[ 34.127040][ T375] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.245522][ T375] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.285083][ T375] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 36.326170][ T375] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.475928][ T375] device hsr_slave_0 left promiscuous mode [ 37.502425][ T375] device hsr_slave_1 left promiscuous mode [ 37.592304][ T375] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 37.593598][ T375] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 37.595473][ T375] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 37.596704][ T375] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 37.598073][ T375] device bridge_slave_1 left promiscuous mode [ 37.599332][ T375] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.633569][ T375] device bridge_slave_0 left promiscuous mode [ 37.634787][ T375] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.792411][ T375] device veth1_macvtap left promiscuous mode [ 37.793563][ T375] device veth0_macvtap left promiscuous mode [ 37.794608][ T375] device veth1_vlan left promiscuous mode [ 37.795628][ T375] device veth0_vlan left promiscuous mode [ 37.879465][ T375] team0 (unregistering): Port device team_slave_1 removed [ 37.884883][ T375] team0 (unregistering): Port device team_slave_0 removed [ 37.888899][ T375] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 37.916485][ T375] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 38.015692][ T375] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.184' (ED25519) to the list of known hosts. 1970/01/01 00:00:38 ignoring optional flag "type"="gce" 1970/01/01 00:00:38 parsed 1 programs [ 38.533220][ T4247] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:38 executed programs: 0 [ 38.594133][ T4254] chnl_net:caif_netlink_parms(): no params data found [ 38.612151][ T4254] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.614209][ T4254] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.615912][ T4254] device bridge_slave_0 entered promiscuous mode [ 38.617981][ T4254] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.619159][ T4254] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.620651][ T4254] device bridge_slave_1 entered promiscuous mode [ 38.628144][ T4254] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.630503][ T4254] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.638299][ T4254] team0: Port device team_slave_0 added [ 38.640064][ T4254] team0: Port device team_slave_1 added [ 38.646504][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.647794][ T4254] 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. [ 38.652451][ T4254] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.654701][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.655957][ T4254] 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. [ 38.660090][ T4254] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.723313][ T4254] device hsr_slave_0 entered promiscuous mode [ 38.762404][ T4254] device hsr_slave_1 entered promiscuous mode [ 39.354360][ T4254] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.393639][ T4254] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.444206][ T4254] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.484554][ T4254] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.587107][ T4254] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.593244][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.594781][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.604257][ T4254] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.606929][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.608635][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.610324][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.611524][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.614654][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.618708][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.623395][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.625147][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.626330][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.636038][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.637827][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.639496][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.641746][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.645031][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.646878][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.648838][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.650361][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.651913][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.655264][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.656804][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.659782][ T4254] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.698613][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.700011][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.703889][ T4254] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.714201][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.715819][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.723687][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.725274][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.727178][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.728641][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.730798][ T4254] device veth0_vlan entered promiscuous mode [ 39.736684][ T4254] device veth1_vlan entered promiscuous mode [ 39.753752][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.755358][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.756938][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.758519][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.760898][ T4254] device veth0_macvtap entered promiscuous mode [ 39.764176][ T4254] device veth1_macvtap entered promiscuous mode [ 39.777477][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.778760][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.780323][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 39.781788][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.784025][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.787057][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.792572][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.794420][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.796472][ T4254] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.797892][ T4254] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.799248][ T4254] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.800614][ T4254] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.958070][ T4388] loop0: detected capacity change from 0 to 32768 [ 39.966799][ T4388] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4388) [ 39.974245][ T4388] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 39.975844][ T4388] BTRFS info (device loop0): using free space tree [ 39.976889][ T4388] BTRFS info (device loop0): has skinny extents [ 40.035309][ T4388] BTRFS info (device loop0): enabling ssd optimizations [ 40.045865][ T4388] FAULT_INJECTION: forcing a failure. [ 40.045865][ T4388] name failslab, interval 1, probability 0, space 0, times 1 [ 40.048174][ T4388] CPU: 1 PID: 4388 Comm: syz-executor.0 Not tainted syzkaller #0 [ 40.049550][ T4388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 40.051425][ T4388] Call trace: [ 40.052025][ T4388] dump_backtrace+0x0/0x458 [ 40.052895][ T4388] show_stack+0x2c/0x3c [ 40.053700][ T4388] __dump_stack+0x30/0x40 [ 40.054520][ T4388] dump_stack_lvl+0xf4/0x15c [ 40.055437][ T4388] dump_stack+0x1c/0x5c [ 40.056186][ T4388] should_fail+0x3c8/0x520 [ 40.056967][ T4388] __should_failslab+0xbc/0x10c [ 40.057827][ T4388] should_failslab+0x10/0x28 [ 40.058761][ T4388] slab_pre_alloc_hook+0x64/0xe8 [ 40.059745][ T4388] kmem_cache_alloc+0x94/0x3d8 [ 40.060592][ T4388] btrfs_alloc_path+0x5c/0x68 [ 40.061388][ T4388] __btrfs_run_delayed_items+0x88/0x478 [ 40.062331][ T4388] btrfs_run_delayed_items+0x24/0x34 [ 40.063212][ T4388] btrfs_commit_transaction+0x7f8/0x30ac [ 40.064126][ T4388] create_snapshot+0x39c/0x69c [ 40.064906][ T4388] btrfs_mksubvol+0x510/0x658 [ 40.065668][ T4388] btrfs_mksnapshot+0xc8/0x168 [ 40.066495][ T4388] __btrfs_ioctl_snap_create+0x39c/0x488 [ 40.067447][ T4388] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 40.068566][ T4388] btrfs_ioctl+0x7f0/0xa8c [ 40.069345][ T4388] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.070257][ T4388] invoke_syscall+0x98/0x28c [ 40.071148][ T4388] el0_svc_common+0x13c/0x258 [ 40.071984][ T4388] do_el0_svc+0x5c/0x140 [ 40.072745][ T4388] el0_svc+0x78/0x1d0 [ 40.073411][ T4388] el0t_64_sync_handler+0xcc/0xe4 [ 40.074255][ T4388] el0t_64_sync+0x1a0/0x1a4 [ 40.075889][ T4388] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 40.077580][ T4388] ------------[ cut here ]------------ [ 40.078586][ T4388] WARNING: CPU: 1 PID: 4388 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1e20/0x30ac [ 40.080471][ T4388] Modules linked in: [ 40.081149][ T4388] CPU: 1 PID: 4388 Comm: syz-executor.0 Not tainted syzkaller #0 [ 40.082473][ T4388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 40.084252][ T4388] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 40.085601][ T4388] pc : btrfs_commit_transaction+0x1e20/0x30ac [ 40.086659][ T4388] lr : btrfs_commit_transaction+0x1e20/0x30ac [ 40.087719][ T4388] sp : ffff80001f9c7800 [ 40.088401][ T4388] x29: ffff80001f9c7a40 x28: ffff0000de96e000 x27: dfff800000000000 [ 40.089808][ T4388] x26: ffff700003f38f18 x25: ffff0000d8e46328 x24: ffff0000ce0019d0 [ 40.091193][ T4388] x23: 00000000fffffff4 x22: ffff0000da121000 x21: ffff0000ce000000 [ 40.092634][ T4388] x20: 0000000000000000 x19: 1fffe0001b1c8c65 x18: 0000000000000000 [ 40.094053][ T4388] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 40.095521][ T4388] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 40.096955][ T4388] x11: ff80800008300a7c x10: 0000000000000000 x9 : f7211bfbe2d96000 [ 40.098322][ T4388] x8 : f7211bfbe2d96000 x7 : 0000000000000001 x6 : 0000000000000001 [ 40.099728][ T4388] x5 : ffff80001f9c7118 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 40.101126][ T4388] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 40.102514][ T4388] Call trace: [ 40.103085][ T4388] btrfs_commit_transaction+0x1e20/0x30ac [ 40.104070][ T4388] create_snapshot+0x39c/0x69c [ 40.104947][ T4388] btrfs_mksubvol+0x510/0x658 [ 40.105769][ T4388] btrfs_mksnapshot+0xc8/0x168 [ 40.106608][ T4388] __btrfs_ioctl_snap_create+0x39c/0x488 [ 40.107621][ T4388] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 40.108587][ T4388] btrfs_ioctl+0x7f0/0xa8c [ 40.109349][ T4388] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.110164][ T4388] invoke_syscall+0x98/0x28c [ 40.110906][ T4388] el0_svc_common+0x13c/0x258 [ 40.111699][ T4388] do_el0_svc+0x5c/0x140 [ 40.112411][ T4388] el0_svc+0x78/0x1d0 [ 40.113086][ T4388] el0t_64_sync_handler+0xcc/0xe4 [ 40.113932][ T4388] el0t_64_sync+0x1a0/0x1a4 [ 40.114708][ T4388] irq event stamp: 81054 [ 40.115428][ T4388] hardirqs last enabled at (81053): [] __up_console_sem+0xb4/0xfc [ 40.117048][ T4388] hardirqs last disabled at (81054): [] el1_dbg+0x24/0x80 [ 40.118655][ T4388] softirqs last enabled at (81018): [] handle_softirqs+0xa70/0xc14 [ 40.120370][ T4388] softirqs last disabled at (80997): [] __irq_exit_rcu+0x240/0x434 [ 40.122186][ T4388] ---[ end trace c2c7cee6bf98bb90 ]--- [ 40.124240][ T4388] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 40.125939][ T4388] BTRFS info (device loop0): forced readonly [ 40.330544][ T4463] loop0: detected capacity change from 0 to 32768 [ 40.340084][ T4463] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4463) [ 40.350224][ T4463] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 40.352493][ T4463] BTRFS info (device loop0): using free space tree [ 40.355284][ T4463] BTRFS info (device loop0): has skinny extents [ 40.424349][ T4463] BTRFS info (device loop0): enabling ssd optimizations [ 40.433090][ T4463] FAULT_INJECTION: forcing a failure. [ 40.433090][ T4463] name failslab, interval 1, probability 0, space 0, times 0 [ 40.435283][ T4463] CPU: 1 PID: 4463 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 40.436736][ T4463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 40.438295][ T4463] Call trace: [ 40.438898][ T4463] dump_backtrace+0x0/0x458 [ 40.439672][ T4463] show_stack+0x2c/0x3c [ 40.440377][ T4463] __dump_stack+0x30/0x40 [ 40.441071][ T4463] dump_stack_lvl+0xf4/0x15c [ 40.441847][ T4463] dump_stack+0x1c/0x5c [ 40.442572][ T4463] should_fail+0x3c8/0x520 [ 40.443413][ T4463] __should_failslab+0xbc/0x10c [ 40.444202][ T4463] should_failslab+0x10/0x28 [ 40.444996][ T4463] slab_pre_alloc_hook+0x64/0xe8 [ 40.445843][ T4463] kmem_cache_alloc+0x94/0x3d8 [ 40.446655][ T4463] btrfs_alloc_path+0x5c/0x68 [ 40.447467][ T4463] __btrfs_run_delayed_items+0x88/0x478 [ 40.448418][ T4463] btrfs_run_delayed_items+0x24/0x34 [ 40.449345][ T4463] create_pending_snapshot+0x7a0/0x2420 [ 40.450301][ T4463] create_pending_snapshots+0x154/0x19c [ 40.451293][ T4463] btrfs_commit_transaction+0xe1c/0x30ac [ 40.452289][ T4463] create_snapshot+0x39c/0x69c [ 40.453131][ T4463] btrfs_mksubvol+0x510/0x658 [ 40.453951][ T4463] btrfs_mksnapshot+0xc8/0x168 [ 40.454817][ T4463] __btrfs_ioctl_snap_create+0x39c/0x488 [ 40.455819][ T4463] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 40.456832][ T4463] btrfs_ioctl+0x7f0/0xa8c [ 40.457590][ T4463] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.458450][ T4463] invoke_syscall+0x98/0x28c [ 40.459231][ T4463] el0_svc_common+0x13c/0x258 [ 40.460040][ T4463] do_el0_svc+0x5c/0x140 [ 40.460826][ T4463] el0_svc+0x78/0x1d0 [ 40.461493][ T4463] el0t_64_sync_handler+0xcc/0xe4 [ 40.462380][ T4463] el0t_64_sync+0x1a0/0x1a4 [ 40.471616][ T4463] ------------[ cut here ]------------ [ 40.472950][ T4463] WARNING: CPU: 1 PID: 4463 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 40.474775][ T4463] Modules linked in: [ 40.475444][ T4463] CPU: 1 PID: 4463 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 40.477122][ T4463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 40.478821][ T4463] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 40.480186][ T4463] pc : create_pending_snapshot+0x15f8/0x2420 [ 40.481242][ T4463] lr : create_pending_snapshot+0x15f8/0x2420 [ 40.482313][ T4463] sp : ffff80001fcc7520 [ 40.483038][ T4463] x29: ffff80001fcc7740 x28: ffff0000d28d5630 x27: ffff700003f98ec4 [ 40.484402][ T4463] x26: ffff0000c1c43200 x25: ffff0000c1c432a8 x24: dfff800000000000 [ 40.485781][ T4463] x23: ffff0000dd318a48 x22: ffff0000de96e0d0 x21: 1fffe00018388646 [ 40.487137][ T4463] x20: ffff0000de96e0b0 x19: 00000000fffffff4 x18: 0000000000000000 [ 40.488456][ T4463] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 40.489841][ T4463] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 40.491249][ T4463] x11: ff80800008300a7c x10: 0000000000000000 x9 : 47282c47d562e400 [ 40.492648][ T4463] x8 : 47282c47d562e400 x7 : 0000000000000001 x6 : 0000000000000001 [ 40.494052][ T4463] x5 : ffff80001fcc6e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 40.495409][ T4463] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 40.496740][ T4463] Call trace: [ 40.497269][ T4463] create_pending_snapshot+0x15f8/0x2420 [ 40.498234][ T4463] create_pending_snapshots+0x154/0x19c [ 40.499132][ T4463] btrfs_commit_transaction+0xe1c/0x30ac [ 40.500110][ T4463] create_snapshot+0x39c/0x69c [ 40.500911][ T4463] btrfs_mksubvol+0x510/0x658 [ 40.501877][ T4463] btrfs_mksnapshot+0xc8/0x168 [ 40.502877][ T4463] __btrfs_ioctl_snap_create+0x39c/0x488 [ 40.503997][ T4463] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 40.505114][ T4463] btrfs_ioctl+0x7f0/0xa8c [ 40.506006][ T4463] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.506950][ T4463] invoke_syscall+0x98/0x28c [ 40.507812][ T4463] el0_svc_common+0x13c/0x258 [ 40.508689][ T4463] do_el0_svc+0x5c/0x140 [ 40.509479][ T4463] el0_svc+0x78/0x1d0 [ 40.510313][ T4463] el0t_64_sync_handler+0xcc/0xe4 [ 40.511355][ T4463] el0t_64_sync+0x1a0/0x1a4 [ 40.512226][ T4463] irq event stamp: 80626 [ 40.513028][ T4463] hardirqs last enabled at (80625): [] __up_console_sem+0xb4/0xfc [ 40.514764][ T4463] hardirqs last disabled at (80626): [] el1_dbg+0x24/0x80 [ 40.516475][ T4463] softirqs last enabled at (80614): [] handle_softirqs+0xa70/0xc14 [ 40.518230][ T4463] softirqs last disabled at (80585): [] __irq_exit_rcu+0x240/0x434 [ 40.519980][ T4463] ---[ end trace c2c7cee6bf98bb91 ]--- [ 40.524300][ T4463] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 40.525987][ T4463] BTRFS info (device loop0): forced readonly [ 40.527203][ T4463] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 40.528768][ T4463] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 40.572703][ T4455] Bluetooth: hci0: command 0x0409 tx timeout [ 40.731229][ T4527] loop0: detected capacity change from 0 to 32768 [ 40.734769][ T4527] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4527) [ 40.747667][ T4527] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 40.749243][ T4527] BTRFS info (device loop0): using free space tree [ 40.750248][ T4527] BTRFS info (device loop0): has skinny extents [ 40.802426][ T4527] BTRFS info (device loop0): enabling ssd optimizations [ 40.805310][ T4527] FAULT_INJECTION: forcing a failure. [ 40.805310][ T4527] name failslab, interval 1, probability 0, space 0, times 0 [ 40.807389][ T4527] CPU: 0 PID: 4527 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 40.808784][ T4527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 40.810401][ T4527] Call trace: [ 40.810903][ T4527] dump_backtrace+0x0/0x458 [ 40.811617][ T4527] show_stack+0x2c/0x3c [ 40.812303][ T4527] __dump_stack+0x30/0x40 [ 40.813063][ T4527] dump_stack_lvl+0xf4/0x15c [ 40.813868][ T4527] dump_stack+0x1c/0x5c [ 40.814635][ T4527] should_fail+0x3c8/0x520 [ 40.815398][ T4527] __should_failslab+0xbc/0x10c [ 40.816308][ T4527] should_failslab+0x10/0x28 [ 40.817199][ T4527] slab_pre_alloc_hook+0x64/0xe8 [ 40.818084][ T4527] kmem_cache_alloc+0x94/0x3d8 [ 40.818919][ T4527] btrfs_alloc_path+0x5c/0x68 [ 40.819715][ T4527] __btrfs_run_delayed_items+0x88/0x478 [ 40.820655][ T4527] btrfs_run_delayed_items+0x24/0x34 [ 40.821564][ T4527] btrfs_commit_transaction+0x7f8/0x30ac [ 40.822550][ T4527] create_snapshot+0x39c/0x69c [ 40.823416][ T4527] btrfs_mksubvol+0x510/0x658 [ 40.824237][ T4527] btrfs_mksnapshot+0xc8/0x168 [ 40.825085][ T4527] __btrfs_ioctl_snap_create+0x39c/0x488 [ 40.826066][ T4527] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 40.827086][ T4527] btrfs_ioctl+0x7f0/0xa8c [ 40.827857][ T4527] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.828717][ T4527] invoke_syscall+0x98/0x28c [ 40.829563][ T4527] el0_svc_common+0x13c/0x258 [ 40.830349][ T4527] do_el0_svc+0x5c/0x140 [ 40.831080][ T4527] el0_svc+0x78/0x1d0 [ 40.831761][ T4527] el0t_64_sync_handler+0xcc/0xe4 [ 40.832645][ T4527] el0t_64_sync+0x1a0/0x1a4 [ 40.837474][ T4527] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 40.838971][ T4527] ------------[ cut here ]------------ [ 40.840071][ T4527] WARNING: CPU: 0 PID: 4527 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1e20/0x30ac [ 40.841722][ T4527] Modules linked in: [ 40.842330][ T4527] CPU: 0 PID: 4527 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 40.843824][ T4527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 40.845540][ T4527] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 40.846884][ T4527] pc : btrfs_commit_transaction+0x1e20/0x30ac [ 40.847926][ T4527] lr : btrfs_commit_transaction+0x1e20/0x30ac [ 40.849011][ T4527] sp : ffff80001f947800 [ 40.849843][ T4527] x29: ffff80001f947a40 x28: ffff0000d2141000 x27: dfff800000000000 [ 40.851336][ T4527] x26: ffff700003f28f18 x25: ffff0000de5d6328 x24: ffff0000d270d9d0 [ 40.852689][ T4527] x23: 00000000fffffff4 x22: ffff0000cb1a7000 x21: ffff0000d270c000 [ 40.854150][ T4527] x20: 0000000000000000 x19: 1fffe0001bcbac65 x18: 0000000000000000 [ 40.855493][ T4527] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 40.856769][ T4527] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 40.858168][ T4527] x11: ff80800008300a7c x10: 0000000000000000 x9 : 819c1858e9a1d800 [ 40.859733][ T4527] x8 : 819c1858e9a1d800 x7 : 0000000000000001 x6 : 0000000000000001 [ 40.861264][ T4527] x5 : ffff80001f947118 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 40.862993][ T4527] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 40.864619][ T4527] Call trace: [ 40.865255][ T4527] btrfs_commit_transaction+0x1e20/0x30ac [ 40.866347][ T4527] create_snapshot+0x39c/0x69c [ 40.867220][ T4527] btrfs_mksubvol+0x510/0x658 [ 40.868089][ T4527] btrfs_mksnapshot+0xc8/0x168 [ 40.868904][ T4527] __btrfs_ioctl_snap_create+0x39c/0x488 [ 40.869905][ T4527] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 40.870939][ T4527] btrfs_ioctl+0x7f0/0xa8c [ 40.871714][ T4527] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.872599][ T4527] invoke_syscall+0x98/0x28c [ 40.873462][ T4527] el0_svc_common+0x13c/0x258 [ 40.874330][ T4527] do_el0_svc+0x5c/0x140 [ 40.875073][ T4527] el0_svc+0x78/0x1d0 [ 40.875787][ T4527] el0t_64_sync_handler+0xcc/0xe4 [ 40.876724][ T4527] el0t_64_sync+0x1a0/0x1a4 [ 40.877552][ T4527] irq event stamp: 79568 [ 40.878303][ T4527] hardirqs last enabled at (79567): [] __up_console_sem+0xb4/0xfc [ 40.879976][ T4527] hardirqs last disabled at (79568): [] el1_dbg+0x24/0x80 [ 40.881820][ T4527] softirqs last enabled at (79538): [] handle_softirqs+0xa70/0xc14 [ 40.883854][ T4527] softirqs last disabled at (79445): [] __irq_exit_rcu+0x240/0x434 [ 40.885764][ T4527] ---[ end trace c2c7cee6bf98bb92 ]--- [ 40.890253][ T4527] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 40.891917][ T4527] BTRFS info (device loop0): forced readonly [ 41.047609][ T4597] loop0: detected capacity change from 0 to 32768 [ 41.051197][ T4597] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4597) [ 41.055434][ T4597] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 41.056951][ T4597] BTRFS info (device loop0): using free space tree [ 41.058032][ T4597] BTRFS info (device loop0): has skinny extents [ 41.068958][ T4597] BTRFS info (device loop0): enabling ssd optimizations [ 41.071752][ T4597] FAULT_INJECTION: forcing a failure. [ 41.071752][ T4597] name failslab, interval 1, probability 0, space 0, times 0 [ 41.074409][ T4597] CPU: 1 PID: 4597 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 41.076136][ T4597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 41.077868][ T4597] Call trace: [ 41.078388][ T4597] dump_backtrace+0x0/0x458 [ 41.079072][ T4597] show_stack+0x2c/0x3c [ 41.079856][ T4597] __dump_stack+0x30/0x40 [ 41.080658][ T4597] dump_stack_lvl+0xf4/0x15c [ 41.081513][ T4597] dump_stack+0x1c/0x5c [ 41.082285][ T4597] should_fail+0x3c8/0x520 [ 41.083165][ T4597] __should_failslab+0xbc/0x10c [ 41.084116][ T4597] should_failslab+0x10/0x28 [ 41.085030][ T4597] slab_pre_alloc_hook+0x64/0xe8 [ 41.086001][ T4597] kmem_cache_alloc+0x94/0x3d8 [ 41.086921][ T4597] btrfs_alloc_path+0x5c/0x68 [ 41.087826][ T4597] __btrfs_run_delayed_items+0x88/0x478 [ 41.088868][ T4597] btrfs_run_delayed_items+0x24/0x34 [ 41.089852][ T4597] btrfs_commit_transaction+0x948/0x30ac [ 41.090876][ T4597] create_snapshot+0x39c/0x69c [ 41.091742][ T4597] btrfs_mksubvol+0x510/0x658 [ 41.092569][ T4597] btrfs_mksnapshot+0xc8/0x168 [ 41.093444][ T4597] __btrfs_ioctl_snap_create+0x39c/0x488 [ 41.094447][ T4597] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 41.095450][ T4597] btrfs_ioctl+0x7f0/0xa8c [ 41.096197][ T4597] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.096996][ T4597] invoke_syscall+0x98/0x28c [ 41.097789][ T4597] el0_svc_common+0x13c/0x258 [ 41.098624][ T4597] do_el0_svc+0x5c/0x140 [ 41.099390][ T4597] el0_svc+0x78/0x1d0 [ 41.100062][ T4597] el0t_64_sync_handler+0xcc/0xe4 [ 41.101058][ T4597] el0t_64_sync+0x1a0/0x1a4 [ 41.103426][ T4597] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 41.104906][ T4597] ------------[ cut here ]------------ [ 41.106128][ T4597] WARNING: CPU: 1 PID: 4597 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1e20/0x30ac [ 41.108072][ T4597] Modules linked in: [ 41.108741][ T4597] CPU: 1 PID: 4597 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 41.110418][ T4597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 41.112268][ T4597] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 41.113790][ T4597] pc : btrfs_commit_transaction+0x1e20/0x30ac [ 41.114968][ T4597] lr : btrfs_commit_transaction+0x1e20/0x30ac [ 41.116131][ T4597] sp : ffff80001f7d7800 [ 41.116907][ T4597] x29: ffff80001f7d7a40 x28: ffff0000de96e160 x27: dfff800000000000 [ 41.118389][ T4597] x26: ffff700003efaf18 x25: ffff0000c21b6328 x24: ffff0000d270d9d0 [ 41.119890][ T4597] x23: 00000000fffffff4 x22: ffff0000d7216000 x21: ffff0000d270c000 [ 41.121396][ T4597] x20: 0000000000000000 x19: 1fffe00018436c65 x18: 0000000000000000 [ 41.122866][ T4597] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 41.124328][ T4597] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 41.125823][ T4597] x11: ff80800008300a7c x10: 0000000000000000 x9 : cafc83e78f10fa00 [ 41.127249][ T4597] x8 : cafc83e78f10fa00 x7 : 0000000000000001 x6 : 0000000000000001 [ 41.128598][ T4597] x5 : ffff80001f7d7118 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 41.130276][ T4597] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 41.131695][ T4597] Call trace: [ 41.132363][ T4597] btrfs_commit_transaction+0x1e20/0x30ac [ 41.133530][ T4597] create_snapshot+0x39c/0x69c [ 41.134502][ T4597] btrfs_mksubvol+0x510/0x658 [ 41.135457][ T4597] btrfs_mksnapshot+0xc8/0x168 [ 41.136446][ T4597] __btrfs_ioctl_snap_create+0x39c/0x488 [ 41.137569][ T4597] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 41.138716][ T4597] btrfs_ioctl+0x7f0/0xa8c [ 41.139487][ T4597] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.140380][ T4597] invoke_syscall+0x98/0x28c [ 41.141234][ T4597] el0_svc_common+0x13c/0x258 [ 41.142090][ T4597] do_el0_svc+0x5c/0x140 [ 41.142852][ T4597] el0_svc+0x78/0x1d0 [ 41.143578][ T4597] el0t_64_sync_handler+0xcc/0xe4 [ 41.144460][ T4597] el0t_64_sync+0x1a0/0x1a4 [ 41.145224][ T4597] irq event stamp: 78594 [ 41.145957][ T4597] hardirqs last enabled at (78593): [] __up_console_sem+0xb4/0xfc [ 41.147596][ T4597] hardirqs last disabled at (78594): [] el1_dbg+0x24/0x80 [ 41.149060][ T4597] softirqs last enabled at (78564): [] handle_softirqs+0xa70/0xc14 [ 41.151028][ T4597] softirqs last disabled at (78503): [] __irq_exit_rcu+0x240/0x434 [ 41.152686][ T4597] ---[ end trace c2c7cee6bf98bb93 ]--- [ 41.154674][ T4597] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 41.156512][ T4597] BTRFS info (device loop0): forced readonly [ 41.334672][ T4618] loop0: detected capacity change from 0 to 32768 [ 41.337049][ T4618] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4618) [ 41.340145][ T4618] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 41.341710][ T4618] BTRFS info (device loop0): using free space tree [ 41.343291][ T4618] BTRFS info (device loop0): has skinny extents [ 41.355295][ T4618] BTRFS info (device loop0): enabling ssd optimizations [ 41.358170][ T4618] FAULT_INJECTION: forcing a failure. [ 41.358170][ T4618] name failslab, interval 1, probability 0, space 0, times 0 [ 41.360528][ T4618] CPU: 1 PID: 4618 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 41.362269][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 41.364272][ T4618] Call trace: [ 41.364884][ T4618] dump_backtrace+0x0/0x458 [ 41.365741][ T4618] show_stack+0x2c/0x3c [ 41.366504][ T4618] __dump_stack+0x30/0x40 [ 41.367408][ T4618] dump_stack_lvl+0xf4/0x15c [ 41.368291][ T4618] dump_stack+0x1c/0x5c [ 41.369131][ T4618] should_fail+0x3c8/0x520 [ 41.370042][ T4618] __should_failslab+0xbc/0x10c [ 41.370919][ T4618] should_failslab+0x10/0x28 [ 41.371739][ T4618] slab_pre_alloc_hook+0x64/0xe8 [ 41.372584][ T4618] kmem_cache_alloc+0x94/0x3d8 [ 41.373349][ T4618] btrfs_alloc_path+0x5c/0x68 [ 41.374132][ T4618] __btrfs_run_delayed_items+0x88/0x478 [ 41.375097][ T4618] btrfs_run_delayed_items+0x24/0x34 [ 41.376019][ T4618] create_pending_snapshot+0x7a0/0x2420 [ 41.376959][ T4618] create_pending_snapshots+0x154/0x19c [ 41.377913][ T4618] btrfs_commit_transaction+0xe1c/0x30ac [ 41.378899][ T4618] create_snapshot+0x39c/0x69c [ 41.379710][ T4618] btrfs_mksubvol+0x510/0x658 [ 41.380545][ T4618] btrfs_mksnapshot+0xc8/0x168 [ 41.381360][ T4618] __btrfs_ioctl_snap_create+0x39c/0x488 [ 41.382337][ T4618] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 41.383296][ T4618] btrfs_ioctl+0x7f0/0xa8c [ 41.384061][ T4618] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.384911][ T4618] invoke_syscall+0x98/0x28c [ 41.385673][ T4618] el0_svc_common+0x13c/0x258 [ 41.386459][ T4618] do_el0_svc+0x5c/0x140 [ 41.387201][ T4618] el0_svc+0x78/0x1d0 [ 41.387898][ T4618] el0t_64_sync_handler+0xcc/0xe4 [ 41.388761][ T4618] el0t_64_sync+0x1a0/0x1a4 [ 41.392737][ T4618] ------------[ cut here ]------------ [ 41.393822][ T4618] WARNING: CPU: 0 PID: 4618 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 41.395485][ T4618] Modules linked in: [ 41.396107][ T4618] CPU: 0 PID: 4618 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 41.397565][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 41.399164][ T4618] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 41.400413][ T4618] pc : create_pending_snapshot+0x15f8/0x2420 [ 41.401366][ T4618] lr : create_pending_snapshot+0x15f8/0x2420 [ 41.402310][ T4618] sp : ffff80001fcc7520 [ 41.403180][ T4618] x29: ffff80001fcc7740 x28: ffff0000dbcb8370 x27: ffff700003f98ec4 [ 41.404716][ T4618] x26: ffff0000cd2e0600 x25: ffff0000cd2e06a8 x24: dfff800000000000 [ 41.406194][ T4618] x23: ffff0000dd1c91a0 x22: ffff0000de96e230 x21: 1fffe00019a5c0c6 [ 41.407920][ T4618] x20: ffff0000de96e210 x19: 00000000fffffff4 x18: 0000000000000000 [ 41.409544][ T4618] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 41.411100][ T4618] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 41.412814][ T4618] x11: ff80800008300a7c x10: 0000000000000000 x9 : 99811dcb99003f00 [ 41.414435][ T4618] x8 : 99811dcb99003f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 41.415979][ T4618] x5 : ffff80001fcc6e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 41.417620][ T4618] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 41.419198][ T4618] Call trace: [ 41.419871][ T4618] create_pending_snapshot+0x15f8/0x2420 [ 41.420977][ T4618] create_pending_snapshots+0x154/0x19c [ 41.422027][ T4618] btrfs_commit_transaction+0xe1c/0x30ac [ 41.423073][ T4618] create_snapshot+0x39c/0x69c [ 41.423910][ T4618] btrfs_mksubvol+0x510/0x658 [ 41.424736][ T4618] btrfs_mksnapshot+0xc8/0x168 [ 41.425606][ T4618] __btrfs_ioctl_snap_create+0x39c/0x488 [ 41.426616][ T4618] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 41.427610][ T4618] btrfs_ioctl+0x7f0/0xa8c [ 41.428401][ T4618] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.429263][ T4618] invoke_syscall+0x98/0x28c [ 41.430019][ T4618] el0_svc_common+0x13c/0x258 [ 41.430888][ T4618] do_el0_svc+0x5c/0x140 [ 41.431645][ T4618] el0_svc+0x78/0x1d0 [ 41.432361][ T4618] el0t_64_sync_handler+0xcc/0xe4 [ 41.433267][ T4618] el0t_64_sync+0x1a0/0x1a4 [ 41.434069][ T4618] irq event stamp: 78678 [ 41.434803][ T4618] hardirqs last enabled at (78677): [] __up_console_sem+0xb4/0xfc [ 41.436414][ T4618] hardirqs last disabled at (78678): [] el1_dbg+0x24/0x80 [ 41.437956][ T4618] softirqs last enabled at (78658): [] handle_softirqs+0xa70/0xc14 [ 41.439710][ T4618] softirqs last disabled at (78639): [] __irq_exit_rcu+0x240/0x434 [ 41.441353][ T4618] ---[ end trace c2c7cee6bf98bb94 ]--- [ 41.443476][ T4618] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 41.445069][ T4618] BTRFS info (device loop0): forced readonly [ 41.446078][ T4618] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 41.447455][ T4618] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 41.622803][ T4640] loop0: detected capacity change from 0 to 32768 [ 41.627499][ T4640] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4640) [ 41.631775][ T4640] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 41.633937][ T4640] BTRFS info (device loop0): using free space tree [ 41.635103][ T4640] BTRFS info (device loop0): has skinny extents [ 41.649595][ T4640] BTRFS info (device loop0): enabling ssd optimizations [ 41.653716][ T4640] FAULT_INJECTION: forcing a failure. [ 41.653716][ T4640] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 41.656106][ T4640] CPU: 1 PID: 4640 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 41.657677][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 41.659326][ T4640] Call trace: [ 41.659885][ T4640] dump_backtrace+0x0/0x458 [ 41.660673][ T4640] show_stack+0x2c/0x3c [ 41.661444][ T4640] __dump_stack+0x30/0x40 [ 41.662227][ T4640] dump_stack_lvl+0xf4/0x15c [ 41.663061][ T4640] dump_stack+0x1c/0x5c [ 41.663781][ T4640] should_fail+0x3c8/0x520 [ 41.664574][ T4640] should_fail_alloc_page+0x74/0xa8 [ 41.665466][ T4640] prepare_alloc_pages+0x160/0x460 [ 41.666330][ T4640] __alloc_pages+0x108/0x474 [ 41.667096][ T4640] alloc_pages+0x34c/0x5c0 [ 41.667877][ T4640] new_slab+0xdc/0x53c [ 41.668605][ T4640] ___slab_alloc+0x6ac/0xd84 [ 41.669438][ T4640] __slab_alloc+0x68/0xc0 [ 41.670188][ T4640] kmem_cache_alloc+0x2a8/0x3d8 [ 41.671035][ T4640] btrfs_alloc_path+0x5c/0x68 [ 41.671870][ T4640] __btrfs_run_delayed_items+0x88/0x478 [ 41.672872][ T4640] btrfs_run_delayed_items+0x24/0x34 [ 41.673817][ T4640] btrfs_commit_transaction+0x7f8/0x30ac [ 41.674822][ T4640] create_snapshot+0x39c/0x69c [ 41.675681][ T4640] btrfs_mksubvol+0x510/0x658 [ 41.676512][ T4640] btrfs_mksnapshot+0xc8/0x168 [ 41.677309][ T4640] __btrfs_ioctl_snap_create+0x39c/0x488 [ 41.678317][ T4640] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 41.679279][ T4640] btrfs_ioctl+0x7f0/0xa8c [ 41.680052][ T4640] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.680894][ T4640] invoke_syscall+0x98/0x28c [ 41.681677][ T4640] el0_svc_common+0x13c/0x258 [ 41.682477][ T4640] do_el0_svc+0x5c/0x140 [ 41.683213][ T4640] el0_svc+0x78/0x1d0 [ 41.683930][ T4640] el0t_64_sync_handler+0xcc/0xe4 [ 41.684764][ T4640] el0t_64_sync+0x1a0/0x1a4 [ 41.870279][ T4663] loop0: detected capacity change from 0 to 32768 [ 41.873331][ T4663] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4663) [ 41.876430][ T4663] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 41.877962][ T4663] BTRFS info (device loop0): using free space tree [ 41.879220][ T4663] BTRFS info (device loop0): has skinny extents [ 41.887643][ T4663] BTRFS info (device loop0): enabling ssd optimizations [ 41.890441][ T4663] FAULT_INJECTION: forcing a failure. [ 41.890441][ T4663] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 41.893265][ T4663] CPU: 0 PID: 4663 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 41.894939][ T4663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 41.896808][ T4663] Call trace: [ 41.897401][ T4663] dump_backtrace+0x0/0x458 [ 41.898319][ T4663] show_stack+0x2c/0x3c [ 41.899113][ T4663] __dump_stack+0x30/0x40 [ 41.899869][ T4663] dump_stack_lvl+0xf4/0x15c [ 41.900646][ T4663] dump_stack+0x1c/0x5c [ 41.901356][ T4663] should_fail+0x3c8/0x520 [ 41.902118][ T4663] should_fail_alloc_page+0x74/0xa8 [ 41.903052][ T4663] prepare_alloc_pages+0x160/0x460 [ 41.904040][ T4663] __alloc_pages+0x108/0x474 [ 41.904954][ T4663] alloc_pages+0x34c/0x5c0 [ 41.905780][ T4663] new_slab+0xdc/0x53c [ 41.906542][ T4663] ___slab_alloc+0x6ac/0xd84 [ 41.907390][ T4663] __slab_alloc+0x68/0xc0 [ 41.908187][ T4663] kmem_cache_alloc+0x2a8/0x3d8 [ 41.909039][ T4663] btrfs_alloc_path+0x5c/0x68 [ 41.909858][ T4663] __btrfs_run_delayed_items+0x88/0x478 [ 41.910818][ T4663] btrfs_run_delayed_items+0x24/0x34 [ 41.911721][ T4663] btrfs_commit_transaction+0x7f8/0x30ac [ 41.912709][ T4663] create_snapshot+0x39c/0x69c [ 41.913567][ T4663] btrfs_mksubvol+0x510/0x658 [ 41.914375][ T4663] btrfs_mksnapshot+0xc8/0x168 [ 41.915215][ T4663] __btrfs_ioctl_snap_create+0x39c/0x488 [ 41.916255][ T4663] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 41.917306][ T4663] btrfs_ioctl+0x7f0/0xa8c [ 41.918088][ T4663] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.918974][ T4663] invoke_syscall+0x98/0x28c [ 41.919730][ T4663] el0_svc_common+0x13c/0x258 [ 41.920535][ T4663] do_el0_svc+0x5c/0x140 [ 41.921271][ T4663] el0_svc+0x78/0x1d0 [ 41.922069][ T4663] el0t_64_sync_handler+0xcc/0xe4 [ 41.922979][ T4663] el0t_64_sync+0x1a0/0x1a4 [ 42.101627][ T4684] loop0: detected capacity change from 0 to 32768 [ 42.106081][ T4684] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4684) [ 42.114716][ T4684] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 42.116188][ T4684] BTRFS info (device loop0): using free space tree [ 42.117261][ T4684] BTRFS info (device loop0): has skinny extents [ 42.135806][ T4684] BTRFS info (device loop0): enabling ssd optimizations [ 42.138785][ T4684] FAULT_INJECTION: forcing a failure. [ 42.138785][ T4684] name failslab, interval 1, probability 0, space 0, times 0 [ 42.141024][ T4684] CPU: 1 PID: 4684 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.142680][ T4684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.144536][ T4684] Call trace: [ 42.145163][ T4684] dump_backtrace+0x0/0x458 [ 42.145983][ T4684] show_stack+0x2c/0x3c [ 42.146742][ T4684] __dump_stack+0x30/0x40 [ 42.147525][ T4684] dump_stack_lvl+0xf4/0x15c [ 42.148385][ T4684] dump_stack+0x1c/0x5c [ 42.149124][ T4684] should_fail+0x3c8/0x520 [ 42.150015][ T4684] __should_failslab+0xbc/0x10c [ 42.150955][ T4684] should_failslab+0x10/0x28 [ 42.151817][ T4684] slab_pre_alloc_hook+0x64/0xe8 [ 42.152718][ T4684] kmem_cache_alloc+0x94/0x3d8 [ 42.153626][ T4684] btrfs_alloc_path+0x5c/0x68 [ 42.154487][ T4684] __btrfs_run_delayed_items+0x88/0x478 [ 42.155557][ T4684] btrfs_run_delayed_items+0x24/0x34 [ 42.156496][ T4684] create_pending_snapshot+0x7a0/0x2420 [ 42.157454][ T4684] create_pending_snapshots+0x154/0x19c [ 42.158470][ T4684] btrfs_commit_transaction+0xe1c/0x30ac [ 42.159512][ T4684] create_snapshot+0x39c/0x69c [ 42.160369][ T4684] btrfs_mksubvol+0x510/0x658 [ 42.161194][ T4684] btrfs_mksnapshot+0xc8/0x168 [ 42.162015][ T4684] __btrfs_ioctl_snap_create+0x39c/0x488 [ 42.162996][ T4684] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 42.163954][ T4684] btrfs_ioctl+0x7f0/0xa8c [ 42.164714][ T4684] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.165528][ T4684] invoke_syscall+0x98/0x28c [ 42.166362][ T4684] el0_svc_common+0x13c/0x258 [ 42.167182][ T4684] do_el0_svc+0x5c/0x140 [ 42.167922][ T4684] el0_svc+0x78/0x1d0 [ 42.168601][ T4684] el0t_64_sync_handler+0xcc/0xe4 [ 42.169467][ T4684] el0t_64_sync+0x1a0/0x1a4 [ 42.171247][ T4684] ------------[ cut here ]------------ [ 42.172274][ T4684] WARNING: CPU: 1 PID: 4684 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 42.174161][ T4684] Modules linked in: [ 42.175001][ T4684] CPU: 1 PID: 4684 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.176959][ T4684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.179015][ T4684] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.180622][ T4684] pc : create_pending_snapshot+0x15f8/0x2420 [ 42.181842][ T4684] lr : create_pending_snapshot+0x15f8/0x2420 [ 42.182985][ T4684] sp : ffff800020047520 [ 42.183828][ T4684] x29: ffff800020047740 x28: ffff0000d46badc0 x27: ffff700004008ec4 [ 42.185419][ T4684] x26: ffff0000ce461200 x25: ffff0000ce4612a8 x24: dfff800000000000 [ 42.186944][ T4684] x23: ffff0000dd0edd60 x22: ffff0000de96e5a0 x21: 1fffe00019c8c246 [ 42.188527][ T4684] x20: ffff0000de96e580 x19: 00000000fffffff4 x18: 0000000000000000 [ 42.190090][ T4684] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 42.191541][ T4684] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 42.192998][ T4684] x11: ff80800008300a7c x10: 0000000000000000 x9 : a98f05fbcb838600 [ 42.194631][ T4684] x8 : a98f05fbcb838600 x7 : 0000000000000001 x6 : 0000000000000001 [ 42.196124][ T4684] x5 : ffff800020046e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 42.197560][ T4684] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 42.199004][ T4684] Call trace: [ 42.199589][ T4684] create_pending_snapshot+0x15f8/0x2420 [ 42.200627][ T4684] create_pending_snapshots+0x154/0x19c [ 42.201724][ T4684] btrfs_commit_transaction+0xe1c/0x30ac [ 42.202883][ T4684] create_snapshot+0x39c/0x69c [ 42.203873][ T4684] btrfs_mksubvol+0x510/0x658 [ 42.204843][ T4684] btrfs_mksnapshot+0xc8/0x168 [ 42.205805][ T4684] __btrfs_ioctl_snap_create+0x39c/0x488 [ 42.206902][ T4684] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 42.207990][ T4684] btrfs_ioctl+0x7f0/0xa8c [ 42.208851][ T4684] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.209861][ T4684] invoke_syscall+0x98/0x28c [ 42.210781][ T4684] el0_svc_common+0x13c/0x258 [ 42.211696][ T4684] do_el0_svc+0x5c/0x140 [ 42.212511][ T4684] el0_svc+0x78/0x1d0 [ 42.213256][ T4684] el0t_64_sync_handler+0xcc/0xe4 [ 42.214142][ T4684] el0t_64_sync+0x1a0/0x1a4 [ 42.215057][ T4684] irq event stamp: 79582 [ 42.215925][ T4684] hardirqs last enabled at (79581): [] __up_console_sem+0xb4/0xfc [ 42.217597][ T4684] hardirqs last disabled at (79582): [] el1_dbg+0x24/0x80 [ 42.219136][ T4684] softirqs last enabled at (79562): [] handle_softirqs+0xa70/0xc14 [ 42.220758][ T4684] softirqs last disabled at (79517): [] __irq_exit_rcu+0x240/0x434 [ 42.222451][ T4684] ---[ end trace c2c7cee6bf98bb95 ]--- [ 42.224467][ T4684] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 42.226281][ T4684] BTRFS info (device loop0): forced readonly [ 42.227371][ T4684] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 42.228912][ T4684] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 42.399012][ T4705] loop0: detected capacity change from 0 to 32768 [ 42.401491][ T4705] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4705) [ 42.406290][ T4705] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 42.407782][ T4705] BTRFS info (device loop0): using free space tree [ 42.408891][ T4705] BTRFS info (device loop0): has skinny extents [ 42.420688][ T4705] BTRFS info (device loop0): enabling ssd optimizations [ 42.424572][ T4705] FAULT_INJECTION: forcing a failure. [ 42.424572][ T4705] name failslab, interval 1, probability 0, space 0, times 0 [ 42.426811][ T4705] CPU: 0 PID: 4705 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.428358][ T4705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.430127][ T4705] Call trace: [ 42.430714][ T4705] dump_backtrace+0x0/0x458 [ 42.431507][ T4705] show_stack+0x2c/0x3c [ 42.432283][ T4705] __dump_stack+0x30/0x40 [ 42.433070][ T4705] dump_stack_lvl+0xf4/0x15c [ 42.433852][ T4705] dump_stack+0x1c/0x5c [ 42.434598][ T4705] should_fail+0x3c8/0x520 [ 42.435399][ T4705] __should_failslab+0xbc/0x10c [ 42.436236][ T4705] should_failslab+0x10/0x28 [ 42.437038][ T4705] slab_pre_alloc_hook+0x64/0xe8 [ 42.437903][ T4705] kmem_cache_alloc+0x94/0x3d8 [ 42.438741][ T4705] btrfs_alloc_path+0x5c/0x68 [ 42.439551][ T4705] __btrfs_run_delayed_items+0x88/0x478 [ 42.440550][ T4705] btrfs_run_delayed_items+0x24/0x34 [ 42.441440][ T4705] btrfs_commit_transaction+0x948/0x30ac [ 42.442427][ T4705] create_snapshot+0x39c/0x69c [ 42.443302][ T4705] btrfs_mksubvol+0x510/0x658 [ 42.444110][ T4705] btrfs_mksnapshot+0xc8/0x168 [ 42.444925][ T4705] __btrfs_ioctl_snap_create+0x39c/0x488 [ 42.445930][ T4705] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 42.446921][ T4705] btrfs_ioctl+0x7f0/0xa8c [ 42.447725][ T4705] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.448570][ T4705] invoke_syscall+0x98/0x28c [ 42.449392][ T4705] el0_svc_common+0x13c/0x258 [ 42.450143][ T4705] do_el0_svc+0x5c/0x140 [ 42.450864][ T4705] el0_svc+0x78/0x1d0 [ 42.451532][ T4705] el0t_64_sync_handler+0xcc/0xe4 [ 42.452380][ T4705] el0t_64_sync+0x1a0/0x1a4 [ 42.455774][ T4705] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 42.457397][ T4705] ------------[ cut here ]------------ [ 42.458422][ T4705] WARNING: CPU: 0 PID: 4705 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1e20/0x30ac [ 42.460390][ T4705] Modules linked in: [ 42.461188][ T4705] CPU: 0 PID: 4705 