Warning: Permanently added '10.128.1.216' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 ignoring optional flag "type"="gce" 1970/01/01 00:00:46 parsed 1 programs [ 46.597946][ T4254] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:46 executed programs: 0 [ 46.671293][ T4273] chnl_net:caif_netlink_parms(): no params data found [ 46.688927][ T4273] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.690143][ T4273] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.691722][ T4273] device bridge_slave_0 entered promiscuous mode [ 46.693618][ T4273] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.695121][ T4273] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.697118][ T4273] device bridge_slave_1 entered promiscuous mode [ 46.704978][ T4273] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.707347][ T4273] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.715384][ T4273] team0: Port device team_slave_0 added [ 46.717187][ T4273] team0: Port device team_slave_1 added [ 46.723600][ T4273] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 46.724837][ T4273] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 46.728726][ T4273] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 46.730919][ T4273] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 46.732079][ T4273] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 46.736233][ T4273] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 46.795270][ T4273] device hsr_slave_0 entered promiscuous mode [ 46.834357][ T4273] device hsr_slave_1 entered promiscuous mode [ 47.403323][ T4273] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.475283][ T4273] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.495527][ T4273] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.535283][ T4273] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.582369][ T4273] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.583444][ T4273] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.584684][ T4273] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.585746][ T4273] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.602982][ T4273] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.607860][ T365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.609729][ T365] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.611195][ T365] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.612885][ T365] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 47.618713][ T4273] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.626549][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.628122][ T1623] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.629291][ T1623] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.630582][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.632001][ T1623] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.633109][ T1623] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.641423][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.643301][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.645495][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.651900][ T4273] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.653553][ T4273] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.658666][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.660583][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.662105][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.711859][ T4273] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.715929][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.717232][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.723173][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.724921][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.731494][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.732985][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.735711][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.737279][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.740131][ T4273] device veth0_vlan entered promiscuous mode [ 47.743466][ T4273] device veth1_vlan entered promiscuous mode [ 47.751748][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.753281][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.756534][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.758378][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.761566][ T4273] device veth0_macvtap entered promiscuous mode [ 47.763975][ T4273] device veth1_macvtap entered promiscuous mode [ 47.770856][ T4273] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.772101][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.773531][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.778520][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.780058][ T1623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.783181][ T4273] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.785217][ T365] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.786718][ T365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.789583][ T4273] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.790929][ T4273] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.792280][ T4273] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.793599][ T4273] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.924736][ T4428] loop0: detected capacity change from 0 to 32768 [ 47.938504][ T4428] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4428) [ 47.952902][ T4428] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 47.959758][ T4428] BTRFS info (device loop0): using free space tree [ 47.960869][ T4428] BTRFS info (device loop0): has skinny extents [ 48.007527][ T4428] BTRFS info (device loop0): enabling ssd optimizations [ 48.018245][ T4428] FAULT_INJECTION: forcing a failure. [ 48.018245][ T4428] name failslab, interval 1, probability 0, space 0, times 1 [ 48.020138][ T4428] CPU: 0 PID: 4428 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.021285][ T4428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.022775][ T4428] Call trace: [ 48.023282][ T4428] dump_backtrace+0x0/0x458 [ 48.023914][ T4428] show_stack+0x2c/0x3c [ 48.024522][ T4428] __dump_stack+0x30/0x40 [ 48.025195][ T4428] dump_stack_lvl+0xf4/0x15c [ 48.025872][ T4428] dump_stack+0x1c/0x5c [ 48.026529][ T4428] should_fail+0x3bc/0x514 [ 48.027208][ T4428] __should_failslab+0xbc/0x10c [ 48.027918][ T4428] should_failslab+0x10/0x28 [ 48.028663][ T4428] slab_pre_alloc_hook+0x64/0xe8 [ 48.029370][ T4428] kmem_cache_alloc+0x94/0x3d4 [ 48.030162][ T4428] btrfs_alloc_path+0x5c/0x68 [ 48.030841][ T4428] btrfs_uuid_tree_remove+0x140/0x484 [ 48.031679][ T4428] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 48.032660][ T4428] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 48.033555][ T4428] btrfs_ioctl+0x9d0/0xa8c [ 48.034221][ T4428] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.034986][ T4428] invoke_syscall+0x98/0x2b0 [ 48.035707][ T4428] el0_svc_common+0x138/0x258 [ 48.036401][ T4428] do_el0_svc+0x58/0x13c [ 48.037117][ T4428] el0_svc+0x78/0x1d0 [ 48.037710][ T4428] el0t_64_sync_handler+0xcc/0xe4 [ 48.038446][ T4428] el0t_64_sync+0x1a0/0x1a4 [ 48.039959][ T4428] ------------[ cut here ]------------ [ 48.040984][ T4428] WARNING: CPU: 0 PID: 4428 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 48.042471][ T4428] Modules linked in: [ 48.043059][ T4428] CPU: 0 PID: 4428 Comm: syz-executor.0 Not tainted syzkaller #0 [ 48.044197][ T4428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.045722][ T4428] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.046880][ T4428] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 48.047901][ T4428] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 48.048885][ T4428] sp : ffff80001f917bf0 [ 48.049494][ T4428] x29: ffff80001f917c30 x28: dfff800000000000 x27: ffff0000dbbac000 [ 48.050702][ T4428] x26: ffff0000c2c0813f x25: ffff0000de8bb0b0 x24: ffff0000c2c0815f [ 48.051913][ T4428] x23: 00000000fffffff4 x22: 1fffe0001bd17621 x21: ffff0000de8bb108 [ 48.053086][ T4428] x20: 00000000fffffff4 x19: ffff0000c7e06280 x18: 0000000000000001 [ 48.054329][ T4428] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 48.055610][ T4428] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 48.056881][ T4428] x11: 0000000000000000 x10: 0000000000000000 x9 : 8de895ec0c1fa700 [ 48.058036][ T4428] x8 : 8de895ec0c1fa700 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.059274][ T4428] x5 : ffff80001f9174f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 48.060517][ T4428] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.061792][ T4428] Call trace: [ 48.062294][ T4428] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 48.063208][ T4428] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 48.064067][ T4428] btrfs_ioctl+0x9d0/0xa8c [ 48.064687][ T4428] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.065436][ T4428] invoke_syscall+0x98/0x2b0 [ 48.066135][ T4428] el0_svc_common+0x138/0x258 [ 48.066795][ T4428] do_el0_svc+0x58/0x13c [ 48.067456][ T4428] el0_svc+0x78/0x1d0 [ 48.068136][ T4428] el0t_64_sync_handler+0xcc/0xe4 [ 48.068903][ T4428] el0t_64_sync+0x1a0/0x1a4 [ 48.069519][ T4428] irq event stamp: 82040 [ 48.070158][ T4428] hardirqs last enabled at (82039): [] __up_console_sem+0xb4/0xfc [ 48.071618][ T4428] hardirqs last disabled at (82040): [] el1_dbg+0x24/0x80 [ 48.072978][ T4428] softirqs last enabled at (82020): [] handle_softirqs+0xa40/0xbe4 [ 48.074465][ T4428] softirqs last disabled at (81955): [] __irq_exit_rcu+0x240/0x43c [ 48.075828][ T4428] ---[ end trace 52507aa86c71e98d ]--- [ 48.077222][ T4428] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 48.078938][ T4428] BTRFS info (device loop0): forced readonly [ 48.286789][ T4508] loop0: detected capacity change from 0 to 32768 [ 48.294985][ T4508] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4508) [ 48.303522][ T4508] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 48.305765][ T4508] BTRFS info (device loop0): using free space tree [ 48.307334][ T4508] BTRFS info (device loop0): has skinny extents [ 48.374445][ T4508] BTRFS info (device loop0): enabling ssd optimizations [ 48.388274][ T4508] FAULT_INJECTION: forcing a failure. [ 48.388274][ T4508] name failslab, interval 1, probability 0, space 0, times 0 [ 48.390410][ T4508] CPU: 0 PID: 4508 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.391939][ T4508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.393501][ T4508] Call trace: [ 48.394000][ T4508] dump_backtrace+0x0/0x458 [ 48.394702][ T4508] show_stack+0x2c/0x3c [ 48.395349][ T4508] __dump_stack+0x30/0x40 [ 48.396066][ T4508] dump_stack_lvl+0xf4/0x15c [ 48.396808][ T4508] dump_stack+0x1c/0x5c [ 48.397466][ T4508] should_fail+0x3bc/0x514 [ 48.398178][ T4508] __should_failslab+0xbc/0x10c [ 48.398966][ T4508] should_failslab+0x10/0x28 [ 48.399643][ T4508] slab_pre_alloc_hook+0x64/0xe8 [ 48.400388][ T4508] kmem_cache_alloc+0x94/0x3d4 [ 48.401158][ T4508] btrfs_alloc_path+0x5c/0x68 [ 48.401847][ T4508] btrfs_uuid_tree_remove+0x140/0x484 [ 48.402674][ T4508] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 48.403630][ T4508] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 48.404509][ T4508] btrfs_ioctl+0x9d0/0xa8c [ 48.405147][ T4508] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.405850][ T4508] invoke_syscall+0x98/0x2b0 [ 48.406557][ T4508] el0_svc_common+0x138/0x258 [ 48.407283][ T4508] do_el0_svc+0x58/0x13c [ 48.407915][ T4508] el0_svc+0x78/0x1d0 [ 48.408513][ T4508] el0t_64_sync_handler+0xcc/0xe4 [ 48.409260][ T4508] el0t_64_sync+0x1a0/0x1a4 [ 48.417031][ T4508] ------------[ cut here ]------------ [ 48.418056][ T4508] WARNING: CPU: 0 PID: 4508 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 48.419766][ T4508] Modules linked in: [ 48.420354][ T4508] CPU: 0 PID: 4508 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.421725][ T4508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.423247][ T4508] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.424508][ T4508] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 48.425539][ T4508] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 48.426547][ T4508] sp : ffff80001bfe7bf0 [ 48.427239][ T4508] x29: ffff80001bfe7c30 x28: dfff800000000000 x27: ffff0000d8e64000 [ 48.428608][ T4508] x26: ffff0000c80a013f x25: ffff0000de8bb210 x24: ffff0000c80a015f [ 48.429776][ T4508] x23: 00000000fffffff4 x22: 1fffe0001bd1764d x21: ffff0000de8bb268 [ 48.431038][ T4508] x20: 00000000fffffff4 x19: ffff0000cd042a00 x18: 0000000000000001 [ 48.432315][ T4508] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 48.433553][ T4508] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 48.434813][ T4508] x11: 0000000000000000 x10: 0000000000000000 x9 : bbf4ce39f7513c00 [ 48.435997][ T4508] x8 : bbf4ce39f7513c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.437124][ T4508] x5 : ffff80001bfe74f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 48.438355][ T4508] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.439532][ T4508] Call trace: [ 48.440001][ T4508] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 48.440981][ T4508] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 48.441915][ T4508] btrfs_ioctl+0x9d0/0xa8c [ 48.442555][ T4508] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.443266][ T4508] invoke_syscall+0x98/0x2b0 [ 48.443957][ T4508] el0_svc_common+0x138/0x258 [ 48.444636][ T4508] do_el0_svc+0x58/0x13c [ 48.445304][ T4508] el0_svc+0x78/0x1d0 [ 48.445897][ T4508] el0t_64_sync_handler+0xcc/0xe4 [ 48.446663][ T4508] el0t_64_sync+0x1a0/0x1a4 [ 48.447366][ T4508] irq event stamp: 79644 [ 48.448076][ T4508] hardirqs last enabled at (79643): [] __up_console_sem+0xb4/0xfc [ 48.449513][ T4508] hardirqs