Warning: Permanently added '10.128.1.92' (ED25519) to the list of known hosts. 1970/01/01 00:00:45 ignoring optional flag "type"="gce" 1970/01/01 00:00:45 parsed 1 programs [ 46.055195][ T4277] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:46 executed programs: 0 [ 46.118396][ T4284] chnl_net:caif_netlink_parms(): no params data found [ 46.135756][ T4284] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.136913][ T4284] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.138268][ T4284] device bridge_slave_0 entered promiscuous mode [ 46.140156][ T4284] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.141265][ T4284] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.142657][ T4284] device bridge_slave_1 entered promiscuous mode [ 46.150456][ T4284] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.152815][ T4284] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.160164][ T4284] team0: Port device team_slave_0 added [ 46.161780][ T4284] team0: Port device team_slave_1 added [ 46.168784][ T4284] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 46.169818][ T4284] 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. [ 46.173502][ T4284] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 46.175863][ T4284] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 46.176890][ T4284] 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. [ 46.180724][ T4284] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 46.235316][ T4284] device hsr_slave_0 entered promiscuous mode [ 46.284451][ T4284] device hsr_slave_1 entered promiscuous mode [ 46.923888][ T4284] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.955470][ T4284] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.995636][ T4284] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.045427][ T4284] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.102430][ T4284] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.103635][ T4284] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.104997][ T4284] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.106070][ T4284] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.124155][ T4284] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.126851][ T447] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.128318][ T447] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.130212][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 47.136342][ T4284] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.146397][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.147756][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.149128][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.150597][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.152053][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.153117][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.155367][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.156941][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.158398][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.159547][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.160945][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.162567][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.164118][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.166681][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.168279][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.169866][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.171655][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.173118][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.175764][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.178220][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.179643][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.182042][ T4284] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.225152][ T4284] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.229130][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.230379][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.236237][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.237910][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.243976][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.245596][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.247072][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.248398][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.251157][ T4284] device veth0_vlan entered promiscuous mode [ 47.255580][ T4284] device veth1_vlan entered promiscuous mode [ 47.262440][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.264003][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.265831][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.267299][ T1621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.270081][ T4284] device veth0_macvtap entered promiscuous mode [ 47.272153][ T4284] device veth1_macvtap entered promiscuous mode [ 47.279378][ T4284] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.280594][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.282038][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.283461][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.285556][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.288464][ T4284] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.290277][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.291788][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.293908][ T4284] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.296401][ T4284] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.297697][ T4284] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.298903][ T4284] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.431140][ T4418] loop0: detected capacity change from 0 to 32768 [ 47.435109][ T4418] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4418) [ 47.441205][ T4418] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.442827][ T4418] BTRFS info (device loop0): using free space tree [ 47.443838][ T4418] BTRFS info (device loop0): has skinny extents [ 47.498405][ T4418] BTRFS info (device loop0): enabling ssd optimizations [ 47.518073][ T4418] FAULT_INJECTION: forcing a failure. [ 47.518073][ T4418] name failslab, interval 1, probability 0, space 0, times 1 [ 47.520126][ T4418] CPU: 0 PID: 4418 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.521206][ T4418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.522725][ T4418] Call trace: [ 47.523219][ T4418] dump_backtrace+0x0/0x458 [ 47.523873][ T4418] show_stack+0x2c/0x3c [ 47.524487][ T4418] __dump_stack+0x30/0x40 [ 47.525117][ T4418] dump_stack_lvl+0xf4/0x15c [ 47.525736][ T4418] dump_stack+0x1c/0x5c [ 47.526312][ T4418] should_fail+0x3bc/0x514 [ 47.526893][ T4418] __should_failslab+0xbc/0x10c [ 47.527557][ T4418] should_failslab+0x10/0x28 [ 47.528245][ T4418] slab_pre_alloc_hook+0x64/0xe8 [ 47.528946][ T4418] kmem_cache_alloc+0x94/0x3d4 [ 47.529655][ T4418] btrfs_alloc_path+0x5c/0x68 [ 47.530319][ T4418] btrfs_insert_inode_ref+0xf0/0xa2c [ 47.531097][ T4418] btrfs_rename2+0x1978/0x307c [ 47.531800][ T4418] vfs_rename+0x95c/0xde0 [ 47.532444][ T4418] do_renameat2+0x774/0xcfc [ 47.533054][ T4418] __arm64_sys_renameat2+0xe0/0xfc [ 47.533748][ T4418] invoke_syscall+0x98/0x2b0 [ 47.534404][ T4418] el0_svc_common+0x138/0x258 [ 47.535113][ T4418] do_el0_svc+0x58/0x13c [ 47.535703][ T4418] el0_svc+0x78/0x1d0 [ 47.536237][ T4418] el0t_64_sync_handler+0xcc/0xe4 [ 47.536955][ T4418] el0t_64_sync+0x1a0/0x1a4 [ 47.735525][ T4484] loop0: detected capacity change from 0 to 32768 [ 47.738053][ T4484] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4484) [ 47.747706][ T4484] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.749144][ T4484] BTRFS info (device loop0): using free space tree [ 47.750133][ T4484] BTRFS info (device loop0): has skinny extents [ 47.807374][ T4484] BTRFS info (device loop0): enabling ssd optimizations [ 47.817897][ T4484] FAULT_INJECTION: forcing a failure. [ 47.817897][ T4484] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 47.819943][ T4484] CPU: 1 PID: 4484 Comm: syz-executor.0 Not tainted syzkaller #0 [ 47.821185][ T4484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.822632][ T4484] Call trace: [ 47.823104][ T4484] dump_backtrace+0x0/0x458 [ 47.823814][ T4484] show_stack+0x2c/0x3c [ 47.824429][ T4484] __dump_stack+0x30/0x40 [ 47.825158][ T4484] dump_stack_lvl+0xf4/0x15c [ 47.825825][ T4484] dump_stack+0x1c/0x5c [ 47.826470][ T4484] should_fail+0x3bc/0x514 [ 47.827100][ T4484] should_fail_alloc_page+0x74/0xa8 [ 47.827845][ T4484] prepare_alloc_pages+0x160/0x45c [ 47.828568][ T4484] __alloc_pages+0x108/0x470 [ 47.829260][ T4484] alloc_pages+0x34c/0x5c0 [ 47.829937][ T4484] new_slab+0xe0/0x544 [ 47.830537][ T4484] ___slab_alloc+0x6b4/0xd8c [ 47.831233][ T4484] __slab_alloc+0x68/0xc0 [ 47.831928][ T4484] kmem_cache_alloc+0x2a4/0x3d4 [ 47.832676][ T4484] btrfs_alloc_path+0x5c/0x68 [ 47.833357][ T4484] btrfs_insert_inode_ref+0xf0/0xa2c [ 47.834134][ T4484] btrfs_rename2+0x1978/0x307c [ 47.834855][ T4484] vfs_rename+0x95c/0xde0 [ 47.835522][ T4484] do_renameat2+0x774/0xcfc [ 47.836179][ T4484] __arm64_sys_renameat2+0xe0/0xfc [ 47.836883][ T4484] invoke_syscall+0x98/0x2b0 [ 47.837519][ T4484] el0_svc_common+0x138/0x258 [ 47.838201][ T4484] do_el0_svc+0x58/0x13c [ 47.838792][ T4484] el0_svc+0x78/0x1d0 [ 47.839367][ T4484] el0t_64_sync_handler+0xcc/0xe4 [ 47.840105][ T4484] el0t_64_sync+0x1a0/0x1a4 [ 48.052718][ T4557] loop0: detected capacity change from 0 to 32768 [ 48.061653][ T4557] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4557) [ 48.072648][ T4557] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.074167][ T4557] BTRFS info (device loop0): using free space tree [ 48.076444][ T4557] BTRFS info (device loop0): has skinny extents [ 48.094958][ T4543] Bluetooth: hci0: command 0x0409 tx timeout [ 48.142116][ T4557] BTRFS info (device loop0): enabling ssd optimizations [ 48.160637][ T4557] FAULT_INJECTION: forcing a failure. [ 48.160637][ T4557] name failslab, interval 1, probability 0, space 0, times 0 [ 48.162534][ T4557] CPU: 0 PID: 4557 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.163630][ T4557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.165098][ T4557] Call trace: [ 48.165595][ T4557] dump_backtrace+0x0/0x458 [ 48.166235][ T4557] show_stack+0x2c/0x3c [ 48.166786][ T4557] __dump_stack+0x30/0x40 [ 48.167411][ T4557] dump_stack_lvl+0xf4/0x15c [ 48.168098][ T4557] dump_stack+0x1c/0x5c [ 48.168725][ T4557] should_fail+0x3bc/0x514 [ 48.169342][ T4557] __should_failslab+0xbc/0x10c [ 48.170006][ T4557] should_failslab+0x10/0x28 [ 48.170672][ T4557] slab_pre_alloc_hook+0x64/0xe8 [ 48.171369][ T4557] kmem_cache_alloc+0x94/0x3d4 [ 48.172145][ T4557] btrfs_alloc_path+0x5c/0x68 [ 48.172906][ T4557] __btrfs_unlink_inode+0x1dc/0xaec [ 48.173674][ T4557] btrfs_rename2+0x1bf8/0x307c [ 48.174387][ T4557] vfs_rename+0x95c/0xde0 [ 48.175016][ T4557] do_renameat2+0x774/0xcfc [ 48.175653][ T4557] __arm64_sys_renameat2+0xe0/0xfc [ 48.176408][ T4557] invoke_syscall+0x98/0x2b0 [ 48.177084][ T4557] el0_svc_common+0x138/0x258 [ 48.177798][ T4557] do_el0_svc+0x58/0x13c [ 48.178432][ T4557] el0_svc+0x78/0x1d0 [ 48.178995][ T4557] el0t_64_sync_handler+0xcc/0xe4 [ 48.179748][ T4557] el0t_64_sync+0x1a0/0x1a4 [ 48.183370][ T4557] ------------[ cut here ]------------ [ 48.185273][ T4557] WARNING: CPU: 0 PID: 4557 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 48.186647][ T4557] Modules linked in: [ 48.187212][ T4557] CPU: 0 PID: 4557 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.188398][ T4557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.189907][ T4557] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.191058][ T4557] pc : btrfs_rename2+0x26a8/0x307c [ 48.191781][ T4557] lr : btrfs_rename2+0x26a8/0x307c [ 48.192482][ T4557] sp : ffff80001fd27870 [ 48.193092][ T4557] x29: ffff80001fd27980 x28: ffff0000de6e6d88 x27: 0000000000000000 [ 48.194264][ T4557] x26: dfff800000000000 x25: ffff0000e214c970 x24: ffff0000ccc30000 [ 48.195421][ T4557] x23: ffff0000e214c4b0 x22: ffff80001430fcc0 x21: 1fffe0001bcedca5 [ 48.196559][ T4557] x20: ffff0000de76e528 x19: 00000000fffffff4 x18: 0000000000000001 [ 48.197739][ T4557] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 48.198909][ T4557] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 48.200019][ T4557] x11: 0000000000000000 x10: 0000000000000000 x9 : e83863bd6dec8d00 [ 48.201141][ T4557] x8 : e83863bd6dec8d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.202277][ T4557] x5 : ffff80001fd27178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 48.203427][ T4557] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.204560][ T4557] Call trace: [ 48.205033][ T4557] btrfs_rename2+0x26a8/0x307c [ 48.205674][ T4557] vfs_rename+0x95c/0xde0 [ 48.206273][ T4557] do_renameat2+0x774/0xcfc [ 48.206903][ T4557] __arm64_sys_renameat2+0xe0/0xfc [ 48.207579][ T4557] invoke_syscall+0x98/0x2b0 [ 48.208391][ T4557] el0_svc_common+0x138/0x258 [ 48.209195][ T4557] do_el0_svc+0x58/0x13c [ 48.209891][ T4557] el0_svc+0x78/0x1d0 [ 48.210514][ T4557] el0t_64_sync_handler+0xcc/0xe4 [ 48.211314][ T4557] el0t_64_sync+0x1a0/0x1a4 [ 48.211966][ T4557] irq event stamp: 79940 [ 48.212585][ T4557] hardirqs last enabled at (79939): [] __up_console_sem+0xb4/0xfc [ 48.214001][ T4557] hardirqs last disabled at (79940): [] el1_dbg+0x24/0x80 [ 48.215288][ T4557] softirqs last enabled at (79914): [] handle_softirqs+0xa40/0xbe4 [ 48.216569][ T4557] softirqs last disabled at (79893): [] __irq_exit_rcu+0x240/0x43c [ 48.217912][ T4557] ---[ end trace f29460aa6a3ebe6c ]--- [ 48.222582][ T4557] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 48.224864][ T4557] BTRFS info (device loop0): forced readonly [ 48.423058][ T4618] loop0: detected capacity change from 0 to 32768 [ 48.427111][ T4618] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4618) [ 48.433270][ T4618] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.436636][ T4618] BTRFS info (device loop0): using free space tree [ 48.438459][ T4618] BTRFS info (device loop0): has skinny extents [ 48.501622][ T4618] BTRFS info (device loop0): enabling ssd optimizations [ 48.510192][ T4618] FAULT_INJECTION: forcing a failure. [ 48.510192][ T4618] name failslab, interval 1, probability 0, space 0, times 0 [ 48.512182][ T4618] CPU: 1 PID: 4618 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.513525][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.514946][ T4618] Call trace: [ 48.515409][ T4618] dump_backtrace+0x0/0x458 [ 48.516062][ T4618] show_stack+0x2c/0x3c [ 48.516669][ T4618] __dump_stack+0x30/0x40 [ 48.517270][ T4618] dump_stack_lvl+0xf4/0x15c [ 48.517925][ T4618] dump_stack+0x1c/0x5c [ 48.518518][ T4618] should_fail+0x3bc/0x514 [ 48.519133][ T4618] __should_failslab+0xbc/0x10c [ 48.519808][ T4618] should_failslab+0x10/0x28 [ 48.520446][ T4618] slab_pre_alloc_hook+0x64/0xe8 [ 48.521171][ T4618] kmem_cache_alloc+0x94/0x3d4 [ 48.521858][ T4618] btrfs_alloc_path+0x5c/0x68 [ 48.522581][ T4618] __btrfs_unlink_inode+0x1dc/0xaec [ 48.523365][ T4618] btrfs_rename2+0x1bf8/0x307c [ 48.524042][ T4618] vfs_rename+0x95c/0xde0 [ 48.524672][ T4618] do_renameat2+0x774/0xcfc [ 48.525307][ T4618] __arm64_sys_renameat2+0xe0/0xfc [ 48.526088][ T4618] invoke_syscall+0x98/0x2b0 [ 48.526807][ T4618] el0_svc_common+0x138/0x258 [ 48.527523][ T4618] do_el0_svc+0x58/0x13c [ 48.528100][ T4618] el0_svc+0x78/0x1d0 [ 48.528658][ T4618] el0t_64_sync_handler+0xcc/0xe4 [ 48.529380][ T4618] el0t_64_sync+0x1a0/0x1a4 [ 48.538421][ T4618] ------------[ cut here ]------------ [ 48.539477][ T4618] WARNING: CPU: 1 PID: 4618 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 48.540823][ T4618] Modules linked in: [ 48.541354][ T4618] CPU: 1 PID: 4618 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.542714][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.544221][ T4618] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.545434][ T4618] pc : btrfs_rename2+0x26a8/0x307c [ 48.546194][ T4618] lr : btrfs_rename2+0x26a8/0x307c [ 48.546965][ T4618] sp : ffff80001f1c7870 [ 48.547577][ T4618] x29: ffff80001f1c7980 x28: ffff0000dc90e7a8 x27: 0000000000000000 [ 48.548759][ T4618] x26: dfff800000000000 x25: ffff0000de78a230 x24: ffff0000cfee8000 [ 48.550020][ T4618] x23: ffff0000de789d70 x22: ffff80001430fcc0 x21: 1fffe0001bcc08a5 [ 48.551218][ T4618] x20: ffff0000de604528 x19: 00000000fffffff4 x18: 0000000000000001 [ 48.552424][ T4618] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 48.553662][ T4618] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 48.554910][ T4618] x11: 0000000000000000 x10: 0000000000000000 x9 : 52a9e15a058ecf00 [ 48.556121][ T4618] x8 : 52a9e15a058ecf00 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.557385][ T4618] x5 : ffff80001f1c7178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 48.558561][ T4618] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.559693][ T4618] Call trace: [ 48.560174][ T4618] btrfs_rename2+0x26a8/0x307c [ 48.560868][ T4618] vfs_rename+0x95c/0xde0 [ 48.561513][ T4618] do_renameat2+0x774/0xcfc [ 48.562246][ T4618] __arm64_sys_renameat2+0xe0/0xfc [ 48.563005][ T4618] invoke_syscall+0x98/0x2b0 [ 48.563638][ T4618] el0_svc_common+0x138/0x258 [ 48.564329][ T4618] do_el0_svc+0x58/0x13c [ 48.564983][ T4618] el0_svc+0x78/0x1d0 [ 48.565638][ T4618] el0t_64_sync_handler+0xcc/0xe4 [ 48.566371][ T4618] el0t_64_sync+0x1a0/0x1a4 [ 48.567032][ T4618] irq event stamp: 80402 [ 48.567634][ T4618] hardirqs last enabled at (80401): [] __up_console_sem+0xb4/0xfc [ 48.568922][ T4618] hardirqs last disabled at (80402): [] el1_dbg+0x24/0x80 [ 48.570187][ T4618] softirqs last enabled at (80382): [] handle_softirqs+0xa40/0xbe4 [ 48.571538][ T4618] softirqs last disabled at (80365): [] __irq_exit_rcu+0x240/0x43c [ 48.572904][ T4618] ---[ end trace f29460aa6a3ebe6d ]--- [ 48.574825][ T4618] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 48.576301][ T4618] BTRFS info (device loop0): forced readonly [ 48.785465][ T4679] loop0: detected capacity change from 0 to 32768 [ 48.793033][ T4679] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4679) [ 48.801412][ T4679] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.802876][ T4679] BTRFS info (device loop0): using free space tree [ 48.803791][ T4679] BTRFS info (device loop0): has skinny extents [ 48.861207][ T4679] BTRFS info (device loop0): enabling ssd optimizations [ 48.867364][ T4679] FAULT_INJECTION: forcing a failure. [ 48.867364][ T4679] name failslab, interval 1, probability 0, space 0, times 0 [ 48.869507][ T4679] CPU: 1 PID: 4679 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.870952][ T4679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.872567][ T4679] Call trace: [ 48.873105][ T4679] dump_backtrace+0x0/0x458 [ 48.873790][ T4679] show_stack+0x2c/0x3c [ 48.874413][ T4679] __dump_stack+0x30/0x40 [ 48.875118][ T4679] dump_stack_lvl+0xf4/0x15c [ 48.875859][ T4679] dump_stack+0x1c/0x5c [ 48.876541][ T4679] should_fail+0x3bc/0x514 [ 48.877155][ T4679] __should_failslab+0xbc/0x10c [ 48.877895][ T4679] should_failslab+0x10/0x28 [ 48.878556][ T4679] slab_pre_alloc_hook+0x64/0xe8 [ 48.879290][ T4679] kmem_cache_alloc+0x94/0x3d4 [ 48.880035][ T4679] btrfs_alloc_path+0x5c/0x68 [ 48.880680][ T4679] __btrfs_unlink_inode+0x1dc/0xaec [ 48.881409][ T4679] btrfs_rename2+0x1bf8/0x307c [ 48.882118][ T4679] vfs_rename+0x95c/0xde0 [ 48.882761][ T4679] do_renameat2+0x774/0xcfc [ 48.883413][ T4679] __arm64_sys_renameat2+0xe0/0xfc [ 48.884149][ T4679] invoke_syscall+0x98/0x2b0 [ 48.884865][ T4679] el0_svc_common+0x138/0x258 [ 48.885549][ T4679] do_el0_svc+0x58/0x13c [ 48.886166][ T4679] el0_svc+0x78/0x1d0 [ 48.886781][ T4679] el0t_64_sync_handler+0xcc/0xe4 [ 48.887525][ T4679] el0t_64_sync+0x1a0/0x1a4 [ 48.891789][ T4679] ------------[ cut here ]------------ [ 48.892785][ T4679] WARNING: CPU: 1 PID: 4679 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 48.894131][ T4679] Modules linked in: [ 48.894800][ T4679] CPU: 1 PID: 4679 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.896215][ T4679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.897807][ T4679] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.899000][ T4679] pc : btrfs_rename2+0x26a8/0x307c [ 48.899760][ T4679] lr : btrfs_rename2+0x26a8/0x307c [ 48.900566][ T4679] sp : ffff80001fc67870 [ 48.901221][ T4679] x29: ffff80001fc67980 x28: ffff0000de5e2a98 x27: 0000000000000000 [ 48.902382][ T4679] x26: dfff800000000000 x25: ffff0000de78bfa0 x24: ffff0000d0c4a000 [ 48.903547][ T4679] x23: ffff0000de78bae0 x22: ffff80001430fcc0 x21: 1fffe0001bcc08e7 [ 48.904683][ T4679] x20: ffff0000de604738 x19: 00000000fffffff4 x18: 0000000000000001 [ 48.905804][ T4679] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 48.906973][ T4679] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 48.908171][ T4679] x11: 0000000000000000 x10: 0000000000000000 x9 : 8f7ecc6a1701ba00 [ 48.909369][ T4679] x8 : 8f7ecc6a1701ba00 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.910598][ T4679] x5 : ffff80001fc67178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 48.911765][ T4679] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.912912][ T4679] Call trace: [ 48.913387][ T4679] btrfs_rename2+0x26a8/0x307c [ 48.914048][ T4679] vfs_rename+0x95c/0xde0 [ 48.914640][ T4679] do_renameat2+0x774/0xcfc [ 48.915282][ T4679] __arm64_sys_renameat2+0xe0/0xfc [ 48.916069][ T4679] invoke_syscall+0x98/0x2b0 [ 48.916698][ T4679] el0_svc_common+0x138/0x258 [ 48.917350][ T4679] do_el0_svc+0x58/0x13c [ 48.917956][ T4679] el0_svc+0x78/0x1d0 [ 48.918496][ T4679] el0t_64_sync_handler+0xcc/0xe4 [ 48.919235][ T4679] el0t_64_sync+0x1a0/0x1a4 [ 48.919894][ T4679] irq event stamp: 79646 [ 48.920514][ T4679] hardirqs last enabled at (79645): [] __up_console_sem+0xb4/0xfc [ 48.921900][ T4679] hardirqs last disabled at (79646): [] el1_dbg+0x24/0x80 [ 48.923153][ T4679] softirqs last enabled at (79598): [] handle_softirqs+0xa40/0xbe4 [ 48.924486][ T4679] softirqs last disabled at (79529): [] __irq_exit_rcu+0x240/0x43c [ 48.925861][ T4679] ---[ end trace f29460aa6a3ebe6e ]--- [ 48.927931][ T4679] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 48.929351][ T4679] BTRFS info (device loop0): forced readonly [ 49.086149][ T4729] loop0: detected capacity change from 0 to 32768 [ 49.088610][ T4729] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4729) [ 49.091488][ T4729] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.093689][ T4729] BTRFS info (device loop0): using free space tree [ 49.095090][ T4729] BTRFS info (device loop0): has skinny extents [ 49.102261][ T4729] BTRFS info (device loop0): enabling ssd optimizations [ 49.107211][ T4729] FAULT_INJECTION: forcing a failure. [ 49.107211][ T4729] name failslab, interval 1, probability 0, space 0, times 0 [ 49.108962][ T4729] CPU: 0 PID: 4729 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.110297][ T4729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.111793][ T4729] Call trace: [ 49.112281][ T4729] dump_backtrace+0x0/0x458 [ 49.112911][ T4729] show_stack+0x2c/0x3c [ 49.113486][ T4729] __dump_stack+0x30/0x40 [ 49.114127][ T4729] dump_stack_lvl+0xf4/0x15c [ 49.114738][ T4729] dump_stack+0x1c/0x5c [ 49.115339][ T4729] should_fail+0x3bc/0x514 [ 49.115978][ T4729] __should_failslab+0xbc/0x10c [ 49.116702][ T4729] should_failslab+0x10/0x28 [ 49.117367][ T4729] slab_pre_alloc_hook+0x64/0xe8 [ 49.118087][ T4729] kmem_cache_alloc+0x94/0x3d4 [ 49.118809][ T4729] btrfs_alloc_path+0x5c/0x68 [ 49.119444][ T4729] __btrfs_unlink_inode+0x1dc/0xaec [ 49.120204][ T4729] btrfs_rename2+0x1bf8/0x307c [ 49.120966][ T4729] vfs_rename+0x95c/0xde0 [ 49.121656][ T4729] do_renameat2+0x774/0xcfc [ 49.122273][ T4729] __arm64_sys_renameat2+0xe0/0xfc [ 49.123002][ T4729] invoke_syscall+0x98/0x2b0 [ 49.123668][ T4729] el0_svc_common+0x138/0x258 [ 49.124366][ T4729] do_el0_svc+0x58/0x13c [ 49.125022][ T4729] el0_svc+0x78/0x1d0 [ 49.125611][ T4729] el0t_64_sync_handler+0xcc/0xe4 [ 49.126298][ T4729] el0t_64_sync+0x1a0/0x1a4 [ 49.129707][ T4729] ------------[ cut here ]------------ [ 49.130689][ T4729] WARNING: CPU: 0 PID: 4729 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 49.132085][ T4729] Modules linked in: [ 49.132655][ T4729] CPU: 0 PID: 4729 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.134059][ T4729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.135483][ T4729] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.136609][ T4729] pc : btrfs_rename2+0x26a8/0x307c [ 49.137370][ T4729] lr : btrfs_rename2+0x26a8/0x307c [ 49.138149][ T4729] sp : ffff80001f227870 [ 49.138753][ T4729] x29: ffff80001f227980 x28: ffff0000dc92d658 x27: 0000000000000000 [ 49.139899][ T4729] x26: dfff800000000000 x25: ffff0000e214fa80 x24: ffff0000d4ddc000 [ 49.141049][ T4729] x23: ffff0000e214f5c0 x22: ffff80001430fcc0 x21: 1fffe0001bcedce7 [ 49.142241][ T4729] x20: ffff0000de76e738 x19: 00000000fffffff4 x18: 0000000000000001 [ 49.143460][ T4729] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 49.144613][ T4729] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 49.145740][ T4729] x11: 0000000000000000 x10: 0000000000000000 x9 : fb42b5d9c7816300 [ 49.146974][ T4729] x8 : fb42b5d9c7816300 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.148208][ T4729] x5 : ffff80001f227178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 49.149344][ T4729] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.150533][ T4729] Call trace: [ 49.150993][ T4729] btrfs_rename2+0x26a8/0x307c [ 49.151698][ T4729] vfs_rename+0x95c/0xde0 [ 49.152349][ T4729] do_renameat2+0x774/0xcfc [ 49.152989][ T4729] __arm64_sys_renameat2+0xe0/0xfc [ 49.153694][ T4729] invoke_syscall+0x98/0x2b0 [ 49.154330][ T4729] el0_svc_common+0x138/0x258 [ 49.155012][ T4729] do_el0_svc+0x58/0x13c [ 49.155596][ T4729] el0_svc+0x78/0x1d0 [ 49.156160][ T4729] el0t_64_sync_handler+0xcc/0xe4 [ 49.156885][ T4729] el0t_64_sync+0x1a0/0x1a4 [ 49.157550][ T4729] irq event stamp: 78934 [ 49.158168][ T4729] hardirqs last enabled at (78933): [] __up_console_sem+0xb4/0xfc [ 49.159468][ T4729] hardirqs last disabled at (78934): [] el1_dbg+0x24/0x80 [ 49.160727][ T4729] softirqs last enabled at (78914): [] handle_softirqs+0xa40/0xbe4 [ 49.162026][ T4729] softirqs last disabled at (78877): [] __irq_exit_rcu+0x240/0x43c [ 49.163326][ T4729] ---[ end trace f29460aa6a3ebe6f ]--- [ 49.165048][ T4729] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 49.166524][ T4729] BTRFS info (device loop0): forced readonly [ 49.340929][ T4753] loop0: detected capacity change from 0 to 32768 [ 49.343792][ T4753] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4753) [ 49.347346][ T4753] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.348786][ T4753] BTRFS info (device loop0): using free space tree [ 49.349785][ T4753] BTRFS info (device loop0): has skinny extents [ 49.361609][ T4753] BTRFS info (device loop0): enabling ssd optimizations [ 49.367110][ T4753] FAULT_INJECTION: forcing a failure. [ 49.367110][ T4753] name failslab, interval 1, probability 0, space 0, times 0 [ 49.369167][ T4753] CPU: 0 PID: 4753 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.370487][ T4753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.371944][ T4753] Call trace: [ 49.372407][ T4753] dump_backtrace+0x0/0x458 [ 49.373018][ T4753] show_stack+0x2c/0x3c [ 49.373599][ T4753] __dump_stack+0x30/0x40 [ 49.374250][ T4753] dump_stack_lvl+0xf4/0x15c [ 49.374967][ T4753] dump_stack+0x1c/0x5c [ 49.375629][ T4753] should_fail+0x3bc/0x514 [ 49.376251][ T4753] __should_failslab+0xbc/0x10c [ 49.376909][ T4753] should_failslab+0x10/0x28 [ 49.377583][ T4753] slab_pre_alloc_hook+0x64/0xe8 [ 49.378303][ T4753] kmem_cache_alloc+0x94/0x3d4 [ 49.378996][ T4753] btrfs_alloc_path+0x5c/0x68 [ 49.379699][ T4753] btrfs_insert_inode_ref+0xf0/0xa2c [ 49.380445][ T4753] btrfs_rename2+0x1978/0x307c [ 49.381133][ T4753] vfs_rename+0x95c/0xde0 [ 49.381709][ T4753] do_renameat2+0x774/0xcfc [ 49.382304][ T4753] __arm64_sys_renameat2+0xe0/0xfc [ 49.383040][ T4753] invoke_syscall+0x98/0x2b0 [ 49.383692][ T4753] el0_svc_common+0x138/0x258 [ 49.384346][ T4753] do_el0_svc+0x58/0x13c [ 49.384965][ T4753] el0_svc+0x78/0x1d0 [ 49.385573][ T4753] el0t_64_sync_handler+0xcc/0xe4 [ 49.386270][ T4753] el0t_64_sync+0x1a0/0x1a4 [ 49.572292][ T4774] loop0: detected capacity change from 0 to 32768 [ 49.575262][ T4774] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4774) [ 49.578405][ T4774] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.580047][ T4774] BTRFS info (device loop0): using free space tree [ 49.581165][ T4774] BTRFS info (device loop0): has skinny extents [ 49.590221][ T4774] BTRFS info (device loop0): enabling ssd optimizations [ 49.597071][ T4774] FAULT_INJECTION: forcing a failure. [ 49.597071][ T4774] name failslab, interval 1, probability 0, space 0, times 0 [ 49.599226][ T4774] CPU: 1 PID: 4774 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.600600][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.602192][ T4774] Call trace: [ 49.602714][ T4774] dump_backtrace+0x0/0x458 [ 49.603424][ T4774] show_stack+0x2c/0x3c [ 49.604058][ T4774] __dump_stack+0x30/0x40 [ 49.604736][ T4774] dump_stack_lvl+0xf4/0x15c [ 49.605442][ T4774] dump_stack+0x1c/0x5c [ 49.606060][ T4774] should_fail+0x3bc/0x514 [ 49.606782][ T4774] __should_failslab+0xbc/0x10c [ 49.607518][ T4774] should_failslab+0x10/0x28 [ 49.608159][ T4774] slab_pre_alloc_hook+0x64/0xe8 [ 49.608920][ T4774] kmem_cache_alloc+0x94/0x3d4 [ 49.609644][ T4774] btrfs_alloc_path+0x5c/0x68 [ 49.610333][ T4774] btrfs_insert_inode_ref+0xf0/0xa2c [ 49.611107][ T4774] btrfs_rename2+0x1978/0x307c [ 49.611865][ T4774] vfs_rename+0x95c/0xde0 [ 49.612462][ T4774] do_renameat2+0x774/0xcfc [ 49.613111][ T4774] __arm64_sys_renameat2+0xe0/0xfc [ 49.613851][ T4774] invoke_syscall+0x98/0x2b0 [ 49.614491][ T4774] el0_svc_common+0x138/0x258 [ 49.615221][ T4774] do_el0_svc+0x58/0x13c [ 49.615843][ T4774] el0_svc+0x78/0x1d0 [ 49.616417][ T4774] el0t_64_sync_handler+0xcc/0xe4 [ 49.617150][ T4774] el0t_64_sync+0x1a0/0x1a4 [ 49.790654][ T4795] loop0: detected capacity change from 0 to 32768 [ 49.793126][ T4795] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4795) [ 49.797238][ T4795] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.798853][ T4795] BTRFS info (device loop0): using free space tree [ 49.799789][ T4795] BTRFS info (device loop0): has skinny extents [ 49.808310][ T4795] BTRFS info (device loop0): enabling ssd optimizations [ 49.813195][ T4795] FAULT_INJECTION: forcing a failure. [ 49.813195][ T4795] name failslab, interval 1, probability 0, space 0, times 0 [ 49.815459][ T4795] CPU: 0 PID: 4795 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.816858][ T4795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.818417][ T4795] Call trace: [ 49.818935][ T4795] dump_backtrace+0x0/0x458 [ 49.819589][ T4795] show_stack+0x2c/0x3c [ 49.820230][ T4795] __dump_stack+0x30/0x40 [ 49.820868][ T4795] dump_stack_lvl+0xf4/0x15c [ 49.821524][ T4795] dump_stack+0x1c/0x5c [ 49.822140][ T4795] should_fail+0x3bc/0x514 [ 49.822787][ T4795] __should_failslab+0xbc/0x10c [ 49.823516][ T4795] should_failslab+0x10/0x28 [ 49.824212][ T4795] slab_pre_alloc_hook+0x64/0xe8 [ 49.824940][ T4795] kmem_cache_alloc+0x94/0x3d4 [ 49.825618][ T4795] btrfs_alloc_path+0x5c/0x68 [ 49.826266][ T4795] __btrfs_unlink_inode+0x1dc/0xaec [ 49.827028][ T4795] btrfs_rename2+0x1bf8/0x307c [ 49.827725][ T4795] vfs_rename+0x95c/0xde0 [ 49.828371][ T4795] do_renameat2+0x774/0xcfc [ 49.828997][ T4795] __arm64_sys_renameat2+0xe0/0xfc [ 49.829732][ T4795] invoke_syscall+0x98/0x2b0 [ 49.830427][ T4795] el0_svc_common+0x138/0x258 [ 49.831106][ T4795] do_el0_svc+0x58/0x13c [ 49.831708][ T4795] el0_svc+0x78/0x1d0 [ 49.832231][ T4795] el0t_64_sync_handler+0xcc/0xe4 [ 49.832945][ T4795] el0t_64_sync+0x1a0/0x1a4 [ 49.834473][ T4795] ------------[ cut here ]------------ [ 49.835353][ T4795] WARNING: CPU: 0 PID: 4795 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 49.836667][ T4795] Modules linked in: [ 49.837202][ T4795] CPU: 0 PID: 4795 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.838504][ T4795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.839870][ T4795] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.840989][ T4795] pc : btrfs_rename2+0x26a8/0x307c [ 49.841674][ T4795] lr : btrfs_rename2+0x26a8/0x307c [ 49.842337][ T4795] sp : ffff80001e9a7870 [ 49.842974][ T4795] x29: ffff80001e9a7980 x28: ffff0000de75cc10 x27: 0000000000000000 [ 49.844058][ T4795] x26: dfff800000000000 x25: ffff0000de5cbfa0 x24: ffff0000e49ec000 [ 49.845228][ T4795] x23: ffff0000de5cbae0 x22: ffff80001430fcc0 x21: 1fffe0001bcedd97 [ 49.846386][ T4795] x20: ffff0000de76ecb8 x19: 00000000fffffff4 x18: 0000000000000001 [ 49.847589][ T4795] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 49.848775][ T4795] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 49.849939][ T4795] x11: 0000000000000000 x10: 0000000000000000 x9 : 6652fa6cb20e6200 [ 49.851069][ T4795] x8 : 6652fa6cb20e6200 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.852177][ T4795] x5 : ffff80001e9a7178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 49.853298][ T4795] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.854424][ T4795] Call trace: [ 49.854859][ T4795] btrfs_rename2+0x26a8/0x307c [ 49.855527][ T4795] vfs_rename+0x95c/0xde0 [ 49.856116][ T4795] do_renameat2+0x774/0xcfc [ 49.856743][ T4795] __arm64_sys_renameat2+0xe0/0xfc [ 49.857430][ T4795] invoke_syscall+0x98/0x2b0 [ 49.858079][ T4795] el0_svc_common+0x138/0x258 [ 49.858772][ T4795] do_el0_svc+0x58/0x13c [ 49.859371][ T4795] el0_svc+0x78/0x1d0 [ 49.859948][ T4795] el0t_64_sync_handler+0xcc/0xe4 [ 49.860701][ T4795] el0t_64_sync+0x1a0/0x1a4 [ 49.861370][ T4795] irq event stamp: 78820 [ 49.862018][ T4795] hardirqs last enabled at (78819): [] __up_console_sem+0xb4/0xfc [ 49.863406][ T4795] hardirqs last disabled at (78820): [] el1_dbg+0x24/0x80 [ 49.864596][ T4795] softirqs last enabled at (78800): [] handle_softirqs+0xa40/0xbe4 [ 49.865871][ T4795] softirqs last disabled at (78783): [] __irq_exit_rcu+0x240/0x43c [ 49.867204][ T4795] ---[ end trace f29460aa6a3ebe70 ]--- [ 49.869079][ T4795] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 49.870466][ T4795] BTRFS info (device loop0): forced readonly [ 50.035399][ T4816] loop0: detected capacity change from 0 to 32768 [ 50.037902][ T4816] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4816) [ 50.041078][ T4816] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.042598][ T4816] BTRFS info (device loop0): using free space tree [ 50.043554][ T4816] BTRFS info (device loop0): has skinny extents [ 50.058804][ T4816] BTRFS info (device loop0): enabling ssd optimizations [ 50.065053][ T4816] FAULT_INJECTION: forcing a failure. [ 50.065053][ T4816] name failslab, interval 1, probability 0, space 0, times 0 [ 50.067187][ T4816] CPU: 1 PID: 4816 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.068565][ T4816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.070199][ T4816] Call trace: [ 50.070707][ T4816] dump_backtrace+0x0/0x458 [ 50.071421][ T4816] show_stack+0x2c/0x3c [ 50.072048][ T4816] __dump_stack+0x30/0x40 [ 50.072678][ T4816] dump_stack_lvl+0xf4/0x15c [ 50.073362][ T4816] dump_stack+0x1c/0x5c [ 50.073916][ T4816] should_fail+0x3bc/0x514 [ 50.074583][ T4816] __should_failslab+0xbc/0x10c [ 50.075276][ T4816] should_failslab+0x10/0x28 [ 50.075909][ T4816] slab_pre_alloc_hook+0x64/0xe8 [ 50.076645][ T4816] kmem_cache_alloc+0x94/0x3d4 [ 50.077325][ T4816] btrfs_alloc_path+0x5c/0x68 [ 50.078045][ T4816] __btrfs_unlink_inode+0x1dc/0xaec [ 50.078800][ T4816] btrfs_rename2+0x1bf8/0x307c [ 50.079485][ T4816] vfs_rename+0x95c/0xde0 [ 50.080139][ T4816] do_renameat2+0x774/0xcfc [ 50.080826][ T4816] __arm64_sys_renameat2+0xe0/0xfc [ 50.081588][ T4816] invoke_syscall+0x98/0x2b0 [ 50.082235][ T4816] el0_svc_common+0x138/0x258 [ 50.082924][ T4816] do_el0_svc+0x58/0x13c [ 50.083555][ T4816] el0_svc+0x78/0x1d0 [ 50.084130][ T4816] el0t_64_sync_handler+0xcc/0xe4 [ 50.084799][ T4816] el0t_64_sync+0x1a0/0x1a4 [ 50.087011][ T4816] ------------[ cut here ]------------ [ 50.087974][ T4816] WARNING: CPU: 1 PID: 4816 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 50.089385][ T4816] Modules linked in: [ 50.090002][ T4816] CPU: 1 PID: 4816 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.091365][ T4816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.092820][ T4816] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.093936][ T4816] pc : btrfs_rename2+0x26a8/0x307c [ 50.094698][ T4816] lr : btrfs_rename2+0x26a8/0x307c [ 50.095497][ T4816] sp : ffff80001ff97870 [ 50.096086][ T4816] x29: ffff80001ff97980 x28: ffff0000d8b6c7a8 x27: 0000000000000000 [ 50.097221][ T4816] x26: dfff800000000000 x25: ffff0000de599860 x24: ffff0000d8400000 [ 50.098349][ T4816] x23: ffff0000de5993a0 x22: ffff80001430fcc0 x21: 1fffe0001bcc0997 [ 50.099518][ T4816] x20: ffff0000de604cb8 x19: 00000000fffffff4 x18: 0000000000000001 [ 50.100684][ T4816] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 50.101861][ T4816] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 50.103041][ T4816] x11: 0000000000000000 x10: 0000000000000000 x9 : 13fe265f42c0e700 [ 50.104179][ T4816] x8 : 13fe265f42c0e700 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.105271][ T4816] x5 : ffff80001ff97178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 50.106467][ T4816] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.107642][ T4816] Call trace: [ 50.108128][ T4816] btrfs_rename2+0x26a8/0x307c [ 50.108765][ T4816] vfs_rename+0x95c/0xde0 [ 50.109362][ T4816] do_renameat2+0x774/0xcfc [ 50.110021][ T4816] __arm64_sys_renameat2+0xe0/0xfc [ 50.110727][ T4816] invoke_syscall+0x98/0x2b0 [ 50.111371][ T4816] el0_svc_common+0x138/0x258 [ 50.112113][ T4816] do_el0_svc+0x58/0x13c [ 50.112731][ T4816] el0_svc+0x78/0x1d0 [ 50.113311][ T4816] el0t_64_sync_handler+0xcc/0xe4 [ 50.114019][ T4816] el0t_64_sync+0x1a0/0x1a4 [ 50.114701][ T4816] irq event stamp: 79462 [ 50.115325][ T4816] hardirqs last enabled at (79461): [] __up_console_sem+0xb4/0xfc [ 50.116771][ T4816] hardirqs last disabled at (79462): [] el1_dbg+0x24/0x80 [ 50.118038][ T4816] softirqs last enabled at (79442): [] handle_softirqs+0xa40/0xbe4 [ 50.119324][ T4816] softirqs last disabled at (79325): [] __irq_exit_rcu+0x240/0x43c [ 50.120662][ T4816] ---[ end trace f29460aa6a3ebe71 ]--- [ 50.122390][ T4816] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 50.123883][ T4816] BTRFS info (device loop0): forced readonly [ 50.164890][ T4550] Bluetooth: hci0: command 0x041b tx timeout [ 50.288140][ T4837] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4837) [ 50.292115][ T4837] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.293670][ T4837] BTRFS info (device loop0): using free space tree [ 50.294840][ T4837] BTRFS info (device loop0): has skinny extents [ 50.302747][ T4837] BTRFS info (device loop0): enabling ssd optimizations [ 50.308754][ T4837] FAULT_INJECTION: forcing a failure. [ 50.308754][ T4837] name failslab, interval 1, probability 0, space 0, times 0 [ 50.310898][ T4837] CPU: 1 PID: 4837 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.312174][ T4837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.313682][ T4837] Call trace: [ 50.314184][ T4837] dump_backtrace+0x0/0x458 [ 50.314908][ T4837] show_stack+0x2c/0x3c [ 50.315520][ T4837] __dump_stack+0x30/0x40 [ 50.316153][ T4837] dump_stack_lvl+0xf4/0x15c [ 50.316824][ T4837] dump_stack+0x1c/0x5c [ 50.317484][ T4837] should_fail+0x3bc/0x514 [ 50.318143][ T4837] __should_failslab+0xbc/0x10c [ 50.318898][ T4837] should_failslab+0x10/0x28 [ 50.319598][ T4837] slab_pre_alloc_hook+0x64/0xe8 [ 50.320371][ T4837] kmem_cache_alloc+0x94/0x3d4 [ 50.321070][ T4837] btrfs_alloc_path+0x5c/0x68 [ 50.321855][ T4837] __btrfs_unlink_inode+0x1dc/0xaec [ 50.322619][ T4837] btrfs_rename2+0x1bf8/0x307c [ 50.323332][ T4837] vfs_rename+0x95c/0xde0 [ 50.323967][ T4837] do_renameat2+0x774/0xcfc [ 50.324643][ T4837] __arm64_sys_renameat2+0xe0/0xfc [ 50.325407][ T4837] invoke_syscall+0x98/0x2b0 [ 50.326054][ T4837] el0_svc_common+0x138/0x258 [ 50.326742][ T4837] do_el0_svc+0x58/0x13c [ 50.327436][ T4837] el0_svc+0x78/0x1d0 [ 50.328085][ T4837] el0t_64_sync_handler+0xcc/0xe4 [ 50.328882][ T4837] el0t_64_sync+0x1a0/0x1a4 [ 50.334827][ T4837] ------------[ cut here ]------------ [ 50.335774][ T4837] WARNING: CPU: 1 PID: 4837 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 50.337136][ T4837] Modules linked in: [ 50.337682][ T4837] CPU: 1 PID: 4837 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.339109][ T4837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.340652][ T4837] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.341712][ T4837] pc : btrfs_rename2+0x26a8/0x307c [ 50.342423][ T4837] lr : btrfs_rename2+0x26a8/0x307c [ 50.343183][ T4837] sp : ffff8000203b7870 [ 50.343792][ T4837] x29: ffff8000203b7980 x28: ffff0000e20bd078 x27: 0000000000000000 [ 50.345075][ T4837] x26: dfff800000000000 x25: ffff0000de59bfa0 x24: ffff0000d94e4000 [ 50.346276][ T4837] x23: ffff0000de59bae0 x22: ffff80001430fcc0 x21: 1fffe0001bcc09d9 [ 50.347478][ T4837] x20: ffff0000de604ec8 x19: 00000000fffffff4 x18: 0000000000000001 [ 50.348607][ T4837] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 50.349799][ T4837] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 50.350909][ T4837] x11: 0000000000000000 x10: 0000000000000000 x9 : a26b72cd67631200 [ 50.352060][ T4837] x8 : a26b72cd67631200 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.353232][ T4837] x5 : ffff8000203b7178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 50.354327][ T4837] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.355450][ T4837] Call trace: [ 50.355905][ T4837] btrfs_rename2+0x26a8/0x307c [ 50.356572][ T4837] vfs_rename+0x95c/0xde0 [ 50.357265][ T4837] do_renameat2+0x774/0xcfc [ 50.357942][ T4837] __arm64_sys_renameat2+0xe0/0xfc [ 50.358626][ T4837] invoke_syscall+0x98/0x2b0 [ 50.359309][ T4837] el0_svc_common+0x138/0x258 [ 50.359924][ T4837] do_el0_svc+0x58/0x13c [ 50.360484][ T4837] el0_svc+0x78/0x1d0 [ 50.361047][ T4837] el0t_64_sync_handler+0xcc/0xe4 [ 50.361804][ T4837] el0t_64_sync+0x1a0/0x1a4 [ 50.362470][ T4837] irq event stamp: 79670 [ 50.363080][ T4837] hardirqs last enabled at (79669): [] __up_console_sem+0xb4/0xfc [ 50.364399][ T4837] hardirqs last disabled at (79670): [] el1_dbg+0x24/0x80 [ 50.365661][ T4837] softirqs last enabled at (79650): [] handle_softirqs+0xa40/0xbe4 [ 50.367024][ T4837] softirqs last disabled at (79629): [] __irq_exit_rcu+0x240/0x43c [ 50.368389][ T4837] ---[ end trace f29460aa6a3ebe72 ]--- [ 50.370166][ T4837] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 50.371595][ T4837] BTRFS info (device loop0): forced readonly [ 50.542336][ T4858] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4858) [ 50.546762][ T4858] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.548343][ T4858] BTRFS info (device loop0): using free space tree [ 50.549357][ T4858] BTRFS info (device loop0): has skinny extents [ 50.557435][ T4858] BTRFS info (device loop0): enabling ssd optimizations [ 50.562559][ T4858] FAULT_INJECTION: forcing a failure. [ 50.562559][ T4858] name failslab, interval 1, probability 0, space 0, times 0 [ 50.564699][ T4858] CPU: 1 PID: 4858 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.565987][ T4858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.567439][ T4858] Call trace: [ 50.567936][ T4858] dump_backtrace+0x0/0x458 [ 50.568634][ T4858] show_stack+0x2c/0x3c [ 50.569247][ T4858] __dump_stack+0x30/0x40 [ 50.569896][ T4858] dump_stack_lvl+0xf4/0x15c [ 50.570608][ T4858] dump_stack+0x1c/0x5c [ 50.571284][ T4858] should_fail+0x3bc/0x514 [ 50.571921][ T4858] __should_failslab+0xbc/0x10c [ 50.572629][ T4858] should_failslab+0x10/0x28 [ 50.573295][ T4858] slab_pre_alloc_hook+0x64/0xe8 [ 50.573999][ T4858] kmem_cache_alloc+0x94/0x3d4 [ 50.574704][ T4858] btrfs_alloc_path+0x5c/0x68 [ 50.575407][ T4858] btrfs_insert_inode_ref+0xf0/0xa2c [ 50.576193][ T4858] btrfs_rename2+0x1978/0x307c [ 50.576948][ T4858] vfs_rename+0x95c/0xde0 [ 50.577573][ T4858] do_renameat2+0x774/0xcfc [ 50.578223][ T4858] __arm64_sys_renameat2+0xe0/0xfc [ 50.578971][ T4858] invoke_syscall+0x98/0x2b0 [ 50.579634][ T4858] el0_svc_common+0x138/0x258 [ 50.580312][ T4858] do_el0_svc+0x58/0x13c [ 50.581065][ T4858] el0_svc+0x78/0x1d0 [ 50.581602][ T4858] el0t_64_sync_handler+0xcc/0xe4 [ 50.582405][ T4858] el0t_64_sync+0x1a0/0x1a4 [ 50.761610][ T4879] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4879) [ 50.765341][ T4879] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.766937][ T4879] BTRFS info (device loop0): using free space tree [ 50.767895][ T4879] BTRFS info (device loop0): has skinny extents [ 50.776302][ T4879] BTRFS info (device loop0): enabling ssd optimizations [ 50.780735][ T4879] FAULT_INJECTION: forcing a failure. [ 50.780735][ T4879] name failslab, interval 1, probability 0, space 0, times 0 [ 50.782720][ T4879] CPU: 0 PID: 4879 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.784161][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.785748][ T4879] Call trace: [ 50.786218][ T4879] dump_backtrace+0x0/0x458 [ 50.786875][ T4879] show_stack+0x2c/0x3c [ 50.787462][ T4879] __dump_stack+0x30/0x40 [ 50.788076][ T4879] dump_stack_lvl+0xf4/0x15c [ 50.788791][ T4879] dump_stack+0x1c/0x5c [ 50.789397][ T4879] should_fail+0x3bc/0x514 [ 50.790034][ T4879] __should_failslab+0xbc/0x10c [ 50.790770][ T4879] should_failslab+0x10/0x28 [ 50.791482][ T4879] slab_pre_alloc_hook+0x64/0xe8 [ 50.792219][ T4879] kmem_cache_alloc+0x94/0x3d4 [ 50.792929][ T4879] btrfs_alloc_path+0x5c/0x68 [ 50.793614][ T4879] btrfs_insert_inode_ref+0xf0/0xa2c [ 50.794398][ T4879] btrfs_rename2+0x1978/0x307c [ 50.795056][ T4879] vfs_rename+0x95c/0xde0 [ 50.795711][ T4879] do_renameat2+0x774/0xcfc [ 50.796403][ T4879] __arm64_sys_renameat2+0xe0/0xfc [ 50.797168][ T4879] invoke_syscall+0x98/0x2b0 [ 50.797849][ T4879] el0_svc_common+0x138/0x258 [ 50.798533][ T4879] do_el0_svc+0x58/0x13c [ 50.799200][ T4879] el0_svc+0x78/0x1d0 [ 50.799801][ T4879] el0t_64_sync_handler+0xcc/0xe4 [ 50.800562][ T4879] el0t_64_sync+0x1a0/0x1a4 [ 50.943139][ T4901] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4901) [ 50.947081][ T4901] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 50.948980][ T4901] BTRFS info (device loop0): using free space tree [ 50.949911][ T4901] BTRFS info (device loop0): has skinny extents [ 50.961917][ T4901] BTRFS info (device loop0): enabling ssd optimizations [ 50.967164][ T4901] FAULT_INJECTION: forcing a failure. [ 50.967164][ T4901] name failslab, interval 1, probability 0, space 0, times 0 [ 50.969253][ T4901] CPU: 0 PID: 4901 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.970551][ T4901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.972059][ T4901] Call trace: [ 50.972538][ T4901] dump_backtrace+0x0/0x458 [ 50.973223][ T4901] show_stack+0x2c/0x3c [ 50.973844][ T4901] __dump_stack+0x30/0x40 [ 50.974472][ T4901] dump_stack_lvl+0xf4/0x15c [ 50.975149][ T4901] dump_stack+0x1c/0x5c [ 50.975764][ T4901] should_fail+0x3bc/0x514 [ 50.976434][ T4901] __should_failslab+0xbc/0x10c [ 50.977178][ T4901] should_failslab+0x10/0x28 [ 50.977823][ T4901] slab_pre_alloc_hook+0x64/0xe8 [ 50.978503][ T4901] kmem_cache_alloc+0x94/0x3d4 [ 50.979202][ T4901] btrfs_alloc_path+0x5c/0x68 [ 50.979910][ T4901] __btrfs_unlink_inode+0x1dc/0xaec [ 50.980709][ T4901] btrfs_rename2+0x1bf8/0x307c [ 50.981444][ T4901] vfs_rename+0x95c/0xde0 [ 50.982090][ T4901] do_renameat2+0x774/0xcfc [ 50.982779][ T4901] __arm64_sys_renameat2+0xe0/0xfc [ 50.983499][ T4901] invoke_syscall+0x98/0x2b0 [ 50.984171][ T4901] el0_svc_common+0x138/0x258 [ 50.984893][ T4901] do_el0_svc+0x58/0x13c [ 50.985512][ T4901] el0_svc+0x78/0x1d0 [ 50.986083][ T4901] el0t_64_sync_handler+0xcc/0xe4 [ 50.986769][ T4901] el0t_64_sync+0x1a0/0x1a4 [ 50.988801][ T4901] ------------[ cut here ]------------ [ 50.989770][ T4901] WARNING: CPU: 0 PID: 4901 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 50.991248][ T4901] Modules linked in: [ 50.991875][ T4901] CPU: 0 PID: 4901 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.993299][ T4901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.994707][ T4901] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.995858][ T4901] pc : btrfs_rename2+0x26a8/0x307c [ 50.996626][ T4901] lr : btrfs_rename2+0x26a8/0x307c [ 50.997346][ T4901] sp : ffff8000200b7870 [ 50.997949][ T4901] x29: ffff8000200b7980 x28: ffff0000d8b5e920 x27: 0000000000000000 [ 50.999131][ T4901] x26: dfff800000000000 x25: ffff0000de650e90 x24: ffff0000c2f4c000 [ 51.000307][ T4901] x23: ffff0000de6509d0 x22: ffff80001430fcc0 x21: 1fffe0001bceddef [ 51.001523][ T4901] x20: ffff0000de76ef78 x19: 00000000fffffff4 x18: 0000000000000001 [ 51.002718][ T4901] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 51.003811][ T4901] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 51.004917][ T4901] x11: 0000000000000000 x10: 0000000000000000 x9 : ee6ccafc6628af00 [ 51.006130][ T4901] x8 : ee6ccafc6628af00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.007295][ T4901] x5 : ffff8000200b7178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 51.008491][ T4901] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.009625][ T4901] Call trace: [ 51.010054][ T4901] btrfs_rename2+0x26a8/0x307c [ 51.010715][ T4901] vfs_rename+0x95c/0xde0 [ 51.011321][ T4901] do_renameat2+0x774/0xcfc [ 51.011972][ T4901] __arm64_sys_renameat2+0xe0/0xfc [ 51.012728][ T4901] invoke_syscall+0x98/0x2b0 [ 51.013435][ T4901] el0_svc_common+0x138/0x258 [ 51.014162][ T4901] do_el0_svc+0x58/0x13c [ 51.014771][ T4901] el0_svc+0x78/0x1d0 [ 51.015362][ T4901] el0t_64_sync_handler+0xcc/0xe4 [ 51.016051][ T4901] el0t_64_sync+0x1a0/0x1a4 [ 51.016708][ T4901] irq event stamp: 79822 [ 51.017348][ T4901] hardirqs last enabled at (79821): [] __up_console_sem+0xb4/0xfc [ 51.018662][ T4901] hardirqs last disabled at (79822): [] el1_dbg+0x24/0x80 [ 51.019885][ T4901] softirqs last enabled at (79802): [] handle_softirqs+0xa40/0xbe4 [ 51.021226][ T4901] softirqs last disabled at (79735): [] __irq_exit_rcu+0x240/0x43c [ 51.022525][ T4901] ---[ end trace f29460aa6a3ebe73 ]--- [ 51.024161][ T4901] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 51.025613][ T4901] BTRFS info (device loop0): forced readonly [ 51.203314][ T4922] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4922) [ 51.207501][ T4922] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.209228][ T4922] BTRFS info (device loop0): using free space tree [ 51.210359][ T4922] BTRFS info (device loop0): has skinny extents [ 51.223163][ T4922] BTRFS info (device loop0): enabling ssd optimizations [ 51.228109][ T4922] FAULT_INJECTION: forcing a failure. [ 51.228109][ T4922] name failslab, interval 1, probability 0, space 0, times 0 [ 51.230231][ T4922] CPU: 1 PID: 4922 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.231584][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.233204][ T4922] Call trace: [ 51.233700][ T4922] dump_backtrace+0x0/0x458 [ 51.234389][ T4922] show_stack+0x2c/0x3c [ 51.235023][ T4922] __dump_stack+0x30/0x40 [ 51.235654][ T4922] dump_stack_lvl+0xf4/0x15c [ 51.236390][ T4922] dump_stack+0x1c/0x5c [ 51.237016][ T4922] should_fail+0x3bc/0x514 [ 51.237700][ T4922] __should_failslab+0xbc/0x10c [ 51.238462][ T4922] should_failslab+0x10/0x28 [ 51.239172][ T4922] slab_pre_alloc_hook+0x64/0xe8 [ 51.239931][ T4922] kmem_cache_alloc+0x94/0x3d4 [ 51.240645][ T4922] btrfs_alloc_path+0x5c/0x68 [ 51.241352][ T4922] btrfs_insert_inode_ref+0xf0/0xa2c [ 51.242131][ T4922] btrfs_rename2+0x1978/0x307c [ 51.242852][ T4922] vfs_rename+0x95c/0xde0 [ 51.243443][ T4922] do_renameat2+0x774/0xcfc [ 51.244082][ T4922] __arm64_sys_renameat2+0xe0/0xfc [ 51.244834][ T4922] invoke_syscall+0x98/0x2b0 [ 51.245533][ T4922] el0_svc_common+0x138/0x258 [ 51.246302][ T4922] do_el0_svc+0x58/0x13c [ 51.246905][ T4922] el0_svc+0x78/0x1d0 [ 51.247540][ T4922] el0t_64_sync_handler+0xcc/0xe4 [ 51.248303][ T4922] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:51 executed programs: 15 [ 51.449427][ T4943] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4943) [ 51.453951][ T4943] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.455822][ T4943] BTRFS info (device loop0): using free space tree [ 51.456861][ T4943] BTRFS info (device loop0): has skinny extents [ 51.464198][ T4943] BTRFS info (device loop0): enabling ssd optimizations [ 51.478053][ T4943] FAULT_INJECTION: forcing a failure. [ 51.478053][ T4943] name failslab, interval 1, probability 0, space 0, times 0 [ 51.480008][ T4943] CPU: 0 PID: 4943 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.481366][ T4943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.482742][ T4943] Call trace: [ 51.483174][ T4943] dump_backtrace+0x0/0x458 [ 51.483775][ T4943] show_stack+0x2c/0x3c [ 51.484340][ T4943] __dump_stack+0x30/0x40 [ 51.484963][ T4943] dump_stack_lvl+0xf4/0x15c [ 51.485611][ T4943] dump_stack+0x1c/0x5c [ 51.486188][ T4943] should_fail+0x3bc/0x514 [ 51.486828][ T4943] __should_failslab+0xbc/0x10c [ 51.487513][ T4943] should_failslab+0x10/0x28 [ 51.488200][ T4943] slab_pre_alloc_hook+0x64/0xe8 [ 51.488880][ T4943] kmem_cache_alloc+0x94/0x3d4 [ 51.489549][ T4943] btrfs_alloc_path+0x5c/0x68 [ 51.490202][ T4943] btrfs_insert_inode_ref+0xf0/0xa2c [ 51.490958][ T4943] btrfs_rename2+0x1978/0x307c [ 51.491623][ T4943] vfs_rename+0x95c/0xde0 [ 51.492219][ T4943] do_renameat2+0x774/0xcfc [ 51.492868][ T4943] __arm64_sys_renameat2+0xe0/0xfc [ 51.493586][ T4943] invoke_syscall+0x98/0x2b0 [ 51.494238][ T4943] el0_svc_common+0x138/0x258 [ 51.494891][ T4943] do_el0_svc+0x58/0x13c [ 51.495516][ T4943] el0_svc+0x78/0x1d0 [ 51.496095][ T4943] el0t_64_sync_handler+0xcc/0xe4 [ 51.496823][ T4943] el0t_64_sync+0x1a0/0x1a4 [ 51.674865][ T4964] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4964) [ 51.678068][ T4964] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.679726][ T4964] BTRFS info (device loop0): using free space tree [ 51.680705][ T4964] BTRFS info (device loop0): has skinny extents [ 51.698408][ T4964] BTRFS info (device loop0): enabling ssd optimizations [ 51.703833][ T4964] FAULT_INJECTION: forcing a failure. [ 51.703833][ T4964] name failslab, interval 1, probability 0, space 0, times 0 [ 51.706605][ T4964] CPU: 0 PID: 4964 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.708052][ T4964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.709639][ T4964] Call trace: [ 51.710138][ T4964] dump_backtrace+0x0/0x458 [ 51.710818][ T4964] show_stack+0x2c/0x3c [ 51.711404][ T4964] __dump_stack+0x30/0x40 [ 51.712023][ T4964] dump_stack_lvl+0xf4/0x15c [ 51.712715][ T4964] dump_stack+0x1c/0x5c [ 51.713348][ T4964] should_fail+0x3bc/0x514 [ 51.714031][ T4964] __should_failslab+0xbc/0x10c [ 51.714716][ T4964] should_failslab+0x10/0x28 [ 51.715385][ T4964] slab_pre_alloc_hook+0x64/0xe8 [ 51.716116][ T4964] kmem_cache_alloc+0x94/0x3d4 [ 51.716812][ T4964] btrfs_alloc_path+0x5c/0x68 [ 51.717455][ T4964] __btrfs_unlink_inode+0x1dc/0xaec [ 51.718234][ T4964] btrfs_rename2+0x1bf8/0x307c [ 51.718924][ T4964] vfs_rename+0x95c/0xde0 [ 51.719548][ T4964] do_renameat2+0x774/0xcfc [ 51.720198][ T4964] __arm64_sys_renameat2+0xe0/0xfc [ 51.720938][ T4964] invoke_syscall+0x98/0x2b0 [ 51.721598][ T4964] el0_svc_common+0x138/0x258 [ 51.722248][ T4964] do_el0_svc+0x58/0x13c [ 51.722857][ T4964] el0_svc+0x78/0x1d0 [ 51.723417][ T4964] el0t_64_sync_handler+0xcc/0xe4 [ 51.724160][ T4964] el0t_64_sync+0x1a0/0x1a4 [ 51.725583][ T4964] ------------[ cut here ]------------ [ 51.726610][ T4964] WARNING: CPU: 0 PID: 4964 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 51.727948][ T4964] Modules linked in: [ 51.728512][ T4964] CPU: 0 PID: 4964 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.729861][ T4964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.731322][ T4964] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.732473][ T4964] pc : btrfs_rename2+0x26a8/0x307c [ 51.733204][ T4964] lr : btrfs_rename2+0x26a8/0x307c [ 51.733947][ T4964] sp : ffff80001e9a7870 [ 51.734538][ T4964] x29: ffff80001e9a7980 x28: ffff0000de754050 x27: 0000000000000000 [ 51.735785][ T4964] x26: dfff800000000000 x25: ffff0000de655d10 x24: ffff0000cb8ba000 [ 51.736934][ T4964] x23: ffff0000de655850 x22: ffff80001430fcc0 x21: 1fffe0001b975a63 [ 51.738136][ T4964] x20: ffff0000dcbad318 x19: 00000000fffffff4 x18: 0000000000000001 [ 51.739329][ T4964] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 51.740499][ T4964] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 51.741700][ T4964] x11: 0000000000000000 x10: 0000000000000000 x9 : 5f6dc9ff7e815400 [ 51.742914][ T4964] x8 : 5f6dc9ff7e815400 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.744099][ T4964] x5 : ffff80001e9a7178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 51.745340][ T4964] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.746492][ T4964] Call trace: [ 51.746988][ T4964] btrfs_rename2+0x26a8/0x307c [ 51.747716][ T4964] vfs_rename+0x95c/0xde0 [ 51.748372][ T4964] do_renameat2+0x774/0xcfc [ 51.749033][ T4964] __arm64_sys_renameat2+0xe0/0xfc [ 51.749781][ T4964] invoke_syscall+0x98/0x2b0 [ 51.750442][ T4964] el0_svc_common+0x138/0x258 [ 51.751108][ T4964] do_el0_svc+0x58/0x13c [ 51.751717][ T4964] el0_svc+0x78/0x1d0 [ 51.752262][ T4964] el0t_64_sync_handler+0xcc/0xe4 [ 51.752986][ T4964] el0t_64_sync+0x1a0/0x1a4 [ 51.753664][ T4964] irq event stamp: 79672 [ 51.754328][ T4964] hardirqs last enabled at (79671): [] __up_console_sem+0xb4/0xfc [ 51.755655][ T4964] hardirqs last disabled at (79672): [] el1_dbg+0x24/0x80 [ 51.756887][ T4964] softirqs last enabled at (79652): [] handle_softirqs+0xa40/0xbe4 [ 51.758328][ T4964] softirqs last disabled at (79629): [] __irq_exit_rcu+0x240/0x43c [ 51.759769][ T4964] ---[ end trace f29460aa6a3ebe74 ]--- [ 51.761458][ T4964] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 51.762972][ T4964] BTRFS info (device loop0): forced readonly [ 51.953349][ T4985] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4985) [ 51.960446][ T4985] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 51.961887][ T4985] BTRFS info (device loop0): using free space tree [ 51.962982][ T4985] BTRFS info (device loop0): has skinny extents [ 51.992312][ T4985] BTRFS info (device loop0): enabling ssd optimizations [ 51.998349][ T4985] FAULT_INJECTION: forcing a failure. [ 51.998349][ T4985] name failslab, interval 1, probability 0, space 0, times 0 [ 52.000357][ T4985] CPU: 1 PID: 4985 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.001689][ T4985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.003141][ T4985] Call trace: [ 52.003638][ T4985] dump_backtrace+0x0/0x458 [ 52.004358][ T4985] show_stack+0x2c/0x3c [ 52.005007][ T4985] __dump_stack+0x30/0x40 [ 52.005723][ T4985] dump_stack_lvl+0xf4/0x15c [ 52.006422][ T4985] dump_stack+0x1c/0x5c [ 52.007073][ T4985] should_fail+0x3bc/0x514 [ 52.007712][ T4985] __should_failslab+0xbc/0x10c [ 52.008401][ T4985] should_failslab+0x10/0x28 [ 52.009110][ T4985] slab_pre_alloc_hook+0x64/0xe8 [ 52.009901][ T4985] kmem_cache_alloc+0x94/0x3d4 [ 52.010627][ T4985] btrfs_alloc_path+0x5c/0x68 [ 52.011328][ T4985] __btrfs_unlink_inode+0x1dc/0xaec [ 52.012116][ T4985] btrfs_rename2+0x1bf8/0x307c [ 52.012833][ T4985] vfs_rename+0x95c/0xde0 [ 52.013498][ T4985] do_renameat2+0x774/0xcfc [ 52.014182][ T4985] __arm64_sys_renameat2+0xe0/0xfc [ 52.014942][ T4985] invoke_syscall+0x98/0x2b0 [ 52.015763][ T4985] el0_svc_common+0x138/0x258 [ 52.016524][ T4985] do_el0_svc+0x58/0x13c [ 52.017150][ T4985] el0_svc+0x78/0x1d0 [ 52.017749][ T4985] el0t_64_sync_handler+0xcc/0xe4 [ 52.018498][ T4985] el0t_64_sync+0x1a0/0x1a4 [ 52.020604][ T4985] ------------[ cut here ]------------ [ 52.021578][ T4985] WARNING: CPU: 1 PID: 4985 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 52.022932][ T4985] Modules linked in: [ 52.023524][ T4985] CPU: 1 PID: 4985 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.024831][ T4985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.026352][ T4985] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.027587][ T4985] pc : btrfs_rename2+0x26a8/0x307c [ 52.028396][ T4985] lr : btrfs_rename2+0x26a8/0x307c [ 52.029157][ T4985] sp : ffff800020bd7870 [ 52.029800][ T4985] x29: ffff800020bd7980 x28: ffff0000dca8d948 x27: 0000000000000000 [ 52.031210][ T4985] x26: dfff800000000000 x25: ffff0000e214b5d0 x24: ffff0000d9a50000 [ 52.032492][ T4985] x23: ffff0000e214b110 x22: ffff80001430fcc0 x21: 1fffe0001bcb0755 [ 52.033784][ T4985] x20: ffff0000de583aa8 x19: 00000000fffffff4 x18: 0000000000000001 [ 52.034943][ T4985] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 52.036185][ T4985] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 52.037444][ T4985] x11: 0000000000000000 x10: 0000000000000000 x9 : 10c7c75a6467d600 [ 52.038645][ T4985] x8 : 10c7c75a6467d600 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.039893][ T4985] x5 : ffff800020bd7178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 52.041141][ T4985] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.042368][ T4985] Call trace: [ 52.042851][ T4985] btrfs_rename2+0x26a8/0x307c [ 52.043518][ T4985] vfs_rename+0x95c/0xde0 [ 52.044201][ T4985] do_renameat2+0x774/0xcfc [ 52.044883][ T4985] __arm64_sys_renameat2+0xe0/0xfc [ 52.045647][ T4985] invoke_syscall+0x98/0x2b0 [ 52.046361][ T4985] el0_svc_common+0x138/0x258 [ 52.047081][ T4985] do_el0_svc+0x58/0x13c [ 52.047718][ T4985] el0_svc+0x78/0x1d0 [ 52.048300][ T4985] el0t_64_sync_handler+0xcc/0xe4 [ 52.049070][ T4985] el0t_64_sync+0x1a0/0x1a4 [ 52.049742][ T4985] irq event stamp: 79110 [ 52.050350][ T4985] hardirqs last enabled at (79109): [] __up_console_sem+0xb4/0xfc [ 52.051693][ T4985] hardirqs last disabled at (79110): [] el1_dbg+0x24/0x80 [ 52.052974][ T4985] softirqs last enabled at (79088): [] handle_softirqs+0xa40/0xbe4 [ 52.054351][ T4985] softirqs last disabled at (78991): [] __irq_exit_rcu+0x240/0x43c [ 52.055787][ T4985] ---[ end trace f29460aa6a3ebe75 ]--- [ 52.058761][ T4985] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 52.060315][ T4985] BTRFS info (device loop0): forced readonly [ 52.244383][ T4069] Bluetooth: hci0: command 0x040f tx timeout [ 52.246662][ T5006] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5006) [ 52.249608][ T5006] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.251144][ T5006] BTRFS info (device loop0): using free space tree [ 52.252044][ T5006] BTRFS info (device loop0): has skinny extents [ 52.265277][ T5006] BTRFS info (device loop0): enabling ssd optimizations [ 52.273252][ T5006] FAULT_INJECTION: forcing a failure. [ 52.273252][ T5006] name failslab, interval 1, probability 0, space 0, times 0 [ 52.275565][ T5006] CPU: 1 PID: 5006 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.277019][ T5006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.278657][ T5006] Call trace: [ 52.279121][ T5006] dump_backtrace+0x0/0x458 [ 52.279765][ T5006] show_stack+0x2c/0x3c [ 52.280407][ T5006] __dump_stack+0x30/0x40 [ 52.281007][ T5006] dump_stack_lvl+0xf4/0x15c [ 52.281680][ T5006] dump_stack+0x1c/0x5c [ 52.282332][ T5006] should_fail+0x3bc/0x514 [ 52.282995][ T5006] __should_failslab+0xbc/0x10c [ 52.283702][ T5006] should_failslab+0x10/0x28 [ 52.284375][ T5006] slab_pre_alloc_hook+0x64/0xe8 [ 52.285082][ T5006] kmem_cache_alloc+0x94/0x3d4 [ 52.285762][ T5006] btrfs_alloc_path+0x5c/0x68 [ 52.286478][ T5006] btrfs_insert_inode_ref+0xf0/0xa2c [ 52.287282][ T5006] btrfs_rename2+0x1978/0x307c [ 52.287934][ T5006] vfs_rename+0x95c/0xde0 [ 52.288534][ T5006] do_renameat2+0x774/0xcfc [ 52.289157][ T5006] __arm64_sys_renameat2+0xe0/0xfc [ 52.289864][ T5006] invoke_syscall+0x98/0x2b0 [ 52.290522][ T5006] el0_svc_common+0x138/0x258 [ 52.291174][ T5006] do_el0_svc+0x58/0x13c [ 52.291780][ T5006] el0_svc+0x78/0x1d0 [ 52.292361][ T5006] el0t_64_sync_handler+0xcc/0xe4 [ 52.293155][ T5006] el0t_64_sync+0x1a0/0x1a4 [ 52.470651][ T5027] set_capacity_and_notify: 9 callbacks suppressed [ 52.470660][ T5027] loop0: detected capacity change from 0 to 32768 [ 52.474096][ T5027] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5027) [ 52.478742][ T5027] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.480389][ T5027] BTRFS info (device loop0): using free space tree [ 52.481285][ T5027] BTRFS info (device loop0): has skinny extents [ 52.492913][ T5027] BTRFS info (device loop0): enabling ssd optimizations [ 52.498609][ T5027] FAULT_INJECTION: forcing a failure. [ 52.498609][ T5027] name failslab, interval 1, probability 0, space 0, times 0 [ 52.500688][ T5027] CPU: 0 PID: 5027 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.502038][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.503481][ T5027] Call trace: [ 52.503937][ T5027] dump_backtrace+0x0/0x458 [ 52.504578][ T5027] show_stack+0x2c/0x3c [ 52.505153][ T5027] __dump_stack+0x30/0x40 [ 52.505816][ T5027] dump_stack_lvl+0xf4/0x15c [ 52.506493][ T5027] dump_stack+0x1c/0x5c [ 52.507108][ T5027] should_fail+0x3bc/0x514 [ 52.507759][ T5027] __should_failslab+0xbc/0x10c [ 52.508488][ T5027] should_failslab+0x10/0x28 [ 52.509264][ T5027] slab_pre_alloc_hook+0x64/0xe8 [ 52.510009][ T5027] kmem_cache_alloc+0x94/0x3d4 [ 52.510684][ T5027] btrfs_alloc_path+0x5c/0x68 [ 52.511359][ T5027] __btrfs_unlink_inode+0x1dc/0xaec [ 52.512142][ T5027] btrfs_rename2+0x1bf8/0x307c [ 52.512829][ T5027] vfs_rename+0x95c/0xde0 [ 52.513436][ T5027] do_renameat2+0x774/0xcfc [ 52.514098][ T5027] __arm64_sys_renameat2+0xe0/0xfc [ 52.514839][ T5027] invoke_syscall+0x98/0x2b0 [ 52.515476][ T5027] el0_svc_common+0x138/0x258 [ 52.516187][ T5027] do_el0_svc+0x58/0x13c [ 52.516782][ T5027] el0_svc+0x78/0x1d0 [ 52.517402][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 52.518130][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 52.520262][ T5027] ------------[ cut here ]------------ [ 52.521206][ T5027] WARNING: CPU: 0 PID: 5027 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 52.522505][ T5027] Modules linked in: [ 52.523105][ T5027] CPU: 0 PID: 5027 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.524428][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.525923][ T5027] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.527184][ T5027] pc : btrfs_rename2+0x26a8/0x307c [ 52.527982][ T5027] lr : btrfs_rename2+0x26a8/0x307c [ 52.528763][ T5027] sp : ffff800020d27870 [ 52.529333][ T5027] x29: ffff800020d27980 x28: ffff0000de6eb1f0 x27: 0000000000000000 [ 52.530513][ T5027] x26: dfff800000000000 x25: ffff0000e214dd10 x24: ffff0000cec96000 [ 52.531648][ T5027] x23: ffff0000e214d850 x22: ffff80001430fcc0 x21: 1fffe0001b975aa5 [ 52.532760][ T5027] x20: ffff0000dcbad528 x19: 00000000fffffff4 x18: 0000000000000001 [ 52.533850][ T5027] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 52.534980][ T5027] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 52.536174][ T5027] x11: 0000000000000000 x10: 0000000000000000 x9 : 1d1c59c7d5580d00 [ 52.537305][ T5027] x8 : 1d1c59c7d5580d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.538423][ T5027] x5 : ffff800020d27178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 52.539530][ T5027] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.540684][ T5027] Call trace: [ 52.541187][ T5027] btrfs_rename2+0x26a8/0x307c [ 52.541905][ T5027] vfs_rename+0x95c/0xde0 [ 52.542546][ T5027] do_renameat2+0x774/0xcfc [ 52.543151][ T5027] __arm64_sys_renameat2+0xe0/0xfc [ 52.543949][ T5027] invoke_syscall+0x98/0x2b0 [ 52.544565][ T5027] el0_svc_common+0x138/0x258 [ 52.545324][ T5027] do_el0_svc+0x58/0x13c [ 52.545962][ T5027] el0_svc+0x78/0x1d0 [ 52.546543][ T5027] el0t_64_sync_handler+0xcc/0xe4 [ 52.547357][ T5027] el0t_64_sync+0x1a0/0x1a4 [ 52.548031][ T5027] irq event stamp: 78828 [ 52.548654][ T5027] hardirqs last enabled at (78827): [] __up_console_sem+0xb4/0xfc [ 52.550038][ T5027] hardirqs last disabled at (78828): [] el1_dbg+0x24/0x80 [ 52.551361][ T5027] softirqs last enabled at (78808): [] handle_softirqs+0xa40/0xbe4 [ 52.552788][ T5027] softirqs last disabled at (78781): [] __irq_exit_rcu+0x240/0x43c [ 52.554130][ T5027] ---[ end trace f29460aa6a3ebe76 ]--- [ 52.555836][ T5027] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 52.557232][ T5027] BTRFS info (device loop0): forced readonly [ 52.770054][ T5048] loop0: detected capacity change from 0 to 32768 [ 52.772531][ T5048] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5048) [ 52.775777][ T5048] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 52.777187][ T5048] BTRFS info (device loop0): using free space tree [ 52.778160][ T5048] BTRFS info (device loop0): has skinny extents [ 52.792202][ T5048] BTRFS info (device loop0): enabling ssd optimizations [ 52.796943][ T5048] FAULT_INJECTION: forcing a failure. [ 52.796943][ T5048] name failslab, interval 1, probability 0, space 0, times 0 [ 52.798915][ T5048] CPU: 0 PID: 5048 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.800227][ T5048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.801674][ T5048] Call trace: [ 52.802114][ T5048] dump_backtrace+0x0/0x458 [ 52.802763][ T5048] show_stack+0x2c/0x3c [ 52.803396][ T5048] __dump_stack+0x30/0x40 [ 52.804045][ T5048] dump_stack_lvl+0xf4/0x15c [ 52.804698][ T5048] dump_stack+0x1c/0x5c [ 52.805341][ T5048] should_fail+0x3bc/0x514 [ 52.805945][ T5048] __should_failslab+0xbc/0x10c [ 52.806683][ T5048] should_failslab+0x10/0x28 [ 52.807345][ T5048] slab_pre_alloc_hook+0x64/0xe8 [ 52.808081][ T5048] kmem_cache_alloc+0x94/0x3d4 [ 52.808847][ T5048] start_transaction+0x4d0/0x13ec [ 52.809616][ T5048] btrfs_start_transaction+0x34/0x44 [ 52.810432][ T5048] btrfs_rename2+0x15d8/0x307c [ 52.811156][ T5048] vfs_rename+0x95c/0xde0 [ 52.811776][ T5048] do_renameat2+0x774/0xcfc [ 52.812404][ T5048] __arm64_sys_renameat2+0xe0/0xfc [ 52.813148][ T5048] invoke_syscall+0x98/0x2b0 [ 52.813841][ T5048] el0_svc_common+0x138/0x258 [ 52.814532][ T5048] do_el0_svc+0x58/0x13c [ 52.815202][ T5048] el0_svc+0x78/0x1d0 [ 52.815826][ T5048] el0t_64_sync_handler+0xcc/0xe4 [ 52.816553][ T5048] el0t_64_sync+0x1a0/0x1a4 [ 52.992121][ T5069] loop0: detected capacity change from 0 to 32768 [ 52.994827][ T5069] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5069) [ 52.998941][ T5069] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.000610][ T5069] BTRFS info (device loop0): using free space tree [ 53.001594][ T5069] BTRFS info (device loop0): has skinny extents [ 53.016667][ T5069] BTRFS info (device loop0): enabling ssd optimizations [ 53.022112][ T5069] FAULT_INJECTION: forcing a failure. [ 53.022112][ T5069] name failslab, interval 1, probability 0, space 0, times 0 [ 53.024537][ T5069] CPU: 1 PID: 5069 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.025966][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.027523][ T5069] Call trace: [ 53.028030][ T5069] dump_backtrace+0x0/0x458 [ 53.028718][ T5069] show_stack+0x2c/0x3c [ 53.029322][ T5069] __dump_stack+0x30/0x40 [ 53.029945][ T5069] dump_stack_lvl+0xf4/0x15c [ 53.030631][ T5069] dump_stack+0x1c/0x5c [ 53.031298][ T5069] should_fail+0x3bc/0x514 [ 53.031912][ T5069] __should_failslab+0xbc/0x10c [ 53.032650][ T5069] should_failslab+0x10/0x28 [ 53.033292][ T5069] slab_pre_alloc_hook+0x64/0xe8 [ 53.034007][ T5069] kmem_cache_alloc+0x94/0x3d4 [ 53.034692][ T5069] btrfs_alloc_path+0x5c/0x68 [ 53.035382][ T5069] __btrfs_unlink_inode+0x1dc/0xaec [ 53.036132][ T5069] btrfs_rename2+0x1bf8/0x307c [ 53.036805][ T5069] vfs_rename+0x95c/0xde0 [ 53.037423][ T5069] do_renameat2+0x774/0xcfc [ 53.038052][ T5069] __arm64_sys_renameat2+0xe0/0xfc [ 53.038813][ T5069] invoke_syscall+0x98/0x2b0 [ 53.039514][ T5069] el0_svc_common+0x138/0x258 [ 53.040216][ T5069] do_el0_svc+0x58/0x13c [ 53.040841][ T5069] el0_svc+0x78/0x1d0 [ 53.041412][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 53.042159][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 53.043427][ T5069] ------------[ cut here ]------------ [ 53.044331][ T5069] WARNING: CPU: 1 PID: 5069 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 53.045620][ T5069] Modules linked in: [ 53.046199][ T5069] CPU: 1 PID: 5069 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.047534][ T5069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.049064][ T5069] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.050266][ T5069] pc : btrfs_rename2+0x26a8/0x307c [ 53.051023][ T5069] lr : btrfs_rename2+0x26a8/0x307c [ 53.051769][ T5069] sp : ffff8000200b7870 [ 53.052449][ T5069] x29: ffff8000200b7980 x28: ffff0000cc57a340 x27: 0000000000000000 [ 53.053717][ T5069] x26: dfff800000000000 x25: ffff0000e2073fa0 x24: ffff0000e4180000 [ 53.054923][ T5069] x23: ffff0000e2073ae0 x22: ffff80001430fcc0 x21: 1fffe0001bcedc79 [ 53.056123][ T5069] x20: ffff0000de76e3c8 x19: 00000000fffffff4 x18: 0000000000000001 [ 53.057295][ T5069] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 53.058544][ T5069] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 53.059674][ T5069] x11: 0000000000000000 x10: 0000000000000000 x9 : 6a95a19923854800 [ 53.060919][ T5069] x8 : 6a95a19923854800 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.062102][ T5069] x5 : ffff8000200b7178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 53.063318][ T5069] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.064533][ T5069] Call trace: [ 53.064979][ T5069] btrfs_rename2+0x26a8/0x307c [ 53.065675][ T5069] vfs_rename+0x95c/0xde0 [ 53.066271][ T5069] do_renameat2+0x774/0xcfc [ 53.066950][ T5069] __arm64_sys_renameat2+0xe0/0xfc [ 53.067722][ T5069] invoke_syscall+0x98/0x2b0 [ 53.068368][ T5069] el0_svc_common+0x138/0x258 [ 53.069054][ T5069] do_el0_svc+0x58/0x13c [ 53.069676][ T5069] el0_svc+0x78/0x1d0 [ 53.070247][ T5069] el0t_64_sync_handler+0xcc/0xe4 [ 53.070961][ T5069] el0t_64_sync+0x1a0/0x1a4 [ 53.071603][ T5069] irq event stamp: 79668 [ 53.072200][ T5069] hardirqs last enabled at (79667): [] __up_console_sem+0xb4/0xfc [ 53.073640][ T5069] hardirqs last disabled at (79668): [] el1_dbg+0x24/0x80 [ 53.074886][ T5069] softirqs last enabled at (79648): [] handle_softirqs+0xa40/0xbe4 [ 53.076281][ T5069] softirqs last disabled at (79605): [] __irq_exit_rcu+0x240/0x43c [ 53.077677][ T5069] ---[ end trace f29460aa6a3ebe77 ]--- [ 53.079447][ T5069] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 53.080952][ T5069] BTRFS info (device loop0): forced readonly [ 53.267092][ T5090] loop0: detected capacity change from 0 to 32768 [ 53.269541][ T5090] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5090) [ 53.272711][ T5090] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.275643][ T5090] BTRFS info (device loop0): using free space tree [ 53.276743][ T5090] BTRFS info (device loop0): has skinny extents [ 53.284281][ T5090] BTRFS info (device loop0): enabling ssd optimizations [ 53.289702][ T5090] FAULT_INJECTION: forcing a failure. [ 53.289702][ T5090] name failslab, interval 1, probability 0, space 0, times 0 [ 53.291848][ T5090] CPU: 0 PID: 5090 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.293278][ T5090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.294915][ T5090] Call trace: [ 53.295396][ T5090] dump_backtrace+0x0/0x458 [ 53.296110][ T5090] show_stack+0x2c/0x3c [ 53.296758][ T5090] __dump_stack+0x30/0x40 [ 53.297407][ T5090] dump_stack_lvl+0xf4/0x15c [ 53.298076][ T5090] dump_stack+0x1c/0x5c [ 53.298687][ T5090] should_fail+0x3bc/0x514 [ 53.299318][ T5090] __should_failslab+0xbc/0x10c [ 53.300009][ T5090] should_failslab+0x10/0x28 [ 53.300717][ T5090] slab_pre_alloc_hook+0x64/0xe8 [ 53.301542][ T5090] kmem_cache_alloc+0x94/0x3d4 [ 53.302209][ T5090] btrfs_alloc_path+0x5c/0x68 [ 53.302894][ T5090] btrfs_insert_inode_ref+0xf0/0xa2c [ 53.303683][ T5090] btrfs_rename2+0x1978/0x307c [ 53.304337][ T5090] vfs_rename+0x95c/0xde0 [ 53.304988][ T5090] do_renameat2+0x774/0xcfc [ 53.305643][ T5090] __arm64_sys_renameat2+0xe0/0xfc [ 53.306455][ T5090] invoke_syscall+0x98/0x2b0 [ 53.307136][ T5090] el0_svc_common+0x138/0x258 [ 53.307775][ T5090] do_el0_svc+0x58/0x13c [ 53.308344][ T5090] el0_svc+0x78/0x1d0 [ 53.308892][ T5090] el0t_64_sync_handler+0xcc/0xe4 [ 53.309604][ T5090] el0t_64_sync+0x1a0/0x1a4 [ 53.493856][ T5111] loop0: detected capacity change from 0 to 32768 [ 53.503853][ T5111] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5111) [ 53.509238][ T5111] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.510891][ T5111] BTRFS info (device loop0): using free space tree [ 53.512071][ T5111] BTRFS info (device loop0): has skinny extents [ 53.520195][ T5111] BTRFS info (device loop0): enabling ssd optimizations [ 53.526873][ T5111] FAULT_INJECTION: forcing a failure. [ 53.526873][ T5111] name failslab, interval 1, probability 0, space 0, times 0 [ 53.529062][ T5111] CPU: 1 PID: 5111 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.530484][ T5111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.532036][ T5111] Call trace: [ 53.532532][ T5111] dump_backtrace+0x0/0x458 [ 53.533170][ T5111] show_stack+0x2c/0x3c [ 53.533729][ T5111] __dump_stack+0x30/0x40 [ 53.534405][ T5111] dump_stack_lvl+0xf4/0x15c [ 53.535117][ T5111] dump_stack+0x1c/0x5c [ 53.535733][ T5111] should_fail+0x3bc/0x514 [ 53.536393][ T5111] __should_failslab+0xbc/0x10c [ 53.537123][ T5111] should_failslab+0x10/0x28 [ 53.537799][ T5111] slab_pre_alloc_hook+0x64/0xe8 [ 53.538521][ T5111] kmem_cache_alloc+0x94/0x3d4 [ 53.539298][ T5111] btrfs_alloc_path+0x5c/0x68 [ 53.539973][ T5111] btrfs_insert_inode_ref+0xf0/0xa2c [ 53.540749][ T5111] btrfs_rename2+0x1978/0x307c [ 53.541509][ T5111] vfs_rename+0x95c/0xde0 [ 53.542114][ T5111] do_renameat2+0x774/0xcfc [ 53.542764][ T5111] __arm64_sys_renameat2+0xe0/0xfc [ 53.543483][ T5111] invoke_syscall+0x98/0x2b0 [ 53.544119][ T5111] el0_svc_common+0x138/0x258 [ 53.544811][ T5111] do_el0_svc+0x58/0x13c [ 53.545404][ T5111] el0_svc+0x78/0x1d0 [ 53.545944][ T5111] el0t_64_sync_handler+0xcc/0xe4 [ 53.546666][ T5111] el0t_64_sync+0x1a0/0x1a4 [ 53.720540][ T5132] loop0: detected capacity change from 0 to 32768 [ 53.722937][ T5132] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5132) [ 53.726089][ T5132] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.727609][ T5132] BTRFS info (device loop0): using free space tree [ 53.728538][ T5132] BTRFS info (device loop0): has skinny extents [ 53.742659][ T5132] BTRFS info (device loop0): enabling ssd optimizations [ 53.753174][ T5132] FAULT_INJECTION: forcing a failure. [ 53.753174][ T5132] name failslab, interval 1, probability 0, space 0, times 0 [ 53.755469][ T5132] CPU: 1 PID: 5132 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.756829][ T5132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.758412][ T5132] Call trace: [ 53.758928][ T5132] dump_backtrace+0x0/0x458 [ 53.759613][ T5132] show_stack+0x2c/0x3c [ 53.760239][ T5132] __dump_stack+0x30/0x40 [ 53.760912][ T5132] dump_stack_lvl+0xf4/0x15c [ 53.761616][ T5132] dump_stack+0x1c/0x5c [ 53.762197][ T5132] should_fail+0x3bc/0x514 [ 53.762834][ T5132] __should_failslab+0xbc/0x10c [ 53.763567][ T5132] should_failslab+0x10/0x28 [ 53.764309][ T5132] slab_pre_alloc_hook+0x64/0xe8 [ 53.765132][ T5132] kmem_cache_alloc+0x94/0x3d4 [ 53.765833][ T5132] btrfs_alloc_path+0x5c/0x68 [ 53.766532][ T5132] __btrfs_unlink_inode+0x1dc/0xaec [ 53.767342][ T5132] btrfs_rename2+0x1bf8/0x307c [ 53.768066][ T5132] vfs_rename+0x95c/0xde0 [ 53.768698][ T5132] do_renameat2+0x774/0xcfc [ 53.769394][ T5132] __arm64_sys_renameat2+0xe0/0xfc [ 53.770232][ T5132] invoke_syscall+0x98/0x2b0 [ 53.770948][ T5132] el0_svc_common+0x138/0x258 [ 53.771636][ T5132] do_el0_svc+0x58/0x13c [ 53.772259][ T5132] el0_svc+0x78/0x1d0 [ 53.772828][ T5132] el0t_64_sync_handler+0xcc/0xe4 [ 53.773567][ T5132] el0t_64_sync+0x1a0/0x1a4 [ 53.774387][ T5132] ------------[ cut here ]------------ [ 53.775317][ T5132] WARNING: CPU: 1 PID: 5132 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 53.776709][ T5132] Modules linked in: [ 53.777310][ T5132] CPU: 1 PID: 5132 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.778707][ T5132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.780226][ T5132] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.781422][ T5132] pc : btrfs_rename2+0x26a8/0x307c [ 53.782173][ T5132] lr : btrfs_rename2+0x26a8/0x307c [ 53.782916][ T5132] sp : ffff8000217c7870 [ 53.783542][ T5132] x29: ffff8000217c7980 x28: ffff0000dcb52630 x27: 0000000000000000 [ 53.784669][ T5132] x26: dfff800000000000 x25: ffff0000e2077a80 x24: ffff0000d7f80000 [ 53.785844][ T5132] x23: ffff0000e20775c0 x22: ffff80001430fcc0 x21: 1fffe0001bcc088f [ 53.786979][ T5132] x20: ffff0000de604478 x19: 00000000fffffff4 x18: 0000000000000001 [ 53.788144][ T5132] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 53.789381][ T5132] x14: 0000000000000001 x13: 1ffff000042f8e2c x12: 0000000000ff0100 [ 53.790606][ T5132] x11: 0000000000000000 x10: 0000000000000000 x9 : 510e76df8b7e9d00 [ 53.791808][ T5132] x8 : 510e76df8b7e9d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.792929][ T5132] x5 : ffff8000217c7178 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 53.794044][ T5132] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.795163][ T5132] Call trace: [ 53.795618][ T5132] btrfs_rename2+0x26a8/0x307c [ 53.796336][ T5132] vfs_rename+0x95c/0xde0 [ 53.796963][ T5132] do_renameat2+0x774/0xcfc [ 53.797619][ T5132] __arm64_sys_renameat2+0xe0/0xfc [ 53.798344][ T5132] invoke_syscall+0x98/0x2b0 [ 53.798961][ T5132] el0_svc_common+0x138/0x258 [ 53.799611][ T5132] do_el0_svc+0x58/0x13c [ 53.800213][ T5132] el0_svc+0x78/0x1d0 [ 53.800789][ T5132] el0t_64_sync_handler+0xcc/0xe4 [ 53.801554][ T5132] el0t_64_sync+0x1a0/0x1a4 [ 53.802243][ T5132] irq event stamp: 79136 [ 53.802902][ T5132] hardirqs last enabled at (79135): [] __up_console_sem+0xb4/0xfc [ 53.804274][ T5132] hardirqs last disabled at (79136): [] el1_dbg+0x24/0x80 [ 53.805450][ T5132] softirqs last enabled at (79116): [] handle_softirqs+0xa40/0xbe4 [ 53.806728][ T5132] softirqs last disabled at (79105): [] __irq_exit_rcu+0x240/0x43c [ 53.808075][ T5132] ---[ end trace f29460aa6a3ebe78 ]--- [ 53.809411][ T5132] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 53.810779][ T5132] BTRFS info (device loop0): forced readonly [ 53.979784][ T5153] loop0: detected capacity change from 0 to 32768 [ 53.982162][ T5153] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5153) [ 53.985768][ T5153] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 53.987427][ T5153] BTRFS info (device loop0): using free space tree [ 53.988401][ T5153] BTRFS info (device loop0): has skinny extents [ 53.996053][ T5153] BTRFS info (device loop0): enabling ssd optimizations [ 54.001277][ T5153] FAULT_INJECTION: forcing a failure. [ 54.001277][ T5153] name failslab, interval 1, probability 0, space 0, times 0 [ 54.003486][ T5153] CPU: 1 PID: 5153 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.004764][ T5153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.006185][ T5153] Call trace: [ 54.006663][ T5153] dump_backtrace+0x0/0x458 [ 54.007291][ T5153] show_stack+0x2c/0x3c [ 54.007943][ T5153] __dump_stack+0x30/0x40 [ 54.008600][ T5153] dump_stack_lvl+0xf4/0x15c [ 54.009246][ T5153] dump_stack+0x1c/0x5c [ 54.009889][ T5153] should_fail+0x3bc/0x514 [ 54.010536][ T5153] __should_failslab+0xbc/0x10c [ 54.011274][ T5153] should_failslab+0x10/0x28 [ 54.012007][ T5153] slab_pre_alloc_hook+0x64/0xe8 [ 54.012764][ T5153] kmem_cache_alloc+0x94/0x3d4 [ 54.013498][ T5153] btrfs_alloc_path+0x5c/0x68 [ 54.014170][ T5153] __btrfs_unlink_inode+0x1dc/0xaec [ 54.014906][ T5153] btrfs_rename2+0x1bf8/0x307c [ 54.015571][ T5153] vfs_rename+0x95c/0xde0 [ 54.016201][ T5153] do_renameat2+0x774/0xcfc [ 54.016848][ T5153] __arm64_sys_renameat2+0xe0/0xfc [ 54.017560][ T5153] invoke_syscall+0x98/0x2b0 [ 54.018206][ T5153] el0_svc_common+0x138/0x258 [ 54.018838][ T5153] do_el0_svc+0x58/0x13c [ 54.019473][ T5153] el0_svc+0x78/0x1d0 [ 54.020033][ T5153] el0t_64_sync_handler+0xcc/0xe4 [ 54.020761][ T5153] el0t_64_sync+0x1a0/0x1a4 [ 54.022116][ T5153] ------------[ cut here ]------------ [ 54.023101][ T5153] WARNING: CPU: 1 PID: 5153 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 54.024463][ T5153] Modules linked in: [ 54.025073][ T5153] CPU: 1 PID: 5153 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.026392][ T5153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.027868][ T5153] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.028979][ T5153] pc : btrfs_rename2+0x26a8/0x307c [ 54.029734][ T5153] lr : btrfs_rename2+0x26a8/0x307c [ 54.030483][ T5153] sp : ffff800021417870 [ 54.031072][ T5153] x29: ffff800021417980 x28: ffff0000dc992050 x27: 0000000000000000 [ 54.032243][ T5153] x26: dfff800000000000 x25: ffff0000de721860 x24: ffff0000d6df6000 [ 54.033377][ T5153] x23: ffff0000de7213a0 x22: ffff80001430fcc0 x21: 1fffe0001bcc084d [ 54.034598][ T5153] x20: ffff0000de604268 x19: 00000000fffffff4 x18: 0000000000000001 [ 54.035764][ T5153] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 54.036934][ T5153] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 54.038088][ T5153] x11: 0000000000000000 x10: 0000000000000000 x9 : 2295146957e42100 [ 54.039299][ T5153] x8 : 2295146957e42100 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.040458][ T5153] x5 : ffff800021417178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 54.041647][ T5153] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.042829][ T5153] Call trace: [ 54.043321][ T5153] btrfs_rename2+0x26a8/0x307c [ 54.043985][ T5153] vfs_rename+0x95c/0xde0 [ 54.044589][ T5153] do_renameat2+0x774/0xcfc [ 54.045238][ T5153] __arm64_sys_renameat2+0xe0/0xfc [ 54.045951][ T5153] invoke_syscall+0x98/0x2b0 [ 54.046623][ T5153] el0_svc_common+0x138/0x258 [ 54.047273][ T5153] do_el0_svc+0x58/0x13c [ 54.047866][ T5153] el0_svc+0x78/0x1d0 [ 54.048428][ T5153] el0t_64_sync_handler+0xcc/0xe4 [ 54.049136][ T5153] el0t_64_sync+0x1a0/0x1a4 [ 54.049791][ T5153] irq event stamp: 79140 [ 54.050350][ T5153] hardirqs last enabled at (79139): [] __up_console_sem+0xb4/0xfc [ 54.051705][ T5153] hardirqs last disabled at (79140): [] el1_dbg+0x24/0x80 [ 54.053044][ T5153] softirqs last enabled at (79120): [] handle_softirqs+0xa40/0xbe4 [ 54.054372][ T5153] softirqs last disabled at (79095): [] __irq_exit_rcu+0x240/0x43c [ 54.055717][ T5153] ---[ end trace f29460aa6a3ebe79 ]--- [ 54.057008][ T5153] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 54.058402][ T5153] BTRFS info (device loop0): forced readonly [ 54.219573][ T5174] loop0: detected capacity change from 0 to 32768 [ 54.221966][ T5174] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5174) [ 54.226241][ T5174] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.227748][ T5174] BTRFS info (device loop0): using free space tree [ 54.228801][ T5174] BTRFS info (device loop0): has skinny extents [ 54.241330][ T5174] BTRFS info (device loop0): enabling ssd optimizations [ 54.247157][ T5174] FAULT_INJECTION: forcing a failure. [ 54.247157][ T5174] name failslab, interval 1, probability 0, space 0, times 0 [ 54.249194][ T5174] CPU: 0 PID: 5174 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.250526][ T5174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.252090][ T5174] Call trace: [ 54.252605][ T5174] dump_backtrace+0x0/0x458 [ 54.253296][ T5174] show_stack+0x2c/0x3c [ 54.253989][ T5174] __dump_stack+0x30/0x40 [ 54.254688][ T5174] dump_stack_lvl+0xf4/0x15c [ 54.255351][ T5174] dump_stack+0x1c/0x5c [ 54.255953][ T5174] should_fail+0x3bc/0x514 [ 54.256594][ T5174] __should_failslab+0xbc/0x10c [ 54.257297][ T5174] should_failslab+0x10/0x28 [ 54.257997][ T5174] slab_pre_alloc_hook+0x64/0xe8 [ 54.258827][ T5174] kmem_cache_alloc+0x94/0x3d4 [ 54.259577][ T5174] btrfs_alloc_path+0x5c/0x68 [ 54.260290][ T5174] btrfs_insert_inode_ref+0xf0/0xa2c [ 54.261046][ T5174] btrfs_rename2+0x1978/0x307c [ 54.261766][ T5174] vfs_rename+0x95c/0xde0 [ 54.262548][ T5174] do_renameat2+0x774/0xcfc [ 54.263261][ T5174] __arm64_sys_renameat2+0xe0/0xfc [ 54.264035][ T5174] invoke_syscall+0x98/0x2b0 [ 54.264757][ T5174] el0_svc_common+0x138/0x258 [ 54.265463][ T5174] do_el0_svc+0x58/0x13c [ 54.266082][ T5174] el0_svc+0x78/0x1d0 [ 54.266661][ T5174] el0t_64_sync_handler+0xcc/0xe4 [ 54.267433][ T5174] el0t_64_sync+0x1a0/0x1a4 [ 54.334359][ T4069] Bluetooth: hci0: command 0x0419 tx timeout [ 54.470853][ T5195] loop0: detected capacity change from 0 to 32768 [ 54.473260][ T5195] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5195) [ 54.477234][ T5195] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.478826][ T5195] BTRFS info (device loop0): using free space tree [ 54.479729][ T5195] BTRFS info (device loop0): has skinny extents [ 54.489847][ T5195] BTRFS info (device loop0): enabling ssd optimizations [ 54.499501][ T5195] FAULT_INJECTION: forcing a failure. [ 54.499501][ T5195] name failslab, interval 1, probability 0, space 0, times 0 [ 54.501472][ T5195] CPU: 0 PID: 5195 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.502965][ T5195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.504550][ T5195] Call trace: [ 54.505047][ T5195] dump_backtrace+0x0/0x458 [ 54.505786][ T5195] show_stack+0x2c/0x3c [ 54.506410][ T5195] __dump_stack+0x30/0x40 [ 54.507072][ T5195] dump_stack_lvl+0xf4/0x15c [ 54.507746][ T5195] dump_stack+0x1c/0x5c [ 54.508396][ T5195] should_fail+0x3bc/0x514 [ 54.509077][ T5195] __should_failslab+0xbc/0x10c [ 54.509816][ T5195] should_failslab+0x10/0x28 [ 54.510464][ T5195] slab_pre_alloc_hook+0x64/0xe8 [ 54.511237][ T5195] kmem_cache_alloc+0x94/0x3d4 [ 54.511913][ T5195] btrfs_alloc_path+0x5c/0x68 [ 54.512547][ T5195] __btrfs_unlink_inode+0x1dc/0xaec [ 54.513325][ T5195] btrfs_rename2+0x1bf8/0x307c [ 54.514037][ T5195] vfs_rename+0x95c/0xde0 [ 54.514706][ T5195] do_renameat2+0x774/0xcfc [ 54.515405][ T5195] __arm64_sys_renameat2+0xe0/0xfc [ 54.516103][ T5195] invoke_syscall+0x98/0x2b0 [ 54.516827][ T5195] el0_svc_common+0x138/0x258 [ 54.517533][ T5195] do_el0_svc+0x58/0x13c [ 54.518180][ T5195] el0_svc+0x78/0x1d0 [ 54.518753][ T5195] el0t_64_sync_handler+0xcc/0xe4 [ 54.519477][ T5195] el0t_64_sync+0x1a0/0x1a4 [ 54.522190][ T5195] ------------[ cut here ]------------ [ 54.523118][ T5195] WARNING: CPU: 0 PID: 5195 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 54.524396][ T5195] Modules linked in: [ 54.525008][ T5195] CPU: 0 PID: 5195 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.526221][ T5195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.527653][ T5195] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.528755][ T5195] pc : btrfs_rename2+0x26a8/0x307c [ 54.529515][ T5195] lr : btrfs_rename2+0x26a8/0x307c [ 54.530219][ T5195] sp : ffff800021b27870 [ 54.530804][ T5195] x29: ffff800021b27980 x28: ffff0000de6e51f0 x27: 0000000000000000 [ 54.531998][ T5195] x26: dfff800000000000 x25: ffff0000de5cac00 x24: ffff0000d741a000 [ 54.533180][ T5195] x23: ffff0000de5ca740 x22: ffff80001430fcc0 x21: 1fffe0001bcedd55 [ 54.534358][ T5195] x20: ffff0000de76eaa8 x19: 00000000fffffff4 x18: 0000000000000001 [ 54.535551][ T5195] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 54.536742][ T5195] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 54.537837][ T5195] x11: 0000000000000000 x10: 0000000000000000 x9 : a9f93a74f9f75b00 [ 54.539020][ T5195] x8 : a9f93a74f9f75b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.540126][ T5195] x5 : ffff800021b27178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 54.541274][ T5195] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.542485][ T5195] Call trace: [ 54.542970][ T5195] btrfs_rename2+0x26a8/0x307c [ 54.543656][ T5195] vfs_rename+0x95c/0xde0 [ 54.544267][ T5195] do_renameat2+0x774/0xcfc [ 54.544939][ T5195] __arm64_sys_renameat2+0xe0/0xfc [ 54.545650][ T5195] invoke_syscall+0x98/0x2b0 [ 54.546295][ T5195] el0_svc_common+0x138/0x258 [ 54.546961][ T5195] do_el0_svc+0x58/0x13c [ 54.547533][ T5195] el0_svc+0x78/0x1d0 [ 54.548054][ T5195] el0t_64_sync_handler+0xcc/0xe4 [ 54.548774][ T5195] el0t_64_sync+0x1a0/0x1a4 [ 54.549440][ T5195] irq event stamp: 79314 [ 54.550050][ T5195] hardirqs last enabled at (79313): [] __up_console_sem+0xb4/0xfc [ 54.551363][ T5195] hardirqs last disabled at (79314): [] el1_dbg+0x24/0x80 [ 54.552592][ T5195] softirqs last enabled at (79294): [] handle_softirqs+0xa40/0xbe4 [ 54.553960][ T5195] softirqs last disabled at (79255): [] __irq_exit_rcu+0x240/0x43c [ 54.555359][ T5195] ---[ end trace f29460aa6a3ebe7a ]--- [ 54.557077][ T5195] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 54.558427][ T5195] BTRFS info (device loop0): forced readonly [ 54.741344][ T5216] loop0: detected capacity change from 0 to 32768 [ 54.743818][ T5216] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5216) [ 54.747160][ T5216] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 54.748723][ T5216] BTRFS info (device loop0): using free space tree [ 54.749633][ T5216] BTRFS info (device loop0): has skinny extents [ 54.758748][ T5216] BTRFS info (device loop0): enabling ssd optimizations [ 54.764110][ T5216] FAULT_INJECTION: forcing a failure. [ 54.764110][ T5216] name failslab, interval 1, probability 0, space 0, times 0 [ 54.766875][ T5216] CPU: 0 PID: 5216 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.768183][ T5216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.769639][ T5216] Call trace: [ 54.770124][ T5216] dump_backtrace+0x0/0x458 [ 54.770777][ T5216] show_stack+0x2c/0x3c [ 54.771391][ T5216] __dump_stack+0x30/0x40 [ 54.772039][ T5216] dump_stack_lvl+0xf4/0x15c [ 54.772718][ T5216] dump_stack+0x1c/0x5c [ 54.773307][ T5216] should_fail+0x3bc/0x514 [ 54.773969][ T5216] __should_failslab+0xbc/0x10c [ 54.774652][ T5216] should_failslab+0x10/0x28 [ 54.775266][ T5216] slab_pre_alloc_hook+0x64/0xe8 [ 54.775923][ T5216] kmem_cache_alloc+0x94/0x3d4 [ 54.776546][ T5216] btrfs_alloc_path+0x5c/0x68 [ 54.777143][ T5216] __btrfs_unlink_inode+0x1dc/0xaec [ 54.777862][ T5216] btrfs_rename2+0x1bf8/0x307c [ 54.778542][ T5216] vfs_rename+0x95c/0xde0 [ 54.779180][ T5216] do_renameat2+0x774/0xcfc [ 54.779766][ T5216] __arm64_sys_renameat2+0xe0/0xfc [ 54.780476][ T5216] invoke_syscall+0x98/0x2b0 [ 54.781131][ T5216] el0_svc_common+0x138/0x258 [ 54.781796][ T5216] do_el0_svc+0x58/0x13c [ 54.782413][ T5216] el0_svc+0x78/0x1d0 [ 54.782963][ T5216] el0t_64_sync_handler+0xcc/0xe4 [ 54.783702][ T5216] el0t_64_sync+0x1a0/0x1a4 [ 54.785109][ T5216] ------------[ cut here ]------------ [ 54.786102][ T5216] WARNING: CPU: 0 PID: 5216 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 54.787471][ T5216] Modules linked in: [ 54.788097][ T5216] CPU: 0 PID: 5216 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.789442][ T5216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.790953][ T5216] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.792163][ T5216] pc : btrfs_rename2+0x26a8/0x307c [ 54.792892][ T5216] lr : btrfs_rename2+0x26a8/0x307c [ 54.793629][ T5216] sp : ffff800021427870 [ 54.794221][ T5216] x29: ffff800021427980 x28: ffff0000de75c050 x27: 0000000000000000 [ 54.795438][ T5216] x26: dfff800000000000 x25: ffff0000de5c8e90 x24: ffff0000d9050000 [ 54.796586][ T5216] x23: ffff0000de5c89d0 x22: ffff80001430fcc0 x21: 1fffe0001bcedd13 [ 54.797759][ T5216] x20: ffff0000de76e898 x19: 00000000fffffff4 x18: 0000000000000001 [ 54.798927][ T5216] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 54.800070][ T5216] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 54.801293][ T5216] x11: 0000000000000000 x10: 0000000000000000 x9 : 73d9f19519f3ac00 [ 54.802495][ T5216] x8 : 73d9f19519f3ac00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.803671][ T5216] x5 : ffff800021427178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 54.804816][ T5216] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.806011][ T5216] Call trace: [ 54.806533][ T5216] btrfs_rename2+0x26a8/0x307c [ 54.807293][ T5216] vfs_rename+0x95c/0xde0 [ 54.807957][ T5216] do_renameat2+0x774/0xcfc [ 54.808658][ T5216] __arm64_sys_renameat2+0xe0/0xfc [ 54.809419][ T5216] invoke_syscall+0x98/0x2b0 [ 54.810097][ T5216] el0_svc_common+0x138/0x258 [ 54.810805][ T5216] do_el0_svc+0x58/0x13c [ 54.811418][ T5216] el0_svc+0x78/0x1d0 [ 54.811983][ T5216] el0t_64_sync_handler+0xcc/0xe4 [ 54.812683][ T5216] el0t_64_sync+0x1a0/0x1a4 [ 54.813336][ T5216] irq event stamp: 79084 [ 54.813939][ T5216] hardirqs last enabled at (79083): [] __up_console_sem+0xb4/0xfc [ 54.815320][ T5216] hardirqs last disabled at (79084): [] el1_dbg+0x24/0x80 [ 54.816471][ T5216] softirqs last enabled at (79064): [] handle_softirqs+0xa40/0xbe4 [ 54.817796][ T5216] softirqs last disabled at (79045): [] __irq_exit_rcu+0x240/0x43c [ 54.819092][ T5216] ---[ end trace f29460aa6a3ebe7b ]--- [ 54.821183][ T5216] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 54.822664][ T5216] BTRFS info (device loop0): forced readonly [ 55.013932][ T5237] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5237) [ 55.017430][ T5237] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.019017][ T5237] BTRFS info (device loop0): using free space tree [ 55.020023][ T5237] BTRFS info (device loop0): has skinny extents [ 55.029007][ T5237] BTRFS info (device loop0): enabling ssd optimizations [ 55.034183][ T5237] FAULT_INJECTION: forcing a failure. [ 55.034183][ T5237] name failslab, interval 1, probability 0, space 0, times 0 [ 55.036329][ T5237] CPU: 1 PID: 5237 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.037704][ T5237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.039156][ T5237] Call trace: [ 55.039666][ T5237] dump_backtrace+0x0/0x458 [ 55.040348][ T5237] show_stack+0x2c/0x3c [ 55.041003][ T5237] __dump_stack+0x30/0x40 [ 55.041647][ T5237] dump_stack_lvl+0xf4/0x15c [ 55.042301][ T5237] dump_stack+0x1c/0x5c [ 55.042909][ T5237] should_fail+0x3bc/0x514 [ 55.043586][ T5237] __should_failslab+0xbc/0x10c [ 55.044260][ T5237] should_failslab+0x10/0x28 [ 55.044912][ T5237] slab_pre_alloc_hook+0x64/0xe8 [ 55.045602][ T5237] kmem_cache_alloc+0x94/0x3d4 [ 55.046312][ T5237] btrfs_alloc_path+0x5c/0x68 [ 55.046969][ T5237] __btrfs_unlink_inode+0x1dc/0xaec [ 55.047753][ T5237] btrfs_rename2+0x1bf8/0x307c [ 55.048516][ T5237] vfs_rename+0x95c/0xde0 [ 55.049213][ T5237] do_renameat2+0x774/0xcfc [ 55.049894][ T5237] __arm64_sys_renameat2+0xe0/0xfc [ 55.050689][ T5237] invoke_syscall+0x98/0x2b0 [ 55.051365][ T5237] el0_svc_common+0x138/0x258 [ 55.052092][ T5237] do_el0_svc+0x58/0x13c [ 55.052720][ T5237] el0_svc+0x78/0x1d0 [ 55.053317][ T5237] el0t_64_sync_handler+0xcc/0xe4 [ 55.054039][ T5237] el0t_64_sync+0x1a0/0x1a4 [ 55.055438][ T5237] ------------[ cut here ]------------ [ 55.056363][ T5237] WARNING: CPU: 1 PID: 5237 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 55.057693][ T5237] Modules linked in: [ 55.058262][ T5237] CPU: 1 PID: 5237 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.059686][ T5237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.061229][ T5237] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.062438][ T5237] pc : btrfs_rename2+0x26a8/0x307c [ 55.063137][ T5237] lr : btrfs_rename2+0x26a8/0x307c [ 55.063856][ T5237] sp : ffff800021c97870 [ 55.064444][ T5237] x29: ffff800021c97980 x28: ffff0000d8a8a340 x27: 0000000000000000 [ 55.065627][ T5237] x26: dfff800000000000 x25: ffff0000de725340 x24: ffff0000e2d64000 [ 55.066819][ T5237] x23: ffff0000de724e80 x22: ffff80001430fcc0 x21: 1fffe0001bcc0997 [ 55.067999][ T5237] x20: ffff0000de604cb8 x19: 00000000fffffff4 x18: 0000000000000001 [ 55.069252][ T5237] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 55.070521][ T5237] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 55.071711][ T5237] x11: 0000000000000000 x10: 0000000000000000 x9 : e174a38ab8e1ae00 [ 55.072917][ T5237] x8 : e174a38ab8e1ae00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.074126][ T5237] x5 : ffff800021c97178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 55.075283][ T5237] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.076461][ T5237] Call trace: [ 55.076924][ T5237] btrfs_rename2+0x26a8/0x307c [ 55.077657][ T5237] vfs_rename+0x95c/0xde0 [ 55.078294][ T5237] do_renameat2+0x774/0xcfc [ 55.078953][ T5237] __arm64_sys_renameat2+0xe0/0xfc [ 55.079687][ T5237] invoke_syscall+0x98/0x2b0 [ 55.080376][ T5237] el0_svc_common+0x138/0x258 [ 55.081062][ T5237] do_el0_svc+0x58/0x13c [ 55.081647][ T5237] el0_svc+0x78/0x1d0 [ 55.082225][ T5237] el0t_64_sync_handler+0xcc/0xe4 [ 55.082983][ T5237] el0t_64_sync+0x1a0/0x1a4 [ 55.083664][ T5237] irq event stamp: 79284 [ 55.084276][ T5237] hardirqs last enabled at (79283): [] __up_console_sem+0xb4/0xfc [ 55.085688][ T5237] hardirqs last disabled at (79284): [] el1_dbg+0x24/0x80 [ 55.086982][ T5237] softirqs last enabled at (79264): [] handle_softirqs+0xa40/0xbe4 [ 55.088481][ T5237] softirqs last disabled at (79239): [] __irq_exit_rcu+0x240/0x43c [ 55.089883][ T5237] ---[ end trace f29460aa6a3ebe7c ]--- [ 55.091835][ T5237] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 55.093242][ T5237] BTRFS info (device loop0): forced readonly [ 55.262025][ T5258] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5258) [ 55.267673][ T5258] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.269204][ T5258] BTRFS info (device loop0): using free space tree [ 55.270179][ T5258] BTRFS info (device loop0): has skinny extents [ 55.277820][ T5258] BTRFS info (device loop0): enabling ssd optimizations [ 55.283006][ T5258] FAULT_INJECTION: forcing a failure. [ 55.283006][ T5258] name failslab, interval 1, probability 0, space 0, times 0 [ 55.285731][ T5258] CPU: 1 PID: 5258 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.287130][ T5258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.288718][ T5258] Call trace: [ 55.289233][ T5258] dump_backtrace+0x0/0x458 [ 55.289907][ T5258] show_stack+0x2c/0x3c [ 55.290525][ T5258] __dump_stack+0x30/0x40 [ 55.291233][ T5258] dump_stack_lvl+0xf4/0x15c [ 55.291880][ T5258] dump_stack+0x1c/0x5c [ 55.292484][ T5258] should_fail+0x3bc/0x514 [ 55.293178][ T5258] __should_failslab+0xbc/0x10c [ 55.293900][ T5258] should_failslab+0x10/0x28 [ 55.294542][ T5258] slab_pre_alloc_hook+0x64/0xe8 [ 55.295274][ T5258] kmem_cache_alloc+0x94/0x3d4 [ 55.295969][ T5258] btrfs_alloc_path+0x5c/0x68 [ 55.296669][ T5258] __btrfs_unlink_inode+0x1dc/0xaec [ 55.297435][ T5258] btrfs_rename2+0x1bf8/0x307c [ 55.298108][ T5258] vfs_rename+0x95c/0xde0 [ 55.298732][ T5258] do_renameat2+0x774/0xcfc [ 55.299334][ T5258] __arm64_sys_renameat2+0xe0/0xfc [ 55.300035][ T5258] invoke_syscall+0x98/0x2b0 [ 55.300697][ T5258] el0_svc_common+0x138/0x258 [ 55.301330][ T5258] do_el0_svc+0x58/0x13c [ 55.301990][ T5258] el0_svc+0x78/0x1d0 [ 55.302574][ T5258] el0t_64_sync_handler+0xcc/0xe4 [ 55.303295][ T5258] el0t_64_sync+0x1a0/0x1a4 [ 55.304156][ T5258] ------------[ cut here ]------------ [ 55.306135][ T5258] WARNING: CPU: 1 PID: 5258 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 55.307547][ T5258] Modules linked in: [ 55.308191][ T5258] CPU: 1 PID: 5258 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.309656][ T5258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.311108][ T5258] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.312286][ T5258] pc : btrfs_rename2+0x26a8/0x307c [ 55.313063][ T5258] lr : btrfs_rename2+0x26a8/0x307c [ 55.313849][ T5258] sp : ffff800021e47870 [ 55.314451][ T5258] x29: ffff800021e47980 x28: ffff0000dc9411f0 x27: 0000000000000000 [ 55.315666][ T5258] x26: dfff800000000000 x25: ffff0000de7270b0 x24: ffff0000d9352000 [ 55.316927][ T5258] x23: ffff0000de726bf0 x22: ffff80001430fcc0 x21: 1fffe0001bcc0929 [ 55.318105][ T5258] x20: ffff0000de604948 x19: 00000000fffffff4 x18: 0000000000000001 [ 55.319242][ T5258] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 55.320438][ T5258] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 55.321719][ T5258] x11: 0000000000000000 x10: 0000000000000000 x9 : a294c0432e38ef00 [ 55.322872][ T5258] x8 : a294c0432e38ef00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.324063][ T5258] x5 : ffff800021e47178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 55.325227][ T5258] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.326374][ T5258] Call trace: [ 55.326814][ T5258] btrfs_rename2+0x26a8/0x307c [ 55.327528][ T5258] vfs_rename+0x95c/0xde0 [ 55.328132][ T5258] do_renameat2+0x774/0xcfc [ 55.328748][ T5258] __arm64_sys_renameat2+0xe0/0xfc [ 55.329467][ T5258] invoke_syscall+0x98/0x2b0 [ 55.330092][ T5258] el0_svc_common+0x138/0x258 [ 55.330765][ T5258] do_el0_svc+0x58/0x13c [ 55.331391][ T5258] el0_svc+0x78/0x1d0 [ 55.331932][ T5258] el0t_64_sync_handler+0xcc/0xe4 [ 55.332591][ T5258] el0t_64_sync+0x1a0/0x1a4 [ 55.333228][ T5258] irq event stamp: 78942 [ 55.333786][ T5258] hardirqs last enabled at (78941): [] __up_console_sem+0xb4/0xfc [ 55.335133][ T5258] hardirqs last disabled at (78942): [] el1_dbg+0x24/0x80 [ 55.336375][ T5258] softirqs last enabled at (78930): [] handle_softirqs+0xa40/0xbe4 [ 55.337664][ T5258] softirqs last disabled at (78919): [] __irq_exit_rcu+0x240/0x43c [ 55.338993][ T5258] ---[ end trace f29460aa6a3ebe7d ]--- [ 55.340533][ T5258] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 55.341886][ T5258] BTRFS info (device loop0): forced readonly [ 55.521229][ T5279] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5279) [ 55.528899][ T5279] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.530436][ T5279] BTRFS info (device loop0): using free space tree [ 55.531649][ T5279] BTRFS info (device loop0): has skinny extents [ 55.541975][ T5279] BTRFS info (device loop0): enabling ssd optimizations [ 55.547184][ T5279] FAULT_INJECTION: forcing a failure. [ 55.547184][ T5279] name failslab, interval 1, probability 0, space 0, times 0 [ 55.549225][ T5279] CPU: 1 PID: 5279 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.550684][ T5279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.552318][ T5279] Call trace: [ 55.552841][ T5279] dump_backtrace+0x0/0x458 [ 55.553499][ T5279] show_stack+0x2c/0x3c [ 55.554103][ T5279] __dump_stack+0x30/0x40 [ 55.554820][ T5279] dump_stack_lvl+0xf4/0x15c [ 55.555519][ T5279] dump_stack+0x1c/0x5c [ 55.556203][ T5279] should_fail+0x3bc/0x514 [ 55.556882][ T5279] __should_failslab+0xbc/0x10c [ 55.557572][ T5279] should_failslab+0x10/0x28 [ 55.558293][ T5279] slab_pre_alloc_hook+0x64/0xe8 [ 55.559037][ T5279] kmem_cache_alloc+0x94/0x3d4 [ 55.559728][ T5279] btrfs_alloc_path+0x5c/0x68 [ 55.560437][ T5279] __btrfs_unlink_inode+0x1dc/0xaec [ 55.561197][ T5279] btrfs_rename2+0x1bf8/0x307c [ 55.561877][ T5279] vfs_rename+0x95c/0xde0 [ 55.562456][ T5279] do_renameat2+0x774/0xcfc [ 55.563085][ T5279] __arm64_sys_renameat2+0xe0/0xfc [ 55.563793][ T5279] invoke_syscall+0x98/0x2b0 [ 55.564509][ T5279] el0_svc_common+0x138/0x258 [ 55.565172][ T5279] do_el0_svc+0x58/0x13c [ 55.565783][ T5279] el0_svc+0x78/0x1d0 [ 55.566386][ T5279] el0t_64_sync_handler+0xcc/0xe4 [ 55.567134][ T5279] el0t_64_sync+0x1a0/0x1a4 [ 55.569135][ T5279] ------------[ cut here ]------------ [ 55.570044][ T5279] WARNING: CPU: 1 PID: 5279 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 55.571337][ T5279] Modules linked in: [ 55.571916][ T5279] CPU: 1 PID: 5279 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.573220][ T5279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.574639][ T5279] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.575786][ T5279] pc : btrfs_rename2+0x26a8/0x307c [ 55.576535][ T5279] lr : btrfs_rename2+0x26a8/0x307c [ 55.577254][ T5279] sp : ffff800021f67870 [ 55.577852][ T5279] x29: ffff800021f67980 x28: ffff0000dc98d4e0 x27: 0000000000000000 [ 55.579167][ T5279] x26: dfff800000000000 x25: ffff0000de59c970 x24: ffff0000c1a0e000 [ 55.580473][ T5279] x23: ffff0000de59c4b0 x22: ffff80001430fcc0 x21: 1fffe0001bcc080b [ 55.581764][ T5279] x20: ffff0000de604058 x19: 00000000fffffff4 x18: 0000000000000001 [ 55.582890][ T5279] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 55.584100][ T5279] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 55.585221][ T5279] x11: 0000000000000000 x10: 0000000000000000 x9 : 852cd782b1a38b00 [ 55.586374][ T5279] x8 : 852cd782b1a38b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.587575][ T5279] x5 : ffff800021f67178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 55.588734][ T5279] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.589870][ T5279] Call trace: [ 55.590433][ T5279] btrfs_rename2+0x26a8/0x307c [ 55.591176][ T5279] vfs_rename+0x95c/0xde0 [ 55.591798][ T5279] do_renameat2+0x774/0xcfc [ 55.592436][ T5279] __arm64_sys_renameat2+0xe0/0xfc [ 55.593158][ T5279] invoke_syscall+0x98/0x2b0 [ 55.593806][ T5279] el0_svc_common+0x138/0x258 [ 55.594432][ T5279] do_el0_svc+0x58/0x13c [ 55.595051][ T5279] el0_svc+0x78/0x1d0 [ 55.595621][ T5279] el0t_64_sync_handler+0xcc/0xe4 [ 55.596370][ T5279] el0t_64_sync+0x1a0/0x1a4 [ 55.597010][ T5279] irq event stamp: 79312 [ 55.597585][ T5279] hardirqs last enabled at (79311): [] __up_console_sem+0xb4/0xfc [ 55.598925][ T5279] hardirqs last disabled at (79312): [] el1_dbg+0x24/0x80 [ 55.600160][ T5279] softirqs last enabled at (79292): [] handle_softirqs+0xa40/0xbe4 [ 55.601531][ T5279] softirqs last disabled at (79231): [] __irq_exit_rcu+0x240/0x43c [ 55.602855][ T5279] ---[ end trace f29460aa6a3ebe7e ]--- [ 55.604595][ T5279] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 55.606073][ T5279] BTRFS info (device loop0): forced readonly [ 55.777193][ T5300] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5300) [ 55.785545][ T5300] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 55.787058][ T5300] BTRFS info (device loop0): using free space tree [ 55.788021][ T5300] BTRFS info (device loop0): has skinny extents [ 55.806009][ T5300] BTRFS info (device loop0): enabling ssd optimizations [ 55.811027][ T5300] FAULT_INJECTION: forcing a failure. [ 55.811027][ T5300] name failslab, interval 1, probability 0, space 0, times 0 [ 55.812923][ T5300] CPU: 0 PID: 5300 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.814227][ T5300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.815699][ T5300] Call trace: [ 55.816205][ T5300] dump_backtrace+0x0/0x458 [ 55.816915][ T5300] show_stack+0x2c/0x3c [ 55.817510][ T5300] __dump_stack+0x30/0x40 [ 55.818142][ T5300] dump_stack_lvl+0xf4/0x15c [ 55.818789][ T5300] dump_stack+0x1c/0x5c [ 55.819370][ T5300] should_fail+0x3bc/0x514 [ 55.820017][ T5300] __should_failslab+0xbc/0x10c [ 55.820759][ T5300] should_failslab+0x10/0x28 [ 55.821429][ T5300] slab_pre_alloc_hook+0x64/0xe8 [ 55.822137][ T5300] kmem_cache_alloc+0x94/0x3d4 [ 55.822797][ T5300] btrfs_alloc_path+0x5c/0x68 [ 55.823476][ T5300] btrfs_insert_inode_ref+0xf0/0xa2c [ 55.824197][ T5300] btrfs_rename2+0x1978/0x307c [ 55.824858][ T5300] vfs_rename+0x95c/0xde0 [ 55.825468][ T5300] do_renameat2+0x774/0xcfc [ 55.826113][ T5300] __arm64_sys_renameat2+0xe0/0xfc [ 55.826812][ T5300] invoke_syscall+0x98/0x2b0 [ 55.827476][ T5300] el0_svc_common+0x138/0x258 [ 55.828142][ T5300] do_el0_svc+0x58/0x13c [ 55.828713][ T5300] el0_svc+0x78/0x1d0 [ 55.829296][ T5300] el0t_64_sync_handler+0xcc/0xe4 [ 55.830044][ T5300] el0t_64_sync+0x1a0/0x1a4 [ 56.002174][ T5321] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5321) [ 56.005337][ T5321] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.006836][ T5321] BTRFS info (device loop0): using free space tree [ 56.007768][ T5321] BTRFS info (device loop0): has skinny extents [ 56.016485][ T5321] BTRFS info (device loop0): enabling ssd optimizations [ 56.021333][ T5321] FAULT_INJECTION: forcing a failure. [ 56.021333][ T5321] name failslab, interval 1, probability 0, space 0, times 0 [ 56.023350][ T5321] CPU: 0 PID: 5321 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.024731][ T5321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.026282][ T5321] Call trace: [ 56.026805][ T5321] dump_backtrace+0x0/0x458 [ 56.027451][ T5321] show_stack+0x2c/0x3c [ 56.028084][ T5321] __dump_stack+0x30/0x40 [ 56.028732][ T5321] dump_stack_lvl+0xf4/0x15c [ 56.029460][ T5321] dump_stack+0x1c/0x5c [ 56.030065][ T5321] should_fail+0x3bc/0x514 [ 56.030745][ T5321] __should_failslab+0xbc/0x10c [ 56.031417][ T5321] should_failslab+0x10/0x28 [ 56.032069][ T5321] slab_pre_alloc_hook+0x64/0xe8 [ 56.032798][ T5321] kmem_cache_alloc+0x94/0x3d4 [ 56.033472][ T5321] btrfs_alloc_path+0x5c/0x68 [ 56.034142][ T5321] __btrfs_unlink_inode+0x1dc/0xaec [ 56.034921][ T5321] btrfs_rename2+0x1bf8/0x307c [ 56.035619][ T5321] vfs_rename+0x95c/0xde0 [ 56.036271][ T5321] do_renameat2+0x774/0xcfc [ 56.036955][ T5321] __arm64_sys_renameat2+0xe0/0xfc [ 56.037686][ T5321] invoke_syscall+0x98/0x2b0 [ 56.038342][ T5321] el0_svc_common+0x138/0x258 [ 56.039023][ T5321] do_el0_svc+0x58/0x13c [ 56.039666][ T5321] el0_svc+0x78/0x1d0 [ 56.040222][ T5321] el0t_64_sync_handler+0xcc/0xe4 [ 56.040928][ T5321] el0t_64_sync+0x1a0/0x1a4 [ 56.042954][ T5321] ------------[ cut here ]------------ [ 56.043893][ T5321] WARNING: CPU: 0 PID: 5321 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 56.045251][ T5321] Modules linked in: [ 56.045814][ T5321] CPU: 0 PID: 5321 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.047172][ T5321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.048639][ T5321] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.049780][ T5321] pc : btrfs_rename2+0x26a8/0x307c [ 56.050528][ T5321] lr : btrfs_rename2+0x26a8/0x307c [ 56.051297][ T5321] sp : ffff800022277870 [ 56.051875][ T5321] x29: ffff800022277980 x28: ffff0000d8b4f1f0 x27: 0000000000000000 [ 56.052988][ T5321] x26: dfff800000000000 x25: ffff0000de5cc970 x24: ffff0000c8a5e000 [ 56.054153][ T5321] x23: ffff0000de5cc4b0 x22: ffff80001430fcc0 x21: 1fffe0001bceddef [ 56.055335][ T5321] x20: ffff0000de76ef78 x19: 00000000fffffff4 x18: 0000000000000001 [ 56.056541][ T5321] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 56.057656][ T5321] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 56.058766][ T5321] x11: 0000000000000000 x10: 0000000000000000 x9 : cc7ffcaefd059400 [ 56.060001][ T5321] x8 : cc7ffcaefd059400 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.061138][ T5321] x5 : ffff800022277178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 56.062275][ T5321] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.063443][ T5321] Call trace: [ 56.063912][ T5321] btrfs_rename2+0x26a8/0x307c [ 56.064610][ T5321] vfs_rename+0x95c/0xde0 [ 56.065219][ T5321] do_renameat2+0x774/0xcfc [ 56.065862][ T5321] __arm64_sys_renameat2+0xe0/0xfc [ 56.066617][ T5321] invoke_syscall+0x98/0x2b0 [ 56.067310][ T5321] el0_svc_common+0x138/0x258 [ 56.068008][ T5321] do_el0_svc+0x58/0x13c [ 56.068590][ T5321] el0_svc+0x78/0x1d0 [ 56.069186][ T5321] el0t_64_sync_handler+0xcc/0xe4 [ 56.069904][ T5321] el0t_64_sync+0x1a0/0x1a4 [ 56.070573][ T5321] irq event stamp: 79010 [ 56.071142][ T5321] hardirqs last enabled at (79009): [] __up_console_sem+0xb4/0xfc [ 56.072484][ T5321] hardirqs last disabled at (79010): [] el1_dbg+0x24/0x80 [ 56.073692][ T5321] softirqs last enabled at (78990): [] handle_softirqs+0xa40/0xbe4 [ 56.075091][ T5321] softirqs last disabled at (78977): [] __irq_exit_rcu+0x240/0x43c [ 56.076408][ T5321] ---[ end trace f29460aa6a3ebe7f ]--- [ 56.078924][ T5321] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 56.080211][ T5321] BTRFS info (device loop0): forced readonly [ 56.298573][ T5342] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5342) [ 56.302276][ T5342] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.304076][ T5342] BTRFS info (device loop0): using free space tree [ 56.305339][ T5342] BTRFS info (device loop0): has skinny extents [ 56.312833][ T5342] BTRFS info (device loop0): enabling ssd optimizations [ 56.325010][ T5342] FAULT_INJECTION: forcing a failure. [ 56.325010][ T5342] name failslab, interval 1, probability 0, space 0, times 0 [ 56.327183][ T5342] CPU: 0 PID: 5342 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.328539][ T5342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.330024][ T5342] Call trace: [ 56.330533][ T5342] dump_backtrace+0x0/0x458 [ 56.331250][ T5342] show_stack+0x2c/0x3c [ 56.331876][ T5342] __dump_stack+0x30/0x40 [ 56.332484][ T5342] dump_stack_lvl+0xf4/0x15c [ 56.333146][ T5342] dump_stack+0x1c/0x5c [ 56.333750][ T5342] should_fail+0x3bc/0x514 [ 56.334339][ T5342] __should_failslab+0xbc/0x10c [ 56.335019][ T5342] should_failslab+0x10/0x28 [ 56.335651][ T5342] slab_pre_alloc_hook+0x64/0xe8 [ 56.336391][ T5342] kmem_cache_alloc+0x94/0x3d4 [ 56.337084][ T5342] start_transaction+0x4d0/0x13ec [ 56.337799][ T5342] btrfs_start_transaction+0x34/0x44 [ 56.338619][ T5342] btrfs_rename2+0x15d8/0x307c [ 56.339306][ T5342] vfs_rename+0x95c/0xde0 [ 56.339914][ T5342] do_renameat2+0x774/0xcfc [ 56.340555][ T5342] __arm64_sys_renameat2+0xe0/0xfc [ 56.341318][ T5342] invoke_syscall+0x98/0x2b0 [ 56.341955][ T5342] el0_svc_common+0x138/0x258 [ 56.342675][ T5342] do_el0_svc+0x58/0x13c [ 56.343351][ T5342] el0_svc+0x78/0x1d0 [ 56.343916][ T5342] el0t_64_sync_handler+0xcc/0xe4 [ 56.344682][ T5342] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:00:56 executed programs: 35 [ 56.541560][ T5363] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5363) [ 56.545704][ T5363] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.547341][ T5363] BTRFS info (device loop0): using free space tree [ 56.548302][ T5363] BTRFS info (device loop0): has skinny extents [ 56.557161][ T5363] BTRFS info (device loop0): enabling ssd optimizations [ 56.562293][ T5363] FAULT_INJECTION: forcing a failure. [ 56.562293][ T5363] name failslab, interval 1, probability 0, space 0, times 0 [ 56.564428][ T5363] CPU: 1 PID: 5363 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.565780][ T5363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.567250][ T5363] Call trace: [ 56.567728][ T5363] dump_backtrace+0x0/0x458 [ 56.568426][ T5363] show_stack+0x2c/0x3c [ 56.569088][ T5363] __dump_stack+0x30/0x40 [ 56.569809][ T5363] dump_stack_lvl+0xf4/0x15c [ 56.570536][ T5363] dump_stack+0x1c/0x5c [ 56.571196][ T5363] should_fail+0x3bc/0x514 [ 56.571884][ T5363] __should_failslab+0xbc/0x10c [ 56.572608][ T5363] should_failslab+0x10/0x28 [ 56.573272][ T5363] slab_pre_alloc_hook+0x64/0xe8 [ 56.573986][ T5363] kmem_cache_alloc+0x94/0x3d4 [ 56.574630][ T5363] btrfs_alloc_path+0x5c/0x68 [ 56.575332][ T5363] __btrfs_unlink_inode+0x1dc/0xaec [ 56.576093][ T5363] btrfs_rename2+0x1bf8/0x307c [ 56.576837][ T5363] vfs_rename+0x95c/0xde0 [ 56.577440][ T5363] do_renameat2+0x774/0xcfc [ 56.578075][ T5363] __arm64_sys_renameat2+0xe0/0xfc [ 56.578863][ T5363] invoke_syscall+0x98/0x2b0 [ 56.579529][ T5363] el0_svc_common+0x138/0x258 [ 56.580207][ T5363] do_el0_svc+0x58/0x13c [ 56.580811][ T5363] el0_svc+0x78/0x1d0 [ 56.581444][ T5363] el0t_64_sync_handler+0xcc/0xe4 [ 56.582220][ T5363] el0t_64_sync+0x1a0/0x1a4 [ 56.583074][ T5363] ------------[ cut here ]------------ [ 56.584028][ T5363] WARNING: CPU: 1 PID: 5363 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 56.585425][ T5363] Modules linked in: [ 56.586018][ T5363] CPU: 1 PID: 5363 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.587356][ T5363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.588879][ T5363] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.590079][ T5363] pc : btrfs_rename2+0x26a8/0x307c [ 56.590818][ T5363] lr : btrfs_rename2+0x26a8/0x307c [ 56.591588][ T5363] sp : ffff800021f67870 [ 56.592179][ T5363] x29: ffff800021f67980 x28: ffff0000de6da920 x27: 0000000000000000 [ 56.593361][ T5363] x26: dfff800000000000 x25: ffff0000de59fa80 x24: ffff0000e4daa000 [ 56.594582][ T5363] x23: ffff0000de59f5c0 x22: ffff80001430fcc0 x21: 1fffe0001bcc0913 [ 56.595695][ T5363] x20: ffff0000de604898 x19: 00000000fffffff4 x18: 0000000000000001 [ 56.596903][ T5363] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 56.598082][ T5363] x14: 0000000000000001 x13: 1ffff000043ece2c x12: 0000000000ff0100 [ 56.599267][ T5363] x11: 0000000000000000 x10: 0000000000000000 x9 : 5f04b1cefdbbb000 [ 56.600509][ T5363] x8 : 5f04b1cefdbbb000 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.601677][ T5363] x5 : ffff800021f67178 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 56.602835][ T5363] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.603996][ T5363] Call trace: [ 56.604485][ T5363] btrfs_rename2+0x26a8/0x307c [ 56.605180][ T5363] vfs_rename+0x95c/0xde0 [ 56.605819][ T5363] do_renameat2+0x774/0xcfc [ 56.606466][ T5363] __arm64_sys_renameat2+0xe0/0xfc [ 56.607227][ T5363] invoke_syscall+0x98/0x2b0 [ 56.607894][ T5363] el0_svc_common+0x138/0x258 [ 56.608540][ T5363] do_el0_svc+0x58/0x13c [ 56.609172][ T5363] el0_svc+0x78/0x1d0 [ 56.609765][ T5363] el0t_64_sync_handler+0xcc/0xe4 [ 56.610524][ T5363] el0t_64_sync+0x1a0/0x1a4 [ 56.611180][ T5363] irq event stamp: 79060 [ 56.611835][ T5363] hardirqs last enabled at (79059): [] __up_console_sem+0xb4/0xfc [ 56.613174][ T5363] hardirqs last disabled at (79060): [] el1_dbg+0x24/0x80 [ 56.614392][ T5363] softirqs last enabled at (79040): [] handle_softirqs+0xa40/0xbe4 [ 56.615762][ T5363] softirqs last disabled at (78987): [] __irq_exit_rcu+0x240/0x43c [ 56.617137][ T5363] ---[ end trace f29460aa6a3ebe80 ]--- [ 56.618236][ T5363] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 56.619644][ T5363] BTRFS info (device loop0): forced readonly [ 56.796560][ T5384] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5384) [ 56.803137][ T5384] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 56.804795][ T5384] BTRFS info (device loop0): using free space tree [ 56.805775][ T5384] BTRFS info (device loop0): has skinny extents [ 56.814061][ T5384] BTRFS info (device loop0): enabling ssd optimizations [ 56.826359][ T5384] FAULT_INJECTION: forcing a failure. [ 56.826359][ T5384] name failslab, interval 1, probability 0, space 0, times 0 [ 56.828501][ T5384] CPU: 0 PID: 5384 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.829740][ T5384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.831233][ T5384] Call trace: [ 56.831710][ T5384] dump_backtrace+0x0/0x458 [ 56.832426][ T5384] show_stack+0x2c/0x3c [ 56.833031][ T5384] __dump_stack+0x30/0x40 [ 56.833698][ T5384] dump_stack_lvl+0xf4/0x15c [ 56.834395][ T5384] dump_stack+0x1c/0x5c [ 56.835042][ T5384] should_fail+0x3bc/0x514 [ 56.835714][ T5384] __should_failslab+0xbc/0x10c [ 56.836420][ T5384] should_failslab+0x10/0x28 [ 56.837072][ T5384] slab_pre_alloc_hook+0x64/0xe8 [ 56.837769][ T5384] kmem_cache_alloc+0x94/0x3d4 [ 56.838528][ T5384] btrfs_alloc_path+0x5c/0x68 [ 56.839191][ T5384] __btrfs_unlink_inode+0x1dc/0xaec [ 56.839983][ T5384] btrfs_rename2+0x1bf8/0x307c [ 56.840689][ T5384] vfs_rename+0x95c/0xde0 [ 56.841303][ T5384] do_renameat2+0x774/0xcfc [ 56.841952][ T5384] __arm64_sys_renameat2+0xe0/0xfc [ 56.842723][ T5384] invoke_syscall+0x98/0x2b0 [ 56.843386][ T5384] el0_svc_common+0x138/0x258 [ 56.844040][ T5384] do_el0_svc+0x58/0x13c [ 56.844667][ T5384] el0_svc+0x78/0x1d0 [ 56.845269][ T5384] el0t_64_sync_handler+0xcc/0xe4 [ 56.845993][ T5384] el0t_64_sync+0x1a0/0x1a4 [ 56.848658][ T5384] ------------[ cut here ]------------ [ 56.849567][ T5384] WARNING: CPU: 0 PID: 5384 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 56.850913][ T5384] Modules linked in: [ 56.851550][ T5384] CPU: 0 PID: 5384 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.853109][ T5384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.854657][ T5384] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.855807][ T5384] pc : btrfs_rename2+0x26a8/0x307c [ 56.856550][ T5384] lr : btrfs_rename2+0x26a8/0x307c [ 56.857317][ T5384] sp : ffff800022887870 [ 56.857896][ T5384] x29: ffff800022887980 x28: ffff0000de74b7d0 x27: 0000000000000000 [ 56.859097][ T5384] x26: dfff800000000000 x25: ffff0000de6570b0 x24: ffff0000cad22000 [ 56.860270][ T5384] x23: ffff0000de656bf0 x22: ffff80001430fcc0 x21: 1fffe0001bcedd6b [ 56.861437][ T5384] x20: ffff0000de76eb58 x19: 00000000fffffff4 x18: 0000000000000001 [ 56.862691][ T5384] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 56.863897][ T5384] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 56.865049][ T5384] x11: 0000000000000000 x10: 0000000000000000 x9 : 0fbc0fbf86592100 [ 56.866181][ T5384] x8 : 0fbc0fbf86592100 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.867331][ T5384] x5 : ffff800022887178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 56.868497][ T5384] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.869757][ T5384] Call trace: [ 56.870243][ T5384] btrfs_rename2+0x26a8/0x307c [ 56.870957][ T5384] vfs_rename+0x95c/0xde0 [ 56.871585][ T5384] do_renameat2+0x774/0xcfc [ 56.872189][ T5384] __arm64_sys_renameat2+0xe0/0xfc [ 56.873047][ T5384] invoke_syscall+0x98/0x2b0 [ 56.873763][ T5384] el0_svc_common+0x138/0x258 [ 56.874511][ T5384] do_el0_svc+0x58/0x13c [ 56.875141][ T5384] el0_svc+0x78/0x1d0 [ 56.875731][ T5384] el0t_64_sync_handler+0xcc/0xe4 [ 56.876424][ T5384] el0t_64_sync+0x1a0/0x1a4 [ 56.877089][ T5384] irq event stamp: 79398 [ 56.877675][ T5384] hardirqs last enabled at (79397): [] __up_console_sem+0xb4/0xfc [ 56.879000][ T5384] hardirqs last disabled at (79398): [] el1_dbg+0x24/0x80 [ 56.880192][ T5384] softirqs last enabled at (79378): [] handle_softirqs+0xa40/0xbe4 [ 56.881639][ T5384] softirqs last disabled at (79333): [] __irq_exit_rcu+0x240/0x43c [ 56.883046][ T5384] ---[ end trace f29460aa6a3ebe81 ]--- [ 56.884670][ T5384] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 56.885947][ T5384] BTRFS info (device loop0): forced readonly [ 57.067585][ T5405] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5405) [ 57.072401][ T5405] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.073857][ T5405] BTRFS info (device loop0): using free space tree [ 57.075142][ T5405] BTRFS info (device loop0): has skinny extents [ 57.082848][ T5405] BTRFS info (device loop0): enabling ssd optimizations [ 57.087895][ T5405] FAULT_INJECTION: forcing a failure. [ 57.087895][ T5405] name failslab, interval 1, probability 0, space 0, times 0 [ 57.089996][ T5405] CPU: 0 PID: 5405 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.091375][ T5405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.092934][ T5405] Call trace: [ 57.093422][ T5405] dump_backtrace+0x0/0x458 [ 57.094115][ T5405] show_stack+0x2c/0x3c [ 57.094708][ T5405] __dump_stack+0x30/0x40 [ 57.095362][ T5405] dump_stack_lvl+0xf4/0x15c [ 57.096075][ T5405] dump_stack+0x1c/0x5c [ 57.096684][ T5405] should_fail+0x3bc/0x514 [ 57.097326][ T5405] __should_failslab+0xbc/0x10c [ 57.097984][ T5405] should_failslab+0x10/0x28 [ 57.098629][ T5405] slab_pre_alloc_hook+0x64/0xe8 [ 57.099339][ T5405] kmem_cache_alloc+0x94/0x3d4 [ 57.100045][ T5405] btrfs_alloc_path+0x5c/0x68 [ 57.100680][ T5405] btrfs_insert_inode_ref+0xf0/0xa2c [ 57.101378][ T5405] btrfs_rename2+0x1978/0x307c [ 57.102009][ T5405] vfs_rename+0x95c/0xde0 [ 57.102594][ T5405] do_renameat2+0x774/0xcfc [ 57.103268][ T5405] __arm64_sys_renameat2+0xe0/0xfc [ 57.104015][ T5405] invoke_syscall+0x98/0x2b0 [ 57.104652][ T5405] el0_svc_common+0x138/0x258 [ 57.105287][ T5405] do_el0_svc+0x58/0x13c [ 57.105862][ T5405] el0_svc+0x78/0x1d0 [ 57.106438][ T5405] el0t_64_sync_handler+0xcc/0xe4 [ 57.107160][ T5405] el0t_64_sync+0x1a0/0x1a4 [ 57.301046][ T5426] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5426) [ 57.305183][ T5426] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.306675][ T5426] BTRFS info (device loop0): using free space tree [ 57.307665][ T5426] BTRFS info (device loop0): has skinny extents [ 57.319917][ T5426] BTRFS info (device loop0): enabling ssd optimizations [ 57.325109][ T5426] FAULT_INJECTION: forcing a failure. [ 57.325109][ T5426] name failslab, interval 1, probability 0, space 0, times 0 [ 57.327111][ T5426] CPU: 0 PID: 5426 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.328380][ T5426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.329783][ T5426] Call trace: [ 57.330242][ T5426] dump_backtrace+0x0/0x458 [ 57.330864][ T5426] show_stack+0x2c/0x3c [ 57.331470][ T5426] __dump_stack+0x30/0x40 [ 57.332138][ T5426] dump_stack_lvl+0xf4/0x15c [ 57.332851][ T5426] dump_stack+0x1c/0x5c [ 57.333484][ T5426] should_fail+0x3bc/0x514 [ 57.334098][ T5426] __should_failslab+0xbc/0x10c [ 57.334864][ T5426] should_failslab+0x10/0x28 [ 57.335561][ T5426] slab_pre_alloc_hook+0x64/0xe8 [ 57.336268][ T5426] kmem_cache_alloc+0x94/0x3d4 [ 57.336985][ T5426] btrfs_alloc_path+0x5c/0x68 [ 57.337647][ T5426] __btrfs_unlink_inode+0x1dc/0xaec [ 57.338451][ T5426] btrfs_rename2+0x1bf8/0x307c [ 57.339145][ T5426] vfs_rename+0x95c/0xde0 [ 57.339772][ T5426] do_renameat2+0x774/0xcfc [ 57.340403][ T5426] __arm64_sys_renameat2+0xe0/0xfc [ 57.341122][ T5426] invoke_syscall+0x98/0x2b0 [ 57.341809][ T5426] el0_svc_common+0x138/0x258 [ 57.342490][ T5426] do_el0_svc+0x58/0x13c [ 57.343136][ T5426] el0_svc+0x78/0x1d0 [ 57.343702][ T5426] el0t_64_sync_handler+0xcc/0xe4 [ 57.344496][ T5426] el0t_64_sync+0x1a0/0x1a4 [ 57.346628][ T5426] ------------[ cut here ]------------ [ 57.347611][ T5426] WARNING: CPU: 0 PID: 5426 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 57.349061][ T5426] Modules linked in: [ 57.349695][ T5426] CPU: 0 PID: 5426 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.351100][ T5426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.352608][ T5426] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.353741][ T5426] pc : btrfs_rename2+0x26a8/0x307c [ 57.354491][ T5426] lr : btrfs_rename2+0x26a8/0x307c [ 57.355234][ T5426] sp : ffff800022a57870 [ 57.355807][ T5426] x29: ffff800022a57980 x28: ffff0000c51a97d0 x27: 0000000000000000 [ 57.356963][ T5426] x26: dfff800000000000 x25: ffff0000de78e6e0 x24: ffff0000ce262000 [ 57.358161][ T5426] x23: ffff0000de78e220 x22: ffff80001430fcc0 x21: 1fffe0001bcb06d1 [ 57.359334][ T5426] x20: ffff0000de583688 x19: 00000000fffffff4 x18: 0000000000000001 [ 57.360520][ T5426] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 57.361622][ T5426] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 57.362826][ T5426] x11: 0000000000000000 x10: 0000000000000000 x9 : 8187d3af0254a900 [ 57.364022][ T5426] x8 : 8187d3af0254a900 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.365220][ T5426] x5 : ffff800022a57178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 57.366391][ T5426] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.367536][ T5426] Call trace: [ 57.368012][ T5426] btrfs_rename2+0x26a8/0x307c [ 57.368689][ T5426] vfs_rename+0x95c/0xde0 [ 57.369314][ T5426] do_renameat2+0x774/0xcfc [ 57.369970][ T5426] __arm64_sys_renameat2+0xe0/0xfc [ 57.370742][ T5426] invoke_syscall+0x98/0x2b0 [ 57.371412][ T5426] el0_svc_common+0x138/0x258 [ 57.372102][ T5426] do_el0_svc+0x58/0x13c [ 57.372740][ T5426] el0_svc+0x78/0x1d0 [ 57.373343][ T5426] el0t_64_sync_handler+0xcc/0xe4 [ 57.374060][ T5426] el0t_64_sync+0x1a0/0x1a4 [ 57.374776][ T5426] irq event stamp: 79288 [ 57.375436][ T5426] hardirqs last enabled at (79287): [] __up_console_sem+0xb4/0xfc [ 57.376894][ T5426] hardirqs last disabled at (79288): [] el1_dbg+0x24/0x80 [ 57.378236][ T5426] softirqs last enabled at (79268): [] handle_softirqs+0xa40/0xbe4 [ 57.379607][ T5426] softirqs last disabled at (79241): [] __irq_exit_rcu+0x240/0x43c [ 57.381033][ T5426] ---[ end trace f29460aa6a3ebe82 ]--- [ 57.383516][ T5426] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 57.386112][ T5426] BTRFS info (device loop0): forced readonly [ 57.549765][ T5447] set_capacity_and_notify: 10 callbacks suppressed [ 57.549775][ T5447] loop0: detected capacity change from 0 to 32768 [ 57.553731][ T5447] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5447) [ 57.558274][ T5447] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.559922][ T5447] BTRFS info (device loop0): using free space tree [ 57.560905][ T5447] BTRFS info (device loop0): has skinny extents [ 57.568825][ T5447] BTRFS info (device loop0): enabling ssd optimizations [ 57.574137][ T5447] FAULT_INJECTION: forcing a failure. [ 57.574137][ T5447] name failslab, interval 1, probability 0, space 0, times 0 [ 57.577051][ T5447] CPU: 1 PID: 5447 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.578423][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.580012][ T5447] Call trace: [ 57.580520][ T5447] dump_backtrace+0x0/0x458 [ 57.581264][ T5447] show_stack+0x2c/0x3c [ 57.581931][ T5447] __dump_stack+0x30/0x40 [ 57.582568][ T5447] dump_stack_lvl+0xf4/0x15c [ 57.583258][ T5447] dump_stack+0x1c/0x5c [ 57.583907][ T5447] should_fail+0x3bc/0x514 [ 57.584610][ T5447] __should_failslab+0xbc/0x10c [ 57.585339][ T5447] should_failslab+0x10/0x28 [ 57.586050][ T5447] slab_pre_alloc_hook+0x64/0xe8 [ 57.586803][ T5447] kmem_cache_alloc+0x94/0x3d4 [ 57.587546][ T5447] btrfs_alloc_path+0x5c/0x68 [ 57.588259][ T5447] __btrfs_unlink_inode+0x1dc/0xaec [ 57.589035][ T5447] btrfs_rename2+0x1bf8/0x307c [ 57.589749][ T5447] vfs_rename+0x95c/0xde0 [ 57.590381][ T5447] do_renameat2+0x774/0xcfc [ 57.591053][ T5447] __arm64_sys_renameat2+0xe0/0xfc [ 57.591858][ T5447] invoke_syscall+0x98/0x2b0 [ 57.592524][ T5447] el0_svc_common+0x138/0x258 [ 57.593160][ T5447] do_el0_svc+0x58/0x13c [ 57.593825][ T5447] el0_svc+0x78/0x1d0 [ 57.594437][ T5447] el0t_64_sync_handler+0xcc/0xe4 [ 57.595223][ T5447] el0t_64_sync+0x1a0/0x1a4 [ 57.596668][ T5447] ------------[ cut here ]------------ [ 57.597571][ T5447] WARNING: CPU: 1 PID: 5447 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 57.598990][ T5447] Modules linked in: [ 57.599582][ T5447] CPU: 1 PID: 5447 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.600996][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.602498][ T5447] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.603677][ T5447] pc : btrfs_rename2+0x26a8/0x307c [ 57.604463][ T5447] lr : btrfs_rename2+0x26a8/0x307c [ 57.605188][ T5447] sp : ffff800022fd7870 [ 57.605798][ T5447] x29: ffff800022fd7980 x28: ffff0000dc87b4e0 x27: 0000000000000000 [ 57.606997][ T5447] x26: dfff800000000000 x25: ffff0000de6566e0 x24: ffff0000cf0a8000 [ 57.608235][ T5447] x23: ffff0000de656220 x22: ffff80001430fcc0 x21: 1fffe0001b975abb [ 57.609470][ T5447] x20: ffff0000dcbad5d8 x19: 00000000fffffff4 x18: 0000000000000001 [ 57.610618][ T5447] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 57.611839][ T5447] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 57.613030][ T5447] x11: 0000000000000000 x10: 0000000000000000 x9 : 188c5bc4b66ac900 [ 57.614243][ T5447] x8 : 188c5bc4b66ac900 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.615427][ T5447] x5 : ffff800022fd7178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 57.616560][ T5447] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.617713][ T5447] Call trace: [ 57.618177][ T5447] btrfs_rename2+0x26a8/0x307c [ 57.618850][ T5447] vfs_rename+0x95c/0xde0 [ 57.619477][ T5447] do_renameat2+0x774/0xcfc [ 57.620122][ T5447] __arm64_sys_renameat2+0xe0/0xfc [ 57.620877][ T5447] invoke_syscall+0x98/0x2b0 [ 57.621542][ T5447] el0_svc_common+0x138/0x258 [ 57.622234][ T5447] do_el0_svc+0x58/0x13c [ 57.622875][ T5447] el0_svc+0x78/0x1d0 [ 57.623478][ T5447] el0t_64_sync_handler+0xcc/0xe4 [ 57.624206][ T5447] el0t_64_sync+0x1a0/0x1a4 [ 57.624891][ T5447] irq event stamp: 79032 [ 57.625575][ T5447] hardirqs last enabled at (79031): [] __up_console_sem+0xb4/0xfc [ 57.627023][ T5447] hardirqs last disabled at (79032): [] el1_dbg+0x24/0x80 [ 57.628267][ T5447] softirqs last enabled at (79012): [] handle_softirqs+0xa40/0xbe4 [ 57.629589][ T5447] softirqs last disabled at (78999): [] __irq_exit_rcu+0x240/0x43c [ 57.630864][ T5447] ---[ end trace f29460aa6a3ebe83 ]--- [ 57.631865][ T5447] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 57.633411][ T5447] BTRFS info (device loop0): forced readonly [ 57.815075][ T5468] loop0: detected capacity change from 0 to 32768 [ 57.817451][ T5468] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5468) [ 57.820435][ T5468] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 57.822563][ T5468] BTRFS info (device loop0): using free space tree [ 57.823565][ T5468] BTRFS info (device loop0): has skinny extents [ 57.833378][ T5468] BTRFS info (device loop0): enabling ssd optimizations [ 57.838458][ T5468] FAULT_INJECTION: forcing a failure. [ 57.838458][ T5468] name failslab, interval 1, probability 0, space 0, times 0 [ 57.840527][ T5468] CPU: 0 PID: 5468 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.841987][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.843542][ T5468] Call trace: [ 57.844032][ T5468] dump_backtrace+0x0/0x458 [ 57.844652][ T5468] show_stack+0x2c/0x3c [ 57.845258][ T5468] __dump_stack+0x30/0x40 [ 57.845880][ T5468] dump_stack_lvl+0xf4/0x15c [ 57.846504][ T5468] dump_stack+0x1c/0x5c [ 57.847098][ T5468] should_fail+0x3bc/0x514 [ 57.847721][ T5468] __should_failslab+0xbc/0x10c [ 57.848432][ T5468] should_failslab+0x10/0x28 [ 57.849065][ T5468] slab_pre_alloc_hook+0x64/0xe8 [ 57.849781][ T5468] kmem_cache_alloc+0x94/0x3d4 [ 57.850459][ T5468] btrfs_alloc_path+0x5c/0x68 [ 57.851110][ T5468] __btrfs_unlink_inode+0x1dc/0xaec [ 57.851912][ T5468] btrfs_rename2+0x1bf8/0x307c [ 57.852615][ T5468] vfs_rename+0x95c/0xde0 [ 57.853284][ T5468] do_renameat2+0x774/0xcfc [ 57.853988][ T5468] __arm64_sys_renameat2+0xe0/0xfc [ 57.854737][ T5468] invoke_syscall+0x98/0x2b0 [ 57.855409][ T5468] el0_svc_common+0x138/0x258 [ 57.856078][ T5468] do_el0_svc+0x58/0x13c [ 57.856806][ T5468] el0_svc+0x78/0x1d0 [ 57.857494][ T5468] el0t_64_sync_handler+0xcc/0xe4 [ 57.858319][ T5468] el0t_64_sync+0x1a0/0x1a4 [ 57.861332][ T5468] ------------[ cut here ]------------ [ 57.862277][ T5468] WARNING: CPU: 0 PID: 5468 at fs/btrfs/inode.c:9948 btrfs_rename2+0x26a8/0x307c [ 57.863714][ T5468] Modules linked in: [ 57.864285][ T5468] CPU: 0 PID: 5468 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.865580][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.866966][ T5468] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.868070][ T5468] pc : btrfs_rename2+0x26a8/0x307c [ 57.868799][ T5468] lr : btrfs_rename2+0x26a8/0x307c [ 57.869516][ T5468] sp : ffff800022887870 [ 57.870150][ T5468] x29: ffff800022887980 x28: ffff0000dc9c7658 x27: 0000000000000000 [ 57.871341][ T5468] x26: dfff800000000000 x25: ffff0000de788e90 x24: ffff0000c604c000 [ 57.872508][ T5468] x23: ffff0000de7889d0 x22: ffff80001430fcc0 x21: 1fffe0001bcb06bb [ 57.873641][ T5468] x20: ffff0000de5835d8 x19: 00000000fffffff4 x18: 0000000000000001 [ 57.874755][ T5468] x17: 0000000000000000 x16: ffff800011254cd0 x15: 00000000ffffffff [ 57.875865][ T5468] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 57.876986][ T5468] x11: 0000000000000000 x10: 0000000000000000 x9 : 809a2036b7201700 [ 57.878073][ T5468] x8 : 809a2036b7201700 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.879198][ T5468] x5 : ffff800022887178 x4 : ffff80001436f3e0 x3 : ffff800008508e1c [ 57.880311][ T5468] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.881428][ T5468] Call trace: [ 57.881895][ T5468] btrfs_rename2+0x26a8/0x307c [ 57.882573][ T5468] vfs_rename+0x95c/0xde0 [ 57.883230][ T5468] do_renameat2+0x774/0xcfc [ 57.883869][ T5468] __arm64_sys_renameat2+0xe0/0xfc [ 57.884582][ T5468] invoke_syscall+0x98/0x2b0 [ 57.885243][ T5468] el0_svc_common+0x138/0x258 [ 57.885915][ T5468] do_el0_svc+0x58/0x13c [ 57.886526][ T5468] el0_svc+0x78/0x1d0 [ 57.887130][ T5468] el0t_64_sync_handler+0xcc/0xe4 [ 57.887879][ T5468] el0t_64_sync+0x1a0/0x1a4 [ 57.888549][ T5468] irq event stamp: 79074 [ 57.889150][ T5468] hardirqs last enabled at (79073): [] __up_console_sem+0xb4/0xfc [ 57.890522][ T5468] hardirqs last disabled at (79074): [] el1_dbg+0x24/0x80 [ 57.891762][ T5468] softirqs last enabled at (79054): [] handle_softirqs+0xa40/0xbe4 [ 57.893083][ T5468] softirqs last disabled at (78983): [] __irq_exit_rcu+0x240/0x43c [ 57.894491][ T5468] ---[ end trace f29460aa6a3ebe84 ]--- [ 57.896271][ T5468] BTRFS: error (device loop0) in btrfs_rename:9948: errno=-12 Out of memory [ 57.897746][ T5468] BTRFS info (device loop0): forced readonly [ 58.076937][ T5489] loop0: detected capacity change from 0 to 32768 [ 58.079651][ T5489] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5489) [ 58.082781][ T5489] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 58.084557][ T5489] BTRFS info (device loop0): using free space tree [ 58.085696][ T5489] BTRFS info (device loop0): has skinny extents [ 58.096205][ T5489] BTRFS info (device loop0): enabling ssd optimizations [ 58.101169][ T5489] FAULT_INJECTION: forcing a failure. [ 58.101169][ T5489] name failslab, interval 1, probability 0, space 0, times 0 [ 58.103294][ T5489] CPU: 1 PID: 5489 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 58.104752][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 58.106258][ T5489] Call trace: [ 58.106723][ T5489] dump_backtrace+0x0/0x458 [ 58.107401][ T5489] show_stack+0x2c/0x3c [ 58.108043][ T5489] __dump_stack+0x30/0x40 [ 58.108678][ T5489] dump_stack_lvl+0xf4/0x15c [ 58.109344][ T5489] dump_stack+0x1c/0x5c [ 58.110013][ T5489] should_fail+0x3bc/0x514 [ 58.110674][ T5489] __should_failslab+0xbc/0x10c [ 58.111436][ T5489] should_failslab+0x10/0x28 [ 58.112160][ T5489] slab_pre_alloc_hook+0x64/0xe8 [ 58.112882][ T5489] kmem_cache_alloc+0x94/0x3d4 [ 58.113537][ T5489] btrfs_alloc_path+0x5c/0x68 [ 58.114226][ T5489] btrfs_check_dir_item_collision+0x9c/0x2ec [ 58.115119][ T5489] btrfs_rename2+0x14ac/0x307c [ 58.115830][ T5489] vfs_rename+0x95c/0xde0 [ 58.116443][ T5489] do_renameat2+0x774/0xcfc [ 58.117100][ T5489] __arm64_sys_renameat2+0xe0/0xfc [ 58.117837][ T5489] invoke_syscall+0x98/0x2b0 [ 58.118499][ T5489] el0_svc_common+0x138/0x258 [ 58.119157][ T5489] do_el0_svc+0x58/0x13c [ 58.119757][ T5489] el0_svc+0x78/0x1d0 [ 58.120346][ T5489] el0t_64_sync_handler+0xcc/0xe4 [ 58.121034][ T5489] el0t_64_sync+0x1a0/0x1a4