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.462878][ T4705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.464670][ T4705] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.466091][ T4705] pc : btrfs_commit_transaction+0x1e20/0x30ac [ 42.467295][ T4705] lr : btrfs_commit_transaction+0x1e20/0x30ac [ 42.468394][ T4705] sp : ffff800020087800 [ 42.469153][ T4705] x29: ffff800020087a40 x28: ffff0000d2141370 x27: dfff800000000000 [ 42.470832][ T4705] x26: ffff700004010f18 x25: ffff0000dc6c6328 x24: ffff0000d77619d0 [ 42.472534][ T4705] x23: 00000000fffffff4 x22: ffff0000cf3c4000 x21: ffff0000d7760000 [ 42.474249][ T4705] x20: 0000000000000000 x19: 1fffe0001b8d8c65 x18: 0000000000000000 [ 42.475898][ T4705] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 42.477553][ T4705] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 42.479196][ T4705] x11: ff80800008300a7c x10: 0000000000000000 x9 : 5f7969f44c1f1600 [ 42.480862][ T4705] x8 : 5f7969f44c1f1600 x7 : 0000000000000001 x6 : 0000000000000001 [ 42.482496][ T4705] x5 : ffff800020087118 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 42.483938][ T4705] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 42.485479][ T4705] Call trace: [ 42.486065][ T4705] btrfs_commit_transaction+0x1e20/0x30ac [ 42.487129][ T4705] create_snapshot+0x39c/0x69c [ 42.487925][ T4705] btrfs_mksubvol+0x510/0x658 [ 42.488768][ T4705] btrfs_mksnapshot+0xc8/0x168 [ 42.489773][ T4705] __btrfs_ioctl_snap_create+0x39c/0x488 [ 42.490987][ T4705] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 42.492156][ T4705] btrfs_ioctl+0x7f0/0xa8c [ 42.493072][ T4705] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.494061][ T4705] invoke_syscall+0x98/0x28c [ 42.494966][ T4705] el0_svc_common+0x13c/0x258 [ 42.495894][ T4705] do_el0_svc+0x5c/0x140 [ 42.496694][ T4705] el0_svc+0x78/0x1d0 [ 42.497531][ T4705] el0t_64_sync_handler+0xcc/0xe4 [ 42.498429][ T4705] el0t_64_sync+0x1a0/0x1a4 [ 42.499239][ T4705] irq event stamp: 78988 [ 42.499976][ T4705] hardirqs last enabled at (78987): [] __up_console_sem+0xb4/0xfc [ 42.501598][ T4705] hardirqs last disabled at (78988): [] el1_dbg+0x24/0x80 [ 42.503129][ T4705] softirqs last enabled at (78954): [] handle_softirqs+0xa70/0xc14 [ 42.504774][ T4705] softirqs last disabled at (78933): [] __irq_exit_rcu+0x240/0x434 [ 42.506408][ T4705] ---[ end trace c2c7cee6bf98bb96 ]--- [ 42.508997][ T4705] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 42.510580][ T4705] BTRFS info (device loop0): forced readonly [ 42.652703][ T4589] Bluetooth: hci0: command 0x041b tx timeout [ 42.686667][ T4726] loop0: detected capacity change from 0 to 32768 [ 42.689194][ T4726] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4726) [ 42.693244][ T4726] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 42.694765][ T4726] BTRFS info (device loop0): using free space tree [ 42.695926][ T4726] BTRFS info (device loop0): has skinny extents [ 42.709478][ T4726] BTRFS info (device loop0): enabling ssd optimizations [ 42.712379][ T4726] FAULT_INJECTION: forcing a failure. [ 42.712379][ T4726] name failslab, interval 1, probability 0, space 0, times 0 [ 42.714474][ T4726] CPU: 0 PID: 4726 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.715848][ T4726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.717496][ T4726] Call trace: [ 42.718028][ T4726] dump_backtrace+0x0/0x458 [ 42.718734][ T4726] show_stack+0x2c/0x3c [ 42.719343][ T4726] __dump_stack+0x30/0x40 [ 42.719996][ T4726] dump_stack_lvl+0xf4/0x15c [ 42.720717][ T4726] dump_stack+0x1c/0x5c [ 42.721353][ T4726] should_fail+0x3c8/0x520 [ 42.722028][ T4726] __should_failslab+0xbc/0x10c [ 42.722869][ T4726] should_failslab+0x10/0x28 [ 42.723653][ T4726] slab_pre_alloc_hook+0x64/0xe8 [ 42.724489][ T4726] kmem_cache_alloc+0x94/0x3d8 [ 42.725306][ T4726] btrfs_alloc_path+0x5c/0x68 [ 42.726113][ T4726] __btrfs_run_delayed_items+0x88/0x478 [ 42.727095][ T4726] btrfs_run_delayed_items+0x24/0x34 [ 42.727985][ T4726] create_pending_snapshot+0x7a0/0x2420 [ 42.728931][ T4726] create_pending_snapshots+0x154/0x19c [ 42.729865][ T4726] btrfs_commit_transaction+0xe1c/0x30ac [ 42.730823][ T4726] create_snapshot+0x39c/0x69c [ 42.731626][ T4726] btrfs_mksubvol+0x510/0x658 [ 42.732462][ T4726] btrfs_mksnapshot+0xc8/0x168 [ 42.733326][ T4726] __btrfs_ioctl_snap_create+0x39c/0x488 [ 42.734344][ T4726] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 42.735370][ T4726] btrfs_ioctl+0x7f0/0xa8c [ 42.736163][ T4726] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.737007][ T4726] invoke_syscall+0x98/0x28c [ 42.737782][ T4726] el0_svc_common+0x13c/0x258 [ 42.738576][ T4726] do_el0_svc+0x5c/0x140 [ 42.739313][ T4726] el0_svc+0x78/0x1d0 [ 42.740007][ T4726] el0t_64_sync_handler+0xcc/0xe4 [ 42.740902][ T4726] el0t_64_sync+0x1a0/0x1a4 [ 42.743491][ T4726] ------------[ cut here ]------------ [ 42.744591][ T4726] WARNING: CPU: 0 PID: 4726 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 42.746430][ T4726] Modules linked in: [ 42.747072][ T4726] CPU: 0 PID: 4726 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 42.748553][ T4726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 42.750139][ T4726] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.751410][ T4726] pc : create_pending_snapshot+0x15f8/0x2420 [ 42.752424][ T4726] lr : create_pending_snapshot+0x15f8/0x2420 [ 42.753689][ T4726] sp : ffff800020397520 [ 42.754566][ T4726] x29: ffff800020397740 x28: ffff0000d549d4d0 x27: ffff700004072ec4 [ 42.756150][ T4726] x26: ffff0000c2055a00 x25: ffff0000c2055aa8 x24: dfff800000000000 [ 42.757710][ T4726] x23: ffff0000cbe6d608 x22: ffff0000d2141440 x21: 1fffe0001840ab46 [ 42.759197][ T4726] x20: ffff0000d2141420 x19: 00000000fffffff4 x18: 0000000000000000 [ 42.760668][ T4726] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 42.762011][ T4726] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 42.763354][ T4726] x11: ff80800008300a7c x10: 0000000000000000 x9 : 7f6945c967d30700 [ 42.764781][ T4726] x8 : 7f6945c967d30700 x7 : 0000000000000001 x6 : 0000000000000001 [ 42.766176][ T4726] x5 : ffff800020396e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 42.767785][ T4726] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 42.769388][ T4726] Call trace: [ 42.769939][ T4726] create_pending_snapshot+0x15f8/0x2420 [ 42.770898][ T4726] create_pending_snapshots+0x154/0x19c [ 42.771902][ T4726] btrfs_commit_transaction+0xe1c/0x30ac [ 42.772873][ T4726] create_snapshot+0x39c/0x69c [ 42.773695][ T4726] btrfs_mksubvol+0x510/0x658 [ 42.774486][ T4726] btrfs_mksnapshot+0xc8/0x168 [ 42.775316][ T4726] __btrfs_ioctl_snap_create+0x39c/0x488 [ 42.776283][ T4726] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 42.777246][ T4726] btrfs_ioctl+0x7f0/0xa8c [ 42.778013][ T4726] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.778890][ T4726] invoke_syscall+0x98/0x28c [ 42.779802][ T4726] el0_svc_common+0x13c/0x258 [ 42.780671][ T4726] do_el0_svc+0x5c/0x140 [ 42.781526][ T4726] el0_svc+0x78/0x1d0 [ 42.782246][ T4726] el0t_64_sync_handler+0xcc/0xe4 [ 42.783121][ T4726] el0t_64_sync+0x1a0/0x1a4 [ 42.783955][ T4726] irq event stamp: 78616 [ 42.784712][ T4726] hardirqs last enabled at (78615): [] __up_console_sem+0xb4/0xfc [ 42.786392][ T4726] hardirqs last disabled at (78616): [] el1_dbg+0x24/0x80 [ 42.787953][ T4726] softirqs last enabled at (78596): [] handle_softirqs+0xa70/0xc14 [ 42.789622][ T4726] softirqs last disabled at (78513): [] __irq_exit_rcu+0x240/0x434 [ 42.791300][ T4726] ---[ end trace c2c7cee6bf98bb97 ]--- [ 42.793143][ T4726] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 42.794974][ T4726] BTRFS info (device loop0): forced readonly [ 42.796130][ T4726] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 42.797708][ T4726] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 42.984176][ T4748] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4748) [ 42.992075][ T4748] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 42.993651][ T4748] BTRFS info (device loop0): using free space tree [ 42.994785][ T4748] BTRFS info (device loop0): has skinny extents [ 43.017146][ T4748] BTRFS info (device loop0): enabling ssd optimizations [ 43.020025][ T4748] FAULT_INJECTION: forcing a failure. [ 43.020025][ T4748] name failslab, interval 1, probability 0, space 0, times 0 [ 43.022494][ T4748] CPU: 1 PID: 4748 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.024136][ T4748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.026077][ T4748] Call trace: [ 43.026723][ T4748] dump_backtrace+0x0/0x458 [ 43.027616][ T4748] show_stack+0x2c/0x3c [ 43.028451][ T4748] __dump_stack+0x30/0x40 [ 43.029294][ T4748] dump_stack_lvl+0xf4/0x15c [ 43.030175][ T4748] dump_stack+0x1c/0x5c [ 43.030969][ T4748] should_fail+0x3c8/0x520 [ 43.031796][ T4748] __should_failslab+0xbc/0x10c [ 43.032664][ T4748] should_failslab+0x10/0x28 [ 43.033496][ T4748] slab_pre_alloc_hook+0x64/0xe8 [ 43.034385][ T4748] kmem_cache_alloc+0x94/0x3d8 [ 43.035360][ T4748] btrfs_alloc_path+0x5c/0x68 [ 43.036325][ T4748] __btrfs_run_delayed_items+0x88/0x478 [ 43.037349][ T4748] btrfs_run_delayed_items+0x24/0x34 [ 43.038303][ T4748] create_pending_snapshot+0x7a0/0x2420 [ 43.039313][ T4748] create_pending_snapshots+0x154/0x19c [ 43.040249][ T4748] btrfs_commit_transaction+0xe1c/0x30ac [ 43.041231][ T4748] create_snapshot+0x39c/0x69c [ 43.042081][ T4748] btrfs_mksubvol+0x510/0x658 [ 43.042908][ T4748] btrfs_mksnapshot+0xc8/0x168 [ 43.043754][ T4748] __btrfs_ioctl_snap_create+0x39c/0x488 [ 43.044747][ T4748] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 43.045771][ T4748] btrfs_ioctl+0x7f0/0xa8c [ 43.046593][ T4748] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.047628][ T4748] invoke_syscall+0x98/0x28c [ 43.048556][ T4748] el0_svc_common+0x13c/0x258 [ 43.049399][ T4748] do_el0_svc+0x5c/0x140 [ 43.050151][ T4748] el0_svc+0x78/0x1d0 [ 43.050848][ T4748] el0t_64_sync_handler+0xcc/0xe4 [ 43.051774][ T4748] el0t_64_sync+0x1a0/0x1a4 [ 43.052857][ T4748] ------------[ cut here ]------------ [ 43.053903][ T4748] WARNING: CPU: 1 PID: 4748 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 43.055748][ T4748] Modules linked in: [ 43.056458][ T4748] CPU: 1 PID: 4748 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.058126][ T4748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.059869][ T4748] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 43.061200][ T4748] pc : create_pending_snapshot+0x15f8/0x2420 [ 43.062229][ T4748] lr : create_pending_snapshot+0x15f8/0x2420 [ 43.063294][ T4748] sp : ffff8000204e7520 [ 43.064009][ T4748] x29: ffff8000204e7740 x28: ffff0000ccdd8840 x27: ffff70000409cec4 [ 43.065444][ T4748] x26: ffff0000ce486200 x25: ffff0000ce4862a8 x24: dfff800000000000 [ 43.066916][ T4748] x23: ffff0000cbef6758 x22: ffff0000de96e7b0 x21: 1fffe00019c90c46 [ 43.068293][ T4748] x20: ffff0000de96e790 x19: 00000000fffffff4 x18: 0000000000000000 [ 43.069673][ T4748] x17: 0000000000000000 x16: ffff8000082c6844 x15: 0000000000000000 [ 43.070919][ T4748] x14: 0000000000000001 x13: 1ffff0000409cdc4 x12: 0000000000000000 [ 43.072284][ T4748] x11: ff80800008300a7c x10: 0000000000000000 x9 : bf22c424b796d900 [ 43.073677][ T4748] x8 : bf22c424b796d900 x7 : 0000000000000001 x6 : 0000000000000001 [ 43.075037][ T4748] x5 : ffff8000204e6e38 x4 : ffff80001448f520 x3 : ffff8000083083a4 [ 43.076406][ T4748] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 43.077815][ T4748] Call trace: [ 43.078360][ T4748] create_pending_snapshot+0x15f8/0x2420 [ 43.079353][ T4748] create_pending_snapshots+0x154/0x19c [ 43.080345][ T4748] btrfs_commit_transaction+0xe1c/0x30ac [ 43.081297][ T4748] create_snapshot+0x39c/0x69c [ 43.082100][ T4748] btrfs_mksubvol+0x510/0x658 [ 43.082937][ T4748] btrfs_mksnapshot+0xc8/0x168 [ 43.083730][ T4748] __btrfs_ioctl_snap_create+0x39c/0x488 [ 43.084673][ T4748] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 43.085640][ T4748] btrfs_ioctl+0x7f0/0xa8c [ 43.086374][ T4748] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.087179][ T4748] invoke_syscall+0x98/0x28c [ 43.087954][ T4748] el0_svc_common+0x13c/0x258 [ 43.088801][ T4748] do_el0_svc+0x5c/0x140 [ 43.089589][ T4748] el0_svc+0x78/0x1d0 [ 43.090309][ T4748] el0t_64_sync_handler+0xcc/0xe4 [ 43.091195][ T4748] el0t_64_sync+0x1a0/0x1a4 [ 43.091981][ T4748] irq event stamp: 78978 [ 43.092713][ T4748] hardirqs last enabled at (78977): [] __up_console_sem+0xb4/0xfc [ 43.094354][ T4748] hardirqs last disabled at (78978): [] el1_dbg+0x24/0x80 [ 43.095828][ T4748] softirqs last enabled at (78958): [] handle_softirqs+0xa70/0xc14 [ 43.097465][ T4748] softirqs last disabled at (78917): [] __irq_exit_rcu+0x240/0x434 [ 43.099042][ T4748] ---[ end trace c2c7cee6bf98bb98 ]--- [ 43.100289][ T4748] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 43.102076][ T4748] BTRFS info (device loop0): forced readonly [ 43.103400][ T4748] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 43.104845][ T4748] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 43.269575][ T4769] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4769) [ 43.273685][ T4769] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 43.275320][ T4769] BTRFS info (device loop0): using free space tree [ 43.276586][ T4769] BTRFS info (device loop0): has skinny extents [ 43.284654][ T4769] BTRFS info (device loop0): enabling ssd optimizations [ 43.287378][ T4769] FAULT_INJECTION: forcing a failure. [ 43.287378][ T4769] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 43.289830][ T4769] CPU: 1 PID: 4769 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.291488][ T4769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.293319][ T4769] Call trace: [ 43.293923][ T4769] dump_backtrace+0x0/0x458 [ 43.294743][ T4769] show_stack+0x2c/0x3c [ 43.295513][ T4769] __dump_stack+0x30/0x40 [ 43.296342][ T4769] dump_stack_lvl+0xf4/0x15c [ 43.297157][ T4769] dump_stack+0x1c/0x5c [ 43.297889][ T4769] should_fail+0x3c8/0x520 [ 43.298821][ T4769] should_fail_alloc_page+0x74/0xa8 [ 43.299874][ T4769] prepare_alloc_pages+0x160/0x460 [ 43.300860][ T4769] __alloc_pages+0x108/0x474 [ 43.301756][ T4769] alloc_pages+0x34c/0x5c0 [ 43.302616][ T4769] new_slab+0xdc/0x53c [ 43.303472][ T4769] ___slab_alloc+0x6ac/0xd84 [ 43.304336][ T4769] __slab_alloc+0x68/0xc0 [ 43.305192][ T4769] kmem_cache_alloc+0x2a8/0x3d8 [ 43.306215][ T4769] btrfs_alloc_path+0x5c/0x68 [ 43.307097][ T4769] __btrfs_run_delayed_items+0x88/0x478 [ 43.308180][ T4769] btrfs_run_delayed_items+0x24/0x34 [ 43.309185][ T4769] btrfs_commit_transaction+0x7f8/0x30ac [ 43.310256][ T4769] create_snapshot+0x39c/0x69c [ 43.311134][ T4769] btrfs_mksubvol+0x510/0x658 [ 43.311955][ T4769] btrfs_mksnapshot+0xc8/0x168 [ 43.312759][ T4769] __btrfs_ioctl_snap_create+0x39c/0x488 [ 43.313767][ T4769] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 43.314786][ T4769] btrfs_ioctl+0x7f0/0xa8c [ 43.315549][ T4769] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.316414][ T4769] invoke_syscall+0x98/0x28c [ 43.317378][ T4769] el0_svc_common+0x13c/0x258 [ 43.318274][ T4769] do_el0_svc+0x5c/0x140 [ 43.319074][ T4769] el0_svc+0x78/0x1d0 [ 43.319841][ T4769] el0t_64_sync_handler+0xcc/0xe4 [ 43.320813][ T4769] el0t_64_sync+0x1a0/0x1a4 [ 43.501893][ T4790] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4790) [ 43.506445][ T4790] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 43.507940][ T4790] BTRFS info (device loop0): using free space tree [ 43.509056][ T4790] BTRFS info (device loop0): has skinny extents [ 43.524951][ T4790] BTRFS info (device loop0): enabling ssd optimizations [ 43.527918][ T4790] FAULT_INJECTION: forcing a failure. [ 43.527918][ T4790] name failslab, interval 1, probability 0, space 0, times 0 [ 43.530093][ T4790] CPU: 0 PID: 4790 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.531537][ T4790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.533287][ T4790] Call trace: [ 43.533850][ T4790] dump_backtrace+0x0/0x458 [ 43.534642][ T4790] show_stack+0x2c/0x3c [ 43.535424][ T4790] __dump_stack+0x30/0x40 [ 43.536188][ T4790] dump_stack_lvl+0xf4/0x15c [ 43.536997][ T4790] dump_stack+0x1c/0x5c [ 43.537790][ T4790] should_fail+0x3c8/0x520 [ 43.538535][ T4790] __should_failslab+0xbc/0x10c [ 43.539367][ T4790] should_failslab+0x10/0x28 [ 43.540168][ T4790] slab_pre_alloc_hook+0x64/0xe8 [ 43.541040][ T4790] kmem_cache_alloc+0x94/0x3d8 [ 43.541883][ T4790] btrfs_alloc_path+0x5c/0x68 [ 43.542795][ T4790] __btrfs_run_delayed_items+0x88/0x478 [ 43.543773][ T4790] btrfs_run_delayed_items+0x24/0x34 [ 43.544646][ T4790] create_pending_snapshot+0x7a0/0x2420 [ 43.545612][ T4790] create_pending_snapshots+0x154/0x19c [ 43.546627][ T4790] btrfs_commit_transaction+0xe1c/0x30ac [ 43.547667][ T4790] create_snapshot+0x39c/0x69c [ 43.548512][ T4790] btrfs_mksubvol+0x510/0x658 [ 43.549322][ T4790] btrfs_mksnapshot+0xc8/0x168 [ 43.550132][ T4790] __btrfs_ioctl_snap_create+0x39c/0x488 [ 43.551133][ T4790] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 43.552304][ T4790] btrfs_ioctl+0x7f0/0xa8c [ 43.553125][ T4790] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.554024][ T4790] invoke_syscall+0x98/0x28c [ 43.554928][ T4790] el0_svc_common+0x13c/0x258 [ 43.555734][ T4790] do_el0_svc+0x5c/0x140 [ 43.556463][ T4790] el0_svc+0x78/0x1d0 [ 43.557162][ T4790] el0t_64_sync_handler+0xcc/0xe4 [ 43.558028][ T4790] el0t_64_sync+0x1a0/0x1a4 [ 43.562164][ T4790] ------------[ cut here ]------------ [ 43.563447][ T4790] WARNING: CPU: 0 PID: 4790 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 43.565262][ T4790] Modules linked in: [ 43.566011][ T4790] CPU: 0 PID: 4790 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.567648][ T4790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.569338][ T4790] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 43.570633][ T4790] pc : create_pending_snapshot+0x15f8/0x2420 [ 43.571627][ T4790] lr : create_pending_snapshot+0x15f8/0x2420 [ 43.572657][ T4790] sp : ffff8000204e7520 [ 43.573450][ T4790] x29: ffff8000204e7740 x28: ffff0000dae98bb0 x27: ffff70000409cec4 [ 43.574894][ T4790] x26: ffff0000ce453c00 x25: ffff0000ce453ca8 x24: dfff800000000000 [ 43.576262][ T4790] x23: ffff0000d205c178 x22: ffff0000d21414f0 x21: 1fffe00019c8a786 [ 43.577861][ T4790] x20: ffff0000d21414d0 x19: 00000000fffffff4 x18: 0000000000000000 [ 43.579316][ T4790] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 43.580764][ T4790] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 43.582292][ T4790] x11: ff80800008300a7c x10: 0000000000000000 x9 : 61a275248e7f7e00 [ 43.583781][ T4790] x8 : 61a275248e7f7e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 43.585299][ T4790] x5 : ffff8000204e6e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 43.586784][ T4790] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 43.588252][ T4790] Call trace: [ 43.588847][ T4790] create_pending_snapshot+0x15f8/0x2420 [ 43.589865][ T4790] create_pending_snapshots+0x154/0x19c [ 43.590853][ T4790] btrfs_commit_transaction+0xe1c/0x30ac [ 43.592014][ T4790] create_snapshot+0x39c/0x69c [ 43.592937][ T4790] btrfs_mksubvol+0x510/0x658 [ 43.593794][ T4790] btrfs_mksnapshot+0xc8/0x168 [ 43.594629][ T4790] __btrfs_ioctl_snap_create+0x39c/0x488 [ 43.595632][ T4790] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 43.596668][ T4790] btrfs_ioctl+0x7f0/0xa8c [ 43.597450][ T4790] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.598277][ T4790] invoke_syscall+0x98/0x28c [ 43.599251][ T4790] el0_svc_common+0x13c/0x258 [ 43.600159][ T4790] do_el0_svc+0x5c/0x140 [ 43.600879][ T4790] el0_svc+0x78/0x1d0 [ 43.601583][ T4790] el0t_64_sync_handler+0xcc/0xe4 [ 43.602456][ T4790] el0t_64_sync+0x1a0/0x1a4 [ 43.603432][ T4790] irq event stamp: 78934 [ 43.604241][ T4790] hardirqs last enabled at (78933): [] __up_console_sem+0xb4/0xfc [ 43.606293][ T4790] hardirqs last disabled at (78934): [] el1_dbg+0x24/0x80 [ 43.608035][ T4790] softirqs last enabled at (78924): [] handle_softirqs+0xa70/0xc14 [ 43.609775][ T4790] softirqs last disabled at (78863): [] __irq_exit_rcu+0x240/0x434 [ 43.611574][ T4790] ---[ end trace c2c7cee6bf98bb99 ]--- [ 43.614760][ T4790] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 43.616396][ T4790] BTRFS info (device loop0): forced readonly [ 43.617352][ T4790] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 43.618652][ T4790] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory 1970/01/01 00:00:43 executed programs: 13 [ 43.783753][ T4811] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4811) [ 43.787283][ T4811] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 43.789428][ T4811] BTRFS info (device loop0): using free space tree [ 43.790569][ T4811] BTRFS info (device loop0): has skinny extents [ 43.805493][ T4811] BTRFS info (device loop0): enabling ssd optimizations [ 43.808343][ T4811] FAULT_INJECTION: forcing a failure. [ 43.808343][ T4811] name failslab, interval 1, probability 0, space 0, times 0 [ 43.810644][ T4811] CPU: 1 PID: 4811 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.812244][ T4811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.813886][ T4811] Call trace: [ 43.814450][ T4811] dump_backtrace+0x0/0x458 [ 43.815221][ T4811] show_stack+0x2c/0x3c [ 43.815950][ T4811] __dump_stack+0x30/0x40 [ 43.816755][ T4811] dump_stack_lvl+0xf4/0x15c [ 43.817585][ T4811] dump_stack+0x1c/0x5c [ 43.818335][ T4811] should_fail+0x3c8/0x520 [ 43.819097][ T4811] __should_failslab+0xbc/0x10c [ 43.819930][ T4811] should_failslab+0x10/0x28 [ 43.820739][ T4811] slab_pre_alloc_hook+0x64/0xe8 [ 43.821639][ T4811] kmem_cache_alloc+0x94/0x3d8 [ 43.822468][ T4811] btrfs_alloc_path+0x5c/0x68 [ 43.823279][ T4811] __btrfs_run_delayed_items+0x88/0x478 [ 43.824249][ T4811] btrfs_run_delayed_items+0x24/0x34 [ 43.825157][ T4811] create_pending_snapshot+0x7a0/0x2420 [ 43.826086][ T4811] create_pending_snapshots+0x154/0x19c [ 43.827273][ T4811] btrfs_commit_transaction+0xe1c/0x30ac [ 43.828454][ T4811] create_snapshot+0x39c/0x69c [ 43.829397][ T4811] btrfs_mksubvol+0x510/0x658 [ 43.830310][ T4811] btrfs_mksnapshot+0xc8/0x168 [ 43.831296][ T4811] __btrfs_ioctl_snap_create+0x39c/0x488 [ 43.832402][ T4811] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 43.833524][ T4811] btrfs_ioctl+0x7f0/0xa8c [ 43.834342][ T4811] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.835313][ T4811] invoke_syscall+0x98/0x28c [ 43.836162][ T4811] el0_svc_common+0x13c/0x258 [ 43.836957][ T4811] do_el0_svc+0x5c/0x140 [ 43.837708][ T4811] el0_svc+0x78/0x1d0 [ 43.838393][ T4811] el0t_64_sync_handler+0xcc/0xe4 [ 43.839260][ T4811] el0t_64_sync+0x1a0/0x1a4 [ 43.842321][ T4811] ------------[ cut here ]------------ [ 43.843409][ T4811] WARNING: CPU: 1 PID: 4811 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 43.845254][ T4811] Modules linked in: [ 43.845923][ T4811] CPU: 1 PID: 4811 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 43.847555][ T4811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 43.849326][ T4811] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 43.850680][ T4811] pc : create_pending_snapshot+0x15f8/0x2420 [ 43.851690][ T4811] lr : create_pending_snapshot+0x15f8/0x2420 [ 43.852695][ T4811] sp : ffff8000208b7520 [ 43.853404][ T4811] x29: ffff8000208b7740 x28: ffff0000ceeb1790 x27: ffff700004116ec4 [ 43.854798][ T4811] x26: ffff0000cb5e2800 x25: ffff0000cb5e28a8 x24: dfff800000000000 [ 43.856248][ T4811] x23: ffff0000dd1642f0 x22: ffff0000de96eb20 x21: 1fffe000196bc506 [ 43.857584][ T4811] x20: ffff0000de96eb00 x19: 00000000fffffff4 x18: 0000000000000000 [ 43.858959][ T4811] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 43.860322][ T4811] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 43.861785][ T4811] x11: ff80800008300a7c x10: 0000000000000000 x9 : cd79fdfc9ebb2500 [ 43.863170][ T4811] x8 : cd79fdfc9ebb2500 x7 : 0000000000000001 x6 : 0000000000000001 [ 43.864604][ T4811] x5 : ffff8000208b6e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 43.866002][ T4811] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 43.867391][ T4811] Call trace: [ 43.867983][ T4811] create_pending_snapshot+0x15f8/0x2420 [ 43.868956][ T4811] create_pending_snapshots+0x154/0x19c [ 43.869908][ T4811] btrfs_commit_transaction+0xe1c/0x30ac [ 43.870919][ T4811] create_snapshot+0x39c/0x69c [ 43.871770][ T4811] btrfs_mksubvol+0x510/0x658 [ 43.872566][ T4811] btrfs_mksnapshot+0xc8/0x168 [ 43.873393][ T4811] __btrfs_ioctl_snap_create+0x39c/0x488 [ 43.874348][ T4811] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 43.875354][ T4811] btrfs_ioctl+0x7f0/0xa8c [ 43.876137][ T4811] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.877008][ T4811] invoke_syscall+0x98/0x28c [ 43.877810][ T4811] el0_svc_common+0x13c/0x258 [ 43.878610][ T4811] do_el0_svc+0x5c/0x140 [ 43.879383][ T4811] el0_svc+0x78/0x1d0 [ 43.880088][ T4811] el0t_64_sync_handler+0xcc/0xe4 [ 43.880951][ T4811] el0t_64_sync+0x1a0/0x1a4 [ 43.881753][ T4811] irq event stamp: 78848 [ 43.882481][ T4811] hardirqs last enabled at (78847): [] __up_console_sem+0xb4/0xfc [ 43.884112][ T4811] hardirqs last disabled at (78848): [] el1_dbg+0x24/0x80 [ 43.885584][ T4811] softirqs last enabled at (78828): [] handle_softirqs+0xa70/0xc14 [ 43.887285][ T4811] softirqs last disabled at (78811): [] __irq_exit_rcu+0x240/0x434 [ 43.888976][ T4811] ---[ end trace c2c7cee6bf98bb9a ]--- [ 43.891097][ T4811] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 43.892880][ T4811] BTRFS info (device loop0): forced readonly [ 43.894097][ T4811] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 43.895720][ T4811] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 44.090784][ T4833] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4833) [ 44.094763][ T4833] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 44.096891][ T4833] BTRFS info (device loop0): using free space tree [ 44.098238][ T4833] BTRFS info (device loop0): has skinny extents [ 44.116209][ T4833] BTRFS info (device loop0): enabling ssd optimizations [ 44.119414][ T4833] FAULT_INJECTION: forcing a failure. [ 44.119414][ T4833] name failslab, interval 1, probability 0, space 0, times 0 [ 44.122046][ T4833] CPU: 1 PID: 4833 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.123697][ T4833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.125500][ T4833] Call trace: [ 44.126078][ T4833] dump_backtrace+0x0/0x458 [ 44.126849][ T4833] show_stack+0x2c/0x3c [ 44.127617][ T4833] __dump_stack+0x30/0x40 [ 44.128383][ T4833] dump_stack_lvl+0xf4/0x15c [ 44.129180][ T4833] dump_stack+0x1c/0x5c [ 44.129895][ T4833] should_fail+0x3c8/0x520 [ 44.130654][ T4833] __should_failslab+0xbc/0x10c [ 44.131486][ T4833] should_failslab+0x10/0x28 [ 44.132282][ T4833] slab_pre_alloc_hook+0x64/0xe8 [ 44.133147][ T4833] kmem_cache_alloc+0x94/0x3d8 [ 44.133942][ T4833] btrfs_alloc_path+0x5c/0x68 [ 44.134755][ T4833] __btrfs_run_delayed_items+0x88/0x478 [ 44.135726][ T4833] btrfs_run_delayed_items+0x24/0x34 [ 44.136664][ T4833] btrfs_commit_transaction+0x948/0x30ac [ 44.137634][ T4833] create_snapshot+0x39c/0x69c [ 44.138496][ T4833] btrfs_mksubvol+0x510/0x658 [ 44.139342][ T4833] btrfs_mksnapshot+0xc8/0x168 [ 44.140217][ T4833] __btrfs_ioctl_snap_create+0x39c/0x488 [ 44.141231][ T4833] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 44.142230][ T4833] btrfs_ioctl+0x7f0/0xa8c [ 44.142955][ T4833] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.143848][ T4833] invoke_syscall+0x98/0x28c [ 44.144654][ T4833] el0_svc_common+0x13c/0x258 [ 44.145479][ T4833] do_el0_svc+0x5c/0x140 [ 44.146208][ T4833] el0_svc+0x78/0x1d0 [ 44.146848][ T4833] el0t_64_sync_handler+0xcc/0xe4 [ 44.147672][ T4833] el0t_64_sync+0x1a0/0x1a4 [ 44.148673][ T4833] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 44.150183][ T4833] ------------[ cut here ]------------ [ 44.151182][ T4833] WARNING: CPU: 1 PID: 4833 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1e20/0x30ac [ 44.153007][ T4833] Modules linked in: [ 44.153667][ T4833] CPU: 1 PID: 4833 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.155219][ T4833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.156980][ T4833] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.158350][ T4833] pc : btrfs_commit_transaction+0x1e20/0x30ac [ 44.159424][ T4833] lr : btrfs_commit_transaction+0x1e20/0x30ac [ 44.160470][ T4833] sp : ffff800020917800 [ 44.161189][ T4833] x29: ffff800020917a40 x28: ffff0000de96ebb0 x27: dfff800000000000 [ 44.162634][ T4833] x26: ffff700004122f18 x25: ffff0000d36f6328 x24: ffff0000daee19d0 [ 44.164087][ T4833] x23: 00000000fffffff4 x22: ffff0000de449000 x21: ffff0000daee0000 [ 44.165590][ T4833] x20: 0000000000000000 x19: 1fffe0001a6dec65 x18: 0000000000000000 [ 44.166968][ T4833] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 44.168345][ T4833] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 44.169721][ T4833] x11: ff80800008300a7c x10: 0000000000000000 x9 : cd48d55bc818a300 [ 44.171111][ T4833] x8 : cd48d55bc818a300 x7 : 0000000000000001 x6 : 0000000000000001 [ 44.172489][ T4833] x5 : ffff800020917118 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 44.173932][ T4833] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 44.175313][ T4833] Call trace: [ 44.175854][ T4833] btrfs_commit_transaction+0x1e20/0x30ac [ 44.176840][ T4833] create_snapshot+0x39c/0x69c [ 44.177627][ T4833] btrfs_mksubvol+0x510/0x658 [ 44.178427][ T4833] btrfs_mksnapshot+0xc8/0x168 [ 44.179239][ T4833] __btrfs_ioctl_snap_create+0x39c/0x488 [ 44.180187][ T4833] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 44.181191][ T4833] btrfs_ioctl+0x7f0/0xa8c [ 44.181974][ T4833] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.182842][ T4833] invoke_syscall+0x98/0x28c [ 44.183639][ T4833] el0_svc_common+0x13c/0x258 [ 44.184486][ T4833] do_el0_svc+0x5c/0x140 [ 44.185227][ T4833] el0_svc+0x78/0x1d0 [ 44.185905][ T4833] el0t_64_sync_handler+0xcc/0xe4 [ 44.186752][ T4833] el0t_64_sync+0x1a0/0x1a4 [ 44.187544][ T4833] irq event stamp: 78910 [ 44.188289][ T4833] hardirqs last enabled at (78909): [] __up_console_sem+0xb4/0xfc [ 44.189966][ T4833] hardirqs last disabled at (78910): [] el1_dbg+0x24/0x80 [ 44.191467][ T4833] softirqs last enabled at (78876): [] handle_softirqs+0xa70/0xc14 [ 44.193114][ T4833] softirqs last disabled at (78841): [] __irq_exit_rcu+0x240/0x434 [ 44.194755][ T4833] ---[ end trace c2c7cee6bf98bb9b ]--- [ 44.196047][ T4833] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 44.197863][ T4833] BTRFS info (device loop0): forced readonly [ 44.400994][ T4854] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4854) [ 44.404466][ T4854] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 44.406562][ T4854] BTRFS info (device loop0): using free space tree [ 44.407877][ T4854] BTRFS info (device loop0): has skinny extents [ 44.422354][ T4854] BTRFS info (device loop0): enabling ssd optimizations [ 44.429381][ T4854] FAULT_INJECTION: forcing a failure. [ 44.429381][ T4854] name failslab, interval 1, probability 0, space 0, times 0 [ 44.431677][ T4854] CPU: 1 PID: 4854 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.433254][ T4854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.434953][ T4854] Call trace: [ 44.435618][ T4854] dump_backtrace+0x0/0x458 [ 44.436516][ T4854] show_stack+0x2c/0x3c [ 44.437308][ T4854] __dump_stack+0x30/0x40 [ 44.438137][ T4854] dump_stack_lvl+0xf4/0x15c [ 44.439050][ T4854] dump_stack+0x1c/0x5c [ 44.439873][ T4854] should_fail+0x3c8/0x520 [ 44.440722][ T4854] __should_failslab+0xbc/0x10c [ 44.441705][ T4854] should_failslab+0x10/0x28 [ 44.442600][ T4854] slab_pre_alloc_hook+0x64/0xe8 [ 44.443532][ T4854] kmem_cache_alloc+0x94/0x3d8 [ 44.444478][ T4854] btrfs_alloc_path+0x5c/0x68 [ 44.445383][ T4854] __btrfs_run_delayed_items+0x88/0x478 [ 44.446401][ T4854] btrfs_run_delayed_items+0x24/0x34 [ 44.447395][ T4854] create_pending_snapshot+0x7a0/0x2420 [ 44.448428][ T4854] create_pending_snapshots+0x154/0x19c [ 44.449457][ T4854] btrfs_commit_transaction+0xe1c/0x30ac [ 44.450512][ T4854] create_snapshot+0x39c/0x69c [ 44.451400][ T4854] btrfs_mksubvol+0x510/0x658 [ 44.452293][ T4854] btrfs_mksnapshot+0xc8/0x168 [ 44.453152][ T4854] __btrfs_ioctl_snap_create+0x39c/0x488 [ 44.454141][ T4854] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 44.455112][ T4854] btrfs_ioctl+0x7f0/0xa8c [ 44.455842][ T4854] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.456675][ T4854] invoke_syscall+0x98/0x28c [ 44.457467][ T4854] el0_svc_common+0x13c/0x258 [ 44.458281][ T4854] do_el0_svc+0x5c/0x140 [ 44.459015][ T4854] el0_svc+0x78/0x1d0 [ 44.459720][ T4854] el0t_64_sync_handler+0xcc/0xe4 [ 44.460580][ T4854] el0t_64_sync+0x1a0/0x1a4 [ 44.462167][ T4854] ------------[ cut here ]------------ [ 44.464052][ T4854] WARNING: CPU: 1 PID: 4854 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 44.466097][ T4854] Modules linked in: [ 44.466870][ T4854] CPU: 1 PID: 4854 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.468685][ T4854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.470657][ T4854] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.472168][ T4854] pc : create_pending_snapshot+0x15f8/0x2420 [ 44.473281][ T4854] lr : create_pending_snapshot+0x15f8/0x2420 [ 44.474308][ T4854] sp : ffff800020ed7520 [ 44.475033][ T4854] x29: ffff800020ed7740 x28: ffff0000c81d5a50 x27: ffff7000041daec4 [ 44.476474][ T4854] x26: ffff0000cedfd200 x25: ffff0000cedfd2a8 x24: dfff800000000000 [ 44.477907][ T4854] x23: ffff0000e24a3be8 x22: ffff0000de96ec80 x21: 1fffe00019dbfa46 [ 44.479221][ T4854] x20: ffff0000de96ec60 x19: 00000000fffffff4 x18: 0000000000000000 [ 44.480576][ T4854] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 44.481967][ T4854] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 44.483330][ T4854] x11: ff80800008300a7c x10: 0000000000000000 x9 : e8e0621e4a6e6c00 [ 44.484699][ T4854] x8 : e8e0621e4a6e6c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 44.486071][ T4854] x5 : ffff800020ed6e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 44.487458][ T4854] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 44.488891][ T4854] Call trace: [ 44.489474][ T4854] create_pending_snapshot+0x15f8/0x2420 [ 44.490456][ T4854] create_pending_snapshots+0x154/0x19c [ 44.491461][ T4854] btrfs_commit_transaction+0xe1c/0x30ac [ 44.492428][ T4854] create_snapshot+0x39c/0x69c [ 44.493241][ T4854] btrfs_mksubvol+0x510/0x658 [ 44.494036][ T4854] btrfs_mksnapshot+0xc8/0x168 [ 44.494872][ T4854] __btrfs_ioctl_snap_create+0x39c/0x488 [ 44.495850][ T4854] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 44.496818][ T4854] btrfs_ioctl+0x7f0/0xa8c [ 44.497562][ T4854] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.498429][ T4854] invoke_syscall+0x98/0x28c [ 44.499208][ T4854] el0_svc_common+0x13c/0x258 [ 44.499997][ T4854] do_el0_svc+0x5c/0x140 [ 44.500717][ T4854] el0_svc+0x78/0x1d0 [ 44.501419][ T4854] el0t_64_sync_handler+0xcc/0xe4 [ 44.502278][ T4854] el0t_64_sync+0x1a0/0x1a4 [ 44.503031][ T4854] irq event stamp: 78286 [ 44.503726][ T4854] hardirqs last enabled at (78285): [] __up_console_sem+0xb4/0xfc [ 44.505382][ T4854] hardirqs last disabled at (78286): [] el1_dbg+0x24/0x80 [ 44.506901][ T4854] softirqs last enabled at (78274): [] handle_softirqs+0xa70/0xc14 [ 44.508585][ T4854] softirqs last disabled at (78207): [] __irq_exit_rcu+0x240/0x434 [ 44.510208][ T4854] ---[ end trace c2c7cee6bf98bb9c ]--- [ 44.511851][ T4854] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 44.513707][ T4854] BTRFS info (device loop0): forced readonly [ 44.514712][ T4854] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 44.516007][ T4854] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 44.703372][ T4875] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4875) [ 44.706983][ T4875] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 44.708402][ T4875] BTRFS info (device loop0): using free space tree [ 44.709463][ T4875] BTRFS info (device loop0): has skinny extents [ 44.718611][ T4875] BTRFS info (device loop0): enabling ssd optimizations [ 44.723243][ T4875] FAULT_INJECTION: forcing a failure. [ 44.723243][ T4875] name failslab, interval 1, probability 0, space 0, times 0 [ 44.725292][ T4875] CPU: 1 PID: 4875 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.726646][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.728270][ T4875] Call trace: [ 44.728802][ T4875] dump_backtrace+0x0/0x458 [ 44.729543][ T4875] show_stack+0x2c/0x3c [ 44.730221][ T4875] __dump_stack+0x30/0x40 [ 44.730912][ T4875] dump_stack_lvl+0xf4/0x15c [ 44.731644][ T4875] dump_stack+0x1c/0x5c [ 44.732315][ T4875] should_fail+0x3c8/0x520 [ 44.733065][ T4875] __should_failslab+0xbc/0x10c [ 44.733859][ T4875] should_failslab+0x10/0x28 [ 44.734661][ T4875] slab_pre_alloc_hook+0x64/0xe8 [ 44.735555][ T4875] kmem_cache_alloc+0x94/0x3d8 [ 44.736384][ T4875] btrfs_alloc_path+0x5c/0x68 [ 44.737204][ T4875] __btrfs_run_delayed_items+0x88/0x478 [ 44.738189][ T4875] btrfs_run_delayed_items+0x24/0x34 [ 44.739104][ T4875] btrfs_commit_transaction+0x948/0x30ac [ 44.740142][ T4875] create_snapshot+0x39c/0x69c [ 44.741002][ T4875] btrfs_mksubvol+0x510/0x658 [ 44.741809][ T4875] btrfs_mksnapshot+0xc8/0x168 [ 44.742622][ T4875] __btrfs_ioctl_snap_create+0x39c/0x488 [ 44.743561][ T4875] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 44.744541][ T4875] btrfs_ioctl+0x7f0/0xa8c [ 44.745313][ T4875] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.746173][ T4875] invoke_syscall+0x98/0x28c [ 44.746960][ T4875] el0_svc_common+0x13c/0x258 [ 44.747799][ T4875] do_el0_svc+0x5c/0x140 [ 44.748561][ T4875] el0_svc+0x78/0x1d0 [ 44.749262][ T4875] el0t_64_sync_handler+0xcc/0xe4 [ 44.750158][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 44.752434][ T4440] Bluetooth: hci0: command 0x040f tx timeout [ 44.754045][ T4875] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 44.755530][ T4875] ------------[ cut here ]------------ [ 44.756522][ T4875] WARNING: CPU: 0 PID: 4875 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1e20/0x30ac [ 44.758375][ T4875] Modules linked in: [ 44.759073][ T4875] CPU: 0 PID: 4875 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.760686][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 44.762520][ T4875] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 44.763850][ T4875] pc : btrfs_commit_transaction+0x1e20/0x30ac [ 44.764932][ T4875] lr : btrfs_commit_transaction+0x1e20/0x30ac [ 44.765999][ T4875] sp : ffff800020917800 [ 44.766745][ T4875] x29: ffff800020917a40 x28: ffff0000de96ed10 x27: dfff800000000000 [ 44.768212][ T4875] x26: ffff700004122f18 x25: ffff0000d8e447e8 x24: ffff0000d9b4d9d0 [ 44.769660][ T4875] x23: 00000000fffffff4 x22: ffff0000de44e000 x21: ffff0000d9b4c000 [ 44.771142][ T4875] x20: 0000000000000000 x19: 1fffe0001b1c88fd x18: 0000000000000000 [ 44.772618][ T4875] x17: 0000000000000000 x16: ffff8000082c6844 x15: 0000000000000000 [ 44.774050][ T4875] x14: 0000000000000001 x13: 1ffff00004122e20 x12: 0000000000000000 [ 44.775612][ T4875] x11: ff80800008300a7c x10: 0000000000000000 x9 : 31d404740aafc200 [ 44.777045][ T4875] x8 : 31d404740aafc200 x7 : 0000000000000001 x6 : 0000000000000001 [ 44.778382][ T4875] x5 : ffff800020917118 x4 : ffff80001448f520 x3 : ffff8000083083a4 [ 44.779759][ T4875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 44.781082][ T4875] Call trace: [ 44.781632][ T4875] btrfs_commit_transaction+0x1e20/0x30ac [ 44.782642][ T4875] create_snapshot+0x39c/0x69c [ 44.783492][ T4875] btrfs_mksubvol+0x510/0x658 [ 44.784302][ T4875] btrfs_mksnapshot+0xc8/0x168 [ 44.785159][ T4875] __btrfs_ioctl_snap_create+0x39c/0x488 [ 44.786161][ T4875] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 44.787193][ T4875] btrfs_ioctl+0x7f0/0xa8c [ 44.787986][ T4875] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.788856][ T4875] invoke_syscall+0x98/0x28c [ 44.789655][ T4875] el0_svc_common+0x13c/0x258 [ 44.790479][ T4875] do_el0_svc+0x5c/0x140 [ 44.791219][ T4875] el0_svc+0x78/0x1d0 [ 44.791926][ T4875] el0t_64_sync_handler+0xcc/0xe4 [ 44.792805][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 44.793601][ T4875] irq event stamp: 78486 [ 44.794360][ T4875] hardirqs last enabled at (78485): [] __up_console_sem+0xb4/0xfc [ 44.795958][ T4875] hardirqs last disabled at (78486): [] el1_dbg+0x24/0x80 [ 44.797454][ T4875] softirqs last enabled at (78452): [] handle_softirqs+0xa70/0xc14 [ 44.799085][ T4875] softirqs last disabled at (78295): [] __irq_exit_rcu+0x240/0x434 [ 44.800820][ T4875] ---[ end trace c2c7cee6bf98bb9d ]--- [ 44.802438][ T4875] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 44.804312][ T4875] BTRFS info (device loop0): forced readonly [ 44.973834][ T4896] set_capacity_and_notify: 7 callbacks suppressed [ 44.973843][ T4896] loop0: detected capacity change from 0 to 32768 [ 44.977191][ T4896] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4896) [ 44.980631][ T4896] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 44.983326][ T4896] BTRFS info (device loop0): using free space tree [ 44.984468][ T4896] BTRFS info (device loop0): has skinny extents [ 44.992166][ T4896] BTRFS info (device loop0): enabling ssd optimizations [ 44.995324][ T4896] FAULT_INJECTION: forcing a failure. [ 44.995324][ T4896] name failslab, interval 1, probability 0, space 0, times 0 [ 44.997803][ T4896] CPU: 1 PID: 4896 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 44.999385][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.001456][ T4896] Call trace: [ 45.002043][ T4896] dump_backtrace+0x0/0x458 [ 45.002893][ T4896] show_stack+0x2c/0x3c [ 45.003686][ T4896] __dump_stack+0x30/0x40 [ 45.004505][ T4896] dump_stack_lvl+0xf4/0x15c [ 45.005312][ T4896] dump_stack+0x1c/0x5c [ 45.006034][ T4896] should_fail+0x3c8/0x520 [ 45.006841][ T4896] __should_failslab+0xbc/0x10c [ 45.007750][ T4896] should_failslab+0x10/0x28 [ 45.008572][ T4896] slab_pre_alloc_hook+0x64/0xe8 [ 45.009461][ T4896] kmem_cache_alloc+0x94/0x3d8 [ 45.010280][ T4896] btrfs_alloc_path+0x5c/0x68 [ 45.011255][ T4896] __btrfs_run_delayed_items+0x88/0x478 [ 45.012358][ T4896] btrfs_run_delayed_items+0x24/0x34 [ 45.013294][ T4896] create_pending_snapshot+0x7a0/0x2420 [ 45.014263][ T4896] create_pending_snapshots+0x154/0x19c [ 45.015208][ T4896] btrfs_commit_transaction+0xe1c/0x30ac [ 45.016175][ T4896] create_snapshot+0x39c/0x69c [ 45.017190][ T4896] btrfs_mksubvol+0x510/0x658 [ 45.018155][ T4896] btrfs_mksnapshot+0xc8/0x168 [ 45.019109][ T4896] __btrfs_ioctl_snap_create+0x39c/0x488 [ 45.020189][ T4896] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 45.021235][ T4896] btrfs_ioctl+0x7f0/0xa8c [ 45.022067][ T4896] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.022997][ T4896] invoke_syscall+0x98/0x28c [ 45.023838][ T4896] el0_svc_common+0x13c/0x258 [ 45.024706][ T4896] do_el0_svc+0x5c/0x140 [ 45.025497][ T4896] el0_svc+0x78/0x1d0 [ 45.026199][ T4896] el0t_64_sync_handler+0xcc/0xe4 [ 45.027083][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 45.029707][ T4896] ------------[ cut here ]------------ [ 45.030826][ T4896] WARNING: CPU: 1 PID: 4896 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 45.032751][ T4896] Modules linked in: [ 45.033447][ T4896] CPU: 1 PID: 4896 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.035102][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.036929][ T4896] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.038328][ T4896] pc : create_pending_snapshot+0x15f8/0x2420 [ 45.039365][ T4896] lr : create_pending_snapshot+0x15f8/0x2420 [ 45.040420][ T4896] sp : ffff800020ee7520 [ 45.041138][ T4896] x29: ffff800020ee7740 x28: ffff0000d9f99790 x27: ffff7000041dcec4 [ 45.042518][ T4896] x26: ffff0000cee17400 x25: ffff0000cee174a8 x24: dfff800000000000 [ 45.043936][ T4896] x23: ffff0000db8c4178 x22: ffff0000de96ede0 x21: 1fffe00019dc2e86 [ 45.045613][ T4896] x20: ffff0000de96edc0 x19: 00000000fffffff4 x18: 0000000000000000 [ 45.047199][ T4896] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 45.048870][ T4896] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 45.050491][ T4896] x11: ff80800008300a7c x10: 0000000000000000 x9 : 8307c8243bb4f100 [ 45.052050][ T4896] x8 : 8307c8243bb4f100 x7 : 0000000000000001 x6 : 0000000000000001 [ 45.053636][ T4896] x5 : ffff800020ee6e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 45.055207][ T4896] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 45.056739][ T4896] Call trace: [ 45.057382][ T4896] create_pending_snapshot+0x15f8/0x2420 [ 45.058514][ T4896] create_pending_snapshots+0x154/0x19c [ 45.059586][ T4896] btrfs_commit_transaction+0xe1c/0x30ac [ 45.060693][ T4896] create_snapshot+0x39c/0x69c [ 45.061660][ T4896] btrfs_mksubvol+0x510/0x658 [ 45.062568][ T4896] btrfs_mksnapshot+0xc8/0x168 [ 45.063437][ T4896] __btrfs_ioctl_snap_create+0x39c/0x488 [ 45.064452][ T4896] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 45.065620][ T4896] btrfs_ioctl+0x7f0/0xa8c [ 45.066429][ T4896] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.067288][ T4896] invoke_syscall+0x98/0x28c [ 45.068074][ T4896] el0_svc_common+0x13c/0x258 [ 45.068873][ T4896] do_el0_svc+0x5c/0x140 [ 45.069618][ T4896] el0_svc+0x78/0x1d0 [ 45.070306][ T4896] el0t_64_sync_handler+0xcc/0xe4 [ 45.071137][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 45.071971][ T4896] irq event stamp: 78904 [ 45.072726][ T4896] hardirqs last enabled at (78903): [] __up_console_sem+0xb4/0xfc [ 45.074394][ T4896] hardirqs last disabled at (78904): [] el1_dbg+0x24/0x80 [ 45.076012][ T4896] softirqs last enabled at (78884): [] handle_softirqs+0xa70/0xc14 [ 45.077723][ T4896] softirqs last disabled at (78871): [] __irq_exit_rcu+0x240/0x434 [ 45.079382][ T4896] ---[ end trace c2c7cee6bf98bb9e ]--- [ 45.081241][ T4896] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 45.083727][ T4896] BTRFS info (device loop0): forced readonly [ 45.084829][ T4896] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 45.086214][ T4896] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 45.262854][ T4917] loop0: detected capacity change from 0 to 32768 [ 45.265407][ T4917] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4917) [ 45.268961][ T4917] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 45.270495][ T4917] BTRFS info (device loop0): using free space tree [ 45.271669][ T4917] BTRFS info (device loop0): has skinny extents [ 45.287824][ T4917] BTRFS info (device loop0): enabling ssd optimizations [ 45.290806][ T4917] FAULT_INJECTION: forcing a failure. [ 45.290806][ T4917] name failslab, interval 1, probability 0, space 0, times 0 [ 45.293723][ T4917] CPU: 1 PID: 4917 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.295383][ T4917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.297180][ T4917] Call trace: [ 45.297757][ T4917] dump_backtrace+0x0/0x458 [ 45.298564][ T4917] show_stack+0x2c/0x3c [ 45.299344][ T4917] __dump_stack+0x30/0x40 [ 45.300136][ T4917] dump_stack_lvl+0xf4/0x15c [ 45.300978][ T4917] dump_stack+0x1c/0x5c [ 45.301725][ T4917] should_fail+0x3c8/0x520 [ 45.302486][ T4917] __should_failslab+0xbc/0x10c [ 45.303335][ T4917] should_failslab+0x10/0x28 [ 45.304149][ T4917] slab_pre_alloc_hook+0x64/0xe8 [ 45.305011][ T4917] kmem_cache_alloc+0x94/0x3d8 [ 45.305854][ T4917] btrfs_alloc_path+0x5c/0x68 [ 45.306659][ T4917] __btrfs_run_delayed_items+0x88/0x478 [ 45.307580][ T4917] btrfs_run_delayed_items+0x24/0x34 [ 45.308477][ T4917] create_pending_snapshot+0x7a0/0x2420 [ 45.309416][ T4917] create_pending_snapshots+0x154/0x19c [ 45.310380][ T4917] btrfs_commit_transaction+0xe1c/0x30ac [ 45.311350][ T4917] create_snapshot+0x39c/0x69c [ 45.312167][ T4917] btrfs_mksubvol+0x510/0x658 [ 45.312936][ T4917] btrfs_mksnapshot+0xc8/0x168 [ 45.313711][ T4917] __btrfs_ioctl_snap_create+0x39c/0x488 [ 45.314669][ T4917] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 45.315649][ T4917] btrfs_ioctl+0x7f0/0xa8c [ 45.316439][ T4917] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.317299][ T4917] invoke_syscall+0x98/0x28c [ 45.318094][ T4917] el0_svc_common+0x13c/0x258 [ 45.318891][ T4917] do_el0_svc+0x5c/0x140 [ 45.319615][ T4917] el0_svc+0x78/0x1d0 [ 45.320318][ T4917] el0t_64_sync_handler+0xcc/0xe4 [ 45.321192][ T4917] el0t_64_sync+0x1a0/0x1a4 [ 45.323153][ T4917] ------------[ cut here ]------------ [ 45.324202][ T4917] WARNING: CPU: 0 PID: 4917 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 45.325883][ T4917] Modules linked in: [ 45.326523][ T4917] CPU: 0 PID: 4917 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.327949][ T4917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.329594][ T4917] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.330795][ T4917] pc : create_pending_snapshot+0x15f8/0x2420 [ 45.331683][ T4917] lr : create_pending_snapshot+0x15f8/0x2420 [ 45.332653][ T4917] sp : ffff800020ee7520 [ 45.333345][ T4917] x29: ffff800020ee7740 x28: ffff0000da4a8370 x27: ffff7000041dcec4 [ 45.334705][ T4917] x26: ffff0000cee16a00 x25: ffff0000cee16aa8 x24: dfff800000000000 [ 45.336054][ T4917] x23: ffff0000c5644468 x22: ffff0000de96ee90 x21: 1fffe00019dc2d46 [ 45.337461][ T4917] x20: ffff0000de96ee70 x19: 00000000fffffff4 x18: 0000000000000000 [ 45.338903][ T4917] x17: 0000000000000000 x16: ffff8000082c6844 x15: 0000000000000000 [ 45.340319][ T4917] x14: 0000000000000001 x13: 1ffff000041dcdc4 x12: 0000000000000000 [ 45.341716][ T4917] x11: ff80800008300a7c x10: 0000000000000000 x9 : a05d03f4ad9af400 [ 45.343069][ T4917] x8 : a05d03f4ad9af400 x7 : 0000000000000001 x6 : 0000000000000001 [ 45.344461][ T4917] x5 : ffff800020ee6e38 x4 : ffff80001448f520 x3 : ffff8000083083a4 [ 45.345856][ T4917] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 45.347249][ T4917] Call trace: [ 45.347823][ T4917] create_pending_snapshot+0x15f8/0x2420 [ 45.348826][ T4917] create_pending_snapshots+0x154/0x19c [ 45.349768][ T4917] btrfs_commit_transaction+0xe1c/0x30ac [ 45.350740][ T4917] create_snapshot+0x39c/0x69c [ 45.351573][ T4917] btrfs_mksubvol+0x510/0x658 [ 45.352394][ T4917] btrfs_mksnapshot+0xc8/0x168 [ 45.353217][ T4917] __btrfs_ioctl_snap_create+0x39c/0x488 [ 45.354172][ T4917] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 45.355174][ T4917] btrfs_ioctl+0x7f0/0xa8c [ 45.355921][ T4917] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.356754][ T4917] invoke_syscall+0x98/0x28c [ 45.357559][ T4917] el0_svc_common+0x13c/0x258 [ 45.358358][ T4917] do_el0_svc+0x5c/0x140 [ 45.359088][ T4917] el0_svc+0x78/0x1d0 [ 45.359763][ T4917] el0t_64_sync_handler+0xcc/0xe4 [ 45.360619][ T4917] el0t_64_sync+0x1a0/0x1a4 [ 45.361406][ T4917] irq event stamp: 78642 [ 45.362140][ T4917] hardirqs last enabled at (78641): [] __up_console_sem+0xb4/0xfc [ 45.363755][ T4917] hardirqs last disabled at (78642): [] el1_dbg+0x24/0x80 [ 45.365209][ T4917] softirqs last enabled at (78616): [] handle_softirqs+0xa70/0xc14 [ 45.366878][ T4917] softirqs last disabled at (78605): [] __irq_exit_rcu+0x240/0x434 [ 45.368528][ T4917] ---[ end trace c2c7cee6bf98bb9f ]--- [ 45.369689][ T4917] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 45.371306][ T4917] BTRFS info (device loop0): forced readonly [ 45.372924][ T4917] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 45.374283][ T4917] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 45.544609][ T4938] loop0: detected capacity change from 0 to 32768 [ 45.553724][ T4938] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4938) [ 45.559403][ T4938] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 45.560887][ T4938] BTRFS info (device loop0): using free space tree [ 45.561964][ T4938] BTRFS info (device loop0): has skinny extents [ 45.571021][ T4938] BTRFS info (device loop0): enabling ssd optimizations [ 45.574389][ T4938] FAULT_INJECTION: forcing a failure. [ 45.574389][ T4938] name failslab, interval 1, probability 0, space 0, times 0 [ 45.576725][ T4938] CPU: 1 PID: 4938 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.578267][ T4938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.580109][ T4938] Call trace: [ 45.580697][ T4938] dump_backtrace+0x0/0x458 [ 45.581541][ T4938] show_stack+0x2c/0x3c [ 45.582294][ T4938] __dump_stack+0x30/0x40 [ 45.583024][ T4938] dump_stack_lvl+0xf4/0x15c [ 45.583805][ T4938] dump_stack+0x1c/0x5c [ 45.584521][ T4938] should_fail+0x3c8/0x520 [ 45.585254][ T4938] __should_failslab+0xbc/0x10c [ 45.586069][ T4938] should_failslab+0x10/0x28 [ 45.586841][ T4938] slab_pre_alloc_hook+0x64/0xe8 [ 45.587665][ T4938] kmem_cache_alloc+0x94/0x3d8 [ 45.588473][ T4938] btrfs_alloc_path+0x5c/0x68 [ 45.589279][ T4938] __btrfs_run_delayed_items+0x88/0x478 [ 45.590170][ T4938] btrfs_run_delayed_items+0x24/0x34 [ 45.591051][ T4938] create_pending_snapshot+0x7a0/0x2420 [ 45.591955][ T4938] create_pending_snapshots+0x154/0x19c [ 45.592845][ T4938] btrfs_commit_transaction+0xe1c/0x30ac [ 45.593744][ T4938] create_snapshot+0x39c/0x69c [ 45.594562][ T4938] btrfs_mksubvol+0x510/0x658 [ 45.595348][ T4938] btrfs_mksnapshot+0xc8/0x168 [ 45.596150][ T4938] __btrfs_ioctl_snap_create+0x39c/0x488 [ 45.597162][ T4938] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 45.598111][ T4938] btrfs_ioctl+0x7f0/0xa8c [ 45.598844][ T4938] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.599653][ T4938] invoke_syscall+0x98/0x28c [ 45.600428][ T4938] el0_svc_common+0x13c/0x258 [ 45.601195][ T4938] do_el0_svc+0x5c/0x140 [ 45.601913][ T4938] el0_svc+0x78/0x1d0 [ 45.602606][ T4938] el0t_64_sync_handler+0xcc/0xe4 [ 45.603464][ T4938] el0t_64_sync+0x1a0/0x1a4 [ 45.604512][ T4938] ------------[ cut here ]------------ [ 45.605637][ T4938] WARNING: CPU: 1 PID: 4938 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 45.607531][ T4938] Modules linked in: [ 45.608248][ T4938] CPU: 1 PID: 4938 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.610083][ T4938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.611988][ T4938] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.613459][ T4938] pc : create_pending_snapshot+0x15f8/0x2420 [ 45.614688][ T4938] lr : create_pending_snapshot+0x15f8/0x2420 [ 45.615836][ T4938] sp : ffff800021217520 [ 45.616704][ T4938] x29: ffff800021217740 x28: ffff0000d1a4ea50 x27: ffff700004242ec4 [ 45.618306][ T4938] x26: ffff0000cf597600 x25: ffff0000cf5976a8 x24: dfff800000000000 [ 45.619911][ T4938] x23: ffff0000e240ed38 x22: ffff0000de96ef40 x21: 1fffe00019eb2ec6 [ 45.621500][ T4938] x20: ffff0000de96ef20 x19: 00000000fffffff4 x18: 0000000000000000 [ 45.623059][ T4938] x17: 0000000000000000 x16: ffff8000082c6844 x15: 0000000000000000 [ 45.624654][ T4938] x14: 0000000000000001 x13: 1ffff00004242dc4 x12: 0000000000000000 [ 45.626213][ T4938] x11: ff80800008300a7c x10: 0000000000000000 x9 : fde80326b422e700 [ 45.627693][ T4938] x8 : fde80326b422e700 x7 : 0000000000000001 x6 : 0000000000000001 [ 45.629283][ T4938] x5 : ffff800021216e38 x4 : ffff80001448f520 x3 : ffff8000083083a4 [ 45.630810][ T4938] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 45.632320][ T4938] Call trace: [ 45.632884][ T4938] create_pending_snapshot+0x15f8/0x2420 [ 45.633877][ T4938] create_pending_snapshots+0x154/0x19c [ 45.634900][ T4938] btrfs_commit_transaction+0xe1c/0x30ac [ 45.635932][ T4938] create_snapshot+0x39c/0x69c [ 45.636758][ T4938] btrfs_mksubvol+0x510/0x658 [ 45.637554][ T4938] btrfs_mksnapshot+0xc8/0x168 [ 45.638374][ T4938] __btrfs_ioctl_snap_create+0x39c/0x488 [ 45.639332][ T4938] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 45.640304][ T4938] btrfs_ioctl+0x7f0/0xa8c [ 45.641112][ T4938] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.641972][ T4938] invoke_syscall+0x98/0x28c [ 45.642734][ T4938] el0_svc_common+0x13c/0x258 [ 45.643483][ T4938] do_el0_svc+0x5c/0x140 [ 45.644223][ T4938] el0_svc+0x78/0x1d0 [ 45.644919][ T4938] el0t_64_sync_handler+0xcc/0xe4 [ 45.645818][ T4938] el0t_64_sync+0x1a0/0x1a4 [ 45.646595][ T4938] irq event stamp: 79256 [ 45.647328][ T4938] hardirqs last enabled at (79255): [] __up_console_sem+0xb4/0xfc [ 45.648983][ T4938] hardirqs last disabled at (79256): [] el1_dbg+0x24/0x80 [ 45.650503][ T4938] softirqs last enabled at (79236): [] handle_softirqs+0xa70/0xc14 [ 45.652200][ T4938] softirqs last disabled at (79193): [] __irq_exit_rcu+0x240/0x434 [ 45.653853][ T4938] ---[ end trace c2c7cee6bf98bba0 ]--- [ 45.654957][ T4938] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 45.656814][ T4938] BTRFS info (device loop0): forced readonly [ 45.658017][ T4938] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 45.659638][ T4938] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 45.850921][ T4959] loop0: detected capacity change from 0 to 32768 [ 45.854817][ T4959] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4959) [ 45.860190][ T4959] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 45.861823][ T4959] BTRFS info (device loop0): using free space tree [ 45.863097][ T4959] BTRFS info (device loop0): has skinny extents [ 45.871083][ T4959] BTRFS info (device loop0): enabling ssd optimizations [ 45.874579][ T4959] FAULT_INJECTION: forcing a failure. [ 45.874579][ T4959] name failslab, interval 1, probability 0, space 0, times 0 [ 45.876757][ T4959] CPU: 0 PID: 4959 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.878226][ T4959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.880002][ T4959] Call trace: [ 45.880560][ T4959] dump_backtrace+0x0/0x458 [ 45.881346][ T4959] show_stack+0x2c/0x3c [ 45.882021][ T4959] __dump_stack+0x30/0x40 [ 45.882821][ T4959] dump_stack_lvl+0xf4/0x15c [ 45.883686][ T4959] dump_stack+0x1c/0x5c [ 45.884491][ T4959] should_fail+0x3c8/0x520 [ 45.885282][ T4959] __should_failslab+0xbc/0x10c [ 45.886177][ T4959] should_failslab+0x10/0x28 [ 45.886996][ T4959] slab_pre_alloc_hook+0x64/0xe8 [ 45.887871][ T4959] kmem_cache_alloc+0x94/0x3d8 [ 45.888689][ T4959] btrfs_alloc_path+0x5c/0x68 [ 45.889506][ T4959] __btrfs_run_delayed_items+0x88/0x478 [ 45.890450][ T4959] btrfs_run_delayed_items+0x24/0x34 [ 45.891351][ T4959] create_pending_snapshot+0x7a0/0x2420 [ 45.892319][ T4959] create_pending_snapshots+0x154/0x19c [ 45.893312][ T4959] btrfs_commit_transaction+0xe1c/0x30ac [ 45.894248][ T4959] create_snapshot+0x39c/0x69c [ 45.895076][ T4959] btrfs_mksubvol+0x510/0x658 [ 45.895896][ T4959] btrfs_mksnapshot+0xc8/0x168 [ 45.896701][ T4959] __btrfs_ioctl_snap_create+0x39c/0x488 [ 45.897694][ T4959] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 45.898698][ T4959] btrfs_ioctl+0x7f0/0xa8c [ 45.899443][ T4959] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.900271][ T4959] invoke_syscall+0x98/0x28c [ 45.901058][ T4959] el0_svc_common+0x13c/0x258 [ 45.901858][ T4959] do_el0_svc+0x5c/0x140 [ 45.902588][ T4959] el0_svc+0x78/0x1d0 [ 45.903279][ T4959] el0t_64_sync_handler+0xcc/0xe4 [ 45.904156][ T4959] el0t_64_sync+0x1a0/0x1a4 [ 45.905990][ T4959] ------------[ cut here ]------------ [ 45.907164][ T4959] WARNING: CPU: 0 PID: 4959 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 45.909050][ T4959] Modules linked in: [ 45.909752][ T4959] CPU: 0 PID: 4959 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 45.911375][ T4959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 45.913123][ T4959] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.914506][ T4959] pc : create_pending_snapshot+0x15f8/0x2420 [ 45.915665][ T4959] lr : create_pending_snapshot+0x15f8/0x2420 [ 45.916734][ T4959] sp : ffff8000213c7520 [ 45.917473][ T4959] x29: ffff8000213c7740 x28: ffff0000d9ef1c60 x27: ffff700004278ec4 [ 45.918948][ T4959] x26: ffff0000cee12400 x25: ffff0000cee124a8 x24: dfff800000000000 [ 45.920351][ T4959] x23: ffff0000dd0b98f8 x22: ffff0000d2141650 x21: 1fffe00019dc2486 [ 45.921766][ T4959] x20: ffff0000d2141630 x19: 00000000fffffff4 x18: 0000000000000000 [ 45.923256][ T4959] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 45.924677][ T4959] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 45.926246][ T4959] x11: ff80800008300a7c x10: 0000000000000000 x9 : 0911d218715e7c00 [ 45.927717][ T4959] x8 : 0911d218715e7c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 45.929129][ T4959] x5 : ffff8000213c6e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 45.930511][ T4959] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 45.931938][ T4959] Call trace: [ 45.932504][ T4959] create_pending_snapshot+0x15f8/0x2420 [ 45.933490][ T4959] create_pending_snapshots+0x154/0x19c [ 45.934462][ T4959] btrfs_commit_transaction+0xe1c/0x30ac [ 45.935457][ T4959] create_snapshot+0x39c/0x69c [ 45.936353][ T4959] btrfs_mksubvol+0x510/0x658 [ 45.937234][ T4959] btrfs_mksnapshot+0xc8/0x168 [ 45.938129][ T4959] __btrfs_ioctl_snap_create+0x39c/0x488 [ 45.939170][ T4959] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 45.940226][ T4959] btrfs_ioctl+0x7f0/0xa8c [ 45.941024][ T4959] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.941979][ T4959] invoke_syscall+0x98/0x28c [ 45.942862][ T4959] el0_svc_common+0x13c/0x258 [ 45.943772][ T4959] do_el0_svc+0x5c/0x140 [ 45.944520][ T4959] el0_svc+0x78/0x1d0 [ 45.945224][ T4959] el0t_64_sync_handler+0xcc/0xe4 [ 45.946145][ T4959] el0t_64_sync+0x1a0/0x1a4 [ 45.946933][ T4959] irq event stamp: 79334 [ 45.947683][ T4959] hardirqs last enabled at (79333): [] __up_console_sem+0xb4/0xfc [ 45.949501][ T4959] hardirqs last disabled at (79334): [] el1_dbg+0x24/0x80 [ 45.951081][ T4959] softirqs last enabled at (79308): [] handle_softirqs+0xa70/0xc14 [ 45.952787][ T4959] softirqs last disabled at (79277): [] __irq_exit_rcu+0x240/0x434 [ 45.954400][ T4959] ---[ end trace c2c7cee6bf98bba1 ]--- [ 45.956418][ T4959] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 45.958068][ T4959] BTRFS info (device loop0): forced readonly [ 45.959186][ T4959] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 45.960500][ T4959] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 46.142375][ T4980] loop0: detected capacity change from 0 to 32768 [ 46.144948][ T4980] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4980) [ 46.149267][ T4980] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 46.151113][ T4980] BTRFS info (device loop0): using free space tree [ 46.152532][ T4980] BTRFS info (device loop0): has skinny extents [ 46.160263][ T4980] BTRFS info (device loop0): enabling ssd optimizations [ 46.163338][ T4980] FAULT_INJECTION: forcing a failure. [ 46.163338][ T4980] name failslab, interval 1, probability 0, space 0, times 0 [ 46.165690][ T4980] CPU: 1 PID: 4980 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.167328][ T4980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.169220][ T4980] Call trace: [ 46.169819][ T4980] dump_backtrace+0x0/0x458 [ 46.170672][ T4980] show_stack+0x2c/0x3c [ 46.171456][ T4980] __dump_stack+0x30/0x40 [ 46.172273][ T4980] dump_stack_lvl+0xf4/0x15c [ 46.173154][ T4980] dump_stack+0x1c/0x5c [ 46.173884][ T4980] should_fail+0x3c8/0x520 [ 46.174625][ T4980] __should_failslab+0xbc/0x10c [ 46.175473][ T4980] should_failslab+0x10/0x28 [ 46.176300][ T4980] slab_pre_alloc_hook+0x64/0xe8 [ 46.177151][ T4980] kmem_cache_alloc+0x94/0x3d8 [ 46.177976][ T4980] btrfs_alloc_path+0x5c/0x68 [ 46.178784][ T4980] __btrfs_run_delayed_items+0x88/0x478 [ 46.179722][ T4980] btrfs_run_delayed_items+0x24/0x34 [ 46.180645][ T4980] create_pending_snapshot+0x7a0/0x2420 [ 46.181600][ T4980] create_pending_snapshots+0x154/0x19c [ 46.182555][ T4980] btrfs_commit_transaction+0xe1c/0x30ac [ 46.183536][ T4980] create_snapshot+0x39c/0x69c [ 46.184337][ T4980] btrfs_mksubvol+0x510/0x658 [ 46.185126][ T4980] btrfs_mksnapshot+0xc8/0x168 [ 46.185943][ T4980] __btrfs_ioctl_snap_create+0x39c/0x488 [ 46.186891][ T4980] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 46.187852][ T4980] btrfs_ioctl+0x7f0/0xa8c [ 46.188593][ T4980] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.189435][ T4980] invoke_syscall+0x98/0x28c [ 46.190206][ T4980] el0_svc_common+0x13c/0x258 [ 46.190981][ T4980] do_el0_svc+0x5c/0x140 [ 46.191727][ T4980] el0_svc+0x78/0x1d0 [ 46.192442][ T4980] el0t_64_sync_handler+0xcc/0xe4 [ 46.193326][ T4980] el0t_64_sync+0x1a0/0x1a4 [ 46.194945][ T4980] ------------[ cut here ]------------ [ 46.196026][ T4980] WARNING: CPU: 1 PID: 4980 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 46.197999][ T4980] Modules linked in: [ 46.198809][ T4980] CPU: 1 PID: 4980 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.200671][ T4980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.202519][ T4980] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.203921][ T4980] pc : create_pending_snapshot+0x15f8/0x2420 [ 46.204967][ T4980] lr : create_pending_snapshot+0x15f8/0x2420 [ 46.206016][ T4980] sp : ffff800021557520 [ 46.206749][ T4980] x29: ffff800021557740 x28: ffff0000d09b12c0 x27: ffff7000042aaec4 [ 46.208228][ T4980] x26: ffff0000cf9aa600 x25: ffff0000cf9aa6a8 x24: dfff800000000000 [ 46.209928][ T4980] x23: ffff0000db8c25e0 x22: ffff0000de96e0d0 x21: 1fffe00019f354c6 [ 46.211561][ T4980] x20: ffff0000de96e0b0 x19: 00000000fffffff4 x18: 0000000000000000 [ 46.213168][ T4980] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 46.214699][ T4980] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 46.216264][ T4980] x11: ff80800008300a7c x10: 0000000000000000 x9 : 9e4e331b2e38ff00 [ 46.217750][ T4980] x8 : 9e4e331b2e38ff00 x7 : 0000000000000001 x6 : 0000000000000001 [ 46.219187][ T4980] x5 : ffff800021556e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 46.220636][ T4980] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 46.222086][ T4980] Call trace: [ 46.222675][ T4980] create_pending_snapshot+0x15f8/0x2420 [ 46.223838][ T4980] create_pending_snapshots+0x154/0x19c [ 46.224954][ T4980] btrfs_commit_transaction+0xe1c/0x30ac [ 46.226082][ T4980] create_snapshot+0x39c/0x69c [ 46.227002][ T4980] btrfs_mksubvol+0x510/0x658 [ 46.227878][ T4980] btrfs_mksnapshot+0xc8/0x168 [ 46.228736][ T4980] __btrfs_ioctl_snap_create+0x39c/0x488 [ 46.229737][ T4980] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 46.230785][ T4980] btrfs_ioctl+0x7f0/0xa8c [ 46.231584][ T4980] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.232435][ T4980] invoke_syscall+0x98/0x28c [ 46.233244][ T4980] el0_svc_common+0x13c/0x258 [ 46.234053][ T4980] do_el0_svc+0x5c/0x140 [ 46.234786][ T4980] el0_svc+0x78/0x1d0 [ 46.235543][ T4980] el0t_64_sync_handler+0xcc/0xe4 [ 46.236426][ T4980] el0t_64_sync+0x1a0/0x1a4 [ 46.237172][ T4980] irq event stamp: 78816 [ 46.237869][ T4980] hardirqs last enabled at (78815): [] __up_console_sem+0xb4/0xfc [ 46.239475][ T4980] hardirqs last disabled at (78816): [] el1_dbg+0x24/0x80 [ 46.240984][ T4980] softirqs last enabled at (78796): [] handle_softirqs+0xa70/0xc14 [ 46.242668][ T4980] softirqs last disabled at (78743): [] __irq_exit_rcu+0x240/0x434 [ 46.244364][ T4980] ---[ end trace