last disabled at (79644): [] el1_dbg+0x24/0x80 [ 48.450816][ T4508] softirqs last enabled at (79606): [] handle_softirqs+0xa40/0xbe4 [ 48.452261][ T4508] softirqs last disabled at (79545): [] __irq_exit_rcu+0x240/0x43c [ 48.453619][ T4508] ---[ end trace 52507aa86c71e98e ]--- [ 48.457792][ T4508] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 48.459502][ T4508] BTRFS info (device loop0): forced readonly [ 48.643150][ T4563] loop0: detected capacity change from 0 to 32768 [ 48.644918][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 48.650175][ T4563] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4563) [ 48.670650][ T4563] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 48.672165][ T4563] BTRFS info (device loop0): using free space tree [ 48.673080][ T4563] BTRFS info (device loop0): has skinny extents [ 48.716696][ T4563] BTRFS info (device loop0): enabling ssd optimizations [ 48.730548][ T4563] FAULT_INJECTION: forcing a failure. [ 48.730548][ T4563] name failslab, interval 1, probability 0, space 0, times 0 [ 48.732936][ T4563] CPU: 0 PID: 4563 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.734246][ T4563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.735718][ T4563] Call trace: [ 48.736191][ T4563] dump_backtrace+0x0/0x458 [ 48.736897][ T4563] show_stack+0x2c/0x3c [ 48.737494][ T4563] __dump_stack+0x30/0x40 [ 48.738092][ T4563] dump_stack_lvl+0xf4/0x15c [ 48.738762][ T4563] dump_stack+0x1c/0x5c [ 48.739311][ T4563] should_fail+0x3bc/0x514 [ 48.739948][ T4563] __should_failslab+0xbc/0x10c [ 48.740588][ T4563] should_failslab+0x10/0x28 [ 48.741232][ T4563] slab_pre_alloc_hook+0x64/0xe8 [ 48.741919][ T4563] kmem_cache_alloc+0x94/0x3d4 [ 48.742612][ T4563] btrfs_alloc_path+0x5c/0x68 [ 48.743286][ T4563] btrfs_uuid_tree_remove+0x140/0x484 [ 48.744009][ T4563] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 48.744877][ T4563] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 48.745800][ T4563] btrfs_ioctl+0x9d0/0xa8c [ 48.746445][ T4563] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.747136][ T4563] invoke_syscall+0x98/0x2b0 [ 48.747824][ T4563] el0_svc_common+0x138/0x258 [ 48.748506][ T4563] do_el0_svc+0x58/0x13c [ 48.749115][ T4563] el0_svc+0x78/0x1d0 [ 48.749670][ T4563] el0t_64_sync_handler+0xcc/0xe4 [ 48.750357][ T4563] el0t_64_sync+0x1a0/0x1a4 [ 48.753080][ T4563] ------------[ cut here ]------------ [ 48.755013][ T4563] WARNING: CPU: 0 PID: 4563 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 48.756685][ T4563] Modules linked in: [ 48.757310][ T4563] CPU: 0 PID: 4563 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 48.758787][ T4563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.760322][ T4563] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.761427][ T4563] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 48.762434][ T4563] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 48.763356][ T4563] sp : ffff80001f967bf0 [ 48.763958][ T4563] x29: ffff80001f967c30 x28: dfff800000000000 x27: ffff0000d8e64000 [ 48.765067][ T4563] x26: ffff0000c0ec213f x25: ffff0000de8bb370 x24: ffff0000c0ec215f [ 48.766166][ T4563] x23: 00000000fffffff4 x22: 1fffe0001bd17679 x21: ffff0000de8bb3c8 [ 48.767370][ T4563] x20: 00000000fffffff4 x19: ffff0000dab5d680 x18: 0000000000000001 [ 48.768525][ T4563] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 48.769744][ T4563] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 48.770896][ T4563] x11: 0000000000000000 x10: 0000000000000000 x9 : b0e50b6a70b83f00 [ 48.772045][ T4563] x8 : b0e50b6a70b83f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.773173][ T4563] x5 : ffff80001f9674f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 48.774275][ T4563] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.775427][ T4563] Call trace: [ 48.775866][ T4563] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 48.776780][ T4563] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 48.777639][ T4563] btrfs_ioctl+0x9d0/0xa8c [ 48.778288][ T4563] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.778992][ T4563] invoke_syscall+0x98/0x2b0 [ 48.779640][ T4563] el0_svc_common+0x138/0x258 [ 48.780327][ T4563] do_el0_svc+0x58/0x13c [ 48.780939][ T4563] el0_svc+0x78/0x1d0 [ 48.781460][ T4563] el0t_64_sync_handler+0xcc/0xe4 [ 48.782207][ T4563] el0t_64_sync+0x1a0/0x1a4 [ 48.782856][ T4563] irq event stamp: 80048 [ 48.783426][ T4563] hardirqs last enabled at (80047): [] __up_console_sem+0xb4/0xfc [ 48.784774][ T4563] hardirqs last disabled at (80048): [] el1_dbg+0x24/0x80 [ 48.786049][ T4563] softirqs last enabled at (80024): [] handle_softirqs+0xa40/0xbe4 [ 48.787377][ T4563] softirqs last disabled at (79943): [] __irq_exit_rcu+0x240/0x43c [ 48.788810][ T4563] ---[ end trace 52507aa86c71e98f ]--- [ 48.792680][ T4563] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 48.794576][ T4563] BTRFS info (device loop0): forced readonly [ 48.978477][ T4634] loop0: detected capacity change from 0 to 32768 [ 48.983266][ T4634] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4634) [ 48.988645][ T4634] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 48.990232][ T4634] BTRFS info (device loop0): using free space tree [ 48.991386][ T4634] BTRFS info (device loop0): has skinny extents [ 49.053876][ T4634] BTRFS info (device loop0): enabling ssd optimizations [ 49.065848][ T4634] FAULT_INJECTION: forcing a failure. [ 49.065848][ T4634] name failslab, interval 1, probability 0, space 0, times 0 [ 49.067638][ T4634] CPU: 1 PID: 4634 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.068878][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.070443][ T4634] Call trace: [ 49.071029][ T4634] dump_backtrace+0x0/0x458 [ 49.071764][ T4634] show_stack+0x2c/0x3c [ 49.072325][ T4634] __dump_stack+0x30/0x40 [ 49.072985][ T4634] dump_stack_lvl+0xf4/0x15c [ 49.073630][ T4634] dump_stack+0x1c/0x5c [ 49.074253][ T4634] should_fail+0x3bc/0x514 [ 49.074901][ T4634] __should_failslab+0xbc/0x10c [ 49.075664][ T4634] should_failslab+0x10/0x28 [ 49.076373][ T4634] slab_pre_alloc_hook+0x64/0xe8 [ 49.077183][ T4634] kmem_cache_alloc+0x94/0x3d4 [ 49.077945][ T4634] btrfs_alloc_path+0x5c/0x68 [ 49.078629][ T4634] btrfs_uuid_tree_remove+0x140/0x484 [ 49.079406][ T4634] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 49.080371][ T4634] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 49.081202][ T4634] btrfs_ioctl+0x9d0/0xa8c [ 49.081836][ T4634] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.082629][ T4634] invoke_syscall+0x98/0x2b0 [ 49.083329][ T4634] el0_svc_common+0x138/0x258 [ 49.084043][ T4634] do_el0_svc+0x58/0x13c [ 49.084709][ T4634] el0_svc+0x78/0x1d0 [ 49.085351][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 49.086141][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 49.103407][ T4634] ------------[ cut here ]------------ [ 49.115406][ T4634] WARNING: CPU: 1 PID: 4634 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.117136][ T4634] Modules linked in: [ 49.117759][ T4634] CPU: 1 PID: 4634 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.119146][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.120678][ T4634] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.121817][ T4634] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.122793][ T4634] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.123827][ T4634] sp : ffff80001fe57bf0 [ 49.124501][ T4634] x29: ffff80001fe57c30 x28: dfff800000000000 x27: ffff0000dbb50000 [ 49.125730][ T4634] x26: ffff0000dbe1a13f x25: ffff0000de91f160 x24: ffff0000dbe1a15f [ 49.126916][ T4634] x23: 00000000fffffff4 x22: 1fffe0001bd23e37 x21: ffff0000de91f1b8 [ 49.128127][ T4634] x20: 00000000fffffff4 x19: ffff0000cbb5b180 x18: 0000000000000001 [ 49.129279][ T4634] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 49.130562][ T4634] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 49.131757][ T4634] x11: 0000000000000000 x10: 0000000000000000 x9 : 3ea5ba09ee76b300 [ 49.133031][ T4634] x8 : 3ea5ba09ee76b300 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.134229][ T4634] x5 : ffff80001fe574f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 49.135428][ T4634] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.136629][ T4634] Call trace: [ 49.137149][ T4634] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.138112][ T4634] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 49.139043][ T4634] btrfs_ioctl+0x9d0/0xa8c [ 49.139695][ T4634] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.140412][ T4634] invoke_syscall+0x98/0x2b0 [ 49.141091][ T4634] el0_svc_common+0x138/0x258 [ 49.141802][ T4634] do_el0_svc+0x58/0x13c [ 49.142464][ T4634] el0_svc+0x78/0x1d0 [ 49.143062][ T4634] el0t_64_sync_handler+0xcc/0xe4 [ 49.143828][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 49.144521][ T4634] irq event stamp: 80600 [ 49.145134][ T4634] hardirqs last enabled at (80599): [] __up_console_sem+0xb4/0xfc [ 49.146521][ T4634] hardirqs last disabled at (80600): [] el1_dbg+0x24/0x80 [ 49.147735][ T4634] softirqs last enabled at (80588): [] handle_softirqs+0xa40/0xbe4 [ 49.149177][ T4634] softirqs last disabled at (80529): [] __irq_exit_rcu+0x240/0x43c [ 49.150564][ T4634] ---[ end trace 52507aa86c71e990 ]--- [ 49.152992][ T4634] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 49.154794][ T4634] BTRFS info (device loop0): forced readonly [ 49.356483][ T4686] loop0: detected capacity change from 0 to 32768 [ 49.360803][ T4686] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4686) [ 49.365862][ T4686] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.367385][ T4686] BTRFS info (device loop0): using free space tree [ 49.368367][ T4686] BTRFS info (device loop0): has skinny extents [ 49.379754][ T4686] BTRFS info (device loop0): enabling ssd optimizations [ 49.385683][ T4686] FAULT_INJECTION: forcing a failure. [ 49.385683][ T4686] name failslab, interval 1, probability 0, space 0, times 0 [ 49.387916][ T4686] CPU: 0 PID: 4686 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.389226][ T4686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.390746][ T4686] Call trace: [ 49.391253][ T4686] dump_backtrace+0x0/0x458 [ 49.391899][ T4686] show_stack+0x2c/0x3c [ 49.392601][ T4686] __dump_stack+0x30/0x40 [ 49.393265][ T4686] dump_stack_lvl+0xf4/0x15c [ 49.393966][ T4686] dump_stack+0x1c/0x5c [ 49.394586][ T4686] should_fail+0x3bc/0x514 [ 49.395282][ T4686] __should_failslab+0xbc/0x10c [ 49.396043][ T4686] should_failslab+0x10/0x28 [ 49.396706][ T4686] slab_pre_alloc_hook+0x64/0xe8 [ 49.397470][ T4686] kmem_cache_alloc+0x94/0x3d4 [ 49.398226][ T4686] btrfs_alloc_path+0x5c/0x68 [ 49.398895][ T4686] btrfs_uuid_tree_remove+0x140/0x484 [ 49.399712][ T4686] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 49.400650][ T4686] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 49.401581][ T4686] btrfs_ioctl+0x9d0/0xa8c [ 49.402242][ T4686] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.402978][ T4686] invoke_syscall+0x98/0x2b0 [ 49.403650][ T4686] el0_svc_common+0x138/0x258 [ 49.404365][ T4686] do_el0_svc+0x58/0x13c [ 49.405025][ T4686] el0_svc+0x78/0x1d0 [ 49.405661][ T4686] el0t_64_sync_handler+0xcc/0xe4 [ 49.406413][ T4686] el0t_64_sync+0x1a0/0x1a4 [ 49.408254][ T4686] ------------[ cut here ]------------ [ 49.409224][ T4686] WARNING: CPU: 0 PID: 4686 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.410753][ T4686] Modules linked in: [ 49.411412][ T4686] CPU: 0 PID: 4686 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.412893][ T4686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.414371][ T4686] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.415583][ T4686] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.416596][ T4686] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.417557][ T4686] sp : ffff80001f667bf0 [ 49.418182][ T4686] x29: ffff80001f667c30 x28: dfff800000000000 x27: ffff0000d24e8000 [ 49.419342][ T4686] x26: ffff0000caf6e13f x25: ffff0000de8bb4d0 x24: ffff0000caf6e15f [ 49.420496][ T4686] x23: 00000000fffffff4 x22: 1fffe0001bd176a5 x21: ffff0000de8bb528 [ 49.421720][ T4686] x20: 00000000fffffff4 x19: ffff0000db70b900 x18: 0000000000000001 [ 49.422928][ T4686] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 49.424204][ T4686] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 49.425459][ T4686] x11: 0000000000000000 x10: 0000000000000000 x9 : 6993862e04a32000 [ 49.426643][ T4686] x8 : 6993862e04a32000 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.427895][ T4686] x5 : ffff80001f6674f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 49.429121][ T4686] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.430311][ T4686] Call trace: [ 49.430806][ T4686] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.431807][ T4686] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 49.432714][ T4686] btrfs_ioctl+0x9d0/0xa8c [ 49.433356][ T4686] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.434065][ T4686] invoke_syscall+0x98/0x2b0 [ 49.434774][ T4686] el0_svc_common+0x138/0x258 [ 49.435467][ T4686] do_el0_svc+0x58/0x13c [ 49.436069][ T4686] el0_svc+0x78/0x1d0 [ 49.436644][ T4686] el0t_64_sync_handler+0xcc/0xe4 [ 49.437349][ T4686] el0t_64_sync+0x1a0/0x1a4 [ 49.438032][ T4686] irq event stamp: 79086 [ 49.438639][ T4686] hardirqs last enabled at (79085): [] __up_console_sem+0xb4/0xfc [ 49.440014][ T4686] hardirqs last disabled at (79086): [] el1_dbg+0x24/0x80 [ 49.441256][ T4686] softirqs last enabled at (79066): [] handle_softirqs+0xa40/0xbe4 [ 49.442695][ T4686] softirqs last disabled at (79045): [] __irq_exit_rcu+0x240/0x43c [ 49.444132][ T4686] ---[ end trace 52507aa86c71e991 ]--- [ 49.447353][ T4686] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 49.449055][ T4686] BTRFS