Warning: Permanently added '10.128.0.209' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "type"="gce" 1970/01/01 00:00:46 parsed 1 programs [ 46.552722][ T4321] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:46 executed programs: 0 [ 46.622924][ T4335] chnl_net:caif_netlink_parms(): no params data found [ 46.644805][ T4335] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.645973][ T4335] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.647406][ T4335] device bridge_slave_0 entered promiscuous mode [ 46.649246][ T4335] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.650433][ T4335] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.652544][ T4335] device bridge_slave_1 entered promiscuous mode [ 46.659790][ T4335] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.663218][ T4335] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.670672][ T4335] team0: Port device team_slave_0 added [ 46.673299][ T4335] team0: Port device team_slave_1 added [ 46.679698][ T4335] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 46.680910][ T4335] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 46.684979][ T4335] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 46.687150][ T4335] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 46.688203][ T4335] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 46.692094][ T4335] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 46.751877][ T4335] device hsr_slave_0 entered promiscuous mode [ 46.791050][ T4335] device hsr_slave_1 entered promiscuous mode [ 47.407299][ T4335] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.442021][ T4335] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.491984][ T4335] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.522732][ T4335] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.569290][ T4335] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.570482][ T4335] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.571833][ T4335] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.572988][ T4335] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.589336][ T4335] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.593307][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.595036][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.596722][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.598458][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 47.603730][ T4335] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.613953][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.615617][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.617299][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.618514][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.620122][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.622173][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.623677][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.624800][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.626805][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.631231][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.632860][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.634468][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.636055][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.641361][ T4335] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.643074][ T4335] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.645037][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.647441][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.649034][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.650638][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.653971][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.655566][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.657059][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.697231][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.698444][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.707912][ T4335] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.713970][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.715688][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.721776][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.723323][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.725044][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.726379][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.728306][ T4335] device veth0_vlan entered promiscuous mode [ 47.731962][ T4335] device veth1_vlan entered promiscuous mode [ 47.738513][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.740152][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.742864][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.744381][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.746947][ T4335] device veth0_macvtap entered promiscuous mode [ 47.749325][ T4335] device veth1_macvtap entered promiscuous mode [ 47.756294][ T4335] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.757462][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.758762][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.760161][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.762272][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.765344][ T4335] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.767147][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.768596][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.770540][ T4335] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.773285][ T4335] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.774700][ T4335] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.776154][ T4335] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.907370][ T4478] loop0: detected capacity change from 0 to 32768 [ 47.919724][ T4478] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4478) [ 47.940342][ T4478] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.942703][ T4478] BTRFS info (device loop0): using free space tree [ 47.943776][ T4478] BTRFS info (device loop0): has skinny extents [ 47.994129][ T4478] BTRFS info (device loop0): enabling ssd optimizations [ 48.009182][ T4478] FAULT_INJECTION: forcing a failure. [ 48.009182][ T4478] name failslab, interval 1, probability 0, space 0, times 1 [ 48.011576][ T4478] CPU: 0 PID: 4478 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.012768][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.014304][ T4478] Call trace: [ 48.014805][ T4478] dump_backtrace+0x0/0x43c [ 48.015486][ T4478] show_stack+0x2c/0x3c [ 48.016116][ T4478] __dump_stack+0x30/0x40 [ 48.016805][ T4478] dump_stack_lvl+0xf8/0x160 [ 48.017489][ T4478] dump_stack+0x1c/0x5c [ 48.018103][ T4478] should_fail+0x3c0/0x51c [ 48.018702][ T4478] __should_failslab+0xbc/0x10c [ 48.019495][ T4478] should_failslab+0x10/0x28 [ 48.020209][ T4478] slab_pre_alloc_hook+0x64/0xec [ 48.020875][ T4478] kmem_cache_alloc+0x94/0x3e4 [ 48.021612][ T4478] btrfs_alloc_path+0x5c/0x68 [ 48.022305][ T4478] __btrfs_unlink_inode+0x1d8/0xb00 [ 48.023097][ T4478] btrfs_rename2+0x1c18/0x30c0 [ 48.023801][ T4478] vfs_rename+0x954/0xdcc [ 48.024528][ T4478] do_renameat2+0x74c/0xcdc [ 48.025223][ T4478] __arm64_sys_renameat2+0xe0/0xfc [ 48.026032][ T4478] invoke_syscall+0x98/0x2b8 [ 48.026757][ T4478] el0_svc_common+0x138/0x258 [ 48.027475][ T4478] do_el0_svc+0x58/0x14c [ 48.028151][ T4478] el0_svc+0x78/0x1e0 [ 48.028865][ T4478] el0t_64_sync_handler+0xcc/0xe4 [ 48.029651][ T4478] el0t_64_sync+0x1a0/0x1a4 [ 48.033558][ T4478] ------------[ cut here ]------------ [ 48.034603][ T4478] WARNING: CPU: 0 PID: 4478 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 48.036029][ T4478] Modules linked in: [ 48.036590][ T4478] CPU: 0 PID: 4478 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.037773][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.039243][ T4478] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.040458][ T4478] pc : btrfs_rename2+0x26c8/0x30c0 [ 48.041260][ T4478] lr : btrfs_rename2+0x26c8/0x30c0 [ 48.042051][ T4478] sp : ffff80001f377870 [ 48.042699][ T4478] x29: ffff80001f377980 x28: ffff0000deb2cf00 x27: 0000000000000000 [ 48.044002][ T4478] x26: dfff800000000000 x25: ffff0000e21004c0 x24: ffff0000c8a1e000 [ 48.045228][ T4478] x23: ffff0000e2100000 x22: ffff80001420fec0 x21: 1fffe0001bd37c37 [ 48.046499][ T4478] x20: ffff0000de9be1b8 x19: 00000000fffffff4 x18: 0000000000000001 [ 48.047766][ T4478] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 48.048957][ T4478] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 48.050280][ T4478] x11: 0000000000000000 x10: 0000000000000000 x9 : 3cc10af3690d2400 [ 48.051557][ T4478] x8 : 3cc10af3690d2400 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.052846][ T4478] x5 : ffff80001f377158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 48.054115][ T4478] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.055329][ T4478] Call trace: [ 48.055813][ T4478] btrfs_rename2+0x26c8/0x30c0 [ 48.056533][ T4478] vfs_rename+0x954/0xdcc [ 48.057252][ T4478] do_renameat2+0x74c/0xcdc [ 48.057933][ T4478] __arm64_sys_renameat2+0xe0/0xfc [ 48.058721][ T4478] invoke_syscall+0x98/0x2b8 [ 48.059483][ T4478] el0_svc_common+0x138/0x258 [ 48.060219][ T4478] do_el0_svc+0x58/0x14c [ 48.060826][ T4478] el0_svc+0x78/0x1e0 [ 48.061447][ T4478] el0t_64_sync_handler+0xcc/0xe4 [ 48.062237][ T4478] el0t_64_sync+0x1a0/0x1a4 [ 48.062928][ T4478] irq event stamp: 81138 [ 48.063534][ T4478] hardirqs last enabled at (81137): [] __up_console_sem+0xb4/0x100 [ 48.064965][ T4478] hardirqs last disabled at (81138): [] el1_dbg+0x24/0x80 [ 48.066281][ T4478] softirqs last enabled at (81118): [] handle_softirqs+0xa4c/0xbf0 [ 48.067708][ T4478] softirqs last disabled at (81051): [] __irq_exit_rcu+0x240/0x440 [ 48.069113][ T4478] ---[ end trace 6514c980b4cf5743 ]--- [ 48.081660][ T4478] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 48.083101][ T4478] BTRFS info (device loop0): forced readonly [ 48.275435][ T4553] loop0: detected capacity change from 0 to 32768 [ 48.282999][ T4553] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4553) [ 48.289028][ T4553] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.290593][ T4553] BTRFS info (device loop0): using free space tree [ 48.292076][ T4553] BTRFS info (device loop0): has skinny extents [ 48.327803][ T4553] BTRFS info (device loop0): enabling ssd optimizations [ 48.343094][ T4553] FAULT_INJECTION: forcing a failure. [ 48.343094][ T4553] name failslab, interval 1, probability 0, space 0, times 0 [ 48.345173][ T4553] CPU: 0 PID: 4553 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.346556][ T4553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.348066][ T4553] Call trace: [ 48.348538][ T4553] dump_backtrace+0x0/0x43c [ 48.349166][ T4553] show_stack+0x2c/0x3c [ 48.349773][ T4553] __dump_stack+0x30/0x40 [ 48.350458][ T4553] dump_stack_lvl+0xf8/0x160 [ 48.351101][ T4553] dump_stack+0x1c/0x5c [ 48.351713][ T4553] should_fail+0x3c0/0x51c [ 48.352375][ T4553] __should_failslab+0xbc/0x10c [ 48.353102][ T4553] should_failslab+0x10/0x28 [ 48.353803][ T4553] slab_pre_alloc_hook+0x64/0xec [ 48.354554][ T4553] kmem_cache_alloc+0x94/0x3e4 [ 48.355240][ T4553] start_transaction+0x4d0/0x13f0 [ 48.355967][ T4553] btrfs_start_transaction+0x34/0x44 [ 48.356782][ T4553] btrfs_rename2+0x15f8/0x30c0 [ 48.357521][ T4553] vfs_rename+0x954/0xdcc [ 48.358168][ T4553] do_renameat2+0x74c/0xcdc [ 48.358800][ T4553] __arm64_sys_renameat2+0xe0/0xfc [ 48.359525][ T4553] invoke_syscall+0x98/0x2b8 [ 48.360174][ T4553] el0_svc_common+0x138/0x258 [ 48.360828][ T4553] do_el0_svc+0x58/0x14c [ 48.361487][ T4553] el0_svc+0x78/0x1e0 [ 48.362077][ T4553] el0t_64_sync_handler+0xcc/0xe4 [ 48.362804][ T4553] el0t_64_sync+0x1a0/0x1a4 [ 48.573628][ T4608] loop0: detected capacity change from 0 to 32768 [ 48.581292][ T1541] Bluetooth: hci0: command 0x0409 tx timeout [ 48.589205][ T4608] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4608) [ 48.595170][ T4608] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.596627][ T4608] BTRFS info (device loop0): using free space tree [ 48.597553][ T4608] BTRFS info (device loop0): has skinny extents [ 48.654249][ T4608] BTRFS info (device loop0): enabling ssd optimizations [ 48.659916][ T4608] FAULT_INJECTION: forcing a failure. [ 48.659916][ T4608] name failslab, interval 1, probability 0, space 0, times 0 [ 48.664532][ T4608] CPU: 0 PID: 4608 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.665976][ T4608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.667582][ T4608] Call trace: [ 48.668121][ T4608] dump_backtrace+0x0/0x43c [ 48.668856][ T4608] show_stack+0x2c/0x3c [ 48.669505][ T4608] __dump_stack+0x30/0x40 [ 48.670142][ T4608] dump_stack_lvl+0xf8/0x160 [ 48.670870][ T4608] dump_stack+0x1c/0x5c [ 48.671508][ T4608] should_fail+0x3c0/0x51c [ 48.672179][ T4608] __should_failslab+0xbc/0x10c [ 48.672952][ T4608] should_failslab+0x10/0x28 [ 48.673636][ T4608] slab_pre_alloc_hook+0x64/0xec [ 48.674379][ T4608] kmem_cache_alloc+0x94/0x3e4 [ 48.675124][ T4608] btrfs_alloc_path+0x5c/0x68 [ 48.675775][ T4608] btrfs_insert_inode_ref+0xe8/0x9e0 [ 48.676574][ T4608] btrfs_rename2+0x1998/0x30c0 [ 48.677321][ T4608] vfs_rename+0x954/0xdcc [ 48.677957][ T4608] do_renameat2+0x74c/0xcdc [ 48.678620][ T4608] __arm64_sys_renameat2+0xe0/0xfc [ 48.679385][ T4608] invoke_syscall+0x98/0x2b8 [ 48.680177][ T4608] el0_svc_common+0x138/0x258 [ 48.680912][ T4608] do_el0_svc+0x58/0x14c [ 48.681512][ T4608] el0_svc+0x78/0x1e0 [ 48.682076][ T4608] el0t_64_sync_handler+0xcc/0xe4 [ 48.682844][ T4608] el0t_64_sync+0x1a0/0x1a4 [ 48.885993][ T4669] loop0: detected capacity change from 0 to 32768 [ 48.893927][ T4669] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4669) [ 48.907012][ T4669] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.908710][ T4669] BTRFS info (device loop0): using free space tree [ 48.909724][ T4669] BTRFS info (device loop0): has skinny extents [ 48.960278][ T4669] BTRFS info (device loop0): enabling ssd optimizations [ 48.972488][ T4669] FAULT_INJECTION: forcing a failure. [ 48.972488][ T4669] name failslab, interval 1, probability 0, space 0, times 0 [ 48.974633][ T4669] CPU: 1 PID: 4669 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.975924][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.977445][ T4669] Call trace: [ 48.977940][ T4669] dump_backtrace+0x0/0x43c [ 48.978639][ T4669] show_stack+0x2c/0x3c [ 48.979219][ T4669] __dump_stack+0x30/0x40 [ 48.979834][ T4669] dump_stack_lvl+0xf8/0x160 [ 48.980524][ T4669] dump_stack+0x1c/0x5c [ 48.981100][ T4669] should_fail+0x3c0/0x51c [ 48.981773][ T4669] __should_failslab+0xbc/0x10c [ 48.982467][ T4669] should_failslab+0x10/0x28 [ 48.983190][ T4669] slab_pre_alloc_hook+0x64/0xec [ 48.983949][ T4669] kmem_cache_alloc+0x94/0x3e4 [ 48.984658][ T4669] btrfs_alloc_path+0x5c/0x68 [ 48.985375][ T4669] __btrfs_unlink_inode+0x1d8/0xb00 [ 48.986189][ T4669] btrfs_rename2+0x1c18/0x30c0 [ 48.986890][ T4669] vfs_rename+0x954/0xdcc [ 48.987549][ T4669] do_renameat2+0x74c/0xcdc [ 48.988191][ T4669] __arm64_sys_renameat2+0xe0/0xfc [ 48.988954][ T4669] invoke_syscall+0x98/0x2b8 [ 48.989639][ T4669] el0_svc_common+0x138/0x258 [ 48.990366][ T4669] do_el0_svc+0x58/0x14c [ 48.991020][ T4669] el0_svc+0x78/0x1e0 [ 48.991634][ T4669] el0t_64_sync_handler+0xcc/0xe4 [ 48.992372][ T4669] el0t_64_sync+0x1a0/0x1a4 [ 48.994073][ T4669] ------------[ cut here ]------------ [ 48.997021][ T4669] WARNING: CPU: 1 PID: 4669 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 48.998242][ T4669] Modules linked in: [ 48.998790][ T4669] CPU: 1 PID: 4669 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.000079][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.001461][ T4669] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.002550][ T4669] pc : btrfs_rename2+0x26c8/0x30c0 [ 49.003261][ T4669] lr : btrfs_rename2+0x26c8/0x30c0 [ 49.003984][ T4669] sp : ffff80001f497870 [ 49.004575][ T4669] x29: ffff80001f497980 x28: ffff0000deaf54e0 x27: 0000000000000000 [ 49.005722][ T4669] x26: dfff800000000000 x25: ffff0000e2102230 x24: ffff0000d216c000 [ 49.006962][ T4669] x23: ffff0000e2101d70 x22: ffff80001420fec0 x21: 1fffe0001bd3a863 [ 49.008179][ T4669] x20: ffff0000de9d4318 x19: 00000000fffffff4 x18: 0000000000000001 [ 49.009362][ T4669] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 49.010617][ T4669] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 49.011811][ T4669] x11: 0000000000000000 x10: 0000000000000000 x9 : 1b5eb158ef100c00 [ 49.012952][ T4669] x8 : 1b5eb158ef100c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.014110][ T4669] x5 : ffff80001f497158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 49.015308][ T4669] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.016439][ T4669] Call trace: [ 49.016891][ T4669] btrfs_rename2+0x26c8/0x30c0 [ 49.017555][ T4669] vfs_rename+0x954/0xdcc [ 49.018269][ T4669] do_renameat2+0x74c/0xcdc [ 49.019020][ T4669] __arm64_sys_renameat2+0xe0/0xfc [ 49.019811][ T4669] invoke_syscall+0x98/0x2b8 [ 49.020537][ T4669] el0_svc_common+0x138/0x258 [ 49.021245][ T4669] do_el0_svc+0x58/0x14c [ 49.021905][ T4669] el0_svc+0x78/0x1e0 [ 49.022511][ T4669] el0t_64_sync_handler+0xcc/0xe4 [ 49.023303][ T4669] el0t_64_sync+0x1a0/0x1a4 [ 49.024020][ T4669] irq event stamp: 80010 [ 49.024623][ T4669] hardirqs last enabled at (80009): [] __up_console_sem+0xb4/0x100 [ 49.026014][ T4669] hardirqs last disabled at (80010): [] el1_dbg+0x24/0x80 [ 49.027330][ T4669] softirqs last enabled at (79986): [] handle_softirqs+0xa4c/0xbf0 [ 49.028721][ T4669] softirqs last disabled at (79917): [] __irq_exit_rcu+0x240/0x440 [ 49.030111][ T4669] ---[ end trace 6514c980b4cf5744 ]--- [ 49.031896][ T4669] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 49.039079][ T4669] BTRFS info (device loop0): forced readonly [ 49.224802][ T4726] loop0: detected capacity change from 0 to 32768 [ 49.235584][ T4726] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4726) [ 49.246882][ T4726] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.248495][ T4726] BTRFS info (device loop0): using free space tree [ 49.249487][ T4726] BTRFS info (device loop0): has skinny extents [ 49.308355][ T4726] BTRFS info (device loop0): enabling ssd optimizations [ 49.315464][ T4726] FAULT_INJECTION: forcing a failure. [ 49.315464][ T4726] name failslab, interval 1, probability 0, space 0, times 0 [ 49.317756][ T4726] CPU: 0 PID: 4726 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.319185][ T4726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.320715][ T4726] Call trace: [ 49.321210][ T4726] dump_backtrace+0x0/0x43c [ 49.321891][ T4726] show_stack+0x2c/0x3c [ 49.322526][ T4726] __dump_stack+0x30/0x40 [ 49.323217][ T4726] dump_stack_lvl+0xf8/0x160 [ 49.323827][ T4726] dump_stack+0x1c/0x5c [ 49.324409][ T4726] should_fail+0x3c0/0x51c [ 49.325030][ T4726] __should_failslab+0xbc/0x10c [ 49.325717][ T4726] should_failslab+0x10/0x28 [ 49.326372][ T4726] slab_pre_alloc_hook+0x64/0xec [ 49.327072][ T4726] kmem_cache_alloc+0x94/0x3e4 [ 49.327745][ T4726] btrfs_alloc_path+0x5c/0x68 [ 49.328420][ T4726] __btrfs_unlink_inode+0x1d8/0xb00 [ 49.329168][ T4726] btrfs_rename2+0x1c18/0x30c0 [ 49.329844][ T4726] vfs_rename+0x954/0xdcc [ 49.330530][ T4726] do_renameat2+0x74c/0xcdc [ 49.331216][ T4726] __arm64_sys_renameat2+0xe0/0xfc [ 49.331992][ T4726] invoke_syscall+0x98/0x2b8 [ 49.332668][ T4726] el0_svc_common+0x138/0x258 [ 49.333326][ T4726] do_el0_svc+0x58/0x14c [ 49.333947][ T4726] el0_svc+0x78/0x1e0 [ 49.334505][ T4726] el0t_64_sync_handler+0xcc/0xe4 [ 49.335217][ T4726] el0t_64_sync+0x1a0/0x1a4 [ 49.338925][ T4726] ------------[ cut here ]------------ [ 49.339974][ T4726] WARNING: CPU: 0 PID: 4726 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 49.341376][ T4726] Modules linked in: [ 49.341994][ T4726] CPU: 0 PID: 4726 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.343412][ T4726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.344963][ T4726] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.346212][ T4726] pc : btrfs_rename2+0x26c8/0x30c0 [ 49.346974][ T4726] lr : btrfs_rename2+0x26c8/0x30c0 [ 49.347734][ T4726] sp : ffff80001f927870 [ 49.348365][ T4726] x29: ffff80001f927980 x28: ffff0000d8b2a340 x27: 0000000000000000 [ 49.349619][ T4726] x26: dfff800000000000 x25: ffff0000e213e6e0 x24: ffff0000d465c000 [ 49.350901][ T4726] x23: ffff0000e213e220 x22: ffff80001420fec0 x21: 1fffe0001bd37d13 [ 49.352215][ T4726] x20: ffff0000de9be898 x19: 00000000fffffff4 x18: 0000000000000001 [ 49.353420][ T4726] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 49.354687][ T4726] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 49.355987][ T4726] x11: 0000000000000000 x10: 0000000000000000 x9 : e6b15be979816500 [ 49.357302][ T4726] x8 : e6b15be979816500 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.358607][ T4726] x5 : ffff80001f927158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 49.359893][ T4726] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.361154][ T4726] Call trace: [ 49.361623][ T4726] btrfs_rename2+0x26c8/0x30c0 [ 49.362400][ T4726] vfs_rename+0x954/0xdcc [ 49.363024][ T4726] do_renameat2+0x74c/0xcdc [ 49.363707][ T4726] __arm64_sys_renameat2+0xe0/0xfc [ 49.364534][ T4726] invoke_syscall+0x98/0x2b8 [ 49.365223][ T4726] el0_svc_common+0x138/0x258 [ 49.365909][ T4726] do_el0_svc+0x58/0x14c [ 49.366500][ T4726] el0_svc+0x78/0x1e0 [ 49.367104][ T4726] el0t_64_sync_handler+0xcc/0xe4 [ 49.367838][ T4726] el0t_64_sync+0x1a0/0x1a4 [ 49.368518][ T4726] irq event stamp: 80404 [ 49.369184][ T4726] hardirqs last enabled at (80403): [] __up_console_sem+0xb4/0x100 [ 49.370649][ T4726] hardirqs last disabled at (80404): [] el1_dbg+0x24/0x80 [ 49.371871][ T4726] softirqs last enabled at (80380): [] handle_softirqs+0xa4c/0xbf0 [ 49.373189][ T4726] softirqs last disabled at (80299): [] __irq_exit_rcu+0x240/0x440 [ 49.374640][ T4726] ---[ end trace 6514c980b4cf5745 ]--- [ 49.378623][ T4726] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 49.380161][ T4726] BTRFS info (device loop0): forced readonly [ 49.564737][ T4786] loop0: detected capacity change from 0 to 32768 [ 49.573024][ T4786] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4786) [ 49.585891][ T4786] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.587588][ T4786] BTRFS info (device loop0): using free space tree [ 49.588688][ T4786] BTRFS info (device loop0): has skinny extents [ 49.642764][ T4786] BTRFS info (device loop0): enabling ssd optimizations [ 49.647400][ T4786] FAULT_INJECTION: forcing a failure. [ 49.647400][ T4786] name failslab, interval 1, probability 0, space 0, times 0 [ 49.649392][ T4786] CPU: 0 PID: 4786 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.650761][ T4786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.652278][ T4786] Call trace: [ 49.652758][ T4786] dump_backtrace+0x0/0x43c [ 49.653451][ T4786] show_stack+0x2c/0x3c [ 49.654064][ T4786] __dump_stack+0x30/0x40 [ 49.654687][ T4786] dump_stack_lvl+0xf8/0x160 [ 49.655424][ T4786] dump_stack+0x1c/0x5c [ 49.656086][ T4786] should_fail+0x3c0/0x51c [ 49.656834][ T4786] __should_failslab+0xbc/0x10c [ 49.657620][ T4786] should_failslab+0x10/0x28 [ 49.658361][ T4786] slab_pre_alloc_hook+0x64/0xec [ 49.659119][ T4786] kmem_cache_alloc+0x94/0x3e4 [ 49.659822][ T4786] start_transaction+0x4d0/0x13f0 [ 49.660578][ T4786] btrfs_start_transaction+0x34/0x44 [ 49.661398][ T4786] btrfs_rename2+0x15f8/0x30c0 [ 49.662054][ T4786] vfs_rename+0x954/0xdcc [ 49.662631][ T4786] do_renameat2+0x74c/0xcdc [ 49.663250][ T4786] __arm64_sys_renameat2+0xe0/0xfc [ 49.664002][ T4786] invoke_syscall+0x98/0x2b8 [ 49.664711][ T4786] el0_svc_common+0x138/0x258 [ 49.665522][ T4786] do_el0_svc+0x58/0x14c [ 49.666118][ T4786] el0_svc+0x78/0x1e0 [ 49.666741][ T4786] el0t_64_sync_handler+0xcc/0xe4 [ 49.667499][ T4786] el0t_64_sync+0x1a0/0x1a4 [ 49.817781][ T4829] loop0: detected capacity change from 0 to 32768 [ 49.830984][ T4829] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4829) [ 49.836339][ T4829] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.837874][ T4829] BTRFS info (device loop0): using free space tree [ 49.839022][ T4829] BTRFS info (device loop0): has skinny extents [ 49.847510][ T4829] BTRFS info (device loop0): enabling ssd optimizations [ 49.853386][ T4829] FAULT_INJECTION: forcing a failure. [ 49.853386][ T4829] name failslab, interval 1, probability 0, space 0, times 0 [ 49.855438][ T4829] CPU: 1 PID: 4829 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.856771][ T4829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.858310][ T4829] Call trace: [ 49.858819][ T4829] dump_backtrace+0x0/0x43c [ 49.859474][ T4829] show_stack+0x2c/0x3c [ 49.860069][ T4829] __dump_stack+0x30/0x40 [ 49.860699][ T4829] dump_stack_lvl+0xf8/0x160 [ 49.861376][ T4829] dump_stack+0x1c/0x5c [ 49.861977][ T4829] should_fail+0x3c0/0x51c [ 49.862616][ T4829] __should_failslab+0xbc/0x10c [ 49.863341][ T4829] should_failslab+0x10/0x28 [ 49.863998][ T4829] slab_pre_alloc_hook+0x64/0xec [ 49.864699][ T4829] kmem_cache_alloc+0x94/0x3e4 [ 49.865352][ T4829] btrfs_alloc_path+0x5c/0x68 [ 49.866002][ T4829] __btrfs_unlink_inode+0x1d8/0xb00 [ 49.866788][ T4829] btrfs_rename2+0x1c18/0x30c0 [ 49.867506][ T4829] vfs_rename+0x954/0xdcc [ 49.868166][ T4829] do_renameat2+0x74c/0xcdc [ 49.868829][ T4829] __arm64_sys_renameat2+0xe0/0xfc [ 49.869585][ T4829] invoke_syscall+0x98/0x2b8 [ 49.870257][ T4829] el0_svc_common+0x138/0x258 [ 49.870999][ T4829] do_el0_svc+0x58/0x14c [ 49.871619][ T4829] el0_svc+0x78/0x1e0 [ 49.872225][ T4829] el0t_64_sync_handler+0xcc/0xe4 [ 49.872995][ T4829] el0t_64_sync+0x1a0/0x1a4 [ 49.875005][ T4829] ------------[ cut here ]------------ [ 49.876060][ T4829] WARNING: CPU: 1 PID: 4829 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 49.877504][ T4829] Modules linked in: [ 49.878083][ T4829] CPU: 1 PID: 4829 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.879516][ T4829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.881093][ T4829] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.882242][ T4829] pc : btrfs_rename2+0x26c8/0x30c0 [ 49.883079][ T4829] lr : btrfs_rename2+0x26c8/0x30c0 [ 49.883892][ T4829] sp : ffff80001fa77870 [ 49.884551][ T4829] x29: ffff80001fa77980 x28: ffff0000d8b474e0 x27: 0000000000000000 [ 49.885755][ T4829] x26: dfff800000000000 x25: ffff0000e2105340 x24: ffff0000d90de000 [ 49.886894][ T4829] x23: ffff0000e2104e80 x22: ffff80001420fec0 x21: 1fffe0001bd3a8d1 [ 49.888021][ T4829] x20: ffff0000de9d4688 x19: 00000000fffffff4 x18: 0000000000000001 [ 49.889218][ T4829] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 49.890379][ T4829] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 49.891508][ T4829] x11: 0000000000000000 x10: 0000000000000000 x9 : 8928577c18cf0a00 [ 49.892657][ T4829] x8 : 8928577c18cf0a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.893910][ T4829] x5 : ffff80001fa77158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 49.895069][ T4829] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.896266][ T4829] Call trace: [ 49.896693][ T4829] btrfs_rename2+0x26c8/0x30c0 [ 49.897401][ T4829] vfs_rename+0x954/0xdcc [ 49.898034][ T4829] do_renameat2+0x74c/0xcdc [ 49.898711][ T4829] __arm64_sys_renameat2+0xe0/0xfc [ 49.899443][ T4829] invoke_syscall+0x98/0x2b8 [ 49.900130][ T4829] el0_svc_common+0x138/0x258 [ 49.900740][ T4829] do_el0_svc+0x58/0x14c [ 49.901374][ T4829] el0_svc+0x78/0x1e0 [ 49.901936][ T4829] el0t_64_sync_handler+0xcc/0xe4 [ 49.902740][ T4829] el0t_64_sync+0x1a0/0x1a4 [ 49.903422][ T4829] irq event stamp: 80384 [ 49.904051][ T4829] hardirqs last enabled at (80383): [] __up_console_sem+0xb4/0x100 [ 49.905500][ T4829] hardirqs last disabled at (80384): [] el1_dbg+0x24/0x80 [ 49.906854][ T4829] softirqs last enabled at (80364): [] handle_softirqs+0xa4c/0xbf0 [ 49.908238][ T4829] softirqs last disabled at (80293): [] __irq_exit_rcu+0x240/0x440 [ 49.909665][ T4829] ---[ end trace 6514c980b4cf5746 ]--- [ 49.911305][ T4829] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 49.912713][ T4829] BTRFS info (device loop0): forced readonly [ 50.081671][ T4850] loop0: detected capacity change from 0 to 32768 [ 50.085755][ T4850] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4850) [ 50.089417][ T4850] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.091589][ T4850] BTRFS info (device loop0): using free space tree [ 50.092721][ T4850] BTRFS info (device loop0): has skinny extents [ 50.100583][ T4850] BTRFS info (device loop0): enabling ssd optimizations [ 50.107672][ T4850] FAULT_INJECTION: forcing a failure. [ 50.107672][ T4850] name failslab, interval 1, probability 0, space 0, times 0 [ 50.109849][ T4850] CPU: 0 PID: 4850 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.111211][ T4850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.112740][ T4850] Call trace: [ 50.113253][ T4850] dump_backtrace+0x0/0x43c [ 50.113948][ T4850] show_stack+0x2c/0x3c [ 50.114581][ T4850] __dump_stack+0x30/0x40 [ 50.115242][ T4850] dump_stack_lvl+0xf8/0x160 [ 50.115952][ T4850] dump_stack+0x1c/0x5c [ 50.116582][ T4850] should_fail+0x3c0/0x51c [ 50.117240][ T4850] __should_failslab+0xbc/0x10c [ 50.117980][ T4850] should_failslab+0x10/0x28 [ 50.118691][ T4850] slab_pre_alloc_hook+0x64/0xec [ 50.119441][ T4850] kmem_cache_alloc+0x94/0x3e4 [ 50.120180][ T4850] btrfs_alloc_path+0x5c/0x68 [ 50.120906][ T4850] btrfs_insert_inode_ref+0xe8/0x9e0 [ 50.121719][ T4850] btrfs_rename2+0x1998/0x30c0 [ 50.122457][ T4850] vfs_rename+0x954/0xdcc [ 50.123104][ T4850] do_renameat2+0x74c/0xcdc [ 50.123781][ T4850] __arm64_sys_renameat2+0xe0/0xfc [ 50.124546][ T4850] invoke_syscall+0x98/0x2b8 [ 50.125228][ T4850] el0_svc_common+0x138/0x258 [ 50.125922][ T4850] do_el0_svc+0x58/0x14c [ 50.126558][ T4850] el0_svc+0x78/0x1e0 [ 50.127153][ T4850] el0t_64_sync_handler+0xcc/0xe4 [ 50.127915][ T4850] el0t_64_sync+0x1a0/0x1a4 [ 50.349333][ T4871] loop0: detected capacity change from 0 to 32768 [ 50.351833][ T4871] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4871) [ 