c2c7cee6bf98bba2 ]--- [ 46.245983][ T4980] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 46.248418][ T4980] BTRFS info (device loop0): forced readonly [ 46.249636][ T4980] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 46.251251][ T4980] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 46.417371][ T5001] loop0: detected capacity change from 0 to 32768 [ 46.420004][ T5001] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5001) [ 46.423712][ T5001] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 46.425530][ T5001] BTRFS info (device loop0): using free space tree [ 46.426720][ T5001] BTRFS info (device loop0): has skinny extents [ 46.437629][ T5001] BTRFS info (device loop0): enabling ssd optimizations [ 46.440223][ T5001] FAULT_INJECTION: forcing a failure. [ 46.440223][ T5001] name failslab, interval 1, probability 0, space 0, times 0 [ 46.443294][ T5001] CPU: 0 PID: 5001 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.444786][ T5001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.446581][ T5001] Call trace: [ 46.447157][ T5001] dump_backtrace+0x0/0x458 [ 46.448102][ T5001] show_stack+0x2c/0x3c [ 46.448862][ T5001] __dump_stack+0x30/0x40 [ 46.449640][ T5001] dump_stack_lvl+0xf4/0x15c [ 46.450465][ T5001] dump_stack+0x1c/0x5c [ 46.451333][ T5001] should_fail+0x3c8/0x520 [ 46.452260][ T5001] __should_failslab+0xbc/0x10c [ 46.453228][ T5001] should_failslab+0x10/0x28 [ 46.454074][ T5001] slab_pre_alloc_hook+0x64/0xe8 [ 46.454998][ T5001] kmem_cache_alloc+0x94/0x3d8 [ 46.455898][ T5001] btrfs_alloc_path+0x5c/0x68 [ 46.456774][ T5001] __btrfs_run_delayed_items+0x88/0x478 [ 46.457905][ T5001] btrfs_run_delayed_items+0x24/0x34 [ 46.458907][ T5001] create_pending_snapshot+0x7a0/0x2420 [ 46.459915][ T5001] create_pending_snapshots+0x154/0x19c [ 46.460864][ T5001] btrfs_commit_transaction+0xe1c/0x30ac [ 46.461845][ T5001] create_snapshot+0x39c/0x69c [ 46.462665][ T5001] btrfs_mksubvol+0x510/0x658 [ 46.463513][ T5001] btrfs_mksnapshot+0xc8/0x168 [ 46.464369][ T5001] __btrfs_ioctl_snap_create+0x39c/0x488 [ 46.465432][ T5001] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 46.466479][ T5001] btrfs_ioctl+0x7f0/0xa8c [ 46.467304][ T5001] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.468178][ T5001] invoke_syscall+0x98/0x28c [ 46.468997][ T5001] el0_svc_common+0x13c/0x258 [ 46.469843][ T5001] do_el0_svc+0x5c/0x140 [ 46.470594][ T5001] el0_svc+0x78/0x1d0 [ 46.471274][ T5001] el0t_64_sync_handler+0xcc/0xe4 [ 46.472160][ T5001] el0t_64_sync+0x1a0/0x1a4 [ 46.473886][ T5001] ------------[ cut here ]------------ [ 46.474892][ T5001] WARNING: CPU: 0 PID: 5001 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 46.476743][ T5001] Modules linked in: [ 46.477463][ T5001] CPU: 0 PID: 5001 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.479084][ T5001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.480893][ T5001] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.482222][ T5001] pc : create_pending_snapshot+0x15f8/0x2420 [ 46.483261][ T5001] lr : create_pending_snapshot+0x15f8/0x2420 [ 46.484319][ T5001] sp : ffff800021557520 [ 46.485052][ T5001] x29: ffff800021557740 x28: ffff0000caf56580 x27: ffff7000042aaec4 [ 46.486480][ T5001] x26: ffff0000c1c53000 x25: ffff0000c1c530a8 x24: dfff800000000000 [ 46.487905][ T5001] x23: ffff0000c56b6178 x22: ffff0000d2141020 x21: 1fffe0001838a606 [ 46.489260][ T5001] x20: ffff0000d2141000 x19: 00000000fffffff4 x18: 0000000000000000 [ 46.490636][ T5001] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 46.492064][ T5001] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 46.493506][ T5001] x11: ff80800008300a7c x10: 0000000000000000 x9 : 9c320eadbdf8d200 [ 46.494850][ T5001] x8 : 9c320eadbdf8d200 x7 : 0000000000000001 x6 : 0000000000000001 [ 46.496259][ T5001] x5 : ffff800021556e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 46.497692][ T5001] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 46.499140][ T5001] Call trace: [ 46.499724][ T5001] create_pending_snapshot+0x15f8/0x2420 [ 46.500794][ T5001] create_pending_snapshots+0x154/0x19c [ 46.501775][ T5001] btrfs_commit_transaction+0xe1c/0x30ac [ 46.502753][ T5001] create_snapshot+0x39c/0x69c [ 46.503585][ T5001] btrfs_mksubvol+0x510/0x658 [ 46.504377][ T5001] btrfs_mksnapshot+0xc8/0x168 [ 46.505323][ T5001] __btrfs_ioctl_snap_create+0x39c/0x488 [ 46.506332][ T5001] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 46.507377][ T5001] btrfs_ioctl+0x7f0/0xa8c [ 46.508189][ T5001] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.509224][ T5001] invoke_syscall+0x98/0x28c [ 46.510043][ T5001] el0_svc_common+0x13c/0x258 [ 46.510865][ T5001] do_el0_svc+0x5c/0x140 [ 46.511603][ T5001] el0_svc+0x78/0x1d0 [ 46.512312][ T5001] el0t_64_sync_handler+0xcc/0xe4 [ 46.513207][ T5001] el0t_64_sync+0x1a0/0x1a4 [ 46.514004][ T5001] irq event stamp: 78374 [ 46.514765][ T5001] hardirqs last enabled at (78373): [] __up_console_sem+0xb4/0xfc [ 46.516465][ T5001] hardirqs last disabled at (78374): [] el1_dbg+0x24/0x80 [ 46.518167][ T5001] softirqs last enabled at (78354): [] handle_softirqs+0xa70/0xc14 [ 46.519861][ T5001] softirqs last disabled at (78299): [] __irq_exit_rcu+0x240/0x434 [ 46.521565][ T5001] ---[ end trace c2c7cee6bf98bba3 ]--- [ 46.523608][ T5001] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 46.525380][ T5001] BTRFS info (device loop0): forced readonly [ 46.526635][ T5001] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 46.528327][ T5001] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 46.717813][ T5022] loop0: detected capacity change from 0 to 32768 [ 46.720227][ T5022] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5022) [ 46.724204][ T5022] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 46.725768][ T5022] BTRFS info (device loop0): using free space tree [ 46.726942][ T5022] BTRFS info (device loop0): has skinny extents [ 46.737508][ T5022] BTRFS info (device loop0): enabling ssd optimizations [ 46.740498][ T5022] FAULT_INJECTION: forcing a failure. [ 46.740498][ T5022] name failslab, interval 1, probability 0, space 0, times 0 [ 46.743351][ T5022] CPU: 1 PID: 5022 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.744834][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.746495][ T5022] Call trace: [ 46.747040][ T5022] dump_backtrace+0x0/0x458 [ 46.747833][ T5022] show_stack+0x2c/0x3c [ 46.748556][ T5022] __dump_stack+0x30/0x40 [ 46.749322][ T5022] dump_stack_lvl+0xf4/0x15c [ 46.750121][ T5022] dump_stack+0x1c/0x5c [ 46.750838][ T5022] should_fail+0x3c8/0x520 [ 46.751616][ T5022] __should_failslab+0xbc/0x10c [ 46.752494][ T5022] should_failslab+0x10/0x28 [ 46.753328][ T5022] slab_pre_alloc_hook+0x64/0xe8 [ 46.754191][ T5022] kmem_cache_alloc+0x94/0x3d8 [ 46.755050][ T5022] btrfs_alloc_path+0x5c/0x68 [ 46.755860][ T5022] __btrfs_run_delayed_items+0x88/0x478 [ 46.756845][ T5022] btrfs_run_delayed_items+0x24/0x34 [ 46.757760][ T5022] create_pending_snapshot+0x7a0/0x2420 [ 46.758738][ T5022] create_pending_snapshots+0x154/0x19c [ 46.759667][ T5022] btrfs_commit_transaction+0xe1c/0x30ac [ 46.760607][ T5022] create_snapshot+0x39c/0x69c [ 46.761448][ T5022] btrfs_mksubvol+0x510/0x658 [ 46.762286][ T5022] btrfs_mksnapshot+0xc8/0x168 [ 46.763109][ T5022] __btrfs_ioctl_snap_create+0x39c/0x488 [ 46.764076][ T5022] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 46.765025][ T5022] btrfs_ioctl+0x7f0/0xa8c [ 46.765924][ T5022] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.766824][ T5022] invoke_syscall+0x98/0x28c [ 46.767596][ T5022] el0_svc_common+0x13c/0x258 [ 46.768429][ T5022] do_el0_svc+0x5c/0x140 [ 46.769216][ T5022] el0_svc+0x78/0x1d0 [ 46.769953][ T5022] el0t_64_sync_handler+0xcc/0xe4 [ 46.770844][ T5022] el0t_64_sync+0x1a0/0x1a4 [ 46.773869][ T5022] ------------[ cut here ]------------ [ 46.774972][ T5022] WARNING: CPU: 1 PID: 5022 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 46.776818][ T5022] Modules linked in: [ 46.777516][ T5022] CPU: 1 PID: 5022 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 46.779129][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 46.780833][ T5022] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 46.782107][ T5022] pc : create_pending_snapshot+0x15f8/0x2420 [ 46.783117][ T5022] lr : create_pending_snapshot+0x15f8/0x2420 [ 46.784127][ T5022] sp : ffff8000217d7520 [ 46.784865][ T5022] x29: ffff8000217d7740 x28: ffff0000db053210 x27: ffff7000042faec4 [ 46.786289][ T5022] x26: ffff0000cf575000 x25: ffff0000cf5750a8 x24: dfff800000000000 [ 46.787679][ T5022] x23: ffff0000c058a178 x22: ffff0000de96e180 x21: 1fffe00019eaea06 [ 46.789060][ T5022] x20: ffff0000de96e160 x19: 00000000fffffff4 x18: 0000000000000000 [ 46.790471][ T5022] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 46.791905][ T5022] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 46.793300][ T5022] x11: ff80800008300a7c x10: 0000000000000000 x9 : ff0e09b263f49300 [ 46.794658][ T5022] x8 : ff0e09b263f49300 x7 : 0000000000000001 x6 : 0000000000000001 [ 46.796073][ T5022] x5 : ffff8000217d6e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 46.797492][ T5022] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 46.798934][ T5022] Call trace: [ 46.799507][ T5022] create_pending_snapshot+0x15f8/0x2420 [ 46.800498][ T5022] create_pending_snapshots+0x154/0x19c [ 46.801433][ T5022] btrfs_commit_transaction+0xe1c/0x30ac [ 46.802375][ T5022] create_snapshot+0x39c/0x69c [ 46.803202][ T5022] btrfs_mksubvol+0x510/0x658 [ 46.804007][ T5022] btrfs_mksnapshot+0xc8/0x168 [ 46.804818][ T5022] __btrfs_ioctl_snap_create+0x39c/0x488 [ 46.805812][ T5022] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 46.806820][ T5022] btrfs_ioctl+0x7f0/0xa8c [ 46.807628][ T5022] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.808481][ T5022] invoke_syscall+0x98/0x28c [ 46.809273][ T5022] el0_svc_common+0x13c/0x258 [ 46.810073][ T5022] do_el0_svc+0x5c/0x140 [ 46.810810][ T5022] el0_svc+0x78/0x1d0 [ 46.811501][ T5022] el0t_64_sync_handler+0xcc/0xe4 [ 46.812371][ T5022] el0t_64_sync+0x1a0/0x1a4 [ 46.813184][ T5022] irq event stamp: 78422 [ 46.813921][ T5022] hardirqs last enabled at (78421): [] __up_console_sem+0xb4/0xfc [ 46.815551][ T5022] hardirqs last disabled at (78422): [] el1_dbg+0x24/0x80 [ 46.817017][ T5022] softirqs last enabled at (78402): [] handle_softirqs+0xa70/0xc14 [ 46.818596][ T5022] softirqs last disabled at (78349): [] __irq_exit_rcu+0x240/0x434 [ 46.820220][ T5022] ---[ end trace c2c7cee6bf98bba4 ]--- [ 46.822135][ T21] Bluetooth: hci0: command 0x0419 tx timeout [ 46.822342][ T5022] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 46.825010][ T5022] BTRFS info (device loop0): forced readonly [ 46.826079][ T5022] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 46.827492][ T5022] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 47.007920][ T5043] loop0: detected capacity change from 0 to 32768 [ 47.010359][ T5043] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5043) [ 47.013859][ T5043] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 47.015660][ T5043] BTRFS info (device loop0): using free space tree [ 47.016830][ T5043] BTRFS info (device loop0): has skinny extents [ 47.026253][ T5043] BTRFS info (device loop0): enabling ssd optimizations [ 47.029076][ T5043] FAULT_INJECTION: forcing a failure. [ 47.029076][ T5043] name failslab, interval 1, probability 0, space 0, times 0 [ 47.031332][ T5043] CPU: 1 PID: 5043 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.032853][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.034656][ T5043] Call trace: [ 47.035230][ T5043] dump_backtrace+0x0/0x458 [ 47.036041][ T5043] show_stack+0x2c/0x3c [ 47.036758][ T5043] __dump_stack+0x30/0x40 [ 47.037526][ T5043] dump_stack_lvl+0xf4/0x15c [ 47.038303][ T5043] dump_stack+0x1c/0x5c [ 47.039019][ T5043] should_fail+0x3c8/0x520 [ 47.039818][ T5043] __should_failslab+0xbc/0x10c [ 47.040659][ T5043] should_failslab+0x10/0x28 [ 47.041459][ T5043] slab_pre_alloc_hook+0x64/0xe8 [ 47.042311][ T5043] kmem_cache_alloc+0x94/0x3d8 [ 47.043154][ T5043] btrfs_alloc_path+0x5c/0x68 [ 47.043970][ T5043] __btrfs_run_delayed_items+0x88/0x478 [ 47.044931][ T5043] btrfs_run_delayed_items+0x24/0x34 [ 47.045864][ T5043] create_pending_snapshot+0x7a0/0x2420 [ 47.046808][ T5043] create_pending_snapshots+0x154/0x19c [ 47.047745][ T5043] btrfs_commit_transaction+0xe1c/0x30ac [ 47.048704][ T5043] create_snapshot+0x39c/0x69c [ 47.049520][ T5043] btrfs_mksubvol+0x510/0x658 [ 47.050361][ T5043] btrfs_mksnapshot+0xc8/0x168 [ 47.051172][ T5043] __btrfs_ioctl_snap_create+0x39c/0x488 [ 47.052151][ T5043] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 47.053128][ T5043] btrfs_ioctl+0x7f0/0xa8c [ 47.053908][ T5043] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.054788][ T5043] invoke_syscall+0x98/0x28c [ 47.055599][ T5043] el0_svc_common+0x13c/0x258 [ 47.056394][ T5043] do_el0_svc+0x5c/0x140 [ 47.057133][ T5043] el0_svc+0x78/0x1d0 [ 47.057896][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 47.058784][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 47.062152][ T5043] ------------[ cut here ]------------ [ 47.063961][ T5043] WARNING: CPU: 1 PID: 5043 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 47.065837][ T5043] Modules linked in: [ 47.066648][ T5043] CPU: 1 PID: 5043 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.068358][ T5043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.070128][ T5043] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.071685][ T5043] pc : create_pending_snapshot+0x15f8/0x2420 [ 47.072758][ T5043] lr : create_pending_snapshot+0x15f8/0x2420 [ 47.073830][ T5043] sp : ffff800021907520 [ 47.074567][ T5043] x29: ffff800021907740 x28: ffff0000cad86840 x27: ffff700004320ec4 [ 47.076024][ T5043] x26: ffff0000cf9bf000 x25: ffff0000cf9bf0a8 x24: dfff800000000000 [ 47.077358][ T5043] x23: ffff0000e2451490 x22: ffff0000de96e020 x21: 1fffe00019f37e06 [ 47.078885][ T5043] x20: ffff0000de96e000 x19: 00000000fffffff4 x18: 0000000000000000 [ 47.080340][ T5043] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 47.081787][ T5043] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 47.083289][ T5043] x11: ff80800008300a7c x10: 0000000000000000 x9 : ffa0fe3db5318900 [ 47.084698][ T5043] x8 : ffa0fe3db5318900 x7 : 0000000000000001 x6 : 0000000000000001 [ 47.086048][ T5043] x5 : ffff800021906e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 47.087373][ T5043] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 47.088745][ T5043] Call trace: [ 47.089285][ T5043] create_pending_snapshot+0x15f8/0x2420 [ 47.090286][ T5043] create_pending_snapshots+0x154/0x19c [ 47.091209][ T5043] btrfs_commit_transaction+0xe1c/0x30ac [ 47.092215][ T5043] create_snapshot+0x39c/0x69c [ 47.093054][ T5043] btrfs_mksubvol+0x510/0x658 [ 47.093849][ T5043] btrfs_mksnapshot+0xc8/0x168 [ 47.094667][ T5043] __btrfs_ioctl_snap_create+0x39c/0x488 [ 47.095659][ T5043] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 47.096683][ T5043] btrfs_ioctl+0x7f0/0xa8c [ 47.097454][ T5043] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.098298][ T5043] invoke_syscall+0x98/0x28c [ 47.099245][ T5043] el0_svc_common+0x13c/0x258 [ 47.100110][ T5043] do_el0_svc+0x5c/0x140 [ 47.100905][ T5043] el0_svc+0x78/0x1d0 [ 47.101649][ T5043] el0t_64_sync_handler+0xcc/0xe4 [ 47.102550][ T5043] el0t_64_sync+0x1a0/0x1a4 [ 47.103316][ T5043] irq event stamp: 78524 [ 47.104031][ T5043] hardirqs last enabled at (78523): [] __up_console_sem+0xb4/0xfc [ 47.105690][ T5043] hardirqs last disabled at (78524): [] el1_dbg+0x24/0x80 [ 47.107188][ T5043] softirqs last enabled at (78512): [] handle_softirqs+0xa70/0xc14 [ 47.108896][ T5043] softirqs last disabled at (78457): [] __irq_exit_rcu+0x240/0x434 [ 47.110514][ T5043] ---[ end trace c2c7cee6bf98bba5 ]--- [ 47.113305][ T5043] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 47.114973][ T5043] BTRFS info (device loop0): forced readonly [ 47.116048][ T5043] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 47.117456][ T5043] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 47.324514][ T5064] loop0: detected capacity change from 0 to 32768 [ 47.327243][ T5064] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5064) [ 47.330783][ T5064] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 47.332746][ T5064] BTRFS info (device loop0): using free space tree [ 47.333932][ T5064] BTRFS info (device loop0): has skinny extents [ 47.341920][ T5064] BTRFS info (device loop0): enabling ssd optimizations [ 47.345524][ T5064] FAULT_INJECTION: forcing a failure. [ 47.345524][ T5064] name failslab, interval 1, probability 0, space 0, times 0 [ 47.347898][ T5064] CPU: 1 PID: 5064 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.349433][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.351109][ T5064] Call trace: [ 47.351703][ T5064] dump_backtrace+0x0/0x458 [ 47.352493][ T5064] show_stack+0x2c/0x3c [ 47.353235][ T5064] __dump_stack+0x30/0x40 [ 47.354085][ T5064] dump_stack_lvl+0xf4/0x15c [ 47.354894][ T5064] dump_stack+0x1c/0x5c [ 47.355601][ T5064] should_fail+0x3c8/0x520 [ 47.356365][ T5064] __should_failslab+0xbc/0x10c [ 47.357220][ T5064] should_failslab+0x10/0x28 [ 47.358059][ T5064] slab_pre_alloc_hook+0x64/0xe8 [ 47.358902][ T5064] kmem_cache_alloc+0x94/0x3d8 [ 47.359771][ T5064] btrfs_alloc_path+0x5c/0x68 [ 47.360631][ T5064] __btrfs_run_delayed_items+0x88/0x478 [ 47.361610][ T5064] btrfs_run_delayed_items+0x24/0x34 [ 47.362541][ T5064] create_pending_snapshot+0x7a0/0x2420 [ 47.363526][ T5064] create_pending_snapshots+0x154/0x19c [ 47.364480][ T5064] btrfs_commit_transaction+0xe1c/0x30ac [ 47.365467][ T5064] create_snapshot+0x39c/0x69c [ 47.366322][ T5064] btrfs_mksubvol+0x510/0x658 [ 47.367150][ T5064] btrfs_mksnapshot+0xc8/0x168 [ 47.367994][ T5064] __btrfs_ioctl_snap_create+0x39c/0x488 [ 47.368995][ T5064] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 47.369983][ T5064] btrfs_ioctl+0x7f0/0xa8c [ 47.370774][ T5064] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.371657][ T5064] invoke_syscall+0x98/0x28c [ 47.372463][ T5064] el0_svc_common+0x13c/0x258 [ 47.373287][ T5064] do_el0_svc+0x5c/0x140 [ 47.374000][ T5064] el0_svc+0x78/0x1d0 [ 47.374743][ T5064] el0t_64_sync_handler+0xcc/0xe4 [ 47.375620][ T5064] el0t_64_sync+0x1a0/0x1a4 [ 47.378263][ T5064] ------------[ cut here ]------------ [ 47.379340][ T5064] WARNING: CPU: 1 PID: 5064 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 47.381270][ T5064] Modules linked in: [ 47.382004][ T5064] CPU: 1 PID: 5064 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.383584][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.385394][ T5064] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.386741][ T5064] pc : create_pending_snapshot+0x15f8/0x2420 [ 47.387948][ T5064] lr : create_pending_snapshot+0x15f8/0x2420 [ 47.389024][ T5064] sp : ffff800021a27520 [ 47.389765][ T5064] x29: ffff800021a27740 x28: ffff0000c77792c0 x27: ffff700004344ec4 [ 47.391170][ T5064] x26: ffff0000cf5a2200 x25: ffff0000cf5a22a8 x24: dfff800000000000 [ 47.392611][ T5064] x23: ffff0000dd0b2000 x22: ffff0000de96e4f0 x21: 1fffe00019eb4446 [ 47.393999][ T5064] x20: ffff0000de96e4d0 x19: 00000000fffffff4 x18: 0000000000000000 [ 47.395379][ T5064] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 47.396713][ T5064] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 47.398091][ T5064] x11: ff80800008300a7c x10: 0000000000000000 x9 : 50cdaf6cac559400 [ 47.399436][ T5064] x8 : 50cdaf6cac559400 x7 : 0000000000000001 x6 : 0000000000000001 [ 47.400782][ T5064] x5 : ffff800021a26e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 47.402152][ T5064] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 47.403737][ T5064] Call trace: [ 47.404402][ T5064] create_pending_snapshot+0x15f8/0x2420 [ 47.405593][ T5064] create_pending_snapshots+0x154/0x19c [ 47.406588][ T5064] btrfs_commit_transaction+0xe1c/0x30ac [ 47.407630][ T5064] create_snapshot+0x39c/0x69c [ 47.408593][ T5064] btrfs_mksubvol+0x510/0x658 [ 47.409489][ T5064] btrfs_mksnapshot+0xc8/0x168 [ 47.410380][ T5064] __btrfs_ioctl_snap_create+0x39c/0x488 [ 47.411419][ T5064] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 47.412499][ T5064] btrfs_ioctl+0x7f0/0xa8c [ 47.413318][ T5064] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.414185][ T5064] invoke_syscall+0x98/0x28c [ 47.415009][ T5064] el0_svc_common+0x13c/0x258 [ 47.415851][ T5064] do_el0_svc+0x5c/0x140 [ 47.416722][ T5064] el0_svc+0x78/0x1d0 [ 47.417512][ T5064] el0t_64_sync_handler+0xcc/0xe4 [ 47.418492][ T5064] el0t_64_sync+0x1a0/0x1a4 [ 47.419345][ T5064] irq event stamp: 79332 [ 47.420145][ T5064] hardirqs last enabled at (79331): [] __up_console_sem+0xb4/0xfc [ 47.421862][ T5064] hardirqs last disabled at (79332): [] el1_dbg+0x24/0x80 [ 47.423392][ T5064] softirqs last enabled at (79312): [] handle_softirqs+0xa70/0xc14 [ 47.425038][ T5064] softirqs last disabled at (79299): [] __irq_exit_rcu+0x240/0x434 [ 47.426621][ T5064] ---[ end trace c2c7cee6bf98bba6 ]--- [ 47.428421][ T5064] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 47.430380][ T5064] BTRFS info (device loop0): forced readonly [ 47.431485][ T5064] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 47.433663][ T5064] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 47.600731][ T5085] loop0: detected capacity change from 0 to 32768 [ 47.603743][ T5085] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5085) [ 47.607599][ T5085] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 47.609318][ T5085] BTRFS info (device loop0): using free space tree [ 47.610574][ T5085] BTRFS info (device loop0): has skinny extents [ 47.618356][ T5085] BTRFS info (device loop0): enabling ssd optimizations [ 47.621321][ T5085] FAULT_INJECTION: forcing a failure. [ 47.621321][ T5085] name failslab, interval 1, probability 0, space 0, times 0 [ 47.624235][ T5085] CPU: 1 PID: 5085 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.625953][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.628037][ T5085] Call trace: [ 47.628689][ T5085] dump_backtrace+0x0/0x458 [ 47.629595][ T5085] show_stack+0x2c/0x3c [ 47.630425][ T5085] __dump_stack+0x30/0x40 [ 47.631206][ T5085] dump_stack_lvl+0xf4/0x15c [ 47.632040][ T5085] dump_stack+0x1c/0x5c [ 47.632789][ T5085] should_fail+0x3c8/0x520 [ 47.633585][ T5085] __should_failslab+0xbc/0x10c [ 47.634426][ T5085] should_failslab+0x10/0x28 [ 47.635239][ T5085] slab_pre_alloc_hook+0x64/0xe8 [ 47.636063][ T5085] kmem_cache_alloc+0x94/0x3d8 [ 47.636923][ T5085] btrfs_alloc_path+0x5c/0x68 [ 47.637781][ T5085] __btrfs_run_delayed_items+0x88/0x478 [ 47.638793][ T5085] btrfs_run_delayed_items+0x24/0x34 [ 47.639731][ T5085] btrfs_commit_transaction+0x948/0x30ac [ 47.640750][ T5085] create_snapshot+0x39c/0x69c [ 47.641634][ T5085] btrfs_mksubvol+0x510/0x658 [ 47.642447][ T5085] btrfs_mksnapshot+0xc8/0x168 [ 47.643266][ T5085] __btrfs_ioctl_snap_create+0x39c/0x488 [ 47.644270][ T5085] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 47.645236][ T5085] btrfs_ioctl+0x7f0/0xa8c [ 47.646114][ T5085] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.647050][ T5085] invoke_syscall+0x98/0x28c [ 47.647893][ T5085] el0_svc_common+0x13c/0x258 [ 47.648758][ T5085] do_el0_svc+0x5c/0x140 [ 47.649524][ T5085] el0_svc+0x78/0x1d0 [ 47.650285][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 47.651254][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 47.652895][ T5085] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 47.654419][ T5085] ------------[ cut here ]------------ [ 47.655416][ T5085] WARNING: CPU: 1 PID: 5085 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1e20/0x30ac [ 47.657234][ T5085] Modules linked in: [ 47.657965][ T5085] CPU: 1 PID: 5085 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.659557][ T5085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.661319][ T5085] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.662721][ T5085] pc : btrfs_commit_transaction+0x1e20/0x30ac [ 47.663784][ T5085] lr : btrfs_commit_transaction+0x1e20/0x30ac [ 47.664816][ T5085] sp : ffff8000213c7800 [ 47.665503][ T5085] x29: ffff8000213c7a40 x28: ffff0000de96e370 x27: dfff800000000000 [ 47.666975][ T5085] x26: ffff700004278f18 x25: ffff0000c7ed2ca8 x24: ffff0000d71299d0 [ 47.668362][ T5085] x23: 00000000fffffff4 x22: ffff0000cd076000 x21: ffff0000d7128000 [ 47.669786][ T5085] x20: 0000000000000000 x19: 1fffe00018fda595 x18: 0000000000000000 [ 47.671152][ T5085] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 47.672578][ T5085] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 47.673912][ T5085] x11: ff80800008300a7c x10: 0000000000000000 x9 : b2cb9bbcbfac1700 [ 47.675273][ T5085] x8 : b2cb9bbcbfac1700 x7 : 0000000000000001 x6 : 0000000000000001 [ 47.676598][ T5085] x5 : ffff8000213c7118 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 47.677986][ T5085] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 47.679362][ T5085] Call trace: [ 47.679929][ T5085] btrfs_commit_transaction+0x1e20/0x30ac [ 47.680871][ T5085] create_snapshot+0x39c/0x69c [ 47.681703][ T5085] btrfs_mksubvol+0x510/0x658 [ 47.682523][ T5085] btrfs_mksnapshot+0xc8/0x168 [ 47.683523][ T5085] __btrfs_ioctl_snap_create+0x39c/0x488 [ 47.684703][ T5085] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 47.685886][ T5085] btrfs_ioctl+0x7f0/0xa8c [ 47.686784][ T5085] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.687818][ T5085] invoke_syscall+0x98/0x28c [ 47.688745][ T5085] el0_svc_common+0x13c/0x258 [ 47.689703][ T5085] do_el0_svc+0x5c/0x140 [ 47.690567][ T5085] el0_svc+0x78/0x1d0 [ 47.691365][ T5085] el0t_64_sync_handler+0xcc/0xe4 [ 47.692307][ T5085] el0t_64_sync+0x1a0/0x1a4 [ 47.693176][ T5085] irq event stamp: 78658 [ 47.693971][ T5085] hardirqs last enabled at (78657): [] __up_console_sem+0xb4/0xfc [ 47.695729][ T5085] hardirqs last disabled at (78658): [] el1_dbg+0x24/0x80 [ 47.697351][ T5085] softirqs last enabled at (78624): [] handle_softirqs+0xa70/0xc14 [ 47.699092][ T5085] softirqs last disabled at (78611): [] __irq_exit_rcu+0x240/0x434 [ 47.700750][ T5085] ---[ end trace c2c7cee6bf98bba7 ]--- [ 47.702424][ T5085] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 47.703825][ T5085] BTRFS info (device loop0): forced readonly [ 47.880474][ T5106] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5106) [ 47.883786][ T5106] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 47.885524][ T5106] BTRFS info (device loop0): using free space tree [ 47.886796][ T5106] BTRFS info (device loop0): has skinny extents [ 47.894871][ T5106] BTRFS info (device loop0): enabling ssd optimizations [ 47.897820][ T5106] FAULT_INJECTION: forcing a failure. [ 47.897820][ T5106] name failslab, interval 1, probability 0, space 0, times 0 [ 47.900243][ T5106] CPU: 1 PID: 5106 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.901990][ T5106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.903891][ T5106] Call trace: [ 47.904480][ T5106] dump_backtrace+0x0/0x458 [ 47.905322][ T5106] show_stack+0x2c/0x3c [ 47.906038][ T5106] __dump_stack+0x30/0x40 [ 47.906769][ T5106] dump_stack_lvl+0xf4/0x15c [ 47.907553][ T5106] dump_stack+0x1c/0x5c [ 47.908261][ T5106] should_fail+0x3c8/0x520 [ 47.909033][ T5106] __should_failslab+0xbc/0x10c [ 47.909889][ T5106] should_failslab+0x10/0x28 [ 47.910693][ T5106] slab_pre_alloc_hook+0x64/0xe8 [ 47.911550][ T5106] kmem_cache_alloc+0x94/0x3d8 [ 47.912383][ T5106] btrfs_alloc_path+0x5c/0x68 [ 47.913211][ T5106] __btrfs_run_delayed_items+0x88/0x478 [ 47.914163][ T5106] btrfs_run_delayed_items+0x24/0x34 [ 47.915041][ T5106] btrfs_commit_transaction+0x7f8/0x30ac [ 47.915981][ T5106] create_snapshot+0x39c/0x69c [ 47.916787][ T5106] btrfs_mksubvol+0x510/0x658 [ 47.917572][ T5106] btrfs_mksnapshot+0xc8/0x168 [ 47.918411][ T5106] __btrfs_ioctl_snap_create+0x39c/0x488 [ 47.919413][ T5106] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 47.920447][ T5106] btrfs_ioctl+0x7f0/0xa8c [ 47.921220][ T5106] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.922047][ T5106] invoke_syscall+0x98/0x28c [ 47.922826][ T5106] el0_svc_common+0x13c/0x258 [ 47.923617][ T5106] do_el0_svc+0x5c/0x140 [ 47.924385][ T5106] el0_svc+0x78/0x1d0 [ 47.925049][ T5106] el0t_64_sync_handler+0xcc/0xe4 [ 47.925868][ T5106] el0t_64_sync+0x1a0/0x1a4 [ 47.927468][ T5106] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 47.928997][ T5106] ------------[ cut here ]------------ [ 47.930111][ T5106] WARNING: CPU: 1 PID: 5106 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1e20/0x30ac [ 47.932052][ T5106] Modules linked in: [ 47.932768][ T5106] CPU: 1 PID: 5106 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 47.934482][ T5106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 47.936378][ T5106] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.937917][ T5106] pc : btrfs_commit_transaction+0x1e20/0x30ac [ 47.938951][ T5106] lr : btrfs_commit_transaction+0x1e20/0x30ac [ 47.939990][ T5106] sp : ffff8000217e7800 [ 47.940702][ T5106] x29: ffff8000217e7a40 x28: ffff0000de96e2c0 x27: dfff800000000000 [ 47.942081][ T5106] x26: ffff7000042fcf18 x25: ffff0000c6b247e8 x24: ffff0000ca73d9d0 [ 47.943446][ T5106] x23: 00000000fffffff4 x22: ffff0000cd070000 x21: ffff0000ca73c000 [ 47.944880][ T5106] x20: 0000000000000000 x19: 1fffe00018d648fd x18: 0000000000000000 [ 47.946263][ T5106] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 47.947710][ T5106] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 47.949098][ T5106] x11: ff80800008300a7c x10: 0000000000000000 x9 : 25788d903ccbb100 [ 47.950437][ T5106] x8 : 25788d903ccbb100 x7 : 0000000000000001 x6 : 0000000000000001 [ 47.951858][ T5106] x5 : ffff8000217e7118 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 47.953218][ T5106] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 47.954633][ T5106] Call trace: [ 47.955206][ T5106] btrfs_commit_transaction+0x1e20/0x30ac [ 47.956249][ T5106] create_snapshot+0x39c/0x69c [ 47.957086][ T5106] btrfs_mksubvol+0x510/0x658 [ 47.957926][ T5106] btrfs_mksnapshot+0xc8/0x168 [ 47.958773][ T5106] __btrfs_ioctl_snap_create+0x39c/0x488 [ 47.959752][ T5106] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 47.960755][ T5106] btrfs_ioctl+0x7f0/0xa8c [ 47.961554][ T5106] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.962441][ T5106] invoke_syscall+0x98/0x28c [ 47.963228][ T5106] el0_svc_common+0x13c/0x258 [ 47.964101][ T5106] do_el0_svc+0x5c/0x140 [ 47.964800][ T5106] el0_svc+0x78/0x1d0 [ 47.965473][ T5106] el0t_64_sync_handler+0xcc/0xe4 [ 47.966327][ T5106] el0t_64_sync+0x1a0/0x1a4 [ 47.967088][ T5106] irq event stamp: 78556 [ 47.967812][ T5106] hardirqs last enabled at (78555): [] __up_console_sem+0xb4/0xfc [ 47.969468][ T5106] hardirqs last disabled at (78556): [] el1_dbg+0x24/0x80 [ 47.970973][ T5106] softirqs last enabled at (78522): [] handle_softirqs+0xa70/0xc14 [ 47.972588][ T5106] softirqs last disabled at (78503): [] __irq_exit_rcu+0x240/0x434 [ 47.974196][ T5106] ---[ end trace c2c7cee6bf98bba8 ]--- [ 47.975978][ T5106] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 47.977636][ T5106] BTRFS info (device loop0): forced readonly [ 48.143245][ T5127] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5127) [ 48.148257][ T5127] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 48.149933][ T5127] BTRFS info (device loop0): using free space tree [ 48.151091][ T5127] BTRFS info (device loop0): has skinny extents [ 48.165565][ T5127] BTRFS info (device loop0): enabling ssd optimizations [ 48.168745][ T5127] FAULT_INJECTION: forcing a failure. [ 48.168745][ T5127] name failslab, interval 1, probability 0, space 0, times 0 [ 48.171006][ T5127] CPU: 0 PID: 5127 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.172735][ T5127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.174563][ T5127] Call trace: [ 48.175140][ T5127] dump_backtrace+0x0/0x458 [ 48.176007][ T5127] show_stack+0x2c/0x3c [ 48.176804][ T5127] __dump_stack+0x30/0x40 [ 48.177617][ T5127] dump_stack_lvl+0xf4/0x15c [ 48.178478][ T5127] dump_stack+0x1c/0x5c [ 48.179258][ T5127] should_fail+0x3c8/0x520 [ 48.180084][ T5127] __should_failslab+0xbc/0x10c [ 48.180988][ T5127] should_failslab+0x10/0x28 [ 48.181839][ T5127] slab_pre_alloc_hook+0x64/0xe8 [ 48.182715][ T5127] kmem_cache_alloc+0x94/0x3d8 [ 48.183562][ T5127] btrfs_alloc_path+0x5c/0x68 [ 48.184396][ T5127] __btrfs_run_delayed_items+0x88/0x478 [ 48.185372][ T5127] btrfs_run_delayed_items+0x24/0x34 [ 48.186286][ T5127] create_pending_snapshot+0x7a0/0x2420 [ 48.187290][ T5127] create_pending_snapshots+0x154/0x19c [ 48.188268][ T5127] btrfs_commit_transaction+0xe1c/0x30ac [ 48.189253][ T5127] create_snapshot+0x39c/0x69c [ 48.190076][ T5127] btrfs_mksubvol+0x510/0x658 [ 48.190915][ T5127] btrfs_mksnapshot+0xc8/0x168 [ 48.191743][ T5127] __btrfs_ioctl_snap_create+0x39c/0x488 [ 48.192747][ T5127] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 48.193757][ T5127] btrfs_ioctl+0x7f0/0xa8c [ 48.194554][ T5127] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.195443][ T5127] invoke_syscall+0x98/0x28c [ 48.196275][ T5127] el0_svc_common+0x13c/0x258 [ 48.197085][ T5127] do_el0_svc+0x5c/0x140 [ 48.197812][ T5127] el0_svc+0x78/0x1d0 [ 48.198460][ T5127] el0t_64_sync_handler+0xcc/0xe4 [ 48.199313][ T5127] el0t_64_sync+0x1a0/0x1a4 [ 48.202114][ T5127] ------------[ cut here ]------------ [ 48.203321][ T5127] WARNING: CPU: 0 PID: 5127 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 48.205134][ T5127] Modules linked in: [ 48.205825][ T5127] CPU: 0 PID: 5127 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.207403][ T5127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.209120][ T5127] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.210459][ T5127] pc : create_pending_snapshot+0x15f8/0x2420 [ 48.211569][ T5127] lr : create_pending_snapshot+0x15f8/0x2420 [ 48.212612][ T5127] sp : ffff800021d27520 [ 48.213308][ T5127] x29: ffff800021d27740 x28: ffff0000caedc210 x27: ffff7000043a4ec4 [ 48.214697][ T5127] x26: ffff0000cf9c6a00 x25: ffff0000cf9c6aa8 x24: dfff800000000000 [ 48.216082][ T5127] x23: ffff0000dd10a5e0 x22: ffff0000d2141390 x21: 1fffe00019f38d46 [ 48.217471][ T5127] x20: ffff0000d2141370 x19: 00000000fffffff4 x18: 0000000000000000 [ 48.218889][ T5127] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 48.220300][ T5127] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 48.221850][ T5127] x11: ff80800008300a7c x10: 0000000000000000 x9 : e6121cf332192b00 [ 48.223272][ T5127] x8 : e6121cf332192b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.224768][ T5127] x5 : ffff800021d26e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 48.226173][ T5127] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.227568][ T5127] Call trace: [ 48.228123][ T5127] create_pending_snapshot+0x15f8/0x2420 [ 48.229101][ T5127] create_pending_snapshots+0x154/0x19c [ 48.230060][ T5127] btrfs_commit_transaction+0xe1c/0x30ac [ 48.231035][ T5127] create_snapshot+0x39c/0x69c [ 48.231845][ T5127] btrfs_mksubvol+0x510/0x658 [ 48.232814][ T5127] btrfs_mksnapshot+0xc8/0x168 [ 48.233760][ T5127] __btrfs_ioctl_snap_create+0x39c/0x488 [ 48.234871][ T5127] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 48.235884][ T5127] btrfs_ioctl+0x7f0/0xa8c [ 48.236670][ T5127] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.237543][ T5127] invoke_syscall+0x98/0x28c [ 48.238346][ T5127] el0_svc_common+0x13c/0x258 [ 48.239129][ T5127] do_el0_svc+0x5c/0x140 [ 48.239853][ T5127] el0_svc+0x78/0x1d0 [ 48.240535][ T5127] el0t_64_sync_handler+0xcc/0xe4 [ 48.241429][ T5127] el0t_64_sync+0x1a0/0x1a4 [ 48.242191][ T5127] irq event stamp: 78788 [ 48.243045][ T5127] hardirqs last enabled at (78787): [] __up_console_sem+0xb4/0xfc [ 48.244896][ T5127] hardirqs last disabled at (78788): [] el1_dbg+0x24/0x80 [ 48.246560][ T5127] softirqs last enabled at (78776): [] handle_softirqs+0xa70/0xc14 [ 48.248162][ T5127] softirqs last disabled at (78767): [] __irq_exit_rcu+0x240/0x434 [ 48.249773][ T5127] ---[ end trace c2c7cee6bf98bba9 ]--- [ 48.250883][ T5127] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 48.252906][ T5127] BTRFS info (device loop0): forced readonly [ 48.253966][ T5127] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 48.255380][ T5127] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 48.437295][ T5148] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5148) [ 48.440770][ T5148] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 48.442636][ T5148] BTRFS info (device loop0): using free space tree [ 48.443893][ T5148] BTRFS info (device loop0): has skinny extents [ 48.451899][ T5148] BTRFS info (device loop0): enabling ssd optimizations [ 48.454883][ T5148] FAULT_INJECTION: forcing a failure. [ 48.454883][ T5148] name failslab, interval 1, probability 0, space 0, times 0 [ 48.456934][ T5148] CPU: 0 PID: 5148 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.458414][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.460079][ T5148] Call trace: [ 48.460627][ T5148] dump_backtrace+0x0/0x458 [ 48.461392][ T5148] show_stack+0x2c/0x3c [ 48.462063][ T5148] __dump_stack+0x30/0x40 [ 48.462791][ T5148] dump_stack_lvl+0xf4/0x15c [ 48.463591][ T5148] dump_stack+0x1c/0x5c [ 48.464309][ T5148] should_fail+0x3c8/0x520 [ 48.465043][ T5148] __should_failslab+0xbc/0x10c [ 48.465859][ T5148] should_failslab+0x10/0x28 [ 48.466647][ T5148] slab_pre_alloc_hook+0x64/0xe8 [ 48.467520][ T5148] kmem_cache_alloc+0x94/0x3d8 [ 48.468354][ T5148] btrfs_alloc_path+0x5c/0x68 [ 48.469199][ T5148] __btrfs_run_delayed_items+0x88/0x478 [ 48.470146][ T5148] btrfs_run_delayed_items+0x24/0x34 [ 48.471050][ T5148] create_pending_snapshot+0x7a0/0x2420 [ 48.472033][ T5148] create_pending_snapshots+0x154/0x19c [ 48.472995][ T5148] btrfs_commit_transaction+0xe1c/0x30ac [ 48.474013][ T5148] create_snapshot+0x39c/0x69c [ 48.474927][ T5148] btrfs_mksubvol+0x510/0x658 [ 48.475752][ T5148] btrfs_mksnapshot+0xc8/0x168 [ 48.476745][ T5148] __btrfs_ioctl_snap_create+0x39c/0x488 [ 48.477883][ T5148] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 48.478898][ T5148] btrfs_ioctl+0x7f0/0xa8c [ 48.479693][ T5148] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.480612][ T5148] invoke_syscall+0x98/0x28c [ 48.481433][ T5148] el0_svc_common+0x13c/0x258 [ 48.482286][ T5148] do_el0_svc+0x5c/0x140 [ 48.483043][ T5148] el0_svc+0x78/0x1d0 [ 48.483747][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 48.484611][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 48.487600][ T5148] ------------[ cut here ]------------ [ 48.488612][ T5148] WARNING: CPU: 0 PID: 5148 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 48.490457][ T5148] Modules linked in: [ 48.491153][ T5148] CPU: 0 PID: 5148 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.492827][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.494940][ T5148] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.496456][ T5148] pc : create_pending_snapshot+0x15f8/0x2420 [ 48.497616][ T5148] lr : create_pending_snapshot+0x15f8/0x2420 [ 48.498642][ T5148] sp : ffff8000213c7520 [ 48.499521][ T5148] x29: ffff8000213c7740 x28: ffff0000c9e73210 x27: ffff700004278ec4 [ 48.501096][ T5148] x26: ffff0000cfb85c00 x25: ffff0000cfb85ca8 x24: dfff800000000000 [ 48.502704][ T5148] x23: ffff0000dd242eb0 x22: ffff0000d21412e0 x21: 1fffe00019f70b86 [ 48.504353][ T5148] x20: ffff0000d21412c0 x19: 00000000fffffff4 x18: 0000000000000000 [ 48.506064][ T5148] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 48.507724][ T5148] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 48.509278][ T5148] x11: ff80800008300a7c x10: 0000000000000000 x9 : 9a6d487b43b3c700 [ 48.510867][ T5148] x8 : 9a6d487b43b3c700 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.512408][ T5148] x5 : ffff8000213c6e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 48.513915][ T5148] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.515304][ T5148] Call trace: [ 48.515880][ T5148] create_pending_snapshot+0x15f8/0x2420 [ 48.516886][ T5148] create_pending_snapshots+0x154/0x19c [ 48.517899][ T5148] btrfs_commit_transaction+0xe1c/0x30ac [ 48.518853][ T5148] create_snapshot+0x39c/0x69c [ 48.519671][ T5148] btrfs_mksubvol+0x510/0x658 [ 48.520503][ T5148] btrfs_mksnapshot+0xc8/0x168 [ 48.521337][ T5148] __btrfs_ioctl_snap_create+0x39c/0x488 [ 48.522258][ T5148] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 48.523213][ T5148] btrfs_ioctl+0x7f0/0xa8c [ 48.523969][ T5148] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.524838][ T5148] invoke_syscall+0x98/0x28c [ 48.525639][ T5148] el0_svc_common+0x13c/0x258 [ 48.526441][ T5148] do_el0_svc+0x5c/0x140 [ 48.527179][ T5148] el0_svc+0x78/0x1d0 [ 48.527860][ T5148] el0t_64_sync_handler+0xcc/0xe4 [ 48.528716][ T5148] el0t_64_sync+0x1a0/0x1a4 [ 48.529489][ T5148] irq event stamp: 78928 [ 48.530189][ T5148] hardirqs last enabled at (78927): [] __up_console_sem+0xb4/0xfc [ 48.531840][ T5148] hardirqs last disabled at (78928): [] el1_dbg+0x24/0x80 [ 48.533343][ T5148] softirqs last enabled at (78908): [] handle_softirqs+0xa70/0xc14 [ 48.535007][ T5148] softirqs last disabled at (78889): [] __irq_exit_rcu+0x240/0x434 [ 48.536670][ T5148] ---[ end trace c2c7cee6bf98bbaa ]--- [ 48.539007][ T5148] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 48.541078][ T5148] BTRFS info (device loop0): forced readonly [ 48.542044][ T5148] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 48.543520][ T5148] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 48.728716][ T5169] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5169) [ 48.733175][ T5169] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 48.734810][ T5169] BTRFS info (device loop0): using free space tree [ 48.735968][ T5169] BTRFS info (device loop0): has skinny extents [ 48.746834][ T5169] BTRFS info (device loop0): enabling ssd optimizations [ 48.749819][ T5169] FAULT_INJECTION: forcing a failure. [ 48.749819][ T5169] name failslab, interval 1, probability 0, space 0, times 0 [ 48.752180][ T5169] CPU: 0 PID: 5169 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.753782][ T5169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.755517][ T5169] Call trace: [ 48.756084][ T5169] dump_backtrace+0x0/0x458 [ 48.756841][ T5169] show_stack+0x2c/0x3c [ 48.757521][ T5169] __dump_stack+0x30/0x40 [ 48.758269][ T5169] dump_stack_lvl+0xf4/0x15c [ 48.759031][ T5169] dump_stack+0x1c/0x5c [ 48.759753][ T5169] should_fail+0x3c8/0x520 [ 48.760507][ T5169] __should_failslab+0xbc/0x10c [ 48.761504][ T5169] should_failslab+0x10/0x28 [ 48.762418][ T5169] slab_pre_alloc_hook+0x64/0xe8 [ 48.763454][ T5169] kmem_cache_alloc+0x94/0x3d8 [ 48.764316][ T5169] btrfs_alloc_path+0x5c/0x68 [ 48.765216][ T5169] __btrfs_run_delayed_items+0x88/0x478 [ 48.766266][ T5169] btrfs_run_delayed_items+0x24/0x34 [ 48.767399][ T5169] create_pending_snapshot+0x7a0/0x2420 [ 48.768418][ T5169] create_pending_snapshots+0x154/0x19c [ 48.769557][ T5169] btrfs_commit_transaction+0xe1c/0x30ac [ 48.770567][ T5169] create_snapshot+0x39c/0x69c [ 48.771403][ T5169] btrfs_mksubvol+0x510/0x658 [ 48.772342][ T5169] btrfs_mksnapshot+0xc8/0x168 [ 48.773263][ T5169] __btrfs_ioctl_snap_create+0x39c/0x488 [ 48.774387][ T5169] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 48.775516][ T5169] btrfs_ioctl+0x7f0/0xa8c [ 48.776411][ T5169] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.777303][ T5169] invoke_syscall+0x98/0x28c [ 48.778120][ T5169] el0_svc_common+0x13c/0x258 [ 48.778981][ T5169] do_el0_svc+0x5c/0x140 [ 48.779750][ T5169] el0_svc+0x78/0x1d0 [ 48.780432][ T5169] el0t_64_sync_handler+0xcc/0xe4 [ 48.781289][ T5169] el0t_64_sync+0x1a0/0x1a4 [ 48.783929][ T5169] ------------[ cut here ]------------ [ 48.785030][ T5169] WARNING: CPU: 0 PID: 5169 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 48.786732][ T5169] Modules linked in: [ 48.787387][ T5169] CPU: 0 PID: 5169 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.788812][ T5169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.790657][ T5169] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.791984][ T5169] pc : create_pending_snapshot+0x15f8/0x2420 [ 48.793035][ T5169] lr : create_pending_snapshot+0x15f8/0x2420 [ 48.794121][ T5169] sp : ffff800021fb7520 [ 48.794854][ T5169] x29: ffff800021fb7740 x28: ffff0000d844ab00 x27: ffff7000043f6ec4 [ 48.796269][ T5169] x26: ffff0000cfde7400 x25: ffff0000cfde74a8 x24: dfff800000000000 [ 48.797626][ T5169] x23: ffff0000cbef11a0 x22: ffff0000d2141230 x21: 1fffe00019fbce86 [ 48.799037][ T5169] x20: ffff0000d2141210 x19: 00000000fffffff4 x18: 0000000000000000 [ 48.800431][ T5169] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 48.801831][ T5169] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 48.803338][ T5169] x11: ff80800008300a7c x10: 0000000000000000 x9 : 51306a7f96e85600 [ 48.804900][ T5169] x8 : 51306a7f96e85600 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.806415][ T5169] x5 : ffff800021fb6e38 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 48.807854][ T5169] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.809274][ T5169] Call trace: [ 48.809848][ T5169] create_pending_snapshot+0x15f8/0x2420 [ 48.810867][ T5169] create_pending_snapshots+0x154/0x19c [ 48.811831][ T5169] btrfs_commit_transaction+0xe1c/0x30ac [ 48.812773][ T5169] create_snapshot+0x39c/0x69c [ 48.813611][ T5169] btrfs_mksubvol+0x510/0x658 [ 48.814389][ T5169] btrfs_mksnapshot+0xc8/0x168 [ 48.815236][ T5169] __btrfs_ioctl_snap_create+0x39c/0x488 [ 48.816398][ T5169] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 48.817519][ T5169] btrfs_ioctl+0x7f0/0xa8c [ 48.818374][ T5169] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.819301][ T5169] invoke_syscall+0x98/0x28c [ 48.820153][ T5169] el0_svc_common+0x13c/0x258 [ 48.820987][ T5169] do_el0_svc+0x5c/0x140 [ 48.821725][ T5169] el0_svc+0x78/0x1d0 [ 48.822444][ T5169] el0t_64_sync_handler+0xcc/0xe4 [ 48.823315][ T5169] el0t_64_sync+0x1a0/0x1a4 [ 48.824115][ T5169] irq event stamp: 78436 [ 48.824868][ T5169] hardirqs last enabled at (78435): [] __up_console_sem+0xb4/0xfc [ 48.826528][ T5169] hardirqs last disabled at (78436): [] el1_dbg+0x24/0x80 [ 48.828126][ T5169] softirqs last enabled at (78416): [] handle_softirqs+0xa70/0xc14 [ 48.829840][ T5169] softirqs last disabled at (78395): [] __irq_exit_rcu+0x240/0x434 [ 48.831478][ T5169] ---[ end trace c2c7cee6bf98bbab ]--- [ 48.832851][ T5169] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 48.834577][ T5169] BTRFS info (device loop0): forced readonly [ 48.835562][ T5169] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 48.836926][ T5169] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory 1970/01/01 00:00:48 executed programs: 31 [ 49.006464][ T5190] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5190) [ 49.010018][ T5190] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.011557][ T5190] BTRFS info (device loop0): using free space tree [ 49.013138][ T5190] BTRFS info (device loop0): has skinny extents [ 49.024647][ T5190] BTRFS info (device loop0): enabling ssd optimizations [ 49.027330][ T5190] FAULT_INJECTION: forcing a failure. [ 49.027330][ T5190] name failslab, interval 1, probability 0, space 0, times 0 [ 49.029790][ T5190] CPU: 1 PID: 5190 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.031292][ T5190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.033099][ T5190] Call trace: [ 49.033670][ T5190] dump_backtrace+0x0/0x458 [ 49.034462][ T5190] show_stack+0x2c/0x3c [ 49.035182][ T5190] __dump_stack+0x30/0x40 [ 49.035899][ T5190] dump_stack_lvl+0xf4/0x15c [ 49.036670][ T5190] dump_stack+0x1c/0x5c [ 49.037370][ T5190] should_fail+0x3c8/0x520 [ 49.038119][ T5190] __should_failslab+0xbc/0x10c [ 49.038946][ T5190] should_failslab+0x10/0x28 [ 49.039733][ T5190] slab_pre_alloc_hook+0x64/0xe8 [ 49.040572][ T5190] kmem_cache_alloc+0x94/0x3d8 [ 49.041415][ T5190] btrfs_alloc_path+0x5c/0x68 [ 49.042251][ T5190] __btrfs_run_delayed_items+0x88/0x478 [ 49.043199][ T5190] btrfs_run_delayed_items+0x24/0x34 [ 49.044115][ T5190] btrfs_commit_transaction+0x948/0x30ac [ 49.045090][ T5190] create_snapshot+0x39c/0x69c [ 49.045912][ T5190] btrfs_mksubvol+0x510/0x658 [ 49.046717][ T5190] btrfs_mksnapshot+0xc8/0x168 [ 49.047542][ T5190] __btrfs_ioctl_snap_create+0x39c/0x488 [ 49.048518][ T5190] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 49.049482][ T5190] btrfs_ioctl+0x7f0/0xa8c [ 49.050243][ T5190] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.051092][ T5190] invoke_syscall+0x98/0x28c [ 49.051877][ T5190] el0_svc_common+0x13c/0x258 [ 49.052689][ T5190] do_el0_svc+0x5c/0x140 [ 49.053416][ T5190] el0_svc+0x78/0x1d0 [ 49.054060][ T5190] el0t_64_sync_handler+0xcc/0xe4 [ 49.054885][ T5190] el0t_64_sync+0x1a0/0x1a4 [ 49.058061][ T5190] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 49.059470][ T5190] ------------[ cut here ]------------ [ 49.060420][ T5190] WARNING: CPU: 1 PID: 5190 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1e20/0x30ac [ 49.062218][ T5190] Modules linked in: [ 49.062867][ T5190] CPU: 1 PID: 5190 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.064445][ T5190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.066149][ T5190] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.067470][ T5190] pc : btrfs_commit_transaction+0x1e20/0x30ac [ 49.068519][ T5190] lr : btrfs_commit_transaction+0x1e20/0x30ac [ 49.069577][ T5190] sp : ffff800021c57800 [ 49.070299][ T5190] x29: ffff800021c57a40 x28: ffff0000de96ea50 x27: dfff800000000000 [ 49.071674][ T5190] x26: ffff70000438af18 x25: ffff0000ce34aca8 x24: ffff0000d775d9d0 [ 49.073064][ T5190] x23: 00000000fffffff4 x22: ffff0000d9cef000 x21: ffff0000d775c000 [ 49.074444][ T5190] x20: 0000000000000000 x19: 1fffe00019c69595 x18: 0000000000000000 [ 49.075809][ T5190] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 49.077171][ T5190] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 49.078583][ T5190] x11: ff80800008300a7c x10: 0000000000000000 x9 : c4b934e9c742b500 [ 49.079961][ T5190] x8 : c4b934e9c742b500 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.081379][ T5190] x5 : ffff800021c57118 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 49.082770][ T5190] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.084200][ T5190] Call trace: [ 49.084788][ T5190] btrfs_commit_transaction+0x1e20/0x30ac [ 49.085756][ T5190] create_snapshot+0x39c/0x69c [ 49.086586][ T5190] btrfs_mksubvol+0x510/0x658 [ 49.087377][ T5190] btrfs_mksnapshot+0xc8/0x168 [ 49.088206][ T5190] __btrfs_ioctl_snap_create+0x39c/0x488 [ 49.089130][ T5190] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 49.090082][ T5190] btrfs_ioctl+0x7f0/0xa8c [ 49.090800][ T5190] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.091594][ T5190] invoke_syscall+0x98/0x28c [ 49.092348][ T5190] el0_svc_common+0x13c/0x258 [ 49.093135][ T5190] do_el0_svc+0x5c/0x140 [ 49.093864][ T5190] el0_svc+0x78/0x1d0 [ 49.094542][ T5190] el0t_64_sync_handler+0xcc/0xe4 [ 49.095407][ T5190] el0t_64_sync+0x1a0/0x1a4 [ 49.096179][ T5190] irq event stamp: 78912 [ 49.096886][ T5190] hardirqs last enabled at (78911): [] __up_console_sem+0xb4/0xfc [ 49.098535][ T5190] hardirqs last disabled at (78912): [] el1_dbg+0x24/0x80 [ 49.100049][ T5190] softirqs last enabled at (78878): [] handle_softirqs+0xa70/0xc14 [ 49.101700][ T5190] softirqs last disabled at (78805): [] __irq_exit_rcu+0x240/0x434 [ 49.103340][ T5190] ---[ end trace c2c7cee6bf98bbac ]--- [ 49.105035][ T5190] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 49.106655][ T5190] BTRFS info (device loop0): forced readonly [ 49.281751][ T5211] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5211) [ 49.285791][ T5211] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.287336][ T5211] BTRFS info (device loop0): using free space tree [ 49.288494][ T5211] BTRFS info (device loop0): has skinny extents [ 49.304421][ T5211] BTRFS info (device loop0): enabling ssd optimizations [ 49.307441][ T5211] FAULT_INJECTION: forcing a failure. [ 49.307441][ T5211] name failslab, interval 1, probability 0, space 0, times 0 [ 49.309854][ T5211] CPU: 0 PID: 5211 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.311419][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.313231][ T5211] Call trace: [ 49.313808][ T5211] dump_backtrace+0x0/0x458 [ 49.314601][ T5211] show_stack+0x2c/0x3c [ 49.315433][ T5211] __dump_stack+0x30/0x40 [ 49.316295][ T5211] dump_stack_lvl+0xf4/0x15c [ 49.317195][ T5211] dump_stack+0x1c/0x5c [ 49.317974][ T5211] should_fail+0x3c8/0x520 [ 49.318765][ T5211] __should_failslab+0xbc/0x10c [ 49.319709][ T5211] should_failslab+0x10/0x28 [ 49.320565][ T5211] slab_pre_alloc_hook+0x64/0xe8 [ 49.321515][ T5211] kmem_cache_alloc+0x94/0x3d8 [ 49.322381][ T5211] btrfs_alloc_path+0x5c/0x68 [ 49.323245][ T5211] __btrfs_run_delayed_items+0x88/0x478 [ 49.324361][ T5211] btrfs_run_delayed_items+0x24/0x34 [ 49.325313][ T5211] create_pending_snapshot+0x7a0/0x2420 [ 49.326323][ T5211] create_pending_snapshots+0x154/0x19c [ 49.327314][ T5211] btrfs_commit_transaction+0xe1c/0x30ac [ 49.328397][ T5211] create_snapshot+0x39c/0x69c [ 49.329335][ T5211] btrfs_mksubvol+0x510/0x658 [ 49.330224][ T5211] btrfs_mksnapshot+0xc8/0x168 [ 49.331123][ T5211] __btrfs_ioctl_snap_create+0x39c/0x488 [ 49.332253][ T5211] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 49.333427][ T5211] btrfs_ioctl+0x7f0/0xa8c [ 49.334310][ T5211] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.335271][ T5211] invoke_syscall+0x98/0x28c [ 49.336244][ T5211] el0_svc_common+0x13c/0x258 [ 49.337196][ T5211] do_el0_svc+0x5c/0x140 [ 49.338019][ T5211] el0_svc+0x78/0x1d0 [ 49.338695][ T5211] el0t_64_sync_handler+0xcc/0xe4 [ 49.339635][ T5211] el0t_64_sync+0x1a0/0x1a4 [ 49.342130][ T5211] ------------[ cut here ]------------ [ 49.343546][ T5211] WARNING: CPU: 1 PID: 5211 at fs/btrfs/transaction.c:1712 create_pending_snapshot+0x15f8/0x2420 [ 49.345358][ T5211] Modules linked in: [ 49.345991][ T5211] CPU: 1 PID: 5211 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.347582][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.349219][ T5211] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.350435][ T5211] pc : create_pending_snapshot+0x15f8/0x2420 [ 49.351424][ T5211] lr : create_pending_snapshot+0x15f8/0x2420 [ 49.352338][ T5211] sp : ffff800022147520 [ 49.353004][ T5211] x29: ffff800022147740 x28: ffff0000dae98e70 x27: ffff700004428ec4 [ 49.354395][ T5211] x26: ffff0000cfb74200 x25: ffff0000cfb742a8 x24: dfff800000000000 [ 49.355769][ T5211] x23: ffff0000d205d780 x22: ffff0000d21414f0 x21: 1fffe00019f6e846 [ 49.357147][ T5211] x20: ffff0000d21414d0 x19: 00000000fffffff4 x18: 0000000000000000 [ 49.358653][ T5211] x17: 0000000000000000 x16: ffff8000082c6844 x15: 0000000000000000 [ 49.360042][ T5211] x14: 0000000000000001 x13: 1ffff00004428dc4 x12: 0000000000000000 [ 49.361415][ T5211] x11: ff80800008300a7c x10: 0000000000000000 x9 : 9fb35c8816660f00 [ 49.362852][ T5211] x8 : 9fb35c8816660f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.364283][ T5211] x5 : ffff800022146e38 x4 : ffff80001448f520 x3 : ffff8000083083a4 [ 49.365937][ T5211] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.367494][ T5211] Call trace: [ 49.368108][ T5211] create_pending_snapshot+0x15f8/0x2420 [ 49.369195][ T5211] create_pending_snapshots+0x154/0x19c [ 49.370267][ T5211] btrfs_commit_transaction+0xe1c/0x30ac [ 49.371337][ T5211] create_snapshot+0x39c/0x69c [ 49.372239][ T5211] btrfs_mksubvol+0x510/0x658 [ 49.373159][ T5211] btrfs_mksnapshot+0xc8/0x168 [ 49.373980][ T5211] __btrfs_ioctl_snap_create+0x39c/0x488 [ 49.375083][ T5211] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 49.376185][ T5211] btrfs_ioctl+0x7f0/0xa8c [ 49.377054][ T5211] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.377976][ T5211] invoke_syscall+0x98/0x28c [ 49.378848][ T5211] el0_svc_common+0x13c/0x258 [ 49.379681][ T5211] do_el0_svc+0x5c/0x140 [ 49.380433][ T5211] el0_svc+0x78/0x1d0 [ 49.381074][ T5211] el0t_64_sync_handler+0xcc/0xe4 [ 49.382003][ T5211] el0t_64_sync+0x1a0/0x1a4 [ 49.382799][ T5211] irq event stamp: 78622 [ 49.383522][ T5211] hardirqs last enabled at (78621): [] __up_console_sem+0xb4/0xfc [ 49.385210][ T5211] hardirqs last disabled at (78622): [] el1_dbg+0x24/0x80 [ 49.386696][ T5211] softirqs last enabled at (78612): [] handle_softirqs+0xa70/0xc14 [ 49.388316][ T5211] softirqs last disabled at (78541): [] __irq_exit_rcu+0x240/0x434 [ 49.389980][ T5211] ---[ end trace c2c7cee6bf98bbad ]--- [ 49.391594][ T5211] BTRFS: error (device loop0) in create_pending_snapshot:1712: errno=-12 Out of memory [ 49.393455][ T5211] BTRFS info (device loop0): forced readonly [ 49.394477][ T5211] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 49.395851][ T5211] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 49.590238][ T5232] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5232) [ 49.595336][ T5232] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.596828][ T5232] BTRFS info (device loop0): using free space tree [ 49.597880][ T5232] BTRFS info (device loop0): has skinny extents [ 49.608393][ T5232] BTRFS info (device loop0): enabling ssd optimizations [ 49.611773][ T5232] FAULT_INJECTION: forcing a failure. [ 49.611773][ T5232] name failslab, interval 1, probability 0, space 0, times 0 [ 49.614665][ T5232] CPU: 1 PID: 5232 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.616286][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.618114][ T5232] Call trace: [ 49.618757][ T5232] dump_backtrace+0x0/0x458 [ 49.619636][ T5232] show_stack+0x2c/0x3c [ 49.620437][ T5232] __dump_stack+0x30/0x40 [ 49.621220][ T5232] dump_stack_lvl+0xf4/0x15c [ 49.622027][ T5232] dump_stack+0x1c/0x5c [ 49.622806][ T5232] should_fail+0x3c8/0x520 [ 49.623622][ T5232] __should_failslab+0xbc/0x10c [ 49.624500][ T5232] should_failslab+0x10/0x28 [ 49.625295][ T5232] slab_pre_alloc_hook+0x64/0xe8 [ 49.626163][ T5232] kmem_cache_alloc+0x94/0x3d8 [ 49.626997][ T5232] btrfs_alloc_path+0x5c/0x68 [ 49.627795][ T5232] __btrfs_run_delayed_items+0x88/0x478 [ 49.628789][ T5232] btrfs_run_delayed_items+0x24/0x34 [ 49.629723][ T5232] btrfs_commit_transaction+0x948/0x30ac [ 49.630851][ T5232] create_snapshot+0x39c/0x69c [ 49.631779][ T5232] btrfs_mksubvol+0x510/0x658 [ 49.632653][ T5232] btrfs_mksnapshot+0xc8/0x168 [ 49.633529][ T5232] __btrfs_ioctl_snap_create+0x39c/0x488 [ 49.634530][ T5232] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 49.635558][ T5232] btrfs_ioctl+0x7f0/0xa8c [ 49.636316][ T5232] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.637304][ T5232] invoke_syscall+0x98/0x28c [ 49.638275][ T5232] el0_svc_common+0x13c/0x258 [ 49.639210][ T5232] do_el0_svc+0x5c/0x140 [ 49.640123][ T5232] el0_svc+0x78/0x1d0 [ 49.640860][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 49.641795][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 49.643591][ T5232] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 49.645211][ T5232] ------------[ cut here ]------------ [ 49.646453][ T5232] WARNING: CPU: 1 PID: 5232 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1e20/0x30ac [ 49.648451][ T5232] Modules linked in: [ 49.649195][ T5232] CPU: 1 PID: 5232 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.650906][ T5232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.652776][ T5232] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.654205][ T5232] pc : btrfs_commit_transaction+0x1e20/0x30ac [ 49.655264][ T5232] lr : btrfs_commit_transaction+0x1e20/0x30ac [ 49.656342][ T5232] sp : ffff800022687800 [ 49.657085][ T5232] x29: ffff800022687a40 x28: ffff0000de96e840 x27: dfff800000000000 [ 49.658455][ T5232] x26: ffff7000044d0f18 x25: ffff0000ce1fe328 x24: ffff0000d775d9d0 [ 49.659813][ T5232] x23: 00000000fffffff4 x22: ffff0000d9ced000 x21: ffff0000d775c000 [ 49.661170][ T5232] x20: 0000000000000000 x19: 1fffe00019c3fc65 x18: 0000000000000000 [ 49.662688][ T5232] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 49.664094][ T5232] x14: 0000000000000001 x13: 1fffe000341ce9ab x12: 0000000000000000 [ 49.665438][ T5232] x11: ff80800008300a7c x10: 0000000000000000 x9 : a52422cdf579ea00 [ 49.666848][ T5232] x8 : a52422cdf579ea00 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.668260][ T5232] x5 : ffff800022687118 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 49.669661][ T5232] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.671041][ T5232] Call trace: [ 49.671598][ T5232] btrfs_commit_transaction+0x1e20/0x30ac [ 49.672556][ T5232] create_snapshot+0x39c/0x69c [ 49.673394][ T5232] btrfs_mksubvol+0x510/0x658 [ 49.674170][ T5232] btrfs_mksnapshot+0xc8/0x168 [ 49.674932][ T5232] __btrfs_ioctl_snap_create+0x39c/0x488 [ 49.675883][ T5232] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 49.676854][ T5232] btrfs_ioctl+0x7f0/0xa8c [ 49.677615][ T5232] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.678481][ T5232] invoke_syscall+0x98/0x28c [ 49.679247][ T5232] el0_svc_common+0x13c/0x258 [ 49.680060][ T5232] do_el0_svc+0x5c/0x140 [ 49.680799][ T5232] el0_svc+0x78/0x1d0 [ 49.681468][ T5232] el0t_64_sync_handler+0xcc/0xe4 [ 49.682318][ T5232] el0t_64_sync+0x1a0/0x1a4 [ 49.683083][ T5232] irq event stamp: 78518 [ 49.683795][ T5232] hardirqs last enabled at (78517): [] __up_console_sem+0xb4/0xfc [ 49.685407][ T5232] hardirqs last disabled at (78518): [] el1_dbg+0x24/0x80 [ 49.686923][ T5232] softirqs last enabled at (78480): [] handle_softirqs+0xa70/0xc14 [ 49.688555][ T5232] softirqs last disabled at (78439): [] __irq_exit_rcu+0x240/0x434 [ 49.690241][ T5232] ---[ end trace c2c7cee6bf98bbae ]--- [ 49.692139][ T5232] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 49.693970][ T5232] BTRFS info (device loop0): forced readonly [ 49.859330][ T5253] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5253) [ 49.863864][ T5253] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.865971][ T5253] BTRFS info (device loop0): using free space tree [ 49.867153][ T5253] BTRFS info (device loop0): has skinny extents [ 49.875065][ T5253] BTRFS info (device loop0): enabling ssd optimizations [ 49.882783][ T5253] FAULT_INJECTION: forcing a failure. [ 49.882783][ T5253] name failslab, interval 1, probability 0, space 0, times 0 [ 49.885258][ T5253] CPU: 0 PID: 5253 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.886815][ T5253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.888615][ T5253] Call trace: [ 49.889214][ T5253] dump_backtrace+0x0/0x458 [ 49.890174][ T5253] show_stack+0x2c/0x3c [ 49.891029][ T5253] __dump_stack+0x30/0x40 [ 49.891926][ T5253] dump_stack_lvl+0xf4/0x15c [ 49.892809][ T5253] dump_stack+0x1c/0x5c [ 49.893676][ T5253] should_fail+0x3c8/0x520 [ 49.894559][ T5253] __should_failslab+0xbc/0x10c [ 49.895483][ T5253] should_failslab+0x10/0x28 [ 49.896400][ T5253] slab_pre_alloc_hook+0x64/0xe8 [ 49.897230][ T5253] kmem_cache_alloc+0x94/0x3d8 [ 49.898084][ T5253] btrfs_alloc_path+0x5c/0x68 [ 49.899101][ T5253] __btrfs_run_delayed_items+0x88/0x478 [ 49.900252][ T5253] btrfs_run_delayed_items+0x24/0x34 [ 49.901344][ T5253] btrfs_commit_transaction+0x948/0x30ac [ 49.902426][ T5253] create_snapshot+0x39c/0x69c [ 49.903341][ T5253] btrfs_mksubvol+0x510/0x658 [ 49.904134][ T5253] btrfs_mksnapshot+0xc8/0x168 [ 49.904930][ T5253] __btrfs_ioctl_snap_create+0x39c/0x488 [ 49.905904][ T5253] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 49.906937][ T5253] btrfs_ioctl+0x7f0/0xa8c [ 49.907707][ T5253] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.908548][ T5253] invoke_syscall+0x98/0x28c [ 49.909335][ T5253] el0_svc_common+0x13c/0x258 [ 49.910173][ T5253] do_el0_svc+0x5c/0x140 [ 49.910937][ T5253] el0_svc+0x78/0x1d0 [ 49.911795][ T5253] el0t_64_sync_handler+0xcc/0xe4 [ 49.912789][ T5253] el0t_64_sync+0x1a0/0x1a4 [ 49.914453][ T5253] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 49.916516][ T5253] ------------[ cut here ]------------ [ 49.917545][ T5253] WARNING: CPU: 0 PID: 5253 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x1e20/0x30ac [ 49.919537][ T5253] Modules linked in: [ 49.920214][ T5253] CPU: 0 PID: 5253 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.921792][ T5253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 49.923880][ T5253] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.925356][ T5253] pc : btrfs_commit_transaction+0x1e20/0x30ac [ 49.926414][ T5253] lr : btrfs_commit_transaction+0x1e20/0x30ac [ 49.927660][ T5253] sp : ffff8000227d7800 [ 49.928429][ T5253] x29: ffff8000227d7a40 x28: ffff0000d21410b0 x27: dfff800000000000 [ 49.929995][ T5253] x26: ffff7000044faf18 x25: ffff0000d36f6328 x24: ffff0000d775d9d0 [ 49.931527][ T5253] x23: 00000000fffffff4 x22: ffff0000cf3c6000 x21: ffff0000d775c000 [ 49.933022][ T5253] x20: 0000000000000000 x19: 1fffe0001a6dec65 x18: 0000000000000000 [ 49.934504][ T5253] x17: 0000000000000000 x16: ffff8000113710a0 x15: 0000000000000000 [ 49.935931][ T5253] x14: 0000000000000001 x13: 1fffe000341ca7ab x12: 0000000000000000 [ 49.937410][ T5253] x11: ff80800008300a7c x10: 0000000000000000 x9 : 64d8b8ad7ae50400 [ 49.939011][ T5253] x8 : 64d8b8ad7ae50400 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.940461][ T5253] x5 : ffff8000227d7118 x4 : ffff80001448f520 x3 : ffff800008510b80 [ 49.942143][ T5253] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.943692][ T5253] Call trace: [ 49.944359][ T5253] btrfs_commit_transaction+0x1e20/0x30ac [ 49.945399][ T5253] create_snapshot+0x39c/0x69c [ 49.946217][ T5253] btrfs_mksubvol+0x510/0x658 [ 49.947035][ T5253] btrfs_mksnapshot+0xc8/0x168 [ 49.947891][ T5253] __btrfs_ioctl_snap_create+0x39c/0x488 [ 49.948936][ T5253] btrfs_ioctl_snap_create_v2+0x1a4/0x38c [ 49.949936][ T5253] btrfs_ioctl+0x7f0/0xa8c [ 49.950710][ T5253] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.951563][ T5253] invoke_syscall+0x98/0x28c [ 49.952396][ T5253] el0_svc_common+0x13c/0x258 [ 49.953212][ T5253] do_el0_svc+0x5c/0x140 [ 49.953933][ T5253] el0_svc+0x78/0x1d0 [ 49.954619][ T5253] el0t_64_sync_handler+0xcc/0xe4 [ 49.955519][ T5253] el0t_64_sync+0x1a0/0x1a4 [ 49.956306][ T5253] irq event stamp: 78286 [ 49.957046][ T5253] hardirqs last enabled at (78285): [] __up_console_sem+0xb4/0xfc [ 49.958695][ T5253] hardirqs last disabled at (78286): [] el1_dbg+0x24/0x80 [ 49.960279][ T5253] softirqs last enabled at (78250): [] handle_softirqs+0xa70/0xc14 [ 49.961909][ T5253] softirqs last disabled at (78203): [] __irq_exit_rcu+0x240/0x434 [ 49.963488][ T5253] ---[ end trace c2c7cee6bf98bbaf ]--- [ 49.964581][ T5253] BTRFS: error (device loop0) in cleanup_transaction:2021: errno=-12 Out of memory [ 49.966195][ T5253] BTRFS info (device loop0): forced readonly