info (device loop0): forced readonly [ 49.613485][ T4707] loop0: detected capacity change from 0 to 32768 [ 49.615849][ T4707] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4707) [ 49.619005][ T4707] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.620482][ T4707] BTRFS info (device loop0): using free space tree [ 49.621442][ T4707] BTRFS info (device loop0): has skinny extents [ 49.630846][ T4707] BTRFS info (device loop0): enabling ssd optimizations [ 49.635712][ T4707] FAULT_INJECTION: forcing a failure. [ 49.635712][ T4707] name failslab, interval 1, probability 0, space 0, times 0 [ 49.637595][ T4707] CPU: 0 PID: 4707 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.638923][ T4707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.640361][ T4707] Call trace: [ 49.640819][ T4707] dump_backtrace+0x0/0x458 [ 49.641439][ T4707] show_stack+0x2c/0x3c [ 49.642022][ T4707] __dump_stack+0x30/0x40 [ 49.642687][ T4707] dump_stack_lvl+0xf4/0x15c [ 49.643359][ T4707] dump_stack+0x1c/0x5c [ 49.643975][ T4707] should_fail+0x3bc/0x514 [ 49.644650][ T4707] __should_failslab+0xbc/0x10c [ 49.645338][ T4707] should_failslab+0x10/0x28 [ 49.646036][ T4707] slab_pre_alloc_hook+0x64/0xe8 [ 49.646810][ T4707] kmem_cache_alloc+0x94/0x3d4 [ 49.647525][ T4707] btrfs_alloc_path+0x5c/0x68 [ 49.648244][ T4707] btrfs_uuid_tree_remove+0x140/0x484 [ 49.649073][ T4707] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 49.650062][ T4707] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 49.650934][ T4707] btrfs_ioctl+0x9d0/0xa8c [ 49.651654][ T4707] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.652385][ T4707] invoke_syscall+0x98/0x2b0 [ 49.653132][ T4707] el0_svc_common+0x138/0x258 [ 49.653866][ T4707] do_el0_svc+0x58/0x13c [ 49.654523][ T4707] el0_svc+0x78/0x1d0 [ 49.655124][ T4707] el0t_64_sync_handler+0xcc/0xe4 [ 49.655838][ T4707] el0t_64_sync+0x1a0/0x1a4 [ 49.657847][ T4707] ------------[ cut here ]------------ [ 49.658900][ T4707] WARNING: CPU: 0 PID: 4707 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.660434][ T4707] Modules linked in: [ 49.660985][ T4707] CPU: 0 PID: 4707 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.662360][ T4707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.663821][ T4707] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.664921][ T4707] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.665857][ T4707] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.666781][ T4707] sp : ffff800020017bf0 [ 49.667429][ T4707] x29: ffff800020017c30 x28: dfff800000000000 x27: ffff0000d24e8000 [ 49.668627][ T4707] x26: ffff0000d27e213f x25: ffff0000de8bb630 x24: ffff0000d27e215f [ 49.669767][ T4707] x23: 00000000fffffff4 x22: 1fffe0001bd176d1 x21: ffff0000de8bb688 [ 49.670936][ T4707] x20: 00000000fffffff4 x19: ffff0000dce6aa00 x18: 0000000000000001 [ 49.672136][ T4707] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 49.673333][ T4707] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 49.674502][ T4707] x11: 0000000000000000 x10: 0000000000000000 x9 : 27f954ed2e91f600 [ 49.675750][ T4707] x8 : 27f954ed2e91f600 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.676894][ T4707] x5 : ffff8000200174f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 49.678036][ T4707] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.679157][ T4707] Call trace: [ 49.679614][ T4707] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.680535][ T4707] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 49.681435][ T4707] btrfs_ioctl+0x9d0/0xa8c [ 49.682101][ T4707] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.682834][ T4707] invoke_syscall+0x98/0x2b0 [ 49.683540][ T4707] el0_svc_common+0x138/0x258 [ 49.684194][ T4707] do_el0_svc+0x58/0x13c [ 49.684871][ T4707] el0_svc+0x78/0x1d0 [ 49.685448][ T4707] el0t_64_sync_handler+0xcc/0xe4 [ 49.686190][ T4707] el0t_64_sync+0x1a0/0x1a4 [ 49.686823][ T4707] irq event stamp: 78846 [ 49.687393][ T4707] hardirqs last enabled at (78845): [] __up_console_sem+0xb4/0xfc [ 49.688828][ T4707] hardirqs last disabled at (78846): [] el1_dbg+0x24/0x80 [ 49.690135][ T4707] softirqs last enabled at (78826): [] handle_softirqs+0xa40/0xbe4 [ 49.691579][ T4707] softirqs last disabled at (78807): [] __irq_exit_rcu+0x240/0x43c [ 49.692935][ T4707] ---[ end trace 52507aa86c71e992 ]--- [ 49.695345][ T4707] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 49.696979][ T4707] BTRFS info (device loop0): forced readonly [ 49.902764][ T4728] loop0: detected capacity change from 0 to 32768 [ 49.905668][ T4728] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4728) [ 49.908892][ T4728] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.910255][ T4728] BTRFS info (device loop0): using free space tree [ 49.911218][ T4728] BTRFS info (device loop0): has skinny extents [ 49.919851][ T4728] BTRFS info (device loop0): enabling ssd optimizations [ 49.925551][ T4728] FAULT_INJECTION: forcing a failure. [ 49.925551][ T4728] name failslab, interval 1, probability 0, space 0, times 0 [ 49.927610][ T4728] CPU: 0 PID: 4728 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.928972][ T4728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.930542][ T4728] Call trace: [ 49.931022][ T4728] dump_backtrace+0x0/0x458 [ 49.931638][ T4728] show_stack+0x2c/0x3c [ 49.932238][ T4728] __dump_stack+0x30/0x40 [ 49.932889][ T4728] dump_stack_lvl+0xf4/0x15c [ 49.933587][ T4728] dump_stack+0x1c/0x5c [ 49.934228][ T4728] should_fail+0x3bc/0x514 [ 49.934855][ T4728] __should_failslab+0xbc/0x10c [ 49.935612][ T4728] should_failslab+0x10/0x28 [ 49.936286][ T4728] slab_pre_alloc_hook+0x64/0xe8 [ 49.937038][ T4728] kmem_cache_alloc+0x94/0x3d4 [ 49.937771][ T4728] btrfs_alloc_path+0x5c/0x68 [ 49.938492][ T4728] btrfs_uuid_tree_remove+0x140/0x484 [ 49.939285][ T4728] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 49.940230][ T4728] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 49.941119][ T4728] btrfs_ioctl+0x9d0/0xa8c [ 49.941781][ T4728] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.942625][ T4728] invoke_syscall+0x98/0x2b0 [ 49.943279][ T4728] el0_svc_common+0x138/0x258 [ 49.944019][ T4728] do_el0_svc+0x58/0x13c [ 49.944637][ T4728] el0_svc+0x78/0x1d0 [ 49.945193][ T4728] el0t_64_sync_handler+0xcc/0xe4 [ 49.945960][ T4728] el0t_64_sync+0x1a0/0x1a4 [ 49.947692][ T4728] ------------[ cut here ]------------ [ 49.948653][ T4728] WARNING: CPU: 0 PID: 4728 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.950314][ T4728] Modules linked in: [ 49.950891][ T4728] CPU: 0 PID: 4728 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 49.952221][ T4728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.953735][ T4728] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.954896][ T4728] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.955889][ T4728] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.956922][ T4728] sp : ffff8000201c7bf0 [ 49.957515][ T4728] x29: ffff8000201c7c30 x28: dfff800000000000 x27: ffff0000d0564000 [ 49.958666][ T4728] x26: ffff0000d577013f x25: ffff0000de8bb790 x24: ffff0000d577015f [ 49.959917][ T4728] x23: 00000000fffffff4 x22: 1fffe0001bd176fd x21: ffff0000de8bb7e8 [ 49.961066][ T4728] x20: 00000000fffffff4 x19: ffff0000dcfb3900 x18: 0000000000000001 [ 49.962184][ T4728] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 49.963389][ T4728] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 49.964558][ T4728] x11: 0000000000000000 x10: 0000000000000000 x9 : c4b8663658b52600 [ 49.965751][ T4728] x8 : c4b8663658b52600 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.966956][ T4728] x5 : ffff8000201c74f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 49.968173][ T4728] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.969396][ T4728] Call trace: [ 49.969885][ T4728] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 49.970836][ T4728] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 49.971769][ T4728] btrfs_ioctl+0x9d0/0xa8c [ 49.972435][ T4728] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.973169][ T4728] invoke_syscall+0x98/0x2b0 [ 49.973842][ T4728] el0_svc_common+0x138/0x258 [ 49.974570][ T4728] do_el0_svc+0x58/0x13c [ 49.975179][ T4728] el0_svc+0x78/0x1d0 [ 49.975745][ T4728] el0t_64_sync_handler+0xcc/0xe4 [ 49.976485][ T4728] el0t_64_sync+0x1a0/0x1a4 [ 49.977155][ T4728] irq event stamp: 79108 [ 49.977766][ T4728] hardirqs last enabled at (79107): [] __up_console_sem+0xb4/0xfc [ 49.979170][ T4728] hardirqs last disabled at (79108): [] el1_dbg+0x24/0x80 [ 49.980566][ T4728] softirqs last enabled at (79088): [] handle_softirqs+0xa40/0xbe4 [ 49.981953][ T4728] softirqs last disabled at (79063): [] __irq_exit_rcu+0x240/0x43c [ 49.983370][ T4728] ---[ end trace 52507aa86c71e993 ]--- [ 49.985227][ T4728] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 49.986899][ T4728] BTRFS info (device loop0): forced readonly [ 50.175489][ T4750] loop0: detected capacity change from 0 to 32768 [ 50.179213][ T4750] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4750) [ 50.188454][ T4750] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.189879][ T4750] BTRFS info (device loop0): using free space tree [ 50.190934][ T4750] BTRFS info (device loop0): has skinny extents [ 50.204743][ T4750] BTRFS info (device loop0): enabling ssd optimizations [ 50.209729][ T4750] FAULT_INJECTION: forcing a failure. [ 50.209729][ T4750] name failslab, interval 1, probability 0, space 0, times 0 [ 50.211880][ T4750] CPU: 1 PID: 4750 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.213315][ T4750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.214918][ T4750] Call trace: [ 50.215475][ T4750] dump_backtrace+0x0/0x458 [ 50.216222][ T4750] show_stack+0x2c/0x3c [ 50.216890][ T4750] __dump_stack+0x30/0x40 [ 50.217600][ T4750] dump_stack_lvl+0xf4/0x15c [ 50.218324][ T4750] dump_stack+0x1c/0x5c [ 50.219018][ T4750] should_fail+0x3bc/0x514 [ 50.219790][ T4750] __should_failslab+0xbc/0x10c [ 50.220515][ T4750] should_failslab+0x10/0x28 [ 50.221238][ T4750] slab_pre_alloc_hook+0x64/0xe8 [ 50.221980][ T4750] kmem_cache_alloc+0x94/0x3d4 [ 50.222700][ T4750] btrfs_alloc_path+0x5c/0x68 [ 50.223411][ T4750] btrfs_uuid_tree_remove+0x140/0x484 [ 50.224237][ T4750] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 50.225150][ T4750] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 50.226111][ T4750] btrfs_ioctl+0x9d0/0xa8c [ 50.226880][ T4750] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.227634][ T4750] invoke_syscall+0x98/0x2b0 [ 50.228292][ T4750] el0_svc_common+0x138/0x258 [ 50.229001][ T4750] do_el0_svc+0x58/0x13c [ 50.229601][ T4750] el0_svc+0x78/0x1d0 [ 50.230269][ T4750] el0t_64_sync_handler+0xcc/0xe4 [ 50.231049][ T4750] el0t_64_sync+0x1a0/0x1a4 [ 50.233091][ T4750] ------------[ cut here ]------------ [ 50.234109][ T4750] WARNING: CPU: 1 PID: 4750 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 50.235716][ T4750] Modules linked in: [ 50.236267][ T4750] CPU: 1 PID: 4750 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.237622][ T4750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.239105][ T4750] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.240292][ T4750] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 50.241261][ T4750] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 50.242292][ T4750] sp : ffff800020237bf0 [ 50.242889][ T4750] x29: ffff800020237c30 x28: dfff800000000000 x27: ffff0000d6200000 [ 50.244089][ T4750] x26: ffff0000d629613f x25: ffff0000de91f2c0 x24: ffff0000d629615f [ 50.245301][ T4750] x23: 00000000fffffff4 x22: 1fffe0001bd23e63 x21: ffff0000de91f318 [ 50.246563][ T4750] x20: 00000000fffffff4 x19: ffff0000d4466a00 x18: 0000000000000001 [ 50.247736][ T4750] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 50.248875][ T4750] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 50.250090][ T4750] x11: 0000000000000000 x10: 0000000000000000 x9 : bc7c1c4f0d01f500 [ 50.251269][ T4750] x8 : bc7c1c4f0d01f500 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.252503][ T4750] x5 : ffff8000202374f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 50.253699][ T4750] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.254913][ T4750] Call trace: [ 50.255504][ T4750] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 50.256408][ T4750] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 50.257304][ T4750] btrfs_ioctl+0x9d0/0xa8c [ 50.257931][ T4750] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.258663][ T4750] invoke_syscall+0x98/0x2b0 [ 50.259327][ T4750] el0_svc_common+0x138/0x258 [ 50.260022][ T4750] do_el0_svc+0x58/0x13c [ 50.260670][ T4750] el0_svc+0x78/0x1d0 [ 50.261219][ T4750] el0t_64_sync_handler+0xcc/0xe4 [ 50.261974][ T4750] el0t_64_sync+0x1a0/0x1a4 [ 50.262673][ T4750] irq event stamp: 79298 [ 50.263292][ T4750] hardirqs last enabled at (79297): [] __up_console_sem+0xb4/0xfc [ 50.264778][ T4750] hardirqs last disabled at (79298): [] el1_dbg+0x24/0x80 [ 50.266130][ T4750] softirqs last enabled at (79278): [] handle_softirqs+0xa40/0xbe4 [ 50.267498][ T4750] softirqs last disabled at (79205): [] __irq_exit_rcu+0x240/0x43c [ 50.268936][ T4750] ---[ end trace 52507aa86c71e994 ]--- [ 50.270667][ T4750] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 50.272413][ T4750] BTRFS info (device loop0): forced readonly [ 50.466692][ T4771] loop0: detected capacity change from 0 to 32768 [ 50.469194][ T4771] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4771) [ 50.472379][ T4771] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.473871][ T4771] BTRFS info (device loop0): using free space tree [ 50.475088][ T4771] BTRFS info (device loop0): has skinny extents [ 50.486524][ T4771] BTRFS info (device loop0): enabling ssd optimizations [ 50.496949][ T4771] FAULT_INJECTION: forcing a failure. [ 50.496949][ T4771] name failslab, interval 1, probability 0, space 0, times 0 [ 50.499141][ T4771] CPU: 1 PID: 4771 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.500583][ T4771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.502179][ T4771] Call trace: [ 50.502665][ T4771] dump_backtrace+0x0/0x458 [ 50.503371][ T4771] show_stack+0x2c/0x3c [ 50.503993][ T4771] __dump_stack+0x30/0x40 [ 50.504634][ T4771] dump_stack_lvl+0xf4/0x15c [ 50.505305][ T4771] dump_stack+0x1c/0x5c [ 50.505912][ T4771] should_fail+0x3bc/0x514 [ 50.506581][ T4771] __should_failslab+0xbc/0x10c [ 50.507295][ T4771] should_failslab+0x10/0x28 [ 50.508011][ T4771] slab_pre_alloc_hook+0x64/0xe8 [ 50.508711][ T4771] kmem_cache_alloc+0x94/0x3d4 [ 50.509400][ T4771] btrfs_alloc_path+0x5c/0x68 [ 50.510125][ T4771] btrfs_uuid_tree_remove+0x140/0x484 [ 50.511040][ T4771] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 50.511952][ T4771] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 50.512823][ T4771] btrfs_ioctl+0x9d0/0xa8c [ 50.513512][ T4771] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.514260][ T4771] invoke_syscall+0x98/0x2b0 [ 50.514939][ T4771] el0_svc_common+0x138/0x258 [ 50.515599][ T4771] do_el0_svc+0x58/0x13c [ 50.516352][ T4771] el0_svc+0x78/0x1d0 [ 50.516978][ T4771] el0t_64_sync_handler+0xcc/0xe4 [ 50.517726][ T4771] el0t_64_sync+0x1a0/0x1a4 [ 50.518580][ T4771] ------------[ cut here ]------------ [ 50.520020][ T4771] WARNING: CPU: 1 PID: 4771 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 50.521692][ T4771] Modules linked in: [ 50.522288][ T4771] CPU: 1 PID: 4771 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.523641][ T4771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.525092][ T4771] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.526295][ T4771] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 50.527289][ T4771] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 50.528285][ T4771] sp : ffff80001fe57bf0 [ 50.528876][ T4771] x29: ffff80001fe57c30 x28: dfff800000000000 x27: ffff0000dae04000 [ 50.530099][ T4771] x26: ffff0000d672413f x25: ffff0000de91f420 x24: ffff0000d672415f [ 50.531355][ T4771] x23: 00000000fffffff4 x22: 1fffe0001bd23e8f x21: ffff0000de91f478 [ 50.532585][ T4771] x20: 00000000fffffff4 x19: ffff0000c9f66000 x18: 0000000000000001 [ 50.533834][ T4771] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 50.534997][ T4771] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 50.536247][ T4771] x11: 0000000000000000 x10: 0000000000000000 x9 : c411f2d2037c4700 [ 50.537484][ T4771] x8 : c411f2d2037c4700 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.538663][ T4771] x5 : ffff80001fe574f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 50.539910][ T4771] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.541101][ T4771] Call trace: [ 50.541566][ T4771] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 50.542450][ T4771] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 50.543400][ T4771] btrfs_ioctl+0x9d0/0xa8c [ 50.544040][ T4771] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.544846][ T4771] invoke_syscall+0x98/0x2b0 [ 50.545507][ T4771] el0_svc_common+0x138/0x258 [ 50.546210][ T4771] do_el0_svc+0x58/0x13c [ 50.546891][ T4771] el0_svc+0x78/0x1d0 [ 50.547493][ T4771] el0t_64_sync_handler+0xcc/0xe4 [ 50.548244][ T4771] el0t_64_sync+0x1a0/0x1a4 [ 50.548935][ T4771] irq event stamp: 79594 [ 50.549544][ T4771] hardirqs last enabled at (79593): [] __up_console_sem+0xb4/0xfc [ 50.550996][ T4771] hardirqs last disabled at (79594): [] el1_dbg+0x24/0x80 [ 50.552302][ T4771] softirqs last enabled at (79570): [] handle_softirqs+0xa40/0xbe4 [ 50.553705][ T4771] softirqs last disabled at (79559): [] __irq_exit_rcu+0x240/0x43c [ 50.555074][ T4771] ---[ end trace 52507aa86c71e995 ]--- [ 50.556662][ T4771] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 50.558276][ T4771] BTRFS info (device loop0): forced readonly [ 50.724579][ T4486] Bluetooth: hci0: command 0x041b tx timeout [ 50.726078][ T4792] loop0: detected capacity change from 0 to 32768 [ 50.730339][ T4792] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4792) [ 50.735582][ T4792] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.736976][ T4792] BTRFS info (device loop0): using free space tree [ 50.738025][ T4792] BTRFS info (device loop0): has skinny extents [ 50.746732][ T4792] BTRFS info (device loop0): enabling ssd optimizations [ 50.754781][ T4792] FAULT_INJECTION: forcing a failure. [ 50.754781][ T4792] name failslab, interval 1, probability 0, space 0, times 0 [ 50.756887][ T4792] CPU: 0 PID: 4792 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.758220][ T4792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.759772][ T4792] Call trace: [ 50.760283][ T4792] dump_backtrace+0x0/0x458 [ 50.760985][ T4792] show_stack+0x2c/0x3c [ 50.761586][ T4792] __dump_stack+0x30/0x40 [ 50.762270][ T4792] dump_stack_lvl+0xf4/0x15c [ 50.763023][ T4792] dump_stack+0x1c/0x5c [ 50.763631][ T4792] should_fail+0x3bc/0x514 [ 50.764300][ T4792] __should_failslab+0xbc/0x10c [ 50.765009][ T4792] should_failslab+0x10/0x28 [ 50.765667][ T4792] slab_pre_alloc_hook+0x64/0xe8 [ 50.766393][ T4792] kmem_cache_alloc+0x94/0x3d4 [ 50.767108][ T4792] btrfs_alloc_path+0x5c/0x68 [ 50.767814][ T4792] btrfs_uuid_tree_remove+0x140/0x484 [ 50.768601][ T4792] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 50.769554][ T4792] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 50.770444][ T4792] btrfs_ioctl+0x9d0/0xa8c [ 50.771075][ T4792] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.771787][ T4792] invoke_syscall+0x98/0x2b0 [ 50.772449][ T4792] el0_svc_common+0x138/0x258 [ 50.773136][ T4792] do_el0_svc+0x58/0x13c [ 50.773750][ T4792] el0_svc+0x78/0x1d0 [ 50.774305][ T4792] el0t_64_sync_handler+0xcc/0xe4 [ 50.775053][ T4792] el0t_64_sync+0x1a0/0x1a4 [ 50.777535][ T4792] ------------[ cut here ]------------ [ 50.778506][ T4792] WARNING: CPU: 0 PID: 4792 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 50.779962][ T4792] Modules linked in: [ 50.780546][ T4792] CPU: 0 PID: 4792 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 50.781847][ T4792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.783234][ T4792] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 50.784404][ T4792] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 50.785338][ T4792] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 50.786324][ T4792] sp : ffff800020527bf0 [ 50.786907][ T4792] x29: ffff800020527c30 x28: dfff800000000000 x27: ffff0000d65cc000 [ 50.788072][ T4792] x26: ffff0000db6f413f x25: ffff0000de8bb8f0 x24: ffff0000db6f415f [ 50.789158][ T4792] x23: 00000000fffffff4 x22: 1fffe0001bd17729 x21: ffff0000de8bb948 [ 50.790293][ T4792] x20: 00000000fffffff4 x19: ffff0000db870280 x18: 0000000000000001 [ 50.791463][ T4792] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 50.792750][ T4792] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 50.793944][ T4792] x11: 0000000000000000 x10: 0000000000000000 x9 : 54c31fef8921e600 [ 50.795102][ T4792] x8 : 54c31fef8921e600 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.796322][ T4792] x5 : ffff8000205274f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 50.797515][ T4792] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.798630][ T4792] Call trace: [ 50.799135][ T4792] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 50.800069][ T4792] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 50.800956][ T4792] btrfs_ioctl+0x9d0/0xa8c [ 50.801594][ T4792] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.802358][ T4792] invoke_syscall+0x98/0x2b0 [ 50.803030][ T4792] el0_svc_common+0x138/0x258 [ 50.803743][ T4792] do_el0_svc+0x58/0x13c [ 50.804336][ T4792] el0_svc+0x78/0x1d0 [ 50.804943][ T4792] el0t_64_sync_handler+0xcc/0xe4 [ 50.805727][ T4792] el0t_64_sync+0x1a0/0x1a4 [ 50.806380][ T4792] irq event stamp: 79352 [ 50.807028][ T4792] hardirqs last enabled at (79351): [] __up_console_sem+0xb4/0xfc [ 50.808366][ T4792] hardirqs last disabled at (79352): [] el1_dbg+0x24/0x80 [ 50.809623][ T4792] softirqs last enabled at (79332): [] handle_softirqs+0xa40/0xbe4 [ 50.810979][ T4792] softirqs last disabled at (79311): [] __irq_exit_rcu+0x240/0x43c [ 50.812394][ T4792] ---[ end trace 52507aa86c71e996 ]--- [ 50.814109][ T4792] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 50.815612][ T4792] BTRFS info (device loop0): forced readonly [ 50.989467][ T4813] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4813) [ 50.993433][ T4813] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.994912][ T4813] BTRFS info (device loop0): using free space tree [ 50.995855][ T4813] BTRFS info (device loop0): has skinny extents [ 51.002906][ T4813] BTRFS info (device loop0): enabling ssd optimizations [ 51.013160][ T4813] FAULT_INJECTION: forcing a failure. [ 51.013160][ T4813] name failslab, interval 1, probability 0, space 0, times 0 [ 51.015320][ T4813] CPU: 0 PID: 4813 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.016754][ T4813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.018359][ T4813] Call trace: [ 51.018862][ T4813] dump_backtrace+0x0/0x458 [ 51.019525][ T4813] show_stack+0x2c/0x3c [ 51.020099][ T4813] __dump_stack+0x30/0x40 [ 51.020746][ T4813] dump_stack_lvl+0xf4/0x15c [ 51.021434][ T4813] dump_stack+0x1c/0x5c [ 51.022048][ T4813] should_fail+0x3bc/0x514 [ 51.022700][ T4813] __should_failslab+0xbc/0x10c [ 51.023494][ T4813] should_failslab+0x10/0x28 [ 51.024156][ T4813] slab_pre_alloc_hook+0x64/0xe8 [ 51.024860][ T4813] kmem_cache_alloc+0x94/0x3d4 [ 51.025566][ T4813] btrfs_alloc_path+0x5c/0x68 [ 51.026273][ T4813] btrfs_uuid_tree_remove+0x140/0x484 [ 51.027108][ T4813] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 51.028044][ T4813] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 51.028980][ T4813] btrfs_ioctl+0x9d0/0xa8c [ 51.029668][ T4813] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.030409][ T4813] invoke_syscall+0x98/0x2b0 [ 51.031108][ T4813] el0_svc_common+0x138/0x258 [ 51.031824][ T4813] do_el0_svc+0x58/0x13c [ 51.032529][ T4813] el0_svc+0x78/0x1d0 [ 51.033128][ T4813] el0t_64_sync_handler+0xcc/0xe4 [ 51.033867][ T4813] el0t_64_sync+0x1a0/0x1a4 [ 51.034759][ T4813] ------------[ cut here ]------------ [ 51.035647][ T4813] WARNING: CPU: 0 PID: 4813 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.037218][ T4813] Modules linked in: [ 51.037755][ T4813] CPU: 0 PID: 4813 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.039088][ T4813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.040731][ T4813] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.041924][ T4813] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.042850][ T4813] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.043873][ T4813] sp : ffff80001fe47bf0 [ 51.044471][ T4813] x29: ffff80001fe47c30 x28: dfff800000000000 x27: ffff0000cccb8000 [ 51.045700][ T4813] x26: ffff0000d7fc813f x25: ffff0000de8bba50 x24: ffff0000d7fc815f [ 51.046904][ T4813] x23: 00000000fffffff4 x22: 1fffe0001bd17755 x21: ffff0000de8bbaa8 [ 51.048160][ T4813] x20: 00000000fffffff4 x19: ffff0000d7d7d900 x18: 0000000000000001 [ 51.049337][ T4813] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 51.050557][ T4813] x14: 0000000000000001 x13: 1ffff00003fc8e9c x12: 0000000000ff0100 [ 51.051790][ T4813] x11: 0000000000000000 x10: 0000000000000000 x9 : 44f98a29104c4d00 [ 51.053044][ T4813] x8 : 44f98a29104c4d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.054198][ T4813] x5 : ffff80001fe474f8 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 51.055370][ T4813] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.056513][ T4813] Call trace: [ 51.056977][ T4813] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.057898][ T4813] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 51.058775][ T4813] btrfs_ioctl+0x9d0/0xa8c [ 51.059407][ T4813] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.060141][ T4813] invoke_syscall+0x98/0x2b0 [ 51.060801][ T4813] el0_svc_common+0x138/0x258 [ 51.061527][ T4813] do_el0_svc+0x58/0x13c [ 51.062151][ T4813] el0_svc+0x78/0x1d0 [ 51.062728][ T4813] el0t_64_sync_handler+0xcc/0xe4 [ 51.063486][ T4813] el0t_64_sync+0x1a0/0x1a4 [ 51.064166][ T4813] irq event stamp: 79722 [ 51.064836][ T4813] hardirqs last enabled at (79721): [] __up_console_sem+0xb4/0xfc [ 51.066227][ T4813] hardirqs last disabled at (79722): [] el1_dbg+0x24/0x80 [ 51.067481][ T4813] softirqs last enabled at (79702): [] handle_softirqs+0xa40/0xbe4 [ 51.068868][ T4813] softirqs last disabled at (79683): [] __irq_exit_rcu+0x240/0x43c [ 51.070367][ T4813] ---[ end trace 52507aa86c71e997 ]--- [ 51.071478][ T4813] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 51.073180][ T4813] BTRFS info (device loop0): forced readonly [ 51.236067][ T4834] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4834) [ 51.239243][ T4834] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.240661][ T4834] BTRFS info (device loop0): using free space tree [ 51.241666][ T4834] BTRFS info (device loop0): has skinny extents [ 51.253519][ T4834] BTRFS info (device loop0): enabling ssd optimizations [ 51.258374][ T4834] FAULT_INJECTION: forcing a failure. [ 51.258374][ T4834] name failslab, interval 1, probability 0, space 0, times 0 [ 51.260489][ T4834] CPU: 1 PID: 4834 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.261869][ T4834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.263458][ T4834] Call trace: [ 51.263972][ T4834] dump_backtrace+0x0/0x458 [ 51.264616][ T4834] show_stack+0x2c/0x3c [ 51.265256][ T4834] __dump_stack+0x30/0x40 [ 51.265936][ T4834] dump_stack_lvl+0xf4/0x15c [ 51.266652][ T4834] dump_stack+0x1c/0x5c [ 