50.356670][ T4871] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.358167][ T4871] BTRFS info (device loop0): using free space tree [ 50.359165][ T4871] BTRFS info (device loop0): has skinny extents [ 50.374058][ T4871] BTRFS info (device loop0): enabling ssd optimizations [ 50.379365][ T4871] FAULT_INJECTION: forcing a failure. [ 50.379365][ T4871] name failslab, interval 1, probability 0, space 0, times 0 [ 50.382278][ T4871] CPU: 1 PID: 4871 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.383686][ T4871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.385316][ T4871] Call trace: [ 50.385822][ T4871] dump_backtrace+0x0/0x43c [ 50.386459][ T4871] show_stack+0x2c/0x3c [ 50.387119][ T4871] __dump_stack+0x30/0x40 [ 50.387739][ T4871] dump_stack_lvl+0xf8/0x160 [ 50.388416][ T4871] dump_stack+0x1c/0x5c [ 50.389086][ T4871] should_fail+0x3c0/0x51c [ 50.389689][ T4871] __should_failslab+0xbc/0x10c [ 50.390401][ T4871] should_failslab+0x10/0x28 [ 50.391068][ T4871] slab_pre_alloc_hook+0x64/0xec [ 50.391751][ T4871] kmem_cache_alloc+0x94/0x3e4 [ 50.392504][ T4871] btrfs_alloc_path+0x5c/0x68 [ 50.393194][ T4871] btrfs_insert_inode_ref+0xe8/0x9e0 [ 50.393987][ T4871] btrfs_rename2+0x1998/0x30c0 [ 50.394672][ T4871] vfs_rename+0x954/0xdcc [ 50.395292][ T4871] do_renameat2+0x74c/0xcdc [ 50.395960][ T4871] __arm64_sys_renameat2+0xe0/0xfc [ 50.396771][ T4871] invoke_syscall+0x98/0x2b8 [ 50.397503][ T4871] el0_svc_common+0x138/0x258 [ 50.398182][ T4871] do_el0_svc+0x58/0x14c [ 50.398877][ T4871] el0_svc+0x78/0x1e0 [ 50.399477][ T4871] el0t_64_sync_handler+0xcc/0xe4 [ 50.400249][ T4871] el0t_64_sync+0x1a0/0x1a4 [ 50.578430][ T4892] loop0: detected capacity change from 0 to 32768 [ 50.581548][ T4892] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4892) [ 50.585238][ T4892] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.587197][ T4892] BTRFS info (device loop0): using free space tree [ 50.588189][ T4892] BTRFS info (device loop0): has skinny extents [ 50.596135][ T4892] BTRFS info (device loop0): enabling ssd optimizations [ 50.601226][ T4892] FAULT_INJECTION: forcing a failure. [ 50.601226][ T4892] name failslab, interval 1, probability 0, space 0, times 0 [ 50.603258][ T4892] CPU: 0 PID: 4892 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.604671][ T4892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.606193][ T4892] Call trace: [ 50.606653][ T4892] dump_backtrace+0x0/0x43c [ 50.607294][ T4892] show_stack+0x2c/0x3c [ 50.607906][ T4892] __dump_stack+0x30/0x40 [ 50.608533][ T4892] dump_stack_lvl+0xf8/0x160 [ 50.609195][ T4892] dump_stack+0x1c/0x5c [ 50.609783][ T4892] should_fail+0x3c0/0x51c [ 50.610406][ T4892] __should_failslab+0xbc/0x10c [ 50.611257][ T4892] should_failslab+0x10/0x28 [ 50.612007][ T4892] slab_pre_alloc_hook+0x64/0xec [ 50.612779][ T4892] kmem_cache_alloc+0x94/0x3e4 [ 50.613498][ T4892] btrfs_alloc_path+0x5c/0x68 [ 50.614262][ T4892] btrfs_insert_inode_ref+0xe8/0x9e0 [ 50.615071][ T4892] btrfs_rename2+0x1998/0x30c0 [ 50.615734][ T4892] vfs_rename+0x954/0xdcc [ 50.616386][ T4892] do_renameat2+0x74c/0xcdc [ 50.617045][ T4892] __arm64_sys_renameat2+0xe0/0xfc [ 50.617845][ T4892] invoke_syscall+0x98/0x2b8 [ 50.618577][ T4892] el0_svc_common+0x138/0x258 [ 50.619225][ T4892] do_el0_svc+0x58/0x14c [ 50.619866][ T4892] el0_svc+0x78/0x1e0 [ 50.620482][ T4892] el0t_64_sync_handler+0xcc/0xe4 [ 50.621276][ T4892] el0t_64_sync+0x1a0/0x1a4 [ 50.662043][ T4071] Bluetooth: hci0: command 0x041b tx timeout [ 50.805908][ T4917] loop0: detected capacity change from 0 to 32768 [ 50.808342][ T4917] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4917) [ 50.813466][ T4917] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.814951][ T4917] BTRFS info (device loop0): using free space tree [ 50.815909][ T4917] BTRFS info (device loop0): has skinny extents [ 50.830885][ T4917] BTRFS info (device loop0): enabling ssd optimizations [ 50.835765][ T4917] FAULT_INJECTION: forcing a failure. [ 50.835765][ T4917] name failslab, interval 1, probability 0, space 0, times 0 [ 50.837847][ T4917] CPU: 0 PID: 4917 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.839210][ T4917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.840643][ T4917] Call trace: [ 50.841138][ T4917] dump_backtrace+0x0/0x43c [ 50.841867][ T4917] show_stack+0x2c/0x3c [ 50.842499][ T4917] __dump_stack+0x30/0x40 [ 50.843153][ T4917] dump_stack_lvl+0xf8/0x160 [ 50.843871][ T4917] dump_stack+0x1c/0x5c [ 50.844539][ T4917] should_fail+0x3c0/0x51c [ 50.845241][ T4917] __should_failslab+0xbc/0x10c [ 50.846034][ T4917] should_failslab+0x10/0x28 [ 50.846779][ T4917] slab_pre_alloc_hook+0x64/0xec [ 50.847544][ T4917] kmem_cache_alloc+0x94/0x3e4 [ 50.848338][ T4917] btrfs_alloc_path+0x5c/0x68 [ 50.849028][ T4917] __btrfs_unlink_inode+0x1d8/0xb00 [ 50.849807][ T4917] btrfs_rename2+0x1c18/0x30c0 [ 50.850476][ T4917] vfs_rename+0x954/0xdcc [ 50.851118][ T4917] do_renameat2+0x74c/0xcdc [ 50.851709][ T4917] __arm64_sys_renameat2+0xe0/0xfc [ 50.852433][ T4917] invoke_syscall+0x98/0x2b8 [ 50.853139][ T4917] el0_svc_common+0x138/0x258 [ 50.853814][ T4917] do_el0_svc+0x58/0x14c [ 50.854430][ T4917] el0_svc+0x78/0x1e0 [ 50.855012][ T4917] el0t_64_sync_handler+0xcc/0xe4 [ 50.855739][ T4917] el0t_64_sync+0x1a0/0x1a4 [ 50.858481][ T4917] ------------[ cut here ]------------ [ 50.859438][ T4917] WARNING: CPU: 0 PID: 4917 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 50.860765][ T4917] Modules linked in: [ 50.861313][ T4917] CPU: 0 PID: 4917 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.862736][ T4917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.864266][ T4917] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.865408][ T4917] pc : btrfs_rename2+0x26c8/0x30c0 [ 50.866268][ T4917] lr : btrfs_rename2+0x26c8/0x30c0 [ 50.867031][ T4917] sp : ffff80001f907870 [ 50.867695][ T4917] x29: ffff80001f907980 x28: ffff0000e208a4b8 x27: 0000000000000000 [ 50.868989][ T4917] x26: dfff800000000000 x25: ffff0000e2167a80 x24: ffff0000e4956000 [ 50.870265][ T4917] x23: ffff0000e21675c0 x22: ffff80001420fec0 x21: 1fffe0001bd34863 [ 50.871489][ T4917] x20: ffff0000de9a4318 x19: 00000000fffffff4 x18: 0000000000000001 [ 50.872747][ T4917] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 50.874026][ T4917] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 50.875261][ T4917] x11: 0000000000000000 x10: 0000000000000000 x9 : bf8a4cce2c966b00 [ 50.876487][ T4917] x8 : bf8a4cce2c966b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.877784][ T4917] x5 : ffff80001f907158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 50.879063][ T4917] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.880323][ T4917] Call trace: [ 50.880866][ T4917] btrfs_rename2+0x26c8/0x30c0 [ 50.881598][ T4917] vfs_rename+0x954/0xdcc [ 50.882262][ T4917] do_renameat2+0x74c/0xcdc [ 50.882902][ T4917] __arm64_sys_renameat2+0xe0/0xfc [ 50.883673][ T4917] invoke_syscall+0x98/0x2b8 [ 50.884432][ T4917] el0_svc_common+0x138/0x258 [ 50.885181][ T4917] do_el0_svc+0x58/0x14c [ 50.885849][ T4917] el0_svc+0x78/0x1e0 [ 50.886496][ T4917] el0t_64_sync_handler+0xcc/0xe4 [ 50.887268][ T4917] el0t_64_sync+0x1a0/0x1a4 [ 50.887997][ T4917] irq event stamp: 79306 [ 50.888707][ T4917] hardirqs last enabled at (79305): [] __up_console_sem+0xb4/0x100 [ 50.890272][ T4917] hardirqs last disabled at (79306): [] el1_dbg+0x24/0x80 [ 50.891634][ T4917] softirqs last enabled at (79286): [] handle_softirqs+0xa4c/0xbf0 [ 50.893091][ T4917] softirqs last disabled at (79245): [] __irq_exit_rcu+0x240/0x440 [ 50.894585][ T4917] ---[ end trace 6514c980b4cf5747 ]--- [ 50.896087][ T4917] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 50.897461][ T4917] BTRFS info (device loop0): forced readonly [ 51.086680][ T4938] loop0: detected capacity change from 0 to 32768 [ 51.089566][ T4938] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4938) [ 51.093175][ T4938] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.094755][ T4938] BTRFS info (device loop0): using free space tree [ 51.095740][ T4938] BTRFS info (device loop0): has skinny extents [ 51.103842][ T4938] BTRFS info (device loop0): enabling ssd optimizations [ 51.108606][ T4938] FAULT_INJECTION: forcing a failure. [ 51.108606][ T4938] name failslab, interval 1, probability 0, space 0, times 0 [ 51.110516][ T4938] CPU: 0 PID: 4938 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.111886][ T4938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.113320][ T4938] Call trace: [ 51.113803][ T4938] dump_backtrace+0x0/0x43c [ 51.114495][ T4938] show_stack+0x2c/0x3c [ 51.115133][ T4938] __dump_stack+0x30/0x40 [ 51.115831][ T4938] dump_stack_lvl+0xf8/0x160 [ 51.116513][ T4938] dump_stack+0x1c/0x5c [ 51.117121][ T4938] should_fail+0x3c0/0x51c [ 51.117795][ T4938] __should_failslab+0xbc/0x10c [ 51.118547][ T4938] should_failslab+0x10/0x28 [ 51.119204][ T4938] slab_pre_alloc_hook+0x64/0xec [ 51.120003][ T4938] kmem_cache_alloc+0x94/0x3e4 [ 51.120723][ T4938] btrfs_alloc_path+0x5c/0x68 [ 51.121489][ T4938] __btrfs_unlink_inode+0x1d8/0xb00 [ 51.122280][ T4938] btrfs_rename2+0x1c18/0x30c0 [ 51.123022][ T4938] vfs_rename+0x954/0xdcc [ 51.123626][ T4938] do_renameat2+0x74c/0xcdc [ 51.124343][ T4938] __arm64_sys_renameat2+0xe0/0xfc [ 51.125121][ T4938] invoke_syscall+0x98/0x2b8 [ 51.125747][ T4938] el0_svc_common+0x138/0x258 [ 51.126419][ T4938] do_el0_svc+0x58/0x14c [ 51.127088][ T4938] el0_svc+0x78/0x1e0 [ 51.127741][ T4938] el0t_64_sync_handler+0xcc/0xe4 [ 51.128439][ T4938] el0t_64_sync+0x1a0/0x1a4 [ 51.131349][ T4938] ------------[ cut here ]------------ [ 51.132363][ T4938] WARNING: CPU: 0 PID: 4938 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 51.133770][ T4938] Modules linked in: [ 51.134388][ T4938] CPU: 0 PID: 4938 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.135800][ T4938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.137316][ T4938] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.138547][ T4938] pc : btrfs_rename2+0x26c8/0x30c0 [ 51.139326][ T4938] lr : btrfs_rename2+0x26c8/0x30c0 [ 51.140084][ T4938] sp : ffff80001f907870 [ 51.140647][ T4938] x29: ffff80001f907980 x28: ffff0000e2088d88 x27: 0000000000000000 [ 51.141918][ T4938] x26: dfff800000000000 x25: ffff0000e20e2230 x24: ffff0000de1b8000 [ 51.143085][ T4938] x23: ffff0000e20e1d70 x22: ffff80001420fec0 x21: 1fffe0001bd348a5 [ 51.144374][ T4938] x20: ffff0000de9a4528 x19: 00000000fffffff4 x18: 0000000000000001 [ 51.145590][ T4938] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 51.146809][ T4938] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.148150][ T4938] x11: 0000000000000000 x10: 0000000000000000 x9 : f7fed143e79efb00 [ 51.149458][ T4938] x8 : f7fed143e79efb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.150743][ T4938] x5 : ffff80001f907158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 51.152033][ T4938] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.153363][ T4938] Call trace: [ 51.153842][ T4938] btrfs_rename2+0x26c8/0x30c0 [ 51.154617][ T4938] vfs_rename+0x954/0xdcc [ 51.155258][ T4938] do_renameat2+0x74c/0xcdc [ 51.155898][ T4938] __arm64_sys_renameat2+0xe0/0xfc [ 51.156698][ T4938] invoke_syscall+0x98/0x2b8 [ 51.157390][ T4938] el0_svc_common+0x138/0x258 [ 51.158098][ T4938] do_el0_svc+0x58/0x14c [ 51.158778][ T4938] el0_svc+0x78/0x1e0 [ 51.159392][ T4938] el0t_64_sync_handler+0xcc/0xe4 [ 51.160144][ T4938] el0t_64_sync+0x1a0/0x1a4 [ 51.160871][ T4938] irq event stamp: 79480 [ 51.161630][ T4938] hardirqs last enabled at (79479): [] __up_console_sem+0xb4/0x100 [ 51.163169][ T4938] hardirqs last disabled at (79480): [] el1_dbg+0x24/0x80 [ 51.164577][ T4938] softirqs last enabled at (79460): [] handle_softirqs+0xa4c/0xbf0 [ 51.166134][ T4938] softirqs last disabled at (79405): [] __irq_exit_rcu+0x240/0x440 [ 51.167628][ T4938] ---[ end trace 6514c980b4cf5748 ]--- [ 51.169446][ T4938] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 51.170930][ T4938] BTRFS info (device loop0): forced readonly [ 51.342951][ T4959] loop0: detected capacity change from 0 to 32768 [ 51.351216][ T4959] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4959) [ 51.354746][ T4959] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.356239][ T4959] BTRFS info (device loop0): using free space tree [ 51.357214][ T4959] BTRFS info (device loop0): has skinny extents [ 51.364981][ T4959] BTRFS info (device loop0): enabling ssd optimizations [ 51.369449][ T4959] FAULT_INJECTION: forcing a failure. [ 51.369449][ T4959] name failslab, interval 1, probability 0, space 0, times 0 [ 51.372393][ T4959] CPU: 1 PID: 4959 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.373719][ T4959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.375325][ T4959] Call trace: [ 51.375842][ T4959] dump_backtrace+0x0/0x43c [ 51.376523][ T4959] show_stack+0x2c/0x3c [ 51.377209][ T4959] __dump_stack+0x30/0x40 [ 51.377862][ T4959] dump_stack_lvl+0xf8/0x160 [ 51.378569][ T4959] dump_stack+0x1c/0x5c [ 51.379195][ T4959] should_fail+0x3c0/0x51c [ 51.379868][ T4959] __should_failslab+0xbc/0x10c [ 51.380674][ T4959] should_failslab+0x10/0x28 [ 51.381398][ T4959] slab_pre_alloc_hook+0x64/0xec [ 51.382155][ T4959] kmem_cache_alloc+0x94/0x3e4 [ 51.382946][ T4959] btrfs_alloc_path+0x5c/0x68 [ 51.383705][ T4959] btrfs_insert_inode_ref+0xe8/0x9e0 [ 51.384516][ T4959] btrfs_rename2+0x1998/0x30c0 [ 51.385309][ T4959] vfs_rename+0x954/0xdcc [ 51.385973][ T4959] do_renameat2+0x74c/0xcdc [ 51.386638][ T4959] __arm64_sys_renameat2+0xe0/0xfc [ 51.387393][ T4959] invoke_syscall+0x98/0x2b8 [ 51.388103][ T4959] el0_svc_common+0x138/0x258 [ 51.388798][ T4959] do_el0_svc+0x58/0x14c [ 51.389469][ T4959] el0_svc+0x78/0x1e0 [ 51.390059][ T4959] el0t_64_sync_handler+0xcc/0xe4 [ 51.390759][ T4959] el0t_64_sync+0x1a0/0x1a4 [ 51.591123][ T4980] loop0: detected capacity change from 0 to 32768 [ 51.594556][ T4980] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4980) [ 51.598528][ T4980] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.600093][ T4980] BTRFS info (device loop0): using free space tree [ 51.601432][ T4980] BTRFS info (device loop0): has skinny extents [ 51.609239][ T4980] BTRFS info (device loop0): enabling ssd optimizations [ 51.615466][ T4980] FAULT_INJECTION: forcing a failure. [ 51.615466][ T4980] name failslab, interval 1, probability 0, space 0, times 0 [ 51.617691][ T4980] CPU: 1 PID: 4980 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.619055][ T4980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.620555][ T4980] Call trace: [ 51.621075][ T4980] dump_backtrace+0x0/0x43c [ 51.621810][ T4980] show_stack+0x2c/0x3c [ 51.622441][ T4980] __dump_stack+0x30/0x40 [ 51.623048][ T4980] dump_stack_lvl+0xf8/0x160 [ 51.623785][ T4980] dump_stack+0x1c/0x5c [ 51.624386][ T4980] should_fail+0x3c0/0x51c [ 51.625022][ T4980] __should_failslab+0xbc/0x10c [ 51.625803][ T4980] should_failslab+0x10/0x28 [ 51.626483][ T4980] slab_pre_alloc_hook+0x64/0xec [ 51.627179][ T4980] kmem_cache_alloc+0x94/0x3e4 [ 51.627894][ T4980] btrfs_alloc_path+0x5c/0x68 [ 51.628611][ T4980] btrfs_check_dir_item_collision+0x90/0x2d0 [ 51.629544][ T4980] btrfs_rename2+0x14cc/0x30c0 [ 51.630354][ T4980] vfs_rename+0x954/0xdcc [ 51.631045][ T4980] do_renameat2+0x74c/0xcdc [ 51.631760][ T4980] __arm64_sys_renameat2+0xe0/0xfc [ 51.632551][ T4980] invoke_syscall+0x98/0x2b8 [ 51.633291][ T4980] el0_svc_common+0x138/0x258 [ 51.633996][ T4980] do_el0_svc+0x58/0x14c [ 51.634671][ T4980] el0_svc+0x78/0x1e0 [ 51.635301][ T4980] el0t_64_sync_handler+0xcc/0xe4 1970/01/01 00:00:51 executed programs: 14 [ 51.636093][ T4980] el0t_64_sync+0x1a0/0x1a4 [ 51.809970][ T5001] loop0: detected capacity change from 0 to 32768 [ 51.812497][ T5001] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5001) [ 51.815680][ T5001] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.817236][ T5001] BTRFS info (device loop0): using free space tree [ 51.818247][ T5001] BTRFS info (device loop0): has skinny extents [ 51.825679][ T5001] BTRFS info (device loop0): enabling ssd optimizations [ 51.831628][ T5001] FAULT_INJECTION: forcing a failure. [ 51.831628][ T5001] name failslab, interval 1, probability 0, space 0, times 0 [ 51.833643][ T5001] CPU: 0 PID: 5001 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.835048][ T5001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.836529][ T5001] Call trace: [ 51.837074][ T5001] dump_backtrace+0x0/0x43c [ 51.837811][ T5001] show_stack+0x2c/0x3c [ 51.838428][ T5001] __dump_stack+0x30/0x40 [ 51.839095][ T5001] dump_stack_lvl+0xf8/0x160 [ 51.839806][ T5001] dump_stack+0x1c/0x5c [ 51.840465][ T5001] should_fail+0x3c0/0x51c [ 51.841199][ T5001] __should_failslab+0xbc/0x10c [ 51.841892][ T5001] should_failslab+0x10/0x28 [ 51.842575][ T5001] slab_pre_alloc_hook+0x64/0xec [ 51.843283][ T5001] kmem_cache_alloc+0x94/0x3e4 [ 51.844034][ T5001] btrfs_alloc_path+0x5c/0x68 [ 51.844762][ T5001] __btrfs_unlink_inode+0x1d8/0xb00 [ 51.845514][ T5001] btrfs_rename2+0x1c18/0x30c0 [ 51.846198][ T5001] vfs_rename+0x954/0xdcc [ 51.846832][ T5001] do_renameat2+0x74c/0xcdc [ 51.847528][ T5001] __arm64_sys_renameat2+0xe0/0xfc [ 51.848260][ T5001] invoke_syscall+0x98/0x2b8 [ 51.848998][ T5001] el0_svc_common+0x138/0x258 [ 51.849696][ T5001] do_el0_svc+0x58/0x14c [ 51.850442][ T5001] el0_svc+0x78/0x1e0 [ 51.851108][ T5001] el0t_64_sync_handler+0xcc/0xe4 [ 51.851890][ T5001] el0t_64_sync+0x1a0/0x1a4 [ 51.853317][ T5001] ------------[ cut here ]------------ [ 51.854299][ T5001] WARNING: CPU: 0 PID: 5001 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 51.855717][ T5001] Modules linked in: [ 51.856317][ T5001] CPU: 0 PID: 5001 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.857612][ T5001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.859065][ T5001] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.860195][ T5001] pc : btrfs_rename2+0x26c8/0x30c0 [ 51.860948][ T5001] lr : btrfs_rename2+0x26c8/0x30c0 [ 51.861829][ T5001] sp : ffff80001ff97870 [ 51.862497][ T5001] x29: ffff80001ff97980 x28: ffff0000deaf0c10 x27: 0000000000000000 [ 51.863864][ T5001] x26: dfff800000000000 x25: ffff0000e20e4970 x24: ffff0000d9132000 [ 51.865151][ T5001] x23: ffff0000e20e44b0 x22: ffff80001420fec0 x21: 1fffe0001bd34913 [ 51.866377][ T5001] x20: ffff0000de9a4898 x19: 00000000fffffff4 x18: 0000000000000001 [ 51.867649][ T5001] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 51.868884][ T5001] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 51.870114][ T5001] x11: 0000000000000000 x10: 0000000000000000 x9 : c12c26dcb513fc00 [ 51.871288][ T5001] x8 : c12c26dcb513fc00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.872454][ T5001] x5 : ffff80001ff97158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 51.873599][ T5001] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.874863][ T5001] Call trace: [ 51.875349][ T5001] btrfs_rename2+0x26c8/0x30c0 [ 51.876032][ T5001] vfs_rename+0x954/0xdcc [ 51.876674][ T5001] do_renameat2+0x74c/0xcdc [ 51.877383][ T5001] __arm64_sys_renameat2+0xe0/0xfc [ 51.878087][ T5001] invoke_syscall+0x98/0x2b8 [ 51.878849][ T5001] el0_svc_common+0x138/0x258 [ 51.879638][ T5001] do_el0_svc+0x58/0x14c [ 51.880284][ T5001] el0_svc+0x78/0x1e0 [ 51.880940][ T5001] el0t_64_sync_handler+0xcc/0xe4 [ 51.881721][ T5001] el0t_64_sync+0x1a0/0x1a4 [ 51.882447][ T5001] irq event stamp: 79210 [ 51.883074][ T5001] hardirqs last enabled at (79209): [] __up_console_sem+0xb4/0x100 [ 51.884459][ T5001] hardirqs last disabled at (79210): [] el1_dbg+0x24/0x80 [ 51.885716][ T5001] softirqs last enabled at (79190): [] handle_softirqs+0xa4c/0xbf0 [ 51.887133][ T5001] softirqs last disabled at (79179): [] __irq_exit_rcu+0x240/0x440 [ 51.888639][ T5001] ---[ end trace 6514c980b4cf5749 ]--- [ 51.889719][ T5001] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 51.891165][ T5001] BTRFS info (device loop0): forced readonly [ 52.073100][ T5022] loop0: detected capacity change from 0 to 32768 [ 52.076835][ T5022] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5022) [ 52.082124][ T5022] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.083767][ T5022] BTRFS info (device loop0): using free space tree [ 52.084723][ T5022] BTRFS info (device loop0): has skinny extents [ 52.092688][ T5022] BTRFS info (device loop0): enabling ssd optimizations [ 52.097766][ T5022] FAULT_INJECTION: forcing a failure. [ 52.097766][ T5022] name failslab, interval 1, probability 0, space 0, times 0 [ 52.099940][ T5022] CPU: 1 PID: 5022 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.101392][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.102847][ T5022] Call trace: [ 52.103345][ T5022] dump_backtrace+0x0/0x43c [ 52.104003][ T5022] show_stack+0x2c/0x3c [ 52.104619][ T5022] __dump_stack+0x30/0x40 [ 52.105279][ T5022] dump_stack_lvl+0xf8/0x160 [ 52.105989][ T5022] dump_stack+0x1c/0x5c [ 52.106609][ T5022] should_fail+0x3c0/0x51c [ 52.107282][ T5022] __should_failslab+0xbc/0x10c [ 52.108005][ T5022] should_failslab+0x10/0x28 [ 52.108704][ T5022] slab_pre_alloc_hook+0x64/0xec [ 52.109460][ T5022] kmem_cache_alloc+0x94/0x3e4 [ 52.110143][ T5022] btrfs_alloc_path+0x5c/0x68 [ 52.110793][ T5022] __btrfs_unlink_inode+0x1d8/0xb00 [ 52.111560][ T5022] btrfs_rename2+0x1c18/0x30c0 [ 52.112290][ T5022] vfs_rename+0x954/0xdcc [ 52.112904][ T5022] do_renameat2+0x74c/0xcdc [ 52.113638][ T5022] __arm64_sys_renameat2+0xe0/0xfc [ 52.114392][ T5022] invoke_syscall+0x98/0x2b8 [ 52.115046][ T5022] el0_svc_common+0x138/0x258 [ 52.115735][ T5022] do_el0_svc+0x58/0x14c [ 52.116357][ T5022] el0_svc+0x78/0x1e0 [ 52.116970][ T5022] el0t_64_sync_handler+0xcc/0xe4 [ 52.117782][ T5022] el0t_64_sync+0x1a0/0x1a4 [ 52.120103][ T5022] ------------[ cut here ]------------ [ 52.121840][ T5022] WARNING: CPU: 1 PID: 5022 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 52.123197][ T5022] Modules linked in: [ 52.123826][ T5022] CPU: 1 PID: 5022 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.125165][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.126501][ T5022] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.127665][ T5022] pc : btrfs_rename2+0x26c8/0x30c0 [ 52.128417][ T5022] lr : btrfs_rename2+0x26c8/0x30c0 [ 52.129182][ T5022] sp : ffff8000203a7870 [ 52.129799][ T5022] x29: ffff8000203a7980 x28: ffff0000cfde1ac0 x27: 0000000000000000 [ 52.131040][ T5022] x26: dfff800000000000 x25: ffff0000deb1fa80 x24: ffff0000ce152000 [ 52.132252][ T5022] x23: ffff0000deb1f5c0 x22: ffff80001420fec0 x21: 1fffe0001bd3a9ef [ 52.133456][ T5022] x20: ffff0000de9d4f78 x19: 00000000fffffff4 x18: 0000000000000001 [ 52.134647][ T5022] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 52.135826][ T5022] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 52.136975][ T5022] x11: 0000000000000000 x10: 0000000000000000 x9 : 52ad013ca0316200 [ 52.138112][ T5022] x8 : 52ad013ca0316200 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.139307][ T5022] x5 : ffff8000203a7158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 52.140577][ T5022] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.141755][ T5022] Call trace: [ 52.142202][ T5022] btrfs_rename2+0x26c8/0x30c0 [ 52.142910][ T5022] vfs_rename+0x954/0xdcc [ 52.143530][ T5022] do_renameat2+0x74c/0xcdc [ 52.144184][ T5022] __arm64_sys_renameat2+0xe0/0xfc [ 52.144974][ T5022] invoke_syscall+0x98/0x2b8 [ 52.145698][ T5022] el0_svc_common+0x138/0x258 [ 52.146348][ T5022] do_el0_svc+0x58/0x14c [ 52.146953][ T5022] el0_svc+0x78/0x1e0 [ 52.147510][ T5022] el0t_64_sync_handler+0xcc/0xe4 [ 52.148249][ T5022] el0t_64_sync+0x1a0/0x1a4 [ 52.148867][ T5022] irq event stamp: 79664 [ 52.149504][ T5022] hardirqs last enabled at (79663): [] __up_console_sem+0xb4/0x100 [ 52.150872][ T5022] hardirqs last disabled at (79664): [] el1_dbg+0x24/0x80 [ 52.152103][ T5022] softirqs last enabled at (79652): [] handle_softirqs+0xa4c/0xbf0 [ 52.153484][ T5022] softirqs last disabled at (79629): [] __irq_exit_rcu+0x240/0x440 [ 52.154814][ T5022] ---[ end trace 6514c980b4cf574a ]--- [ 52.158159][ T5022] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 52.159646][ T5022] BTRFS info (device loop0): forced readonly [ 52.344230][ T5043] loop0: detected capacity change from 0 to 32768 [ 52.347390][ T5043] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5043) [ 52.357432][ T5043] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.359012][ T5043] BTRFS info (device loop0): using free space tree [ 52.360071][ T5043] BTRFS info (device loop0): has skinny extents [ 52.374062][ T5043] BTRFS info (device loop0): enabling ssd optimizations [ 52.378743][ T5043] FAULT_INJECTION: forcing a failure. [ 52.378743][ T5043] name failslab, interval 1, probability 0, space 0, times 0 [ 52.380757][ T5043] CPU: 1 PID: 5043 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.382164][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.383742][ T5043] Call trace: [ 52.384233][ T5043] dump_backtrace+0x0/0x43c [ 52.384936][ T5043] show_stack+0x2c/0x3c [ 52.385604][ T5043] __dump_stack+0x30/0x40 [ 52.386258][ T5043] dump_stack_lvl+0xf8/0x160 [ 52.386935][ T5043] dump_stack+0x1c/0x5c [ 52.387540][ T5043] should_fail+0x3c0/0x51c [ 52.388252][ T5043] __should_failslab+0xbc/0x10c [ 52.388966][ T5043] should_failslab+0x10/0x28 [ 52.389606][ T5043] slab_pre_alloc_hook+0x64/0xec [ 52.390365][ T5043] kmem_cache_alloc+0x94/0x3e4 [ 52.391083][ T5043] btrfs_alloc_path+0x5c/0x68 [ 52.391792][ T5043] btrfs_check_dir_item_collision+0x90/0x2d0 [ 52.392623][ T5043] btrfs_rename2+0x14cc/0x30c0 [ 52.393324][ T5043] vfs_rename+0x954/0xdcc [ 52.393963][ T5043] do_renameat2+0x74c/0xcdc [ 52.394642][ T5043] __arm64_sys_renameat2+0xe0/0xfc [ 52.395335][ T5043] invoke_syscall+0x98/0x2b8 [ 52.395959][ T5043] el0_svc_common+0x138/0x258 [ 52.396603][ T5043] do_el0_svc+0x58/0x14c [ 52.397259][ T5043] el0_svc+0x78/0x1e0 [ 52.397817][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 52.398518][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 52.577003][ T5064] loop0: detected capacity change from 0 to 32768 [ 52.579627][ T5064] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5064) [ 52.583361][ T5064] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.584905][ T5064] BTRFS info (device loop0): using free space tree [ 52.586043][ T5064] BTRFS info (device loop0): has skinny extents [ 52.597251][ T5064] BTRFS info (device loop0): enabling ssd optimizations [ 52.602227][ T5064] FAULT_INJECTION: forcing a failure. [ 52.602227][ T5064] name failslab, interval 1, probability 0, space 0, times 0 [ 52.604321][ T5064] CPU: 0 PID: 5064 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.605735][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.607386][ T5064] Call trace: [ 52.607958][ T5064] dump_backtrace+0x0/0x43c [ 52.608621][ T5064] show_stack+0x2c/0x3c [ 52.609275][ T5064] __dump_stack+0x30/0x40 [ 52.610012][ T5064] dump_stack_lvl+0xf8/0x160 [ 52.610705][ T5064] dump_stack+0x1c/0x5c [ 52.611308][ T5064] should_fail+0x3c0/0x51c [ 52.612101][ T5064] __should_failslab+0xbc/0x10c [ 52.612820][ T5064] should_failslab+0x10/0x28 [ 52.613574][ T5064] slab_pre_alloc_hook+0x64/0xec [ 52.614348][ T5064] kmem_cache_alloc+0x94/0x3e4 [ 52.615101][ T5064] btrfs_alloc_path+0x5c/0x68 [ 52.615798][ T5064] btrfs_insert_inode_ref+0xe8/0x9e0 [ 52.616547][ T5064] btrfs_rename2+0x1998/0x30c0 [ 52.617306][ T5064] vfs_rename+0x954/0xdcc [ 52.617956][ T5064] do_renameat2+0x74c/0xcdc [ 52.618622][ T5064] __arm64_sys_renameat2+0xe0/0xfc [ 52.619422][ T5064] invoke_syscall+0x98/0x2b8 [ 52.620098][ T5064] el0_svc_common+0x138/0x258 [ 52.620742][ T5064] do_el0_svc+0x58/0x14c [ 52.621389][ T5064] el0_svc+0x78/0x1e0 [ 52.622034][ T5064] el0t_64_sync_handler+0xcc/0xe4 [ 52.622782][ T5064] el0t_64_sync+0x1a0/0x1a4 [ 52.750888][ T4541] Bluetooth: hci0: command 0x040f tx timeout [ 52.818905][ T5085] loop0: detected capacity change from 0 to 32768 [ 52.822402][ T5085] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5085) [ 52.827038][ T5085] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.828761][ T5085] BTRFS info (device loop0): using free space tree [ 52.829899][ T5085] BTRFS info (device loop0): has skinny extents [ 52.842261][ T5085] BTRFS info (device loop0): enabling ssd optimizations [ 52.846744][ T5085] FAULT_INJECTION: forcing a failure. [ 52.846744][ T5085] name failslab, interval 1, probability 0, space 0, times 0 [ 52.848668][ T5085] CPU: 0 PID: 5085 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.849996][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.851535][ T5085] Call trace: [ 52.852046][ T5085] dump_backtrace+0x0/0x43c [ 52.852744][ T5085] show_stack+0x2c/0x3c [ 52.853376][ T5085] __dump_stack+0x30/0x40 [ 52.854065][ T5085] dump_stack_lvl+0xf8/0x160 [ 52.854800][ T5085] dump_stack+0x1c/0x5c [ 52.855443][ T5085] should_fail+0x3c0/0x51c [ 52.856226][ T5085] __should_failslab+0xbc/0x10c [ 52.857088][ T5085] should_failslab+0x10/0x28 [ 52.857838][ T5085] slab_pre_alloc_hook+0x64/0xec [ 52.858588][ T5085] kmem_cache_alloc+0x94/0x3e4 [ 52.859351][ T5085] start_transaction+0x4d0/0x13f0 [ 52.860111][ T5085] btrfs_start_transaction+0x34/0x44 [ 52.860960][ T5085] btrfs_rename2+0x15f8/0x30c0 [ 52.861661][ T5085] vfs_rename+0x954/0xdcc [ 52.862297][ T5085] do_renameat2+0x74c/0xcdc [ 52.862999][ T5085] __arm64_sys_renameat2+0xe0/0xfc [ 52.863771][ T5085] invoke_syscall+0x98/0x2b8 [ 52.864488][ T5085] el0_svc_common+0x138/0x258 [ 52.865212][ T5085] do_el0_svc+0x58/0x14c [ 52.865831][ T5085] el0_svc+0x78/0x1e0 [ 52.866409][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 52.867158][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 53.039731][ T5106] loop0: detected capacity change from 0 to 32768 [ 53.042678][ T5106] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5106) [ 53.045955][ T5106] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.047588][ T5106] BTRFS info (device loop0): using free space tree [ 53.048717][ T5106] BTRFS info (device loop0): has skinny extents [ 53.056917][ T5106] BTRFS info (device loop0): enabling ssd optimizations [ 53.062534][ T5106] FAULT_INJECTION: forcing a failure. [ 53.062534][ T5106] name failslab, interval 1, probability 0, space 0, times 0 [ 53.064747][ T5106] CPU: 0 PID: 5106 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.066213][ T5106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.067785][ T5106] Call trace: [ 53.068272][ T5106] dump_backtrace+0x0/0x43c [ 53.068987][ T5106] show_stack+0x2c/0x3c [ 53.069593][ T5106] __dump_stack+0x30/0x40 [ 53.070205][ T5106] dump_stack_lvl+0xf8/0x160 [ 53.070889][ T5106] dump_stack+0x1c/0x5c [ 53.071524][ T5106] should_fail+0x3c0/0x51c [ 53.072204][ T5106] __should_failslab+0xbc/0x10c [ 53.073041][ T5106] should_failslab+0x10/0x28 [ 53.073792][ T5106] slab_pre_alloc_hook+0x64/0xec [ 53.074501][ T5106] kmem_cache_alloc+0x94/0x3e4 [ 53.075209][ T5106] btrfs_alloc_path+0x5c/0x68 [ 53.075882][ T5106] btrfs_insert_inode_ref+0xe8/0x9e0 [ 53.076674][ T5106] btrfs_rename2+0x1998/0x30c0 [ 53.077385][ T5106] vfs_rename+0x954/0xdcc [ 53.078106][ T5106] do_renameat2+0x74c/0xcdc [ 53.078785][ T5106] __arm64_sys_renameat2+0xe0/0xfc [ 53.079550][ T5106] invoke_syscall+0x98/0x2b8 [ 53.080289][ T5106] el0_svc_common+0x138/0x258 [ 53.081043][ T5106] do_el0_svc+0x58/0x14c [ 53.081743][ T5106] el0_svc+0x78/0x1e0 [ 53.082384][ T5106] el0t_64_sync_handler+0xcc/0xe4 [ 53.083158][ T5106] el0t_64_sync+0x1a0/0x1a4 [ 53.267137][ T5127] loop0: detected capacity change from 0 to 32768 [ 53.269716][ T5127] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5127) [ 53.273488][ T5127] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.275021][ T5127] BTRFS info (device loop0): using free space tree [ 53.276141][ T5127] BTRFS info (device loop0): has skinny extents [ 53.294060][ T5127] BTRFS info (device loop0): enabling ssd optimizations [ 53.298996][ T5127] FAULT_INJECTION: forcing a failure. [ 53.298996][ T5127] name failslab, interval 1, probability 0, space 0, times 0 [ 53.301892][ T5127] CPU: 0 PID: 5127 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.303396][ T5127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.304943][ T5127] Call trace: [ 53.305398][ T5127] dump_backtrace+0x0/0x43c [ 53.306114][ T5127] show_stack+0x2c/0x3c [ 53.306729][ T5127] __dump_stack+0x30/0x40 [ 53.307377][ T5127] dump_stack_lvl+0xf8/0x160 [ 53.308082][ T5127] dump_stack+0x1c/0x5c [ 53.308702][ T5127] should_fail+0x3c0/0x51c [ 53.309409][ T5127] __should_failslab+0xbc/0x10c [ 53.310134][ T5127] should_failslab+0x10/0x28 [ 53.310776][ T5127] slab_pre_alloc_hook+0x64/0xec [ 53.311528][ T5127] kmem_cache_alloc+0x94/0x3e4 [ 53.312289][ T5127] btrfs_alloc_path+0x5c/0x68 [ 53.313030][ T5127] btrfs_insert_inode_ref+0xe8/0x9e0 [ 53.313820][ T5127] btrfs_rename2+0x1998/0x30c0 [ 53.314530][ T5127] vfs_rename+0x954/0xdcc [ 53.315208][ T5127] do_renameat2+0x74c/0xcdc [ 53.315875][ T5127] __arm64_sys_renameat2+0xe0/0xfc [ 53.316620][ T5127] invoke_syscall+0x98/0x2b8 [ 53.317308][ T5127] el0_svc_common+0x138/0x258 [ 53.318068][ T5127] do_el0_svc+0x58/0x14c [ 53.318722][ T5127] el0_svc+0x78/0x1e0 [ 53.319325][ T5127] el0t_64_sync_handler+0xcc/0xe4 [ 53.320021][ T5127] el0t_64_sync+0x1a0/0x1a4 [ 53.499443][ T5148] loop0: detected capacity change from 0 to 32768 [ 53.503545][ T5148] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5148) [ 53.511194][ T5148] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.512700][ T5148] BTRFS info (device loop0): using free space tree [ 53.513662][ T5148] BTRFS info (device loop0): has skinny extents [ 53.533916][ T5148] BTRFS info (device loop0): enabling ssd optimizations [ 53.539091][ T5148] FAULT_INJECTION: forcing a failure. [ 53.539091][ T5148] name failslab, interval 1, probability 0, space 0, times 0 [ 53.542360][ T5148] CPU: 0 PID: 5148 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.543806][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.545365][ T5148] Call trace: [ 53.545904][ T5148] dump_backtrace+0x0/0x43c [ 53.546613][ T5148] show_stack+0x2c/0x3c [ 53.547255][ T5148] __dump_stack+0x30/0x40 [ 53.547957][ T5148] dump_stack_lvl+0xf8/0x160 [ 53.548630][ T5148] dump_stack+0x1c/0x5c [ 53.549237][ T5148] should_fail+0x3c0/0x51c [ 53.549924][ T5148] __should_failslab+0xbc/0x10c [ 53.550662][ T5148] should_failslab+0x10/0x28 [ 53.551368][ T5148] slab_pre_alloc_hook+0x64/0xec [ 53.552131][ T5148] kmem_cache_alloc+0x94/0x3e4 [ 53.552815][ T5148] btrfs_alloc_path+0x5c/0x68 [ 53.553545][ T5148] __btrfs_unlink_inode+0x1d8/0xb00 [ 53.554296][ T5148] btrfs_rename2+0x1c18/0x30c0 [ 53.555027][ T5148] vfs_rename+0x954/0xdcc [ 53.555652][ T5148] do_renameat2+0x74c/0xcdc [ 53.556304][ T5148] __arm64_sys_renameat2+0xe0/0xfc [ 53.557035][ T5148] invoke_syscall+0x98/0x2b8 [ 53.557717][ T5148] el0_svc_common+0x138/0x258 [ 53.558415][ T5148] do_el0_svc+0x58/0x14c [ 53.559027][ T5148] el0_svc+0x78/0x1e0 [ 53.559609][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 53.560417][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 53.562478][ T5148] ------------[ cut here ]------------ [ 53.563432][ T5148] WARNING: CPU: 0 PID: 5148 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 53.564794][ T5148] Modules linked in: [ 53.565410][ T5148] CPU: 0 PID: 5148 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.566864][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.568600][ T5148] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.569893][ T5148] pc : btrfs_rename2+0x26c8/0x30c0 [ 53.570721][ T5148] lr : btrfs_rename2+0x26c8/0x30c0 [ 53.571462][ T5148] sp : ffff800020e97870 [ 53.572130][ T5148] x29: ffff800020e97980 x28: ffff0000c52f71f0 x27: 0000000000000000 [ 53.573543][ T5148] x26: dfff800000000000 x25: ffff0000debe84c0 x24: ffff0000d5bf6000 [ 53.574837][ T5148] x23: ffff0000debe8000 x22: ffff80001420fec0 x21: 1fffe0001bd06221 [ 53.576069][ T5148] x20: ffff0000de831108 x19: 00000000fffffff4 x18: 0000000000000001 [ 53.577287][ T5148] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 53.578566][ T5148] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 53.579923][ T5148] x11: 0000000000000000 x10: 0000000000000000 x9 : aa388072d4671200 [ 53.581216][ T5148] x8 : aa388072d4671200 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.582456][ T5148] x5 : ffff800020e97158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 53.583729][ T5148] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.584989][ T5148] Call trace: [ 53.585508][ T5148] btrfs_rename2+0x26c8/0x30c0 [ 53.586247][ T5148] vfs_rename+0x954/0xdcc [ 53.586932][ T5148] do_renameat2+0x74c/0xcdc [ 53.587580][ T5148] __arm64_sys_renameat2+0xe0/0xfc [ 53.588385][ T5148] invoke_syscall+0x98/0x2b8 [ 53.589107][ T5148] el0_svc_common+0x138/0x258 [ 53.589841][ T5148] do_el0_svc+0x58/0x14c [ 53.590516][ T5148] el0_svc+0x78/0x1e0 [ 53.591122][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 53.591885][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 53.592590][ T5148] irq event stamp: 79746 [ 53.593240][ T5148] hardirqs last enabled at (79745): [] __up_console_sem+0xb4/0x100 [ 53.594732][ T5148] hardirqs last disabled at (79746): [] el1_dbg+0x24/0x80 [ 53.596095][ T5148] softirqs last enabled at (79726): [] handle_softirqs+0xa4c/0xbf0 [ 53.597596][ T5148] softirqs last disabled at (79683): [] __irq_exit_rcu+0x240/0x440 [ 53.598963][ T5148] ---[ end trace 6514c980b4cf574b ]--- [ 53.600779][ T5148] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 53.602253][ T5148] BTRFS info (device loop0): forced readonly [ 53.798440][ T5169] loop0: detected capacity change from 0 to 32768 [ 53.801130][ T5169] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5169) [ 53.805496][ T5169] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.807110][ T5169] BTRFS info (device loop0): using free space tree [ 53.808372][ T5169] BTRFS info (device loop0): has skinny extents [ 53.818614][ T5169] BTRFS info (device loop0): enabling ssd optimizations [ 53.824413][ T5169] FAULT_INJECTION: forcing a failure. [ 53.824413][ T5169] name failslab, interval 1, probability 0, space 0, times 0 [ 53.826618][ T5169] CPU: 0 PID: 5169 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.828054][ T5169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.829570][ T5169] Call trace: [ 53.830132][ T5169] dump_backtrace+0x0/0x43c [ 53.830906][ T5169] show_stack+0x2c/0x3c [ 53.831582][ T5169] __dump_stack+0x30/0x40 [ 53.832222][ T5169] dump_stack_lvl+0xf8/0x160 [ 53.832941][ T5169] dump_stack+0x1c/0x5c [ 53.833568][ T5169] should_fail+0x3c0/0x51c [ 53.834236][ T5169] __should_failslab+0xbc/0x10c [ 53.834994][ T5169] should_failslab+0x10/0x28 [ 53.835689][ T5169] slab_pre_alloc_hook+0x64/0xec [ 53.836437][ T5169] kmem_cache_alloc+0x94/0x3e4 [ 53.837143][ T5169] btrfs_alloc_path+0x5c/0x68 [ 53.837872][ T5169] btrfs_insert_inode_ref+0xe8/0x9e0 [ 53.838690][ T5169] btrfs_rename2+0x1998/0x30c0 [ 53.839347][ T5169] vfs_rename+0x954/0xdcc [ 53.839950][ T5169] do_renameat2+0x74c/0xcdc [ 53.840628][ T5169] __arm64_sys_renameat2+0xe0/0xfc [ 53.841493][ T5169] invoke_syscall+0x98/0x2b8 [ 53.842256][ T5169] el0_svc_common+0x138/0x258 [ 53.843041][ T5169] do_el0_svc+0x58/0x14c [ 53.843714][ T5169] el0_svc+0x78/0x1e0 [ 53.844379][ T5169] el0t_64_sync_handler+0xcc/0xe4 [ 53.845134][ T5169] el0t_64_sync+0x1a0/0x1a4 [ 54.018243][ T5190] loop0: detected capacity change from 0 to 32768 [ 54.021549][ T5190] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5190) [ 54.026689][ T5190] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.028333][ T5190] BTRFS info (device loop0): using free space tree [ 54.029447][ T5190] BTRFS info (device loop0): has skinny extents [ 54.048009][ T5190] BTRFS info (device loop0): enabling ssd optimizations [ 54.053663][ T5190] FAULT_INJECTION: forcing a failure. [ 54.053663][ T5190] name failslab, interval 1, probability 0, space 0, times 0 [ 54.055595][ T5190] CPU: 0 PID: 5190 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.056993][ T5190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.058567][ T5190] Call trace: [ 54.059055][ T5190] dump_backtrace+0x0/0x43c [ 54.059729][ T5190] show_stack+0x2c/0x3c [ 54.060317][ T5190] __dump_stack+0x30/0x40 [ 54.061010][ T5190] dump_stack_lvl+0xf8/0x160 [ 54.061743][ T5190] dump_stack+0x1c/0x5c [ 54.062415][ T5190] should_fail+0x3c0/0x51c [ 54.063152][ T5190] __should_failslab+0xbc/0x10c [ 54.064002][ T5190] should_failslab+0x10/0x28 [ 54.064768][ T5190] slab_pre_alloc_hook+0x64/0xec [ 54.065572][ T5190] kmem_cache_alloc+0x94/0x3e4 [ 54.066351][ T5190] btrfs_alloc_path+0x5c/0x68 [ 54.067094][ T5190] btrfs_insert_inode_ref+0xe8/0x9e0 [ 54.067911][ T5190] btrfs_rename2+0x1998/0x30c0 [ 54.068667][ T5190] vfs_rename+0x954/0xdcc [ 54.069326][ T5190] do_renameat2+0x74c/0xcdc [ 54.070099][ T5190] __arm64_sys_renameat2+0xe0/0xfc [ 54.070883][ T5190] invoke_syscall+0x98/0x2b8 [ 54.071581][ T5190] el0_svc_common+0x138/0x258 [ 54.072318][ T5190] do_el0_svc+0x58/0x14c [ 54.073035][ T5190] el0_svc+0x78/0x1e0 [ 54.073673][ T5190] el0t_64_sync_handler+0xcc/0xe4 [ 54.074481][ T5190] el0t_64_sync+0x1a0/0x1a4 [ 54.248267][ T5211] loop0: detected capacity change from 0 to 32768 [ 54.250795][ T5211] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5211) [ 54.253946][ T5211] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.255580][ T5211] BTRFS info (device loop0): using free space tree [ 54.256729][ T5211] BTRFS info (device loop0): has skinny extents [ 54.265161][ T5211] BTRFS info (device loop0): enabling ssd optimizations [ 54.269721][ T5211] FAULT_INJECTION: forcing a failure. [ 54.269721][ T5211] name failslab, interval 1, probability 0, space 0, times 0 [ 54.272126][ T5211] CPU: 0 PID: 5211 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.273613][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.275238][ T5211] Call trace: [ 54.275745][ T5211] dump_backtrace+0x0/0x43c [ 54.276427][ T5211] show_stack+0x2c/0x3c [ 54.277048][ T5211] __dump_stack+0x30/0x40 [ 54.277725][ T5211] dump_stack_lvl+0xf8/0x160 [ 54.278450][ T5211] dump_stack+0x1c/0x5c [ 54.279092][ T5211] should_fail+0x3c0/0x51c [ 54.279818][ T5211] __should_failslab+0xbc/0x10c [ 54.280577][ T5211] should_failslab+0x10/0x28 [ 54.281263][ T5211] slab_pre_alloc_hook+0x64/0xec [ 54.282006][ T5211] kmem_cache_alloc+0x94/0x3e4 [ 54.282702][ T5211] btrfs_alloc_path+0x5c/0x68 [ 54.283356][ T5211] btrfs_insert_inode_ref+0xe8/0x9e0 [ 54.284099][ T5211] btrfs_rename2+0x1998/0x30c0 [ 54.284795][ T5211] vfs_rename+0x954/0xdcc [ 54.285532][ T5211] do_renameat2+0x74c/0xcdc [ 54.286204][ T5211] __arm64_sys_renameat2+0xe0/0xfc [ 54.287029][ T5211] invoke_syscall+0x98/0x2b8 [ 54.287699][ T5211] el0_svc_common+0x138/0x258 [ 54.288453][ T5211] do_el0_svc+0x58/0x14c [ 54.289019][ T5211] el0_svc+0x78/0x1e0 [ 54.289632][ T5211] el0t_64_sync_handler+0xcc/0xe4 [ 54.290548][ T5211] el0t_64_sync+0x1a0/0x1a4 [ 54.478323][ T5232] loop0: detected capacity change from 0 to 32768 [ 54.482201][ T5232] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5232) [ 54.489660][ T5232] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.492035][ T5232] BTRFS info (device loop0): using free space tree [ 54.493424][ T5232] BTRFS info (device loop0): has skinny extents [ 54.509550][ T5232] BTRFS info (device loop0): enabling ssd optimizations [ 54.515847][ T5232] FAULT_INJECTION: forcing a failure. [ 54.515847][ T5232] name failslab, interval 1, probability 0, space 0, times 0 [ 54.518034][ T5232] CPU: 1 PID: 5232 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.519427][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.521042][ T5232] Call trace: [ 54.521522][ T5232] dump_backtrace+0x0/0x43c [ 54.522187][ T5232] show_stack+0x2c/0x3c [ 54.522779][ T5232] __dump_stack+0x30/0x40 [ 54.523422][ T5232] dump_stack_lvl+0xf8/0x160 [ 54.524095][ T5232] dump_stack+0x1c/0x5c [ 54.524707][ T5232] should_fail+0x3c0/0x51c [ 54.525336][ T5232] __should_failslab+0xbc/0x10c [ 54.526040][ T5232] should_failslab+0x10/0x28 [ 54.526715][ T5232] slab_pre_alloc_hook+0x64/0xec [ 54.527417][ T5232] kmem_cache_alloc+0x94/0x3e4 [ 54.528127][ T5232] btrfs_alloc_path+0x5c/0x68 [ 54.528890][ T5232] __btrfs_unlink_inode+0x1d8/0xb00 [ 54.529749][ T5232] btrfs_rename2+0x1c18/0x30c0 [ 54.530541][ T5232] vfs_rename+0x954/0xdcc [ 54.531205][ T5232] do_renameat2+0x74c/0xcdc [ 54.531939][ T5232] __arm64_sys_renameat2+0xe0/0xfc [ 54.532716][ T5232] invoke_syscall+0x98/0x2b8 [ 54.533414][ T5232] el0_svc_common+0x138/0x258 [ 54.534088][ T5232] do_el0_svc+0x58/0x14c [ 54.534725][ T5232] el0_svc+0x78/0x1e0 [ 54.535265][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 54.536006][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 54.538643][ T5232] ------------[ cut here ]------------ [ 54.539681][ T5232] WARNING: CPU: 1 PID: 5232 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 54.540986][ T5232] Modules linked in: [ 54.541585][ T5232] CPU: 1 PID: 5232 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.543014][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.544541][ T5232] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.545753][ T5232] pc : btrfs_rename2+0x26c8/0x30c0 [ 54.546507][ T5232] lr : btrfs_rename2+0x26c8/0x30c0 [ 54.547234][ T5232] sp : ffff8000212f7870 [ 54.547841][ T5232] x29: ffff8000212f7980 x28: ffff0000deb28920 x27: 0000000000000000 [ 54.549074][ T5232] x26: dfff800000000000 x25: ffff0000e213e6e0 x24: ffff0000d629c000 [ 54.550313][ T5232] x23: ffff0000e213e220 x22: ffff80001420fec0 x21: 1fffe000180ce8bb [ 54.551512][ T5232] x20: ffff0000c06745d8 x19: 00000000fffffff4 x18: 0000000000000001 [ 54.552641][ T5232] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 54.553863][ T5232] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.555051][ T5232] x11: 0000000000000000 x10: 0000000000000000 x9 : 010af2ff347c8a00 [ 54.556296][ T5232] x8 : 010af2ff347c8a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.557524][ T5232] x5 : ffff8000212f7158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 54.558702][ T5232] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.559867][ T5232] Call trace: [ 54.560362][ T5232] btrfs_rename2+0x26c8/0x30c0 [ 54.561133][ T5232] vfs_rename+0x954/0xdcc [ 54.561884][ T5232] do_renameat2+0x74c/0xcdc [ 54.562656][ T5232] __arm64_sys_renameat2+0xe0/0xfc [ 54.563530][ T5232] invoke_syscall+0x98/0x2b8 [ 54.564245][ T5232] el0_svc_common+0x138/0x258 [ 54.564933][ T5232] do_el0_svc+0x58/0x14c [ 54.565631][ T5232] el0_svc+0x78/0x1e0 [ 54.566268][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 54.567040][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 54.567750][ T5232] irq event stamp: 79786 [ 54.568347][ T5232] hardirqs last enabled at (79785): [] __up_console_sem+0xb4/0x100 [ 54.569857][ T5232] hardirqs last disabled at (79786): [] el1_dbg+0x24/0x80 [ 54.571189][ T5232] softirqs last enabled at (79766): [] handle_softirqs+0xa4c/0xbf0 [ 54.572625][ T5232] softirqs last disabled at (79725): [] __irq_exit_rcu+0x240/0x440 [ 54.574022][ T5232] ---[ end trace 6514c980b4cf574c ]--- [ 54.575726][ T5232] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 54.577165][ T5232] BTRFS info (device loop0): forced readonly [ 54.746281][ T5253] loop0: detected capacity change from 0 to 32768 [ 54.748729][ T5253] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5253) [ 54.752137][ T5253] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.753747][ T5253] BTRFS info (device loop0): using free space tree [ 54.754864][ T5253] BTRFS info (device loop0): has skinny extents [ 54.765139][ T5253] BTRFS info (device loop0): enabling ssd optimizations [ 54.772003][ T5253] FAULT_INJECTION: forcing a failure. [ 54.772003][ T5253] name failslab, interval 1, probability 0, space 0, times 0 [ 54.774095][ T5253] CPU: 1 PID: 5253 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.775478][ T5253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.777047][ T5253] Call trace: [ 54.777569][ T5253] dump_backtrace+0x0/0x43c [ 54.778216][ T5253] show_stack+0x2c/0x3c [ 54.778894][ T5253] __dump_stack+0x30/0x40 [ 54.779512][ T5253] dump_stack_lvl+0xf8/0x160 [ 54.780165][ T5253] dump_stack+0x1c/0x5c [ 54.780760][ T5253] should_fail+0x3c0/0x51c [ 54.781448][ T5253] __should_failslab+0xbc/0x10c [ 54.782196][ T5253] should_failslab+0x10/0x28 [ 54.782937][ T5253] slab_pre_alloc_hook+0x64/0xec [ 54.783741][ T5253] kmem_cache_alloc+0x94/0x3e4 [ 54.784490][ T5253] btrfs_alloc_path+0x5c/0x68 [ 54.785210][ T5253] __btrfs_unlink_inode+0x1d8/0xb00 [ 54.786036][ T5253] btrfs_rename2+0x1c18/0x30c0 [ 54.786731][ T5253] vfs_rename+0x954/0xdcc [ 54.787360][ T5253] do_renameat2+0x74c/0xcdc [ 54.788041][ T5253] __arm64_sys_renameat2+0xe0/0xfc [ 54.788750][ T5253] invoke_syscall+0x98/0x2b8 [ 54.789391][ T5253] el0_svc_common+0x138/0x258 [ 54.790069][ T5253] do_el0_svc+0x58/0x14c [ 54.790689][ T5253] el0_svc+0x78/0x1e0 [ 54.791248][ T5253] el0t_64_sync_handler+0xcc/0xe4 [ 54.792087][ T5253] el0t_64_sync+0x1a0/0x1a4 [ 54.793715][ T5253] ------------[ cut here ]------------ [ 54.794753][ T5253] WARNING: CPU: 1 PID: 5253 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 54.796185][ T5253] Modules linked in: [ 54.796797][ T5253] CPU: 1 PID: 5253 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.798244][ T5253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.799815][ T5253] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.801022][ T5253] pc : btrfs_rename2+0x26c8/0x30c0 [ 54.801773][ T5253] lr : btrfs_rename2+0x26c8/0x30c0 [ 54.802534][ T5253] sp : ffff8000210b7870 [ 54.803203][ T5253] x29: ffff8000210b7980 x28: ffff0000deb3f368 x27: 0000000000000000 [ 54.804468][ T5253] x26: dfff800000000000 x25: ffff0000e21604c0 x24: ffff0000d9e60000 [ 54.805745][ T5253] x23: ffff0000e2160000 x22: ffff80001420fec0 x21: 1fffe000180ce8fd [ 54.807082][ T5253] x20: ffff0000c06747e8 x19: 00000000fffffff4 x18: 0000000000000001 [ 54.808468][ T5253] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 54.809773][ T5253] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 54.811003][ T5253] x11: 0000000000000000 x10: 0000000000000000 x9 : 4cfe6c9b86f2b400 [ 54.812223][ T5253] x8 : 4cfe6c9b86f2b400 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.813429][ T5253] x5 : ffff8000210b7158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 54.814665][ T5253] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.815883][ T5253] Call trace: [ 54.816409][ T5253] btrfs_rename2+0x26c8/0x30c0 [ 54.817138][ T5253] vfs_rename+0x954/0xdcc [ 54.817796][ T5253] do_renameat2+0x74c/0xcdc [ 54.818517][ T5253] __arm64_sys_renameat2+0xe0/0xfc [ 54.819261][ T5253] invoke_syscall+0x98/0x2b8 [ 54.819944][ T5253] el0_svc_common+0x138/0x258 [ 54.820676][ T5253] do_el0_svc+0x58/0x14c [ 54.821319][ T5253] el0_svc+0x78/0x1e0 [ 54.821907][ T5253] el0t_64_sync_handler+0xcc/0xe4 [ 54.822689][ T5253] el0t_64_sync+0x1a0/0x1a4 [ 54.823383][ T5253] irq event stamp: 79098 [ 54.824026][ T5253] hardirqs last enabled at (79097): [] __up_console_sem+0xb4/0x100 [ 54.825481][ T5253] hardirqs last disabled at (79098): [] el1_dbg+0x24/0x80 [ 54.826760][ T5253] softirqs last enabled at (79078): [] handle_softirqs+0xa4c/0xbf0 [ 54.828213][ T5253] softirqs last disabled at (79031): [] __irq_exit_rcu+0x240/0x440 [ 54.829579][ T5253] ---[ end trace 6514c980b4cf574d ]--- [ 54.831403][ T4072] Bluetooth: hci0: command 0x0419 tx timeout [ 54.832326][ T5253] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 54.833761][ T5253] BTRFS info (device loop0): forced readonly [ 55.035216][ T5274] loop0: detected capacity change from 0 to 32768 [ 55.042434][ T5274] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5274) [ 55.045695][ T5274] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.047122][ T5274] BTRFS info (device loop0): using free space tree [ 55.048117][ T5274] BTRFS info (device loop0): has skinny extents [ 55.059693][ T5274] BTRFS info (device loop0): enabling ssd optimizations [ 55.065147][ T5274] FAULT_INJECTION: forcing a failure. [ 55.065147][ T5274] name failslab, interval 1, probability 0, space 0, times 0 [ 55.067105][ T5274] CPU: 0 PID: 5274 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.068490][ T5274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.070022][ T5274] Call trace: [ 55.070519][ T5274] dump_backtrace+0x0/0x43c [ 55.071219][ T5274] show_stack+0x2c/0x3c [ 55.071940][ T5274] __dump_stack+0x30/0x40 [ 55.072641][ T5274] dump_stack_lvl+0xf8/0x160 [ 55.073385][ T5274] dump_stack+0x1c/0x5c [ 55.074005][ T5274] should_fail+0x3c0/0x51c [ 55.074711][ T5274] __should_failslab+0xbc/0x10c [ 55.075470][ T5274] should_failslab+0x10/0x28 [ 55.076187][ T5274] slab_pre_alloc_hook+0x64/0xec [ 55.076984][ T5274] kmem_cache_alloc+0x94/0x3e4 [ 55.077704][ T5274] btrfs_alloc_path+0x5c/0x68 [ 55.078442][ T5274] __btrfs_unlink_inode+0x1d8/0xb00 [ 55.079259][ T5274] btrfs_rename2+0x1c18/0x30c0 [ 55.080011][ T5274] vfs_rename+0x954/0xdcc [ 55.080689][ T5274] do_renameat2+0x74c/0xcdc [ 55.081342][ T5274] __arm64_sys_renameat2+0xe0/0xfc [ 55.082080][ T5274] invoke_syscall+0x98/0x2b8 [ 55.082787][ T5274] el0_svc_common+0x138/0x258 [ 55.083454][ T5274] do_el0_svc+0x58/0x14c [ 55.084114][ T5274] el0_svc+0x78/0x1e0 [ 55.084704][ T5274] el0t_64_sync_handler+0xcc/0xe4 [ 55.085439][ T5274] el0t_64_sync+0x1a0/0x1a4 [ 55.087457][ T5274] ------------[ cut here ]------------ [ 55.088335][ T5274] WARNING: CPU: 0 PID: 5274 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 55.089557][ T5274] Modules linked in: [ 55.090109][ T5274] CPU: 0 PID: 5274 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.091620][ T5274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.093232][ T5274] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.094438][ T5274] pc : btrfs_rename2+0x26c8/0x30c0 [ 55.095201][ T5274] lr : btrfs_rename2+0x26c8/0x30c0 [ 55.095968][ T5274] sp : ffff800021517870 [ 55.096566][ T5274] x29: ffff800021517980 x28: ffff0000deb35ac0 x27: 0000000000000000 [ 55.097741][ T5274] x26: dfff800000000000 x25: ffff0000deb20e90 x24: ffff0000e4764000 [ 55.098866][ T5274] x23: ffff0000deb209d0 x22: ffff80001420fec0 x21: 1fffe0001bd06381 [ 55.100076][ T5274] x20: ffff0000de831c08 x19: 00000000fffffff4 x18: 0000000000000001 [ 55.101245][ T5274] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 55.102401][ T5274] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.103584][ T5274] x11: 0000000000000000 x10: 0000000000000000 x9 : fef8103821214100 [ 55.104754][ T5274] x8 : fef8103821214100 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.105924][ T5274] x5 : ffff800021517158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 55.107209][ T5274] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.108422][ T5274] Call trace: [ 55.108917][ T5274] btrfs_rename2+0x26c8/0x30c0 [ 55.109639][ T5274] vfs_rename+0x954/0xdcc [ 55.110298][ T5274] do_renameat2+0x74c/0xcdc [ 55.110984][ T5274] __arm64_sys_renameat2+0xe0/0xfc [ 55.111733][ T5274] invoke_syscall+0x98/0x2b8 [ 55.112410][ T5274] el0_svc_common+0x138/0x258 [ 55.113083][ T5274] do_el0_svc+0x58/0x14c [ 55.113700][ T5274] el0_svc+0x78/0x1e0 [ 55.114255][ T5274] el0t_64_sync_handler+0xcc/0xe4 [ 55.114956][ T5274] el0t_64_sync+0x1a0/0x1a4 [ 55.115605][ T5274] irq event stamp: 79460 [ 55.116190][ T5274] hardirqs last enabled at (79459): [] __up_console_sem+0xb4/0x100 [ 55.117519][ T5274] hardirqs last disabled at (79460): [] el1_dbg+0x24/0x80 [ 55.118730][ T5274] softirqs last enabled at (79440): [] handle_softirqs+0xa4c/0xbf0 [ 55.120070][ T5274] softirqs last disabled at (79359): [] __irq_exit_rcu+0x240/0x440 [ 55.121430][ T5274] ---[ end trace 6514c980b4cf574e ]--- [ 55.122932][ T5274] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 55.124228][ T5274] BTRFS info (device loop0): forced readonly [ 55.291681][ T5295] loop0: detected capacity change from 0 to 32768 [ 55.294256][ T5295] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5295) [ 55.297490][ T5295] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.299066][ T5295] BTRFS info (device loop0): using free space tree [ 55.300073][ T5295] BTRFS info (device loop0): has skinny extents [ 55.310204][ T5295] BTRFS info (device loop0): enabling ssd optimizations [ 55.315364][ T5295] FAULT_INJECTION: forcing a failure. [ 55.315364][ T5295] name failslab, interval 1, probability 0, space 0, times 0 [ 55.317400][ T5295] CPU: 1 PID: 5295 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.318803][ T5295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.320344][ T5295] Call trace: [ 55.320824][ T5295] dump_backtrace+0x0/0x43c [ 55.321519][ T5295] show_stack+0x2c/0x3c [ 55.322128][ T5295] __dump_stack+0x30/0x40 [ 55.322782][ T5295] dump_stack_lvl+0xf8/0x160 [ 55.323445][ T5295] dump_stack+0x1c/0x5c [ 55.324051][ T5295] should_fail+0x3c0/0x51c [ 55.324704][ T5295] __should_failslab+0xbc/0x10c [ 55.325422][ T5295] should_failslab+0x10/0x28 [ 55.326102][ T5295] slab_pre_alloc_hook+0x64/0xec [ 55.326819][ T5295] kmem_cache_alloc+0x94/0x3e4 [ 55.327555][ T5295] btrfs_alloc_path+0x5c/0x68 [ 55.328212][ T5295] __btrfs_unlink_inode+0x1d8/0xb00 [ 55.328912][ T5295] btrfs_rename2+0x1c18/0x30c0 [ 55.329656][ T5295] vfs_rename+0x954/0xdcc [ 55.330228][ T5295] do_renameat2+0x74c/0xcdc [ 55.330892][ T5295] __arm64_sys_renameat2+0xe0/0xfc [ 55.331597][ T5295] invoke_syscall+0x98/0x2b8 [ 55.332310][ T5295] el0_svc_common+0x138/0x258 [ 55.332933][ T5295] do_el0_svc+0x58/0x14c [ 55.333501][ T5295] el0_svc+0x78/0x1e0 [ 55.334056][ T5295] el0t_64_sync_handler+0xcc/0xe4 [ 55.334766][ T5295] el0t_64_sync+0x1a0/0x1a4 [ 55.335615][ T5295] ------------[ cut here ]------------ [ 55.336585][ T5295] WARNING: CPU: 1 PID: 5295 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 55.338084][ T5295] Modules linked in: [ 55.338689][ T5295] CPU: 1 PID: 5295 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.340156][ T5295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.341726][ T5295] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.342913][ T5295] pc : btrfs_rename2+0x26c8/0x30c0 [ 55.343685][ T5295] lr : btrfs_rename2+0x26c8/0x30c0 [ 55.344521][ T5295] sp : ffff8000210b7870 [ 55.345153][ T5295] x29: ffff8000210b7980 x28: ffff0000dccdf1f0 x27: 0000000000000000 [ 55.346410][ T5295] x26: dfff800000000000 x25: ffff0000e2164970 x24: ffff0000c1ce0000 [ 55.347721][ T5295] x23: ffff0000e21644b0 x22: ffff80001420fec0 x21: 1fffe000180ce93f [ 55.348995][ T5295] x20: ffff0000c06749f8 x19: 00000000fffffff4 x18: 0000000000000001 [ 55.350253][ T5295] x17: 0000000000000000 x16: ffff800008302164 x15: 00000000ffffffff [ 55.351522][ T5295] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.352774][ T5295] x11: 0000000000000000 x10: 0000000000000000 x9 : e78c2a4dee450300 [ 55.354030][ T5295] x8 : e78c2a4dee450300 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.355288][ T5295] x5 : ffff8000210b7158 x4 : ffff80001426f5a0 x3 : ffff800008302274 [ 55.356486][ T5295] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.357735][ T5295] Call trace: [ 55.358198][ T5295] btrfs_rename2+0x26c8/0x30c0 [ 55.358869][ T5295] vfs_rename+0x954/0xdcc [ 55.359512][ T5295] do_renameat2+0x74c/0xcdc [ 55.360193][ T5295] __arm64_sys_renameat2+0xe0/0xfc [ 55.360988][ T5295] invoke_syscall+0x98/0x2b8 [ 55.361640][ T5295] el0_svc_common+0x138/0x258 [ 55.362362][ T5295] do_el0_svc+0x58/0x14c [ 55.362988][ T5295] el0_svc+0x78/0x1e0 [ 55.363576][ T5295] el0t_64_sync_handler+0xcc/0xe4 [ 55.364385][ T5295] el0t_64_sync+0x1a0/0x1a4 [ 55.365077][ T5295] irq event stamp: 78822 [ 55.365667][ T5295] hardirqs last enabled at (78821): [] __up_console_sem+0xb4/0x100 [ 55.367085][ T5295] hardirqs last disabled at (78822): [] el1_dbg+0x24/0x80 [ 55.368377][ T5295] softirqs last enabled at (78802): [] handle_softirqs+0xa4c/0xbf0 [ 55.369756][ T5295] softirqs last disabled at (78789): [] __irq_exit_rcu+0x240/0x440 [ 55.371169][ T5295] ---[ end trace 6514c980b4cf574f ]--- [ 55.372272][ T5295] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 55.373788][ T5295] BTRFS info (device loop0): forced readonly [ 55.561655][ T5316] loop0: detected capacity change from 0 to 32768 [ 55.564155][ T5316] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5316) [ 55.568469][ T5316] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.570117][ T5316] BTRFS info (device loop0): using free space tree [ 55.571656][ T5316] BTRFS info (device loop0): has skinny extents [ 55.579682][ T5316] BTRFS info (device loop0): enabling ssd optimizations [ 55.585264][ T5316] FAULT_INJECTION: forcing a failure. [ 55.585264][ T5316] name failslab, interval 1, probability 0, space 0, times 0 [ 55.587367][ T5316] CPU: 0 PID: 5316 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.588773][ T5316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.590401][ T5316] Call trace: [ 55.590919][ T5316] dump_backtrace+0x0/0x43c [ 55.591623][ T5316] show_stack+0x2c/0x3c [ 55.592267][ T5316] __dump_stack+0x30/0x40 [ 55.592943][ T5316] dump_stack_lvl+0xf8/0x160 [ 55.593669][ T5316] dump_stack+0x1c/0x5c [ 55.594312][ T5316] should_fail+0x3c0/0x51c [ 55.595024][ T5316] __should_failslab+0xbc/0x10c [ 55.595785][ T5316] should_failslab+0x10/0x28 [ 55.596478][ T5316] slab_pre_alloc_hook+0x64/0xec [ 55.597213][ T5316] kmem_cache_alloc+0x94/0x3e4 [ 55.597948][ T5316] btrfs_alloc_path+0x5c/0x68 [ 55.598632][ T5316] __btrfs_unlink_inode+0x1d8/0xb00 [ 55.599524][ T5316] btrfs_rename2+0x1c18/0x30c0 [ 55.600304][ T5316] vfs_rename+0x954/0xdcc [ 55.601002][ T5316] do_renameat2+0x74c/0xcdc [ 55.601757][ T5316] __arm64_sys_renameat2+0xe0/0xfc [ 55.602532][ T5316] invoke_syscall+0x98/0x2b8 [ 55.603223][ T5316] el0_svc_common+0x138/0x258 [ 55.603938][ T5316] do_el0_svc+0x58/0x14c [ 55.604558][ T5316] el0_svc+0x78/0x1e0 [ 55.605187][ T5316] el0t_64_sync_handler+0xcc/0xe4 [ 55.606002][ T5316] el0t_64_sync+0x1a0/0x1a4 [ 55.608176][ T5316] ------------[ cut here ]------------ [ 55.609149][ T5316] WARNING: CPU: 0 PID: 5316 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 55.610571][ T5316] Modules linked in: [ 55.611168][ T5316] CPU: 0 PID: 5316 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.612648][ T5316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.614261][ T5316] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.615516][ T5316] pc : btrfs_rename2+0x26c8/0x30c0 [ 55.616273][ T5316] lr : btrfs_rename2+0x26c8/0x30c0 [ 55.617057][ T5316] sp : ffff800020b67870 [ 55.617734][ T5316] x29: ffff800020b67980 x28: ffff0000dcd14920 x27: 0000000000000000 [ 55.618990][ T5316] x26: dfff800000000000 x25: ffff0000deb235d0 x24: ffff0000da71c000 [ 55.620372][ T5316] x23: ffff0000deb23110 x22: ffff80001420fec0 x21: 1fffe0001bd063c3 [ 55.621757][ T5316] x20: ffff0000de831e18 x19: 00000000fffffff4 x18: 0000000000000001 [ 55.623092][ T5316] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 55.624434][ T5316] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.625783][ T5316] x11: 0000000000000000 x10: 0000000000000000 x9 : 286914afaf8a6100 [ 55.627114][ T5316] x8 : 286914afaf8a6100 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.628448][ T5316] x5 : ffff800020b67158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 55.629754][ T5316] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.631025][ T5316] Call trace: [ 55.631550][ T5316] btrfs_rename2+0x26c8/0x30c0 [ 55.632327][ T5316] vfs_rename+0x954/0xdcc [ 55.633033][ T5316] do_renameat2+0x74c/0xcdc [ 55.633749][ T5316] __arm64_sys_renameat2+0xe0/0xfc [ 55.634547][ T5316] invoke_syscall+0x98/0x2b8 [ 55.635285][ T5316] el0_svc_common+0x138/0x258 [ 55.636001][ T5316] do_el0_svc+0x58/0x14c [ 55.636710][ T5316] el0_svc+0x78/0x1e0 [ 55.637383][ T5316] el0t_64_sync_handler+0xcc/0xe4 [ 55.638153][ T5316] el0t_64_sync+0x1a0/0x1a4 [ 55.638856][ T5316] irq event stamp: 79124 [ 55.639531][ T5316] hardirqs last enabled at (79123): [] __up_console_sem+0xb4/0x100 [ 55.640974][ T5316] hardirqs last disabled at (79124): [] el1_dbg+0x24/0x80 [ 55.642347][ T5316] softirqs last enabled at (79104): [] handle_softirqs+0xa4c/0xbf0 [ 55.643763][ T5316] softirqs last disabled at (79093): [] __irq_exit_rcu+0x240/0x440 [ 55.645260][ T5316] ---[ end trace 6514c980b4cf5750 ]--- [ 55.647826][ T5316] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 55.649210][ T5316] BTRFS info (device loop0): forced readonly [ 55.827760][ T5337] loop0: detected capacity change from 0 to 32768 [ 55.830133][ T5337] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5337) [ 55.834368][ T5337] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.836229][ T5337] BTRFS info (device loop0): using free space tree [ 55.837358][ T5337] BTRFS info (device loop0): has skinny extents [ 55.849378][ T5337] BTRFS info (device loop0): enabling ssd optimizations [ 55.854991][ T5337] FAULT_INJECTION: forcing a failure. [ 55.854991][ T5337] name failslab, interval 1, probability 0, space 0, times 0 [ 55.857074][ T5337] CPU: 0 PID: 5337 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.858379][ T5337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.859848][ T5337] Call trace: [ 55.860333][ T5337] dump_backtrace+0x0/0x43c [ 55.861014][ T5337] show_stack+0x2c/0x3c [ 55.861635][ T5337] __dump_stack+0x30/0x40 [ 55.862340][ T5337] dump_stack_lvl+0xf8/0x160 [ 55.862962][ T5337] dump_stack+0x1c/0x5c [ 55.863543][ T5337] should_fail+0x3c0/0x51c [ 55.864185][ T5337] __should_failslab+0xbc/0x10c [ 55.864869][ T5337] should_failslab+0x10/0x28 [ 55.865493][ T5337] slab_pre_alloc_hook+0x64/0xec [ 55.866175][ T5337] kmem_cache_alloc+0x94/0x3e4 [ 55.866876][ T5337] btrfs_alloc_path+0x5c/0x68 [ 55.867516][ T5337] __btrfs_unlink_inode+0x1d8/0xb00 [ 55.868242][ T5337] btrfs_rename2+0x1c18/0x30c0 [ 55.868892][ T5337] vfs_rename+0x954/0xdcc [ 55.869487][ T5337] do_renameat2+0x74c/0xcdc [ 55.870118][ T5337] __arm64_sys_renameat2+0xe0/0xfc [ 55.870838][ T5337] invoke_syscall+0x98/0x2b8 [ 55.871559][ T5337] el0_svc_common+0x138/0x258 [ 55.872228][ T5337] do_el0_svc+0x58/0x14c [ 55.872827][ T5337] el0_svc+0x78/0x1e0 [ 55.873397][ T5337] el0t_64_sync_handler+0xcc/0xe4 [ 55.874101][ T5337] el0t_64_sync+0x1a0/0x1a4 [ 55.876326][ T5337] ------------[ cut here ]------------ [ 55.877288][ T5337] WARNING: CPU: 0 PID: 5337 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 55.878734][ T5337] Modules linked in: [ 55.879345][ T5337] CPU: 0 PID: 5337 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.880836][ T5337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.882377][ T5337] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.883590][ T5337] pc : btrfs_rename2+0x26c8/0x30c0 [ 55.884390][ T5337] lr : btrfs_rename2+0x26c8/0x30c0 [ 55.885172][ T5337] sp : ffff800021797870 [ 55.885865][ T5337] x29: ffff800021797980 x28: ffff0000dcdb7368 x27: 0000000000000000 [ 55.887106][ T5337] x26: dfff800000000000 x25: ffff0000deb25340 x24: ffff0000e3880000 [ 55.888386][ T5337] x23: ffff0000deb24e80 x22: ffff80001420fec0 x21: 1fffe0001bd34863 [ 55.889589][ T5337] x20: ffff0000de9a4318 x19: 00000000fffffff4 x18: 0000000000000001 [ 55.890835][ T5337] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 55.892051][ T5337] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 55.893287][ T5337] x11: 0000000000000000 x10: 0000000000000000 x9 : 1d7bfbeddd31cc00 [ 55.894547][ T5337] x8 : 1d7bfbeddd31cc00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.895765][ T5337] x5 : ffff800021797158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 55.896948][ T5337] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.898100][ T5337] Call trace: [ 55.898578][ T5337] btrfs_rename2+0x26c8/0x30c0 [ 55.899305][ T5337] vfs_rename+0x954/0xdcc [ 55.899943][ T5337] do_renameat2+0x74c/0xcdc [ 55.900619][ T5337] __arm64_sys_renameat2+0xe0/0xfc [ 55.901372][ T5337] invoke_syscall+0x98/0x2b8 [ 55.902031][ T5337] el0_svc_common+0x138/0x258 [ 55.902663][ T5337] do_el0_svc+0x58/0x14c [ 55.903263][ T5337] el0_svc+0x78/0x1e0 [ 55.903810][ T5337] el0t_64_sync_handler+0xcc/0xe4 [ 55.904576][ T5337] el0t_64_sync+0x1a0/0x1a4 [ 55.905255][ T5337] irq event stamp: 79116 [ 55.905865][ T5337] hardirqs last enabled at (79115): [] __up_console_sem+0xb4/0x100 [ 55.907268][ T5337] hardirqs last disabled at (79116): [] el1_dbg+0x24/0x80 [ 55.908463][ T5337] softirqs last enabled at (79096): [] handle_softirqs+0xa4c/0xbf0 [ 55.909805][ T5337] softirqs last disabled at (79049): [] __irq_exit_rcu+0x240/0x440 [ 55.911205][ T5337] ---[ end trace 6514c980b4cf5751 ]--- [ 55.913242][ T5337] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 55.915048][ T5337] BTRFS info (device loop0): forced readonly [ 56.090764][ T5358] loop0: detected capacity change from 0 to 32768 [ 56.093355][ T5358] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5358) [ 56.096955][ T5358] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.098601][ T5358] BTRFS info (device loop0): using free space tree [ 56.099711][ T5358] BTRFS info (device loop0): has skinny extents [ 56.107639][ T5358] BTRFS info (device loop0): enabling ssd optimizations [ 56.113160][ T5358] FAULT_INJECTION: forcing a failure. [ 56.113160][ T5358] name failslab, interval 1, probability 0, space 0, times 0 [ 56.115276][ T5358] CPU: 0 PID: 5358 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.116672][ T5358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.118179][ T5358] Call trace: [ 56.118707][ T5358] dump_backtrace+0x0/0x43c [ 56.119414][ T5358] show_stack+0x2c/0x3c [ 56.120086][ T5358] __dump_stack+0x30/0x40 [ 56.120818][ T5358] dump_stack_lvl+0xf8/0x160 [ 56.121575][ T5358] dump_stack+0x1c/0x5c [ 56.122178][ T5358] should_fail+0x3c0/0x51c [ 56.122855][ T5358] __should_failslab+0xbc/0x10c [ 56.123606][ T5358] should_failslab+0x10/0x28 [ 56.124419][ T5358] slab_pre_alloc_hook+0x64/0xec [ 56.125218][ T5358] kmem_cache_alloc+0x94/0x3e4 [ 56.125946][ T5358] btrfs_alloc_path+0x5c/0x68 [ 56.126664][ T5358] btrfs_insert_inode_ref+0xe8/0x9e0 [ 56.127566][ T5358] btrfs_rename2+0x1998/0x30c0 [ 56.128325][ T5358] vfs_rename+0x954/0xdcc [ 56.129025][ T5358] do_renameat2+0x74c/0xcdc [ 56.129734][ T5358] __arm64_sys_renameat2+0xe0/0xfc [ 56.130496][ T5358] invoke_syscall+0x98/0x2b8 [ 56.131179][ T5358] el0_svc_common+0x138/0x258 [ 56.131890][ T5358] do_el0_svc+0x58/0x14c [ 56.132535][ T5358] el0_svc+0x78/0x1e0 [ 56.133186][ T5358] el0t_64_sync_handler+0xcc/0xe4 [ 56.133953][ T5358] el0t_64_sync+0x1a0/0x1a4 [ 56.309015][ T5379] loop0: detected capacity change from 0 to 32768 [ 56.311758][ T5379] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5379) [ 56.315213][ T5379] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.316885][ T5379] BTRFS info (device loop0): using free space tree [ 56.318036][ T5379] BTRFS info (device loop0): has skinny extents [ 56.328085][ T5379] BTRFS info (device loop0): enabling ssd optimizations [ 56.332881][ T5379] FAULT_INJECTION: forcing a failure. [ 56.332881][ T5379] name failslab, interval 1, probability 0, space 0, times 0 [ 56.334938][ T5379] CPU: 0 PID: 5379 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.336243][ T5379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.337813][ T5379] Call trace: [ 56.338340][ T5379] dump_backtrace+0x0/0x43c [ 56.339032][ T5379] show_stack+0x2c/0x3c [ 56.339680][ T5379] __dump_stack+0x30/0x40 [ 56.340314][ T5379] dump_stack_lvl+0xf8/0x160 [ 56.340987][ T5379] dump_stack+0x1c/0x5c [ 56.341653][ T5379] should_fail+0x3c0/0x51c [ 56.342332][ T5379] __should_failslab+0xbc/0x10c [ 56.343077][ T5379] should_failslab+0x10/0x28 [ 56.343751][ T5379] slab_pre_alloc_hook+0x64/0xec [ 56.344520][ T5379] kmem_cache_alloc+0x94/0x3e4 [ 56.345211][ T5379] btrfs_alloc_path+0x5c/0x68 [ 56.345928][ T5379] btrfs_insert_inode_ref+0xe8/0x9e0 [ 56.346749][ T5379] btrfs_rename2+0x1998/0x30c0 [ 56.347503][ T5379] vfs_rename+0x954/0xdcc [ 56.348129][ T5379] do_renameat2+0x74c/0xcdc [ 56.348751][ T5379] __arm64_sys_renameat2+0xe0/0xfc [ 56.349480][ T5379] invoke_syscall+0x98/0x2b8 [ 56.350137][ T5379] el0_svc_common+0x138/0x258 [ 56.350863][ T5379] do_el0_svc+0x58/0x14c [ 56.351526][ T5379] el0_svc+0x78/0x1e0 [ 56.352097][ T5379] el0t_64_sync_handler+0xcc/0xe4 [ 56.352841][ T5379] el0t_64_sync+0x1a0/0x1a4 [ 56.530793][ T5400] loop0: detected capacity change from 0 to 32768 [ 56.533676][ T5400] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5400) [ 56.536857][ T5400] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.538403][ T5400] BTRFS info (device loop0): using free space tree [ 56.539562][ T5400] BTRFS info (device loop0): has skinny extents [ 56.547899][ T5400] BTRFS info (device loop0): enabling ssd optimizations [ 56.553035][ T5400] FAULT_INJECTION: forcing a failure. [ 56.553035][ T5400] name failslab, interval 1, probability 0, space 0, times 0 [ 56.555115][ T5400] CPU: 1 PID: 5400 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.556491][ T5400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.557952][ T5400] Call trace: [ 56.558454][ T5400] dump_backtrace+0x0/0x43c [ 56.559138][ T5400] show_stack+0x2c/0x3c [ 56.559768][ T5400] __dump_stack+0x30/0x40 [ 56.560417][ T5400] dump_stack_lvl+0xf8/0x160 [ 56.561144][ T5400] dump_stack+0x1c/0x5c [ 56.561741][ T5400] should_fail+0x3c0/0x51c [ 56.562389][ T5400] __should_failslab+0xbc/0x10c [ 56.563130][ T5400] should_failslab+0x10/0x28 [ 56.563809][ T5400] slab_pre_alloc_hook+0x64/0xec [ 56.564517][ T5400] kmem_cache_alloc+0x94/0x3e4 [ 56.565227][ T5400] btrfs_alloc_path+0x5c/0x68 [ 56.565932][ T5400] btrfs_insert_inode_ref+0xe8/0x9e0 [ 56.566718][ T5400] btrfs_rename2+0x1998/0x30c0 [ 56.567422][ T5400] vfs_rename+0x954/0xdcc [ 56.568053][ T5400] do_renameat2+0x74c/0xcdc [ 56.568715][ T5400] __arm64_sys_renameat2+0xe0/0xfc [ 56.569466][ T5400] invoke_syscall+0x98/0x2b8 [ 56.570155][ T5400] el0_svc_common+0x138/0x258 [ 56.570862][ T5400] do_el0_svc+0x58/0x14c [ 56.571545][ T5400] el0_svc+0x78/0x1e0 [ 56.572178][ T5400] el0t_64_sync_handler+0xcc/0xe4 [ 56.572922][ T5400] el0t_64_sync+0x1a0/0x1a4 [ 56.771998][ T5421] loop0: detected capacity change from 0 to 32768 [ 56.774635][ T5421] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5421) [ 56.784084][ T5421] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.785572][ T5421] BTRFS info (device loop0): using free space tree [ 56.786591][ T5421] BTRFS info (device loop0): has skinny extents [ 56.802393][ T5421] BTRFS info (device loop0): enabling ssd optimizations [ 56.807361][ T5421] FAULT_INJECTION: forcing a failure. [ 56.807361][ T5421] name failslab, interval 1, probability 0, space 0, times 0 [ 56.809379][ T5421] CPU: 0 PID: 5421 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.810750][ T5421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.812302][ T5421] Call trace: [ 56.812786][ T5421] dump_backtrace+0x0/0x43c [ 56.813454][ T5421] show_stack+0x2c/0x3c [ 56.814083][ T5421] __dump_stack+0x30/0x40 [ 56.814750][ T5421] dump_stack_lvl+0xf8/0x160 [ 56.815485][ T5421] dump_stack+0x1c/0x5c [ 56.816087][ T5421] should_fail+0x3c0/0x51c [ 56.816752][ T5421] __should_failslab+0xbc/0x10c [ 56.817486][ T5421] should_failslab+0x10/0x28 [ 56.818192][ T5421] slab_pre_alloc_hook+0x64/0xec [ 56.818951][ T5421] kmem_cache_alloc+0x94/0x3e4 [ 56.819636][ T5421] btrfs_alloc_path+0x5c/0x68 [ 56.820344][ T5421] __btrfs_unlink_inode+0x1d8/0xb00 [ 56.821098][ T5421] btrfs_rename2+0x1c18/0x30c0 [ 56.821855][ T5421] vfs_rename+0x954/0xdcc [ 56.822466][ T5421] do_renameat2+0x74c/0xcdc [ 56.823129][ T5421] __arm64_sys_renameat2+0xe0/0xfc [ 56.823876][ T5421] invoke_syscall+0x98/0x2b8 [ 56.824569][ T5421] el0_svc_common+0x138/0x258 [ 56.825289][ T5421] do_el0_svc+0x58/0x14c [ 56.825905][ T5421] el0_svc+0x78/0x1e0 [ 56.826503][ T5421] el0t_64_sync_handler+0xcc/0xe4 [ 56.827310][ T5421] el0t_64_sync+0x1a0/0x1a4 [ 56.828917][ T5421] ------------[ cut here ]------------ [ 56.829852][ T5421] WARNING: CPU: 0 PID: 5421 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 56.831213][ T5421] Modules linked in: [ 56.831843][ T5421] CPU: 0 PID: 5421 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.833225][ T5421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.834798][ T5421] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.835983][ T5421] pc : btrfs_rename2+0x26c8/0x30c0 [ 56.836723][ T5421] lr : btrfs_rename2+0x26c8/0x30c0 [ 56.837446][ T5421] sp : ffff800021797870 [ 56.838004][ T5421] x29: ffff800021797980 x28: ffff0000deaf14e0 x27: 0000000000000000 [ 56.839141][ T5421] x26: dfff800000000000 x25: ffff0000e20e5d10 x24: ffff0000ca988000 [ 56.840301][ T5421] x23: ffff0000e20e5850 x22: ffff80001420fec0 x21: 1fffe0001bd04c21 [ 56.841436][ T5421] x20: ffff0000de826108 x19: 00000000fffffff4 x18: 0000000000000001 [ 56.842606][ T5421] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 56.843914][ T5421] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 56.845060][ T5421] x11: 0000000000000000 x10: 0000000000000000 x9 : 48b1777e8dc36600 [ 56.846262][ T5421] x8 : 48b1777e8dc36600 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.847474][ T5421] x5 : ffff800021797158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 56.848714][ T5421] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.849941][ T5421] Call trace: [ 56.850438][ T5421] btrfs_rename2+0x26c8/0x30c0 [ 56.851165][ T5421] vfs_rename+0x954/0xdcc [ 56.851783][ T5421] do_renameat2+0x74c/0xcdc [ 56.852536][ T5421] __arm64_sys_renameat2+0xe0/0xfc [ 56.853326][ T5421] invoke_syscall+0x98/0x2b8 [ 56.854050][ T5421] el0_svc_common+0x138/0x258 [ 56.854738][ T5421] do_el0_svc+0x58/0x14c [ 56.855389][ T5421] el0_svc+0x78/0x1e0 [ 56.856002][ T5421] el0t_64_sync_handler+0xcc/0xe4 [ 56.856733][ T5421] el0t_64_sync+0x1a0/0x1a4 [ 56.857417][ T5421] irq event stamp: 79016 [ 56.857936][ T5421] hardirqs last enabled at (79015): [] __up_console_sem+0xb4/0x100 [ 56.859343][ T5421] hardirqs last disabled at (79016): [] el1_dbg+0x24/0x80 [ 56.860668][ T5421] softirqs last enabled at (78996): [] handle_softirqs+0xa4c/0xbf0 [ 56.862013][ T5421] softirqs last disabled at (78915): [] __irq_exit_rcu+0x240/0x440 [ 56.863480][ T5421] ---[ end trace 6514c980b4cf5752 ]--- [ 56.864613][ T5421] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 56.866002][ T5421] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:56 executed programs: 35 [ 57.059772][ T5442] loop0: detected capacity change from 0 to 32768 [ 57.063189][ T5442] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5442) [ 57.067510][ T5442] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.069116][ T5442] BTRFS info (device loop0): using free space tree [ 57.070163][ T5442] BTRFS info (device loop0): has skinny extents [ 57.077648][ T5442] BTRFS info (device loop0): enabling ssd optimizations [ 57.084083][ T5442] FAULT_INJECTION: forcing a failure. [ 57.084083][ T5442] name failslab, interval 1, probability 0, space 0, times 0 [ 57.086023][ T5442] CPU: 1 PID: 5442 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.087400][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.088938][ T5442] Call trace: [ 57.089377][ T5442] dump_backtrace+0x0/0x43c [ 57.090039][ T5442] show_stack+0x2c/0x3c [ 57.090621][ T5442] __dump_stack+0x30/0x40 [ 57.091217][ T5442] dump_stack_lvl+0xf8/0x160 [ 57.091897][ T5442] dump_stack+0x1c/0x5c [ 57.092526][ T5442] should_fail+0x3c0/0x51c [ 57.093217][ T5442] __should_failslab+0xbc/0x10c [ 57.093905][ T5442] should_failslab+0x10/0x28 [ 57.094606][ T5442] slab_pre_alloc_hook+0x64/0xec [ 57.095339][ T5442] kmem_cache_alloc+0x94/0x3e4 [ 57.096033][ T5442] btrfs_alloc_path+0x5c/0x68 [ 57.096783][ T5442] __btrfs_unlink_inode+0x1d8/0xb00 [ 57.097618][ T5442] btrfs_rename2+0x1c18/0x30c0 [ 57.098394][ T5442] vfs_rename+0x954/0xdcc [ 57.099070][ T5442] do_renameat2+0x74c/0xcdc [ 57.099786][ T5442] __arm64_sys_renameat2+0xe0/0xfc [ 57.100589][ T5442] invoke_syscall+0x98/0x2b8 [ 57.101341][ T5442] el0_svc_common+0x138/0x258 [ 57.102045][ T5442] do_el0_svc+0x58/0x14c [ 57.102692][ T5442] el0_svc+0x78/0x1e0 [ 57.103327][ T5442] el0t_64_sync_handler+0xcc/0xe4 [ 57.104151][ T5442] el0t_64_sync+0x1a0/0x1a4 [ 57.105547][ T5442] ------------[ cut here ]------------ [ 57.106440][ T5442] WARNING: CPU: 1 PID: 5442 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 57.107742][ T5442] Modules linked in: [ 57.108294][ T5442] CPU: 1 PID: 5442 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.109730][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.111164][ T5442] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.112278][ T5442] pc : btrfs_rename2+0x26c8/0x30c0 [ 57.113028][ T5442] lr : btrfs_rename2+0x26c8/0x30c0 [ 57.113774][ T5442] sp : ffff800021797870 [ 57.114414][ T5442] x29: ffff800021797980 x28: ffff0000dccdbdb0 x27: 0000000000000000 [ 57.115615][ T5442] x26: dfff800000000000 x25: ffff0000e20e1860 x24: ffff0000d8c1a000 [ 57.116812][ T5442] x23: ffff0000e20e13a0 x22: ffff80001420fec0 x21: 1fffe0001bd37dd9 [ 57.118046][ T5442] x20: ffff0000de9beec8 x19: 00000000fffffff4 x18: 0000000000000001 [ 57.119305][ T5442] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 57.120573][ T5442] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.121794][ T5442] x11: 0000000000000000 x10: 0000000000000000 x9 : bd03dc42f9346a00 [ 57.122976][ T5442] x8 : bd03dc42f9346a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.124196][ T5442] x5 : ffff800021797158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 57.125576][ T5442] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.126858][ T5442] Call trace: [ 57.127367][ T5442] btrfs_rename2+0x26c8/0x30c0 [ 57.128166][ T5442] vfs_rename+0x954/0xdcc [ 57.128884][ T5442] do_renameat2+0x74c/0xcdc [ 57.129656][ T5442] __arm64_sys_renameat2+0xe0/0xfc [ 57.130506][ T5442] invoke_syscall+0x98/0x2b8 [ 57.131190][ T5442] el0_svc_common+0x138/0x258 [ 57.131860][ T5442] do_el0_svc+0x58/0x14c [ 57.132486][ T5442] el0_svc+0x78/0x1e0 [ 57.133075][ T5442] el0t_64_sync_handler+0xcc/0xe4 [ 57.133852][ T5442] el0t_64_sync+0x1a0/0x1a4 [ 57.134527][ T5442] irq event stamp: 78922 [ 57.135165][ T5442] hardirqs last enabled at (78921): [] __up_console_sem+0xb4/0x100 [ 57.136654][ T5442] hardirqs last disabled at (78922): [] el1_dbg+0x24/0x80 [ 57.137856][ T5442] softirqs last enabled at (78902): [] handle_softirqs+0xa4c/0xbf0 [ 57.139279][ T5442] softirqs last disabled at (78845): [] __irq_exit_rcu+0x240/0x440 [ 57.140672][ T5442] ---[ end trace 6514c980b4cf5753 ]--- [ 57.142458][ T5442] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 57.143851][ T5442] BTRFS info (device loop0): forced readonly [ 57.328305][ T5463] loop0: detected capacity change from 0 to 32768 [ 57.330794][ T5463] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5463) [ 57.334753][ T5463] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.336330][ T5463] BTRFS info (device loop0): using free space tree [ 57.337301][ T5463] BTRFS info (device loop0): has skinny extents [ 57.347894][ T5463] BTRFS info (device loop0): enabling ssd optimizations [ 57.353459][ T5463] FAULT_INJECTION: forcing a failure. [ 57.353459][ T5463] name failslab, interval 1, probability 0, space 0, times 0 [ 57.355684][ T5463] CPU: 0 PID: 5463 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.357025][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.358519][ T5463] Call trace: [ 57.359006][ T5463] dump_backtrace+0x0/0x43c [ 57.359666][ T5463] show_stack+0x2c/0x3c [ 57.360268][ T5463] __dump_stack+0x30/0x40 [ 57.360879][ T5463] dump_stack_lvl+0xf8/0x160 [ 57.361524][ T5463] dump_stack+0x1c/0x5c [ 57.362089][ T5463] should_fail+0x3c0/0x51c [ 57.362710][ T5463] __should_failslab+0xbc/0x10c [ 57.363374][ T5463] should_failslab+0x10/0x28 [ 57.364051][ T5463] slab_pre_alloc_hook+0x64/0xec [ 57.364787][ T5463] kmem_cache_alloc+0x94/0x3e4 [ 57.365473][ T5463] btrfs_alloc_path+0x5c/0x68 [ 57.366190][ T5463] __btrfs_unlink_inode+0x1d8/0xb00 [ 57.366982][ T5463] btrfs_rename2+0x1c18/0x30c0 [ 57.367689][ T5463] vfs_rename+0x954/0xdcc [ 57.368338][ T5463] do_renameat2+0x74c/0xcdc [ 57.369028][ T5463] __arm64_sys_renameat2+0xe0/0xfc [ 57.369903][ T5463] invoke_syscall+0x98/0x2b8 [ 57.370635][ T5463] el0_svc_common+0x138/0x258 [ 57.371421][ T5463] do_el0_svc+0x58/0x14c [ 57.372110][ T5463] el0_svc+0x78/0x1e0 [ 57.372717][ T5463] el0t_64_sync_handler+0xcc/0xe4 [ 57.373525][ T5463] el0t_64_sync+0x1a0/0x1a4 [ 57.374676][ T5463] ------------[ cut here ]------------ [ 57.376123][ T5463] WARNING: CPU: 0 PID: 5463 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26c8/0x30c0 [ 57.377516][ T5463] Modules linked in: [ 57.378139][ T5463] CPU: 0 PID: 5463 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.379619][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.381144][ T5463] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.382377][ T5463] pc : btrfs_rename2+0x26c8/0x30c0 [ 57.383146][ T5463] lr : btrfs_rename2+0x26c8/0x30c0 [ 57.383979][ T5463] sp : ffff800021797870 [ 57.384627][ T5463] x29: ffff800021797980 x28: ffff0000dcd29658 x27: 0000000000000000 [ 57.385917][ T5463] x26: dfff800000000000 x25: ffff0000e215c970 x24: ffff0000c7cce000 [ 57.387145][ T5463] x23: ffff0000e215c4b0 x22: ffff80001420fec0 x21: 1fffe0001bd04c63 [ 57.388282][ T5463] x20: ffff0000de826318 x19: 00000000fffffff4 x18: 0000000000000001 [ 57.389494][ T5463] x17: 0000000000000000 x16: ffff8000111ceed0 x15: 00000000ffffffff [ 57.390698][ T5463] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 57.391875][ T5463] x11: 0000000000000000 x10: 0000000000000000 x9 : 7acc804095399400 [ 57.393068][ T5463] x8 : 7acc804095399400 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.394282][ T5463] x5 : ffff800021797158 x4 : ffff80001426f5a0 x3 : ffff8000085043fc [ 57.395449][ T5463] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.396631][ T5463] Call trace: [ 57.397099][ T5463] btrfs_rename2+0x26c8/0x30c0 [ 57.397869][ T5463] vfs_rename+0x954/0xdcc [ 57.398512][ T5463] do_renameat2+0x74c/0xcdc [ 57.399169][ T5463] __arm64_sys_renameat2+0xe0/0xfc [ 57.399950][ T5463] invoke_syscall+0x98/0x2b8 [ 57.400599][ T5463] el0_svc_common+0x138/0x258 [ 57.401343][ T5463] do_el0_svc+0x58/0x14c [ 57.401977][ T5463] el0_svc+0x78/0x1e0 [ 57.402590][ T5463] el0t_64_sync_handler+0xcc/0xe4 [ 57.403273][ T5463] el0t_64_sync+0x1a0/0x1a4 [ 57.403855][ T5463] irq event stamp: 79454 [ 57.404445][ T5463] hardirqs last enabled at (79453): [] __up_console_sem+0xb4/0x100 [ 57.405842][ T5463] hardirqs last disabled at (79454): [] el1_dbg+0x24/0x80 [ 57.407181][ T5463] softirqs last enabled at (79430): [] handle_softirqs+0xa4c/0xbf0 [ 57.408792][ T5463] softirqs last disabled at (79415): [] __irq_exit_rcu+0x240/0x440 [ 57.410349][ T5463] ---[ end trace 6514c980b4cf5754 ]--- [ 57.412278][ T5463] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 57.413789][ T5463] BTRFS info (device loop0): forced readonly [ 57.578092][ T5484] loop0: detected capacity change from 0 to 32768 [ 57.582775][ T5484] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5484) [ 57.587361][ T5484] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.588923][ T5484] BTRFS info (device loop0): using free space tree [ 57.589896][ T5484] BTRFS info (device loop0): has skinny extents [ 57.600453][ T5484] BTRFS info (device loop0): enabling ssd optimizations [ 57.605576][ T5484] FAULT_INJECTION: forcing a failure. [ 57.605576][ T5484] name failslab, interval 1, probability 0, space 0, times 0 [ 57.607752][ T5484] CPU: 1 PID: 5484 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.609168][ T5484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.610769][ T5484] Call trace: [ 57.611259][ T5484] dump_backtrace+0x0/0x43c [ 57.611966][ T5484] show_stack+0x2c/0x3c [ 57.612615][ T5484] __dump_stack+0x30/0x40 [ 57.613245][ T5484] dump_stack_lvl+0xf8/0x160 [ 57.613943][ T5484] dump_stack+0x1c/0x5c [ 57.614581][ T5484] should_fail+0x3c0/0x51c [ 57.615219][ T5484] __should_failslab+0xbc/0x10c [ 57.615947][ T5484] should_failslab+0x10/0x28 [ 57.616630][ T5484] slab_pre_alloc_hook+0x64/0xec [ 57.617426][ T5484] kmem_cache_alloc+0x94/0x3e4 [ 57.618149][ T5484] start_transaction+0x4d0/0x13f0 [ 57.618914][ T5484] btrfs_start_transaction+0x34/0x44 [ 57.619746][ T5484] btrfs_rename2+0x15f8/0x30c0 [ 57.620490][ T5484] vfs_rename+0x954/0xdcc [ 57.621144][ T5484] do_renameat2+0x74c/0xcdc [ 57.621811][ T5484] __arm64_sys_renameat2+0xe0/0xfc [ 57.622596][ T5484] invoke_syscall+0x98/0x2b8 [ 57.623307][ T5484] el0_svc_common+0x138/0x258 [ 57.623984][ T5484] do_el0_svc+0x58/0x14c [ 57.624633][ T5484] el0_svc+0x78/0x1e0 [ 57.625252][ T5484] el0t_64_sync_handler+0xcc/0xe4 [ 57.625998][ T5484] el0t_64_sync+0x1a0/0x1a4 [ 57.827186][ T5505] loop0: detected capacity change from 0 to 32768 [ 57.829600][ T5505] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5505) [ 57.834070][ T5505] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.835822][ T5505] BTRFS info (device loop0): using free space tree [ 57.836808][ T5505] BTRFS info (device loop0): has skinny extents [ 57.845260][ T5505] BTRFS info (device loop0): enabling ssd optimizations [ 57.850139][ T5505] FAULT_INJECTION: forcing a failure. [ 57.850139][ T5505] name failslab, interval 1, probability 0, space 0, times 0 [ 57.852485][ T5505] CPU: 0 PID: 5505 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.853913][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.855612][ T5505] Call trace: [ 57.856104][ T5505] dump_backtrace+0x0/0x43c [ 57.856807][ T5505] show_stack+0x2c/0x3c [ 57.857491][ T5505] __dump_stack+0x30/0x40 [ 57.858147][ T5505] dump_stack_lvl+0xf8/0x160 [ 57.858835][ T5505] dump_stack+0x1c/0x5c [ 57.859517][ T5505] should_fail+0x3c0/0x51c [ 57.860117][ T5505] __should_failslab+0xbc/0x10c [ 57.860795][ T5505] should_failslab+0x10/0x28 [ 57.861482][ T5505] slab_pre_alloc_hook+0x64/0xec [ 57.862187][ T5505] kmem_cache_alloc+0x94/0x3e4 [ 57.862918][ T5505] btrfs_alloc_path+0x5c/0x68 [ 57.863648][ T5505] btrfs_insert_inode_ref+0xe8/0x9e0 [ 57.864454][ T5505] btrfs_rename2+0x1998/0x30c0 [ 57.865199][ T5505] vfs_rename+0x954/0xdcc [ 57.865851][ T5505] do_renameat2+0x74c/0xcdc [ 57.866516][ T5505] __arm64_sys_renameat2+0xe0/0xfc [ 57.867288][ T5505] invoke_syscall+0x98/0x2b8 [ 57.867971][ T5505] el0_svc_common+0x138/0x258 [ 57.868704][ T5505] do_el0_svc+0x58/0x14c [ 57.869291][ T5505] el0_svc+0x78/0x1e0 [ 57.869817][ T5505] el0t_64_sync_handler+0xcc/0xe4 [ 57.870585][ T5505] el0t_64_sync+0x1a0/0x1a4