51.267277][ T4834] should_fail+0x3bc/0x514 [ 51.267968][ T4834] __should_failslab+0xbc/0x10c [ 51.268693][ T4834] should_failslab+0x10/0x28 [ 51.269342][ T4834] slab_pre_alloc_hook+0x64/0xe8 [ 51.270096][ T4834] kmem_cache_alloc+0x94/0x3d4 [ 51.270861][ T4834] btrfs_alloc_path+0x5c/0x68 [ 51.271605][ T4834] btrfs_uuid_tree_remove+0x140/0x484 [ 51.272354][ T4834] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 51.273252][ T4834] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 51.274173][ T4834] btrfs_ioctl+0x9d0/0xa8c [ 51.274795][ T4834] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.275489][ T4834] invoke_syscall+0x98/0x2b0 [ 51.276200][ T4834] el0_svc_common+0x138/0x258 [ 51.276865][ T4834] do_el0_svc+0x58/0x13c [ 51.277532][ T4834] el0_svc+0x78/0x1d0 [ 51.278072][ T4834] el0t_64_sync_handler+0xcc/0xe4 [ 51.278811][ T4834] el0t_64_sync+0x1a0/0x1a4 [ 51.279674][ T4834] ------------[ cut here ]------------ [ 51.280612][ T4834] WARNING: CPU: 1 PID: 4834 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.282233][ T4834] Modules linked in: [ 51.282797][ T4834] CPU: 1 PID: 4834 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.284226][ T4834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.285617][ T4834] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.286818][ T4834] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.287812][ T4834] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.288721][ T4834] sp : ffff800020667bf0 [ 51.289310][ T4834] x29: ffff800020667c30 x28: dfff800000000000 x27: ffff0000d5974000 [ 51.290542][ T4834] x26: ffff0000d09fe13f x25: ffff0000de91f580 x24: ffff0000d09fe15f [ 51.291774][ T4834] x23: 00000000fffffff4 x22: 1fffe0001bd23ebb x21: ffff0000de91f5d8 [ 51.293008][ T4834] x20: 00000000fffffff4 x19: ffff0000d7e44c80 x18: 0000000000000001 [ 51.294258][ T4834] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 51.295558][ T4834] x14: 0000000000000001 x13: 1ffff000040cce9c x12: 0000000000ff0100 [ 51.296827][ T4834] x11: 0000000000000000 x10: 0000000000000000 x9 : e3243b6dc5db2d00 [ 51.298009][ T4834] x8 : e3243b6dc5db2d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.299172][ T4834] x5 : ffff8000206674f8 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 51.300332][ T4834] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.301546][ T4834] Call trace: [ 51.302026][ T4834] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.302997][ T4834] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 51.303944][ T4834] btrfs_ioctl+0x9d0/0xa8c [ 51.304623][ T4834] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.305334][ T4834] invoke_syscall+0x98/0x2b0 [ 51.306073][ T4834] el0_svc_common+0x138/0x258 [ 51.306780][ T4834] do_el0_svc+0x58/0x13c [ 51.307452][ T4834] el0_svc+0x78/0x1d0 [ 51.308091][ T4834] el0t_64_sync_handler+0xcc/0xe4 [ 51.308834][ T4834] el0t_64_sync+0x1a0/0x1a4 [ 51.309520][ T4834] irq event stamp: 79770 [ 51.310157][ T4834] hardirqs last enabled at (79769): [] __up_console_sem+0xb4/0xfc [ 51.311643][ T4834] hardirqs last disabled at (79770): [] el1_dbg+0x24/0x80 [ 51.313041][ T4834] softirqs last enabled at (79750): [] handle_softirqs+0xa40/0xbe4 [ 51.314531][ T4834] softirqs last disabled at (79691): [] __irq_exit_rcu+0x240/0x43c [ 51.316000][ T4834] ---[ end trace 52507aa86c71e998 ]--- [ 51.317448][ T4834] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 51.319137][ T4834] BTRFS info (device loop0): forced readonly [ 51.517841][ T4855] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4855) [ 51.521230][ T4855] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.522654][ T4855] BTRFS info (device loop0): using free space tree [ 51.523645][ T4855] BTRFS info (device loop0): has skinny extents [ 51.537075][ T4855] BTRFS info (device loop0): enabling ssd optimizations [ 51.541972][ T4855] FAULT_INJECTION: forcing a failure. [ 51.541972][ T4855] name failslab, interval 1, probability 0, space 0, times 0 [ 51.544016][ T4855] CPU: 1 PID: 4855 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.545415][ T4855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.546853][ T4855] Call trace: [ 51.547355][ T4855] dump_backtrace+0x0/0x458 [ 51.548048][ T4855] show_stack+0x2c/0x3c [ 51.548656][ T4855] __dump_stack+0x30/0x40 [ 51.549494][ T4855] dump_stack_lvl+0xf4/0x15c [ 51.550219][ T4855] dump_stack+0x1c/0x5c [ 51.550931][ T4855] should_fail+0x3bc/0x514 [ 51.551623][ T4855] __should_failslab+0xbc/0x10c [ 51.552392][ T4855] should_failslab+0x10/0x28 [ 51.553150][ T4855] slab_pre_alloc_hook+0x64/0xe8 [ 51.553965][ T4855] kmem_cache_alloc+0x94/0x3d4 [ 51.554704][ T4855] btrfs_alloc_path+0x5c/0x68 [ 51.555381][ T4855] btrfs_uuid_tree_remove+0x140/0x484 [ 51.556184][ T4855] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 51.557169][ T4855] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 51.558073][ T4855] btrfs_ioctl+0x9d0/0xa8c [ 51.558737][ T4855] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.559474][ T4855] invoke_syscall+0x98/0x2b0 [ 51.560177][ T4855] el0_svc_common+0x138/0x258 [ 51.560929][ T4855] do_el0_svc+0x58/0x13c [ 51.561599][ T4855] el0_svc+0x78/0x1d0 [ 51.562183][ T4855] el0t_64_sync_handler+0xcc/0xe4 [ 51.562916][ T4855] el0t_64_sync+0x1a0/0x1a4 [ 51.564621][ T4855] ------------[ cut here ]------------ [ 51.565623][ T4855] WARNING: CPU: 1 PID: 4855 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.567228][ T4855] Modules linked in: [ 51.567860][ T4855] CPU: 1 PID: 4855 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.569267][ T4855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.570789][ T4855] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.571941][ T4855] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.572932][ T4855] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.573936][ T4855] sp : ffff8000208b7bf0 [ 51.574555][ T4855] x29: ffff8000208b7c30 x28: dfff800000000000 x27: ffff0000d5974000 [ 51.575732][ T4855] x26: ffff0000db9ee13f x25: ffff0000de91f6e0 x24: ffff0000db9ee15f [ 51.577006][ T4855] x23: 00000000fffffff4 x22: 1fffe0001bd23ee7 x21: ffff0000de91f738 [ 51.578205][ T4855] x20: 00000000fffffff4 x19: ffff0000c9de7400 x18: 0000000000000001 [ 51.579442][ T4855] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 51.580630][ T4855] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 51.581829][ T4855] x11: 0000000000000000 x10: 0000000000000000 x9 : 7d004e4314013900 [ 51.583033][ T4855] x8 : 7d004e4314013900 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.584232][ T4855] x5 : ffff8000208b74f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 51.585441][ T4855] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.586641][ T4855] Call trace: [ 51.587168][ T4855] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.588141][ T4855] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 51.589043][ T4855] btrfs_ioctl+0x9d0/0xa8c [ 51.589741][ T4855] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.590499][ T4855] invoke_syscall+0x98/0x2b0 [ 51.591226][ T4855] el0_svc_common+0x138/0x258 [ 51.591937][ T4855] do_el0_svc+0x58/0x13c [ 51.592588][ T4855] el0_svc+0x78/0x1d0 [ 51.593186][ T4855] el0t_64_sync_handler+0xcc/0xe4 [ 51.593947][ T4855] el0t_64_sync+0x1a0/0x1a4 [ 51.594648][ T4855] irq event stamp: 79542 [ 51.595291][ T4855] hardirqs last enabled at (79541): [] __up_console_sem+0xb4/0xfc [ 51.596704][ T4855] hardirqs last disabled at (79542): [] el1_dbg+0x24/0x80 [ 51.598019][ T4855] softirqs last enabled at (79522): [] handle_softirqs+0xa40/0xbe4 [ 51.599413][ T4855] softirqs last disabled at (79509): [] __irq_exit_rcu+0x240/0x43c [ 51.600788][ T4855] ---[ end trace 52507aa86c71e999 ]--- [ 51.602496][ T4855] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 51.605378][ T4855] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:51 executed programs: 13 [ 51.782018][ T4876] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4876) [ 51.788139][ T4876] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.789587][ T4876] BTRFS info (device loop0): using free space tree [ 51.790606][ T4876] BTRFS info (device loop0): has skinny extents [ 51.807396][ T4876] BTRFS info (device loop0): enabling ssd optimizations [ 51.813428][ T4876] FAULT_INJECTION: forcing a failure. [ 51.813428][ T4876] name failslab, interval 1, probability 0, space 0, times 0 [ 51.815844][ T4876] CPU: 0 PID: 4876 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.817281][ T4876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.818907][ T4876] Call trace: [ 51.819367][ T4876] dump_backtrace+0x0/0x458 [ 51.820030][ T4876] show_stack+0x2c/0x3c [ 51.820602][ T4876] __dump_stack+0x30/0x40 [ 51.821264][ T4876] dump_stack_lvl+0xf4/0x15c [ 51.821926][ T4876] dump_stack+0x1c/0x5c [ 51.822510][ T4876] should_fail+0x3bc/0x514 [ 51.823176][ T4876] __should_failslab+0xbc/0x10c [ 51.823844][ T4876] should_failslab+0x10/0x28 [ 51.824481][ T4876] slab_pre_alloc_hook+0x64/0xe8 [ 51.825270][ T4876] kmem_cache_alloc+0x94/0x3d4 [ 51.825980][ T4876] btrfs_alloc_path+0x5c/0x68 [ 51.826687][ T4876] btrfs_uuid_tree_remove+0x140/0x484 [ 51.827504][ T4876] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 51.828384][ T4876] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 51.829271][ T4876] btrfs_ioctl+0x9d0/0xa8c [ 51.829898][ T4876] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.830623][ T4876] invoke_syscall+0x98/0x2b0 [ 51.831316][ T4876] el0_svc_common+0x138/0x258 [ 51.831960][ T4876] do_el0_svc+0x58/0x13c [ 51.832601][ T4876] el0_svc+0x78/0x1d0 [ 51.833171][ T4876] el0t_64_sync_handler+0xcc/0xe4 [ 51.833931][ T4876] el0t_64_sync+0x1a0/0x1a4 [ 51.835826][ T4876] ------------[ cut here ]------------ [ 51.836774][ T4876] WARNING: CPU: 0 PID: 4876 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.838402][ T4876] Modules linked in: [ 51.839005][ T4876] CPU: 0 PID: 4876 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 51.840483][ T4876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.841973][ T4876] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.843084][ T4876] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.844072][ T4876] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.845055][ T4876] sp : ffff8000209d7bf0 [ 51.845670][ T4876] x29: ffff8000209d7c30 x28: dfff800000000000 x27: ffff0000db6e0000 [ 51.846893][ T4876] x26: ffff0000c129013f x25: ffff0000de8bbbb0 x24: ffff0000c129015f [ 51.848092][ T4876] x23: 00000000fffffff4 x22: 1fffe0001bd17781 x21: ffff0000de8bbc08 [ 51.849405][ T4876] x20: 00000000fffffff4 x19: ffff0000dc53af00 x18: 0000000000000001 [ 51.850633][ T4876] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 51.851875][ T4876] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 51.853067][ T4876] x11: 0000000000000000 x10: 0000000000000000 x9 : 98f56eca23898500 [ 51.854210][ T4876] x8 : 98f56eca23898500 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.855402][ T4876] x5 : ffff8000209d74f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 51.856545][ T4876] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.857680][ T4876] Call trace: [ 51.858160][ T4876] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 51.859091][ T4876] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 51.860030][ T4876] btrfs_ioctl+0x9d0/0xa8c [ 51.860635][ T4876] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.861347][ T4876] invoke_syscall+0x98/0x2b0 [ 51.861989][ T4876] el0_svc_common+0x138/0x258 [ 51.862730][ T4876] do_el0_svc+0x58/0x13c [ 51.863345][ T4876] el0_svc+0x78/0x1d0 [ 51.863903][ T4876] el0t_64_sync_handler+0xcc/0xe4 [ 51.864695][ T4876] el0t_64_sync+0x1a0/0x1a4 [ 51.865408][ T4876] irq event stamp: 80046 [ 51.866018][ T4876] hardirqs last enabled at (80045): [] __up_console_sem+0xb4/0xfc [ 51.867430][ T4876] hardirqs last disabled at (80046): [] el1_dbg+0x24/0x80 [ 51.868691][ T4876] softirqs last enabled at (80026): [] handle_softirqs+0xa40/0xbe4 [ 51.870085][ T4876] softirqs last disabled at (80011): [] __irq_exit_rcu+0x240/0x43c [ 51.871515][ T4876] ---[ end trace 52507aa86c71e99a ]--- [ 51.872795][ T4876] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 51.874540][ T4876] BTRFS info (device loop0): forced readonly [ 52.051074][ T4897] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4897) [ 52.055857][ T4897] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.057892][ T4897] BTRFS info (device loop0): using free space tree [ 52.058858][ T4897] BTRFS info (device loop0): has skinny extents [ 52.067988][ T4897] BTRFS info (device loop0): enabling ssd optimizations [ 52.074263][ T4897] FAULT_INJECTION: forcing a failure. [ 52.074263][ T4897] name failslab, interval 1, probability 0, space 0, times 0 [ 52.076335][ T4897] CPU: 1 PID: 4897 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.077558][ T4897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.079035][ T4897] Call trace: [ 52.079508][ T4897] dump_backtrace+0x0/0x458 [ 52.080117][ T4897] show_stack+0x2c/0x3c [ 52.080718][ T4897] __dump_stack+0x30/0x40 [ 52.081398][ T4897] dump_stack_lvl+0xf4/0x15c [ 52.082070][ T4897] dump_stack+0x1c/0x5c [ 52.082630][ T4897] should_fail+0x3bc/0x514 [ 52.083254][ T4897] __should_failslab+0xbc/0x10c [ 52.084090][ T4897] should_failslab+0x10/0x28 [ 52.084775][ T4897] slab_pre_alloc_hook+0x64/0xe8 [ 52.085523][ T4897] kmem_cache_alloc+0x94/0x3d4 [ 52.086232][ T4897] btrfs_alloc_path+0x5c/0x68 [ 52.086925][ T4897] btrfs_uuid_tree_remove+0x140/0x484 [ 52.087736][ T4897] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 52.088625][ T4897] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 52.089476][ T4897] btrfs_ioctl+0x9d0/0xa8c [ 52.090183][ T4897] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.090918][ T4897] invoke_syscall+0x98/0x2b0 [ 52.091644][ T4897] el0_svc_common+0x138/0x258 [ 52.092327][ T4897] do_el0_svc+0x58/0x13c [ 52.092956][ T4897] el0_svc+0x78/0x1d0 [ 52.093553][ T4897] el0t_64_sync_handler+0xcc/0xe4 [ 52.094253][ T4897] el0t_64_sync+0x1a0/0x1a4 [ 52.095945][ T4897] ------------[ cut here ]------------ [ 52.097009][ T4897] WARNING: CPU: 1 PID: 4897 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 52.098631][ T4897] Modules linked in: [ 52.099216][ T4897] CPU: 1 PID: 4897 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.100575][ T4897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.102068][ T4897] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.103197][ T4897] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 52.104202][ T4897] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 52.105150][ T4897] sp : ffff800020a17bf0 [ 52.105729][ T4897] x29: ffff800020a17c30 x28: dfff800000000000 x27: ffff0000c68a4000 [ 52.106968][ T4897] x26: ffff0000c27c813f x25: ffff0000de91f840 x24: ffff0000c27c815f [ 52.108126][ T4897] x23: 00000000fffffff4 x22: 1fffe0001bd23f13 x21: ffff0000de91f898 [ 52.109338][ T4897] x20: 00000000fffffff4 x19: ffff0000c849ef00 x18: 0000000000000001 [ 52.110493][ T4897] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 52.111667][ T4897] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 52.112878][ T4897] x11: 0000000000000000 x10: 0000000000000000 x9 : 03157a5504caa700 [ 52.113989][ T4897] x8 : 03157a5504caa700 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.115101][ T4897] x5 : ffff800020a174f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 52.116267][ T4897] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.117414][ T4897] Call trace: [ 52.117870][ T4897] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 52.118757][ T4897] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 52.119672][ T4897] btrfs_ioctl+0x9d0/0xa8c [ 52.120294][ T4897] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.120974][ T4897] invoke_syscall+0x98/0x2b0 [ 52.121686][ T4897] el0_svc_common+0x138/0x258 [ 52.122383][ T4897] do_el0_svc+0x58/0x13c [ 52.122963][ T4897] el0_svc+0x78/0x1d0 [ 52.123593][ T4897] el0t_64_sync_handler+0xcc/0xe4 [ 52.124358][ T4897] el0t_64_sync+0x1a0/0x1a4 [ 52.125002][ T4897] irq event stamp: 80100 [ 52.125622][ T4897] hardirqs last enabled at (80099): [] __up_console_sem+0xb4/0xfc [ 52.126949][ T4897] hardirqs last disabled at (80100): [] el1_dbg+0x24/0x80 [ 52.128202][ T4897] softirqs last enabled at (80080): [] handle_softirqs+0xa40/0xbe4 [ 52.129581][ T4897] softirqs last disabled at (79975): [] __irq_exit_rcu+0x240/0x43c [ 52.131002][ T4897] ---[ end trace 52507aa86c71e99b ]--- [ 52.133110][ T4897] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 52.134962][ T4897] BTRFS info (device loop0): forced readonly [ 52.319911][ T4918] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4918) [ 52.323241][ T4918] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.325061][ T4918] BTRFS info (device loop0): using free space tree [ 52.326214][ T4918] BTRFS info (device loop0): has skinny extents [ 52.335094][ T4918] BTRFS info (device loop0): enabling ssd optimizations [ 52.340554][ T4918] FAULT_INJECTION: forcing a failure. [ 52.340554][ T4918] name failslab, interval 1, probability 0, space 0, times 0 [ 52.342710][ T4918] CPU: 1 PID: 4918 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.344063][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.345504][ T4918] Call trace: [ 52.346007][ T4918] dump_backtrace+0x0/0x458 [ 52.346633][ T4918] show_stack+0x2c/0x3c [ 52.347234][ T4918] __dump_stack+0x30/0x40 [ 52.347891][ T4918] dump_stack_lvl+0xf4/0x15c [ 52.348540][ T4918] dump_stack+0x1c/0x5c [ 52.349195][ T4918] should_fail+0x3bc/0x514 [ 52.349874][ T4918] __should_failslab+0xbc/0x10c [ 52.350620][ T4918] should_failslab+0x10/0x28 [ 52.351293][ T4918] slab_pre_alloc_hook+0x64/0xe8 [ 52.352016][ T4918] kmem_cache_alloc+0x94/0x3d4 [ 52.352739][ T4918] btrfs_alloc_path+0x5c/0x68 [ 52.353516][ T4918] btrfs_uuid_tree_remove+0x140/0x484 [ 52.354372][ T4918] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 52.355300][ T4918] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 52.356202][ T4918] btrfs_ioctl+0x9d0/0xa8c [ 52.356855][ T4918] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.357585][ T4918] invoke_syscall+0x98/0x2b0 [ 52.358259][ T4918] el0_svc_common+0x138/0x258 [ 52.358950][ T4918] do_el0_svc+0x58/0x13c [ 52.359563][ T4918] el0_svc+0x78/0x1d0 [ 52.360165][ T4918] el0t_64_sync_handler+0xcc/0xe4 [ 52.360967][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 52.363108][ T4918] ------------[ cut here ]------------ [ 52.364018][ T4918] WARNING: CPU: 1 PID: 4918 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 52.365694][ T4918] Modules linked in: [ 52.366290][ T4918] CPU: 1 PID: 4918 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.367772][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.369306][ T4918] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.370448][ T4918] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 52.371415][ T4918] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 52.372317][ T4918] sp : ffff800020b27bf0 [ 52.372870][ T4918] x29: ffff800020b27c30 x28: dfff800000000000 x27: ffff0000c7fec000 [ 52.374071][ T4918] x26: ffff0000d15e413f x25: ffff0000de91f9a0 x24: ffff0000d15e415f [ 52.375278][ T4918] x23: 00000000fffffff4 x22: 1fffe0001bd23f3f x21: ffff0000de91f9f8 [ 52.376534][ T4918] x20: 00000000fffffff4 x19: ffff0000cf3dca00 x18: 0000000000000001 [ 52.377680][ T4918] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 52.378898][ T4918] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 52.380149][ T4918] x11: 0000000000000000 x10: 0000000000000000 x9 : 80a05bd25ebdf000 [ 52.381307][ T4918] x8 : 80a05bd25ebdf000 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.382509][ T4918] x5 : ffff800020b274f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 52.383755][ T4918] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.384910][ T4918] Call trace: [ 52.385399][ T4918] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 52.386315][ T4918] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 52.387199][ T4918] btrfs_ioctl+0x9d0/0xa8c [ 52.387843][ T4918] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.388610][ T4918] invoke_syscall+0x98/0x2b0 [ 52.389238][ T4918] el0_svc_common+0x138/0x258 [ 52.389935][ T4918] do_el0_svc+0x58/0x13c [ 52.390580][ T4918] el0_svc+0x78/0x1d0 [ 52.391148][ T4918] el0t_64_sync_handler+0xcc/0xe4 [ 52.391907][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 52.392544][ T4918] irq event stamp: 79802 [ 52.393180][ T4918] hardirqs last enabled at (79801): [] __up_console_sem+0xb4/0xfc [ 52.394512][ T4918] hardirqs last disabled at (79802): [] el1_dbg+0x24/0x80 [ 52.395774][ T4918] softirqs last enabled at (79782): [] handle_softirqs+0xa40/0xbe4 [ 52.397179][ T4918] softirqs last disabled at (79773): [] __irq_exit_rcu+0x240/0x43c [ 52.398561][ T4918] ---[ end trace 52507aa86c71e99c ]--- [ 52.400074][ T4918] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 52.401724][ T4918] BTRFS info (device loop0): forced readonly [ 52.564926][ T4939] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4939) [ 52.568609][ T4939] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.570055][ T4939] BTRFS info (device loop0): using free space tree [ 52.571030][ T4939] BTRFS info (device loop0): has skinny extents [ 52.580573][ T4939] BTRFS info (device loop0): enabling ssd optimizations [ 52.585848][ T4939] FAULT_INJECTION: forcing a failure. [ 52.585848][ T4939] name failslab, interval 1, probability 0, space 0, times 0 [ 52.587831][ T4939] CPU: 0 PID: 4939 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.589271][ T4939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.590718][ T4939] Call trace: [ 52.591231][ T4939] dump_backtrace+0x0/0x458 [ 52.591883][ T4939] show_stack+0x2c/0x3c [ 52.592477][ T4939] __dump_stack+0x30/0x40 [ 52.593085][ T4939] dump_stack_lvl+0xf4/0x15c [ 52.593738][ T4939] dump_stack+0x1c/0x5c [ 52.594360][ T4939] should_fail+0x3bc/0x514 [ 52.595030][ T4939] __should_failslab+0xbc/0x10c [ 52.595770][ T4939] should_failslab+0x10/0x28 [ 52.596430][ T4939] slab_pre_alloc_hook+0x64/0xe8 [ 52.597206][ T4939] kmem_cache_alloc+0x94/0x3d4 [ 52.597935][ T4939] btrfs_alloc_path+0x5c/0x68 [ 52.598630][ T4939] btrfs_uuid_tree_remove+0x140/0x484 [ 52.599379][ T4939] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 52.600260][ T4939] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 52.601117][ T4939] btrfs_ioctl+0x9d0/0xa8c [ 52.601790][ T4939] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.602498][ T4939] invoke_syscall+0x98/0x2b0 [ 52.603154][ T4939] el0_svc_common+0x138/0x258 [ 52.603809][ T4939] do_el0_svc+0x58/0x13c [ 52.604454][ T4939] el0_svc+0x78/0x1d0 [ 52.605076][ T4939] el0t_64_sync_handler+0xcc/0xe4 [ 52.605849][ T4939] el0t_64_sync+0x1a0/0x1a4 [ 52.608682][ T4939] ------------[ cut here ]------------ [ 52.609671][ T4939] WARNING: CPU: 0 PID: 4939 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 52.611309][ T4939] Modules linked in: [ 52.611964][ T4939] CPU: 0 PID: 4939 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.613439][ T4939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.615005][ T4939] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.616171][ T4939] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 52.617211][ T4939] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 52.618194][ T4939] sp : ffff800020b27bf0 [ 52.618777][ T4939] x29: ffff800020b27c30 x28: dfff800000000000 x27: ffff0000c7fec000 [ 52.619902][ T4939] x26: ffff0000d517813f x25: ffff0000de8bb000 x24: ffff0000d517815f [ 52.621053][ T4939] x23: 00000000fffffff4 x22: 1fffe0001bd1760b x21: ffff0000de8bb058 [ 52.622259][ T4939] x20: 00000000fffffff4 x19: ffff0000dbf9f900 x18: 0000000000000001 [ 52.623429][ T4939] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 52.624571][ T4939] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 52.625749][ T4939] x11: 0000000000000000 x10: 0000000000000000 x9 : 890f42cd2745b300 [ 52.626920][ T4939] x8 : 890f42cd2745b300 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.628075][ T4939] x5 : ffff800020b274f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 52.629243][ T4939] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.630377][ T4939] Call trace: [ 52.630851][ T4939] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 52.631730][ T4939] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 52.632541][ T4939] btrfs_ioctl+0x9d0/0xa8c [ 52.633169][ T4939] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.633902][ T4939] invoke_syscall+0x98/0x2b0 [ 52.634593][ T4939] el0_svc_common+0x138/0x258 [ 52.635252][ T4939] do_el0_svc+0x58/0x13c [ 52.635847][ T4939] el0_svc+0x78/0x1d0 [ 52.636423][ T4939] el0t_64_sync_handler+0xcc/0xe4 [ 52.637134][ T4939] el0t_64_sync+0x1a0/0x1a4 [ 52.637751][ T4939] irq event stamp: 79324 [ 52.638370][ T4939] hardirqs last enabled at (79323): [] __up_console_sem+0xb4/0xfc [ 52.639713][ T4939] hardirqs last disabled at (79324): [] el1_dbg+0x24/0x80 [ 52.640965][ T4939] softirqs last enabled at (79304): [] handle_softirqs+0xa40/0xbe4 [ 52.642311][ T4939] softirqs last disabled at (79277): [] __irq_exit_rcu+0x240/0x43c [ 52.643630][ T4939] ---[ end trace 52507aa86c71e99d ]--- [ 52.645977][ T4939] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 52.647909][ T4939] BTRFS info (device loop0): forced readonly [ 52.804209][ T4616] Bluetooth: hci0: command 0x040f tx timeout [ 52.821099][ T4960] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4960) [ 52.826052][ T4960] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.827467][ T4960] BTRFS info (device loop0): using free space tree [ 52.828491][ T4960] BTRFS info (device loop0): has skinny extents [ 52.837182][ T4960] BTRFS info (device loop0): enabling ssd optimizations [ 52.842201][ T4960] FAULT_INJECTION: forcing a failure. [ 52.842201][ T4960] name failslab, interval 1, probability 0, space 0, times 0 [ 52.844338][ T4960] CPU: 0 PID: 4960 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 52.845851][ T4960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.847430][ T4960] Call trace: [ 52.847875][ T4960] dump_backtrace+0x0/0x458 [ 52.848577][ T4960] show_stack+0x2c/0x3c [ 52.849209][ T4960] __dump_stack+0x30/0x40 [ 52.849867][ T4960] dump_stack_lvl+0xf4/0x15c [ 52.850529][ T4960] dump_stack+0x1c/0x5c [ 52.851157][ T4960] should_fail+0x3bc/0x514 [ 52.851817][ T4960] __should_failslab+0xbc/0x10c [ 52.852552][ T4960] should_failslab+0x10/0x28 [ 52.853220][ T4960] slab_pre_alloc_hook+0x64/0xe8 [ 52.854031][ T4960] kmem_cache_alloc_trace+0x98/0x3ec [ 52.854805][ T4960] join_transaction+0x10c/0xa5c [ 52.855538][ T4960] start_transaction+0x914/0x13ec [ 52.856302][ T4960] btrfs_start_transaction+0x34/0x44 [ 52.857132][ T4960] _btrfs_ioctl_set_received_subvol+0x1d8/0xdbc [ 52.858117][ T4960] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 52.859012][ T4960] btrfs_ioctl+0x9d0/0xa8c [ 52.859658][ T4960] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.860390][ T4960] invoke_syscall+0x98/0x2b0 [ 52.861054][ T4960] el0_svc_common+0x138/0x258 [ 52.861734][ T4960] do_el0_svc+0x58/0x13c [ 52.862371][ T4960] el0_svc+0x78/0x1d0 [ 52.862938][ T4960] el0t_64_sync_handler+0xcc/0xe4 [ 52.863715][ T4960] el0t_64_sync+0x1a0/0x1a4 [ 53.046428][ T4981] set_capacity_and_notify: 8 callbacks suppressed [ 53.046437][ T4981] loop0: detected capacity change from 0 to 32768 [ 53.051868][ T4981] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4981) [ 53.057506][ T4981] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.059088][ T4981] BTRFS info (device loop0): using free space tree [ 53.060248][ T4981] BTRFS info (device loop0): has skinny extents [ 53.075285][ T4981] BTRFS info (device loop0): enabling ssd optimizations [ 53.079800][ T4981] FAULT_INJECTION: forcing a failure. [ 53.079800][ T4981] name failslab, interval 1, probability 0, space 0, times 0 [ 53.081846][ T4981] CPU: 1 PID: 4981 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.083249][ T4981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.084702][ T4981] Call trace: [ 53.085147][ T4981] dump_backtrace+0x0/0x458 [ 53.085784][ T4981] show_stack+0x2c/0x3c [ 53.086357][ T4981] __dump_stack+0x30/0x40 [ 53.087015][ T4981] dump_stack_lvl+0xf4/0x15c [ 53.087680][ T4981] dump_stack+0x1c/0x5c [ 53.088320][ T4981] should_fail+0x3bc/0x514 [ 53.089030][ T4981] __should_failslab+0xbc/0x10c [ 53.089743][ T4981] should_failslab+0x10/0x28 [ 53.090447][ T4981] slab_pre_alloc_hook+0x64/0xe8 [ 53.091216][ T4981] kmem_cache_alloc+0x94/0x3d4 [ 53.091960][ T4981] btrfs_alloc_path+0x5c/0x68 [ 53.092650][ T4981] btrfs_uuid_tree_remove+0x140/0x484 [ 53.093404][ T4981] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 53.094348][ T4981] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 53.095236][ T4981] btrfs_ioctl+0x9d0/0xa8c [ 53.095892][ T4981] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.096666][ T4981] invoke_syscall+0x98/0x2b0 [ 53.097410][ T4981] el0_svc_common+0x138/0x258 [ 53.098157][ T4981] do_el0_svc+0x58/0x13c [ 53.098802][ T4981] el0_svc+0x78/0x1d0 [ 53.099446][ T4981] el0t_64_sync_handler+0xcc/0xe4 [ 53.100224][ T4981] el0t_64_sync+0x1a0/0x1a4 [ 53.101712][ T4981] ------------[ cut here ]------------ [ 53.102651][ T4981] WARNING: CPU: 1 PID: 4981 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.104228][ T4981] Modules linked in: [ 53.104800][ T4981] CPU: 1 PID: 4981 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.106174][ T4981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.107708][ T4981] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.108849][ T4981] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.109813][ T4981] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.110765][ T4981] sp : ffff800020b27bf0 [ 53.111444][ T4981] x29: ffff800020b27c30 x28: dfff800000000000 x27: ffff0000c7fec000 [ 53.112639][ T4981] x26: ffff0000db4b813f x25: ffff0000de91fa50 x24: ffff0000db4b815f [ 53.113857][ T4981] x23: 00000000fffffff4 x22: 1fffe0001bd23f55 x21: ffff0000de91faa8 [ 53.115108][ T4981] x20: 00000000fffffff4 x19: ffff0000c2f3cc80 x18: 0000000000000001 [ 53.116329][ T4981] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 53.117565][ T4981] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 53.118714][ T4981] x11: 0000000000000000 x10: 0000000000000000 x9 : 56e5f7be45a3f400 [ 53.119906][ T4981] x8 : 56e5f7be45a3f400 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.121146][ T4981] x5 : ffff800020b274f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 53.122358][ T4981] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.123579][ T4981] Call trace: [ 53.124065][ T4981] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.124984][ T4981] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 53.125905][ T4981] btrfs_ioctl+0x9d0/0xa8c [ 53.126579][ T4981] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.127321][ T4981] invoke_syscall+0x98/0x2b0 [ 53.128029][ T4981] el0_svc_common+0x138/0x258 [ 53.128728][ T4981] do_el0_svc+0x58/0x13c [ 53.129343][ T4981] el0_svc+0x78/0x1d0 [ 53.129924][ T4981] el0t_64_sync_handler+0xcc/0xe4 [ 53.130706][ T4981] el0t_64_sync+0x1a0/0x1a4 [ 53.131427][ T4981] irq event stamp: 80158 [ 53.132067][ T4981] hardirqs last enabled at (80157): [] __up_console_sem+0xb4/0xfc [ 53.133561][ T4981] hardirqs last disabled at (80158): [] el1_dbg+0x24/0x80 [ 53.134884][ T4981] softirqs last enabled at (80138): [] handle_softirqs+0xa40/0xbe4 [ 53.136266][ T4981] softirqs last disabled at (80087): [] __irq_exit_rcu+0x240/0x43c [ 53.137638][ T4981] ---[ end trace 52507aa86c71e99e ]--- [ 53.139912][ T4981] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 53.141633][ T4981] BTRFS info (device loop0): forced readonly [ 53.312518][ T5002] loop0: detected capacity change from 0 to 32768 [ 53.315264][ T5002] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5002) [ 53.319196][ T5002] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.320647][ T5002] BTRFS info (device loop0): using free space tree [ 53.321773][ T5002] BTRFS info (device loop0): has skinny extents [ 53.329542][ T5002] BTRFS info (device loop0): enabling ssd optimizations [ 53.334364][ T5002] FAULT_INJECTION: forcing a failure. [ 53.334364][ T5002] name failslab, interval 1, probability 0, space 0, times 0 [ 53.336216][ T5002] CPU: 0 PID: 5002 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.337641][ T5002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.339189][ T5002] Call trace: [ 53.339660][ T5002] dump_backtrace+0x0/0x458 [ 53.340361][ T5002] show_stack+0x2c/0x3c [ 53.341007][ T5002] __dump_stack+0x30/0x40 [ 53.341663][ T5002] dump_stack_lvl+0xf4/0x15c [ 53.342366][ T5002] dump_stack+0x1c/0x5c [ 53.343061][ T5002] should_fail+0x3bc/0x514 [ 53.343713][ T5002] __should_failslab+0xbc/0x10c [ 53.344500][ T5002] should_failslab+0x10/0x28 [ 53.345236][ T5002] slab_pre_alloc_hook+0x64/0xe8 [ 53.345959][ T5002] kmem_cache_alloc+0x94/0x3d4 [ 53.346675][ T5002] btrfs_alloc_path+0x5c/0x68 [ 53.347423][ T5002] btrfs_uuid_tree_remove+0x140/0x484 [ 53.348204][ T5002] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 53.349178][ T5002] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 53.350124][ T5002] btrfs_ioctl+0x9d0/0xa8c [ 53.350764][ T5002] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.351486][ T5002] invoke_syscall+0x98/0x2b0 [ 53.352196][ T5002] el0_svc_common+0x138/0x258 [ 53.352935][ T5002] do_el0_svc+0x58/0x13c [ 53.353539][ T5002] el0_svc+0x78/0x1d0 [ 53.354144][ T5002] el0t_64_sync_handler+0xcc/0xe4 [ 53.354905][ T5002] el0t_64_sync+0x1a0/0x1a4 [ 53.355682][ T5002] ------------[ cut here ]------------ [ 53.356584][ T5002] WARNING: CPU: 0 PID: 5002 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.358076][ T5002] Modules linked in: [ 53.358641][ T5002] CPU: 0 PID: 5002 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.359960][ T5002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.361327][ T5002] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.362420][ T5002] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.363438][ T5002] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.364430][ T5002] sp : ffff800020b27bf0 [ 53.365006][ T5002] x29: ffff800020b27c30 x28: dfff800000000000 x27: ffff0000c9758000 [ 53.366306][ T5002] x26: ffff0000cea7a13f x25: ffff0000de8bb210 x24: ffff0000cea7a15f [ 53.367597][ T5002] x23: 00000000fffffff4 x22: 1fffe0001bd1764d x21: ffff0000de8bb268 [ 53.368838][ T5002] x20: 00000000fffffff4 x19: ffff0000dcf9f900 x18: 0000000000000001 [ 53.370017][ T5002] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 53.371336][ T5002] x14: 0000000000000001 x13: 1ffff00004164e9c x12: 0000000000ff0100 [ 53.372559][ T5002] x11: 0000000000000000 x10: 0000000000000000 x9 : 7d76c468fa18e200 [ 53.373711][ T5002] x8 : 7d76c468fa18e200 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.374843][ T5002] x5 : ffff800020b274f8 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 53.376079][ T5002] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.377322][ T5002] Call trace: [ 53.377853][ T5002] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.378791][ T5002] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 53.379696][ T5002] btrfs_ioctl+0x9d0/0xa8c [ 53.380356][ T5002] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.381071][ T5002] invoke_syscall+0x98/0x2b0 [ 53.381753][ T5002] el0_svc_common+0x138/0x258 [ 53.382510][ T5002] do_el0_svc+0x58/0x13c [ 53.383148][ T5002] el0_svc+0x78/0x1d0 [ 53.383730][ T5002] el0t_64_sync_handler+0xcc/0xe4 [ 53.384467][ T5002] el0t_64_sync+0x1a0/0x1a4 [ 53.385095][ T5002] irq event stamp: 79486 [ 53.385680][ T5002] hardirqs last enabled at (79485): [] __up_console_sem+0xb4/0xfc [ 53.387108][ T5002] hardirqs last disabled at (79486): [] el1_dbg+0x24/0x80 [ 53.388375][ T5002] softirqs last enabled at (79466): [] handle_softirqs+0xa40/0xbe4 [ 53.389804][ T5002] softirqs last disabled at (79457): [] __irq_exit_rcu+0x240/0x43c [ 53.391186][ T5002] ---[ end trace 52507aa86c71e99f ]--- [ 53.392239][ T5002] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 53.393880][ T5002] BTRFS info (device loop0): forced readonly [ 53.563064][ T5023] loop0: detected capacity change from 0 to 32768 [ 53.566070][ T5023] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5023) [ 53.570459][ T5023] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.571978][ T5023] BTRFS info (device loop0): using free space tree [ 53.573083][ T5023] BTRFS info (device loop0): has skinny extents [ 53.581542][ T5023] BTRFS info (device loop0): enabling ssd optimizations [ 53.587575][ T5023] FAULT_INJECTION: forcing a failure. [ 53.587575][ T5023] name failslab, interval 1, probability 0, space 0, times 0 [ 53.589722][ T5023] CPU: 1 PID: 5023 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.591085][ T5023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.592533][ T5023] Call trace: [ 53.593060][ T5023] dump_backtrace+0x0/0x458 [ 53.593745][ T5023] show_stack+0x2c/0x3c [ 53.594377][ T5023] __dump_stack+0x30/0x40 [ 53.595030][ T5023] dump_stack_lvl+0xf4/0x15c [ 53.595768][ T5023] dump_stack+0x1c/0x5c [ 53.596395][ T5023] should_fail+0x3bc/0x514 [ 53.597040][ T5023] __should_failslab+0xbc/0x10c [ 53.597749][ T5023] should_failslab+0x10/0x28 [ 53.598423][ T5023] slab_pre_alloc_hook+0x64/0xe8 [ 53.599162][ T5023] kmem_cache_alloc+0x94/0x3d4 [ 53.599912][ T5023] btrfs_alloc_path+0x5c/0x68 [ 53.600616][ T5023] btrfs_uuid_tree_remove+0x140/0x484 [ 53.601450][ T5023] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 53.602451][ T5023] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 53.603404][ T5023] btrfs_ioctl+0x9d0/0xa8c [ 53.604080][ T5023] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.604836][ T5023] invoke_syscall+0x98/0x2b0 [ 53.605566][ T5023] el0_svc_common+0x138/0x258 [ 53.606277][ T5023] do_el0_svc+0x58/0x13c [ 53.606900][ T5023] el0_svc+0x78/0x1d0 [ 53.607529][ T5023] el0t_64_sync_handler+0xcc/0xe4 [ 53.608302][ T5023] el0t_64_sync+0x1a0/0x1a4 [ 53.610035][ T5023] ------------[ cut here ]------------ [ 53.611013][ T5023] WARNING: CPU: 1 PID: 5023 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.612653][ T5023] Modules linked in: [ 53.613286][ T5023] CPU: 1 PID: 5023 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.614629][ T5023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.616116][ T5023] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.617217][ T5023] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.618198][ T5023] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.619168][ T5023] sp : ffff8000214d7bf0 [ 53.619800][ T5023] x29: ffff8000214d7c30 x28: dfff800000000000 x27: ffff0000cf2d0000 [ 53.620967][ T5023] x26: ffff0000ceca613f x25: ffff0000de91fbb0 x24: ffff0000ceca615f [ 53.622186][ T5023] x23: 00000000fffffff4 x22: 1fffe0001bd23f81 x21: ffff0000de91fc08 [ 53.623370][ T5023] x20: 00000000fffffff4 x19: ffff0000da926000 x18: 0000000000000001 [ 53.624570][ T5023] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 53.625832][ T5023] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 53.626990][ T5023] x11: 0000000000000000 x10: 0000000000000000 x9 : 21b66500cc549b00 [ 53.628089][ T5023] x8 : 21b66500cc549b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.629231][ T5023] x5 : ffff8000214d74f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 53.630423][ T5023] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.631538][ T5023] Call trace: [ 53.631995][ T5023] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.632934][ T5023] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 53.633805][ T5023] btrfs_ioctl+0x9d0/0xa8c [ 53.634466][ T5023] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.635251][ T5023] invoke_syscall+0x98/0x2b0 [ 53.635943][ T5023] el0_svc_common+0x138/0x258 [ 53.636613][ T5023] do_el0_svc+0x58/0x13c [ 53.637265][ T5023] el0_svc+0x78/0x1d0 [ 53.637799][ T5023] el0t_64_sync_handler+0xcc/0xe4 [ 53.638546][ T5023] el0t_64_sync+0x1a0/0x1a4 [ 53.639160][ T5023] irq event stamp: 79386 [ 53.639775][ T5023] hardirqs last enabled at (79385): [] __up_console_sem+0xb4/0xfc [ 53.641073][ T5023] hardirqs last disabled at (79386): [] el1_dbg+0x24/0x80 [ 53.642252][ T5023] softirqs last enabled at (79366): [] handle_softirqs+0xa40/0xbe4 [ 53.643642][ T5023] softirqs last disabled at (79281): [] __irq_exit_rcu+0x240/0x43c [ 53.644948][ T5023] ---[ end trace 52507aa86c71e9a0 ]--- [ 53.646618][ T5023] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 53.648398][ T5023] BTRFS info (device loop0): forced readonly [ 53.815532][ T5044] loop0: detected capacity change from 0 to 32768 [ 53.817889][ T5044] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5044) [ 53.821078][ T5044] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.822380][ T5044] BTRFS info (device loop0): using free space tree [ 53.823343][ T5044] BTRFS info (device loop0): has skinny extents [ 53.833509][ T5044] BTRFS info (device loop0): enabling ssd optimizations [ 53.839692][ T5044] FAULT_INJECTION: forcing a failure. [ 53.839692][ T5044] name failslab, interval 1, probability 0, space 0, times 0 [ 53.841836][ T5044] CPU: 1 PID: 5044 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.843250][ T5044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.844754][ T5044] Call trace: [ 53.845413][ T5044] dump_backtrace+0x0/0x458 [ 53.846147][ T5044] show_stack+0x2c/0x3c [ 53.846786][ T5044] __dump_stack+0x30/0x40 [ 53.847457][ T5044] dump_stack_lvl+0xf4/0x15c [ 53.848146][ T5044] dump_stack+0x1c/0x5c [ 53.848795][ T5044] should_fail+0x3bc/0x514 [ 53.849428][ T5044] __should_failslab+0xbc/0x10c [ 53.850156][ T5044] should_failslab+0x10/0x28 [ 53.850839][ T5044] slab_pre_alloc_hook+0x64/0xe8 [ 53.851527][ T5044] kmem_cache_alloc+0x94/0x3d4 [ 53.852258][ T5044] btrfs_alloc_path+0x5c/0x68 [ 53.853046][ T5044] btrfs_uuid_tree_remove+0x140/0x484 [ 53.853839][ T5044] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 53.854795][ T5044] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 53.855615][ T5044] btrfs_ioctl+0x9d0/0xa8c [ 53.856310][ T5044] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.857021][ T5044] invoke_syscall+0x98/0x2b0 [ 53.857709][ T5044] el0_svc_common+0x138/0x258 [ 53.858367][ T5044] do_el0_svc+0x58/0x13c [ 53.859000][ T5044] el0_svc+0x78/0x1d0 [ 53.859537][ T5044] el0t_64_sync_handler+0xcc/0xe4 [ 53.860253][ T5044] el0t_64_sync+0x1a0/0x1a4 [ 53.861707][ T5044] ------------[ cut here ]------------ [ 53.862570][ T5044] WARNING: CPU: 1 PID: 5044 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.864329][ T5044] Modules linked in: [ 53.864912][ T5044] CPU: 1 PID: 5044 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 53.866273][ T5044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.867808][ T5044] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.868973][ T5044] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.869923][ T5044] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.870855][ T5044] sp : ffff8000216d7bf0 [ 53.871484][ T5044] x29: ffff8000216d7c30 x28: dfff800000000000 x27: ffff0000c81b4000 [ 53.872631][ T5044] x26: ffff0000d810213f x25: ffff0000de91fd10 x24: ffff0000d810215f [ 53.873878][ T5044] x23: 00000000fffffff4 x22: 1fffe0001bd23fad x21: ffff0000de91fd68 [ 53.875003][ T5044] x20: 00000000fffffff4 x19: ffff0000c900bb80 x18: 0000000000000001 [ 53.876126][ T5044] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 53.877348][ T5044] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 53.878523][ T5044] x11: 0000000000000000 x10: 0000000000000000 x9 : 0f233724b6eeb300 [ 53.879679][ T5044] x8 : 0f233724b6eeb300 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.880991][ T5044] x5 : ffff8000216d74f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 53.882232][ T5044] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.883407][ T5044] Call trace: [ 53.883854][ T5044] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 53.884709][ T5044] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 53.885608][ T5044] btrfs_ioctl+0x9d0/0xa8c [ 53.886242][ T5044] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.886972][ T5044] invoke_syscall+0x98/0x2b0 [ 53.887703][ T5044] el0_svc_common+0x138/0x258 [ 53.888399][ T5044] do_el0_svc+0x58/0x13c [ 53.889026][ T5044] el0_svc+0x78/0x1d0 [ 53.889626][ T5044] el0t_64_sync_handler+0xcc/0xe4 [ 53.890411][ T5044] el0t_64_sync+0x1a0/0x1a4 [ 53.891052][ T5044] irq event stamp: 79760 [ 53.891636][ T5044] hardirqs last enabled at (79759): [] __up_console_sem+0xb4/0xfc [ 53.893024][ T5044] hardirqs last disabled at (79760): [] el1_dbg+0x24/0x80 [ 53.894337][ T5044] softirqs last enabled at (79740): [] handle_softirqs+0xa40/0xbe4 [ 53.895817][ T5044] softirqs last disabled at (79729): [] __irq_exit_rcu+0x240/0x43c [ 53.897244][ T5044] ---[ end trace 52507aa86c71e9a1 ]--- [ 53.898851][ T5044] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 53.900507][ T5044] BTRFS info (device loop0): forced readonly [ 54.076180][ T5065] loop0: detected capacity change from 0 to 32768 [ 54.078880][ T5065] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5065) [ 54.082150][ T5065] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.083619][ T5065] BTRFS info (device loop0): using free space tree [ 54.085101][ T5065] BTRFS info (device loop0): has skinny extents [ 54.092899][ T5065] BTRFS info (device loop0): enabling ssd optimizations [ 54.099979][ T5065] FAULT_INJECTION: forcing a failure. [ 54.099979][ T5065] name failslab, interval 1, probability 0, space 0, times 0 [ 54.101993][ T5065] CPU: 0 PID: 5065 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.103368][ T5065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.104819][ T5065] Call trace: [ 54.105304][ T5065] dump_backtrace+0x0/0x458 [ 54.106021][ T5065] show_stack+0x2c/0x3c [ 54.106628][ T5065] __dump_stack+0x30/0x40 [ 54.107273][ T5065] dump_stack_lvl+0xf4/0x15c [ 54.107968][ T5065] dump_stack+0x1c/0x5c [ 54.108564][ T5065] should_fail+0x3bc/0x514 [ 54.109246][ T5065] __should_failslab+0xbc/0x10c [ 54.109978][ T5065] should_failslab+0x10/0x28 [ 54.110650][ T5065] slab_pre_alloc_hook+0x64/0xe8 [ 54.111386][ T5065] kmem_cache_alloc+0x94/0x3d4 [ 54.112087][ T5065] btrfs_alloc_path+0x5c/0x68 [ 54.112769][ T5065] btrfs_uuid_tree_remove+0x140/0x484 [ 54.113545][ T5065] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 54.114496][ T5065] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 54.115393][ T5065] btrfs_ioctl+0x9d0/0xa8c [ 54.116014][ T5065] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.116769][ T5065] invoke_syscall+0x98/0x2b0 [ 54.117431][ T5065] el0_svc_common+0x138/0x258 [ 54.118135][ T5065] do_el0_svc+0x58/0x13c [ 54.118778][ T5065] el0_svc+0x78/0x1d0 [ 54.119329][ T5065] el0t_64_sync_handler+0xcc/0xe4 [ 54.120021][ T5065] el0t_64_sync+0x1a0/0x1a4 [ 54.122700][ T5065] ------------[ cut here ]------------ [ 54.123765][ T5065] WARNING: CPU: 0 PID: 5065 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 54.125455][ T5065] Modules linked in: [ 54.126045][ T5065] CPU: 0 PID: 5065 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.127431][ T5065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.129053][ T5065] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.130224][ T5065] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 54.131183][ T5065] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 54.132201][ T5065] sp : ffff8000214d7bf0 [ 54.132817][ T5065] x29: ffff8000214d7c30 x28: dfff800000000000 x27: ffff0000c17ec000 [ 54.134066][ T5065] x26: ffff0000c783413f x25: ffff0000de8bb370 x24: ffff0000c783415f [ 54.135312][ T5065] x23: 00000000fffffff4 x22: 1fffe0001bd17679 x21: ffff0000de8bb3c8 [ 54.136520][ T5065] x20: 00000000fffffff4 x19: ffff0000c9d75b80 x18: 0000000000000001 [ 54.137741][ T5065] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 54.138944][ T5065] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 54.140185][ T5065] x11: 0000000000000000 x10: 0000000000000000 x9 : 4222b39a65a1d600 [ 54.141401][ T5065] x8 : 4222b39a65a1d600 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.142592][ T5065] x5 : ffff8000214d74f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 54.143705][ T5065] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.144888][ T5065] Call trace: [ 54.145340][ T5065] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 54.146223][ T5065] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 54.147039][ T5065] btrfs_ioctl+0x9d0/0xa8c [ 54.147648][ T5065] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.148308][ T5065] invoke_syscall+0x98/0x2b0 [ 54.148888][ T5065] el0_svc_common+0x138/0x258 [ 54.149549][ T5065] do_el0_svc+0x58/0x13c [ 54.150112][ T5065] el0_svc+0x78/0x1d0 [ 54.150650][ T5065] el0t_64_sync_handler+0xcc/0xe4 [ 54.151341][ T5065] el0t_64_sync+0x1a0/0x1a4 [ 54.152001][ T5065] irq event stamp: 79572 [ 54.152609][ T5065] hardirqs last enabled at (79571): [] __up_console_sem+0xb4/0xfc [ 54.154063][ T5065] hardirqs last disabled at (79572): [] el1_dbg+0x24/0x80 [ 54.155271][ T5065] softirqs last enabled at (79552): [] handle_softirqs+0xa40/0xbe4 [ 54.156749][ T5065] softirqs last disabled at (79533): [] __irq_exit_rcu+0x240/0x43c [ 54.158108][ T5065] ---[ end trace 52507aa86c71e9a2 ]--- [ 54.159612][ T5065] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 54.161174][ T5065] BTRFS info (device loop0): forced readonly [ 54.337005][ T5086] loop0: detected capacity change from 0 to 32768 [ 54.339465][ T5086] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5086) [ 54.343266][ T5086] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.344631][ T5086] BTRFS info (device loop0): using free space tree [ 54.345532][ T5086] BTRFS info (device loop0): has skinny extents [ 54.356540][ T5086] BTRFS info (device loop0): enabling ssd optimizations [ 54.361255][ T5086] FAULT_INJECTION: forcing a failure. [ 54.361255][ T5086] name failslab, interval 1, probability 0, space 0, times 0 [ 54.363213][ T5086] CPU: 0 PID: 5086 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.364487][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.366002][ T5086] Call trace: [ 54.366474][ T5086] dump_backtrace+0x0/0x458 [ 54.367161][ T5086] show_stack+0x2c/0x3c [ 54.367822][ T5086] __dump_stack+0x30/0x40 [ 54.368491][ T5086] dump_stack_lvl+0xf4/0x15c [ 54.369196][ T5086] dump_stack+0x1c/0x5c [ 54.369833][ T5086] should_fail+0x3bc/0x514 [ 54.370479][ T5086] __should_failslab+0xbc/0x10c [ 54.371225][ T5086] should_failslab+0x10/0x28 [ 54.371891][ T5086] slab_pre_alloc_hook+0x64/0xe8 [ 54.372650][ T5086] kmem_cache_alloc_trace+0x98/0x3ec [ 54.373429][ T5086] join_transaction+0x10c/0xa5c [ 54.374217][ T5086] start_transaction+0x914/0x13ec [ 54.374971][ T5086] btrfs_start_transaction+0x34/0x44 [ 54.375727][ T5086] _btrfs_ioctl_set_received_subvol+0x1d8/0xdbc [ 54.376658][ T5086] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 54.377582][ T5086] btrfs_ioctl+0x9d0/0xa8c [ 54.378301][ T5086] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.379071][ T5086] invoke_syscall+0x98/0x2b0 [ 54.379701][ T5086] el0_svc_common+0x138/0x258 [ 54.380373][ T5086] do_el0_svc+0x58/0x13c [ 54.380991][ T5086] el0_svc+0x78/0x1d0 [ 54.381579][ T5086] el0t_64_sync_handler+0xcc/0xe4 [ 54.382319][ T5086] el0t_64_sync+0x1a0/0x1a4 [ 54.556308][ T5107] loop0: detected capacity change from 0 to 32768 [ 54.558707][ T5107] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5107) [ 54.563025][ T5107] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.564945][ T5107] BTRFS info (device loop0): using free space tree [ 54.566112][ T5107] BTRFS info (device loop0): has skinny extents [ 54.576735][ T5107] BTRFS info (device loop0): enabling ssd optimizations [ 54.582674][ T5107] FAULT_INJECTION: forcing a failure. [ 54.582674][ T5107] name failslab, interval 1, probability 0, space 0, times 0 [ 54.584952][ T5107] CPU: 1 PID: 5107 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.586366][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.587898][ T5107] Call trace: [ 54.588380][ T5107] dump_backtrace+0x0/0x458 [ 54.589102][ T5107] show_stack+0x2c/0x3c [ 54.589726][ T5107] __dump_stack+0x30/0x40 [ 54.590346][ T5107] dump_stack_lvl+0xf4/0x15c [ 54.591061][ T5107] dump_stack+0x1c/0x5c [ 54.591698][ T5107] should_fail+0x3bc/0x514 [ 54.592363][ T5107] __should_failslab+0xbc/0x10c [ 54.593021][ T5107] should_failslab+0x10/0x28 [ 54.593710][ T5107] slab_pre_alloc_hook+0x64/0xe8 [ 54.594432][ T5107] kmem_cache_alloc+0x94/0x3d4 [ 54.595155][ T5107] btrfs_alloc_path+0x5c/0x68 [ 54.595800][ T5107] btrfs_uuid_tree_remove+0x140/0x484 [ 54.596558][ T5107] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 54.597528][ T5107] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 54.598411][ T5107] btrfs_ioctl+0x9d0/0xa8c [ 54.599037][ T5107] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.599743][ T5107] invoke_syscall+0x98/0x2b0 [ 54.600420][ T5107] el0_svc_common+0x138/0x258 [ 54.601106][ T5107] do_el0_svc+0x58/0x13c [ 54.601708][ T5107] el0_svc+0x78/0x1d0 [ 54.602260][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 54.603022][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 54.604974][ T5107] ------------[ cut here ]------------ [ 54.605962][ T5107] WARNING: CPU: 1 PID: 5107 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 54.607410][ T5107] Modules linked in: [ 54.607946][ T5107] CPU: 1 PID: 5107 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.609167][ T5107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.610553][ T5107] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 54.611608][ T5107] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 54.612532][ T5107] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 54.613429][ T5107] sp : ffff8000214d7bf0 [ 54.614012][ T5107] x29: ffff8000214d7c30 x28: dfff800000000000 x27: ffff0000daef4000 [ 54.615226][ T5107] x26: ffff0000d514e13f x25: ffff0000de91fdc0 x24: ffff0000d514e15f [ 54.616428][ T5107] x23: 00000000fffffff4 x22: 1fffe0001bd23fc3 x21: ffff0000de91fe18 [ 54.617634][ T5107] x20: 00000000fffffff4 x19: ffff0000c9015400 x18: 0000000000000001 [ 54.618895][ T5107] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 54.620162][ T5107] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 54.621387][ T5107] x11: 0000000000000000 x10: 0000000000000000 x9 : b931f7bdadc27b00 [ 54.622595][ T5107] x8 : b931f7bdadc27b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.623771][ T5107] x5 : ffff8000214d74f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 54.624936][ T5107] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.626110][ T5107] Call trace: [ 54.626631][ T5107] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 54.627585][ T5107] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 54.628423][ T5107] btrfs_ioctl+0x9d0/0xa8c [ 54.629082][ T5107] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.629776][ T5107] invoke_syscall+0x98/0x2b0 [ 54.630428][ T5107] el0_svc_common+0x138/0x258 [ 54.631079][ T5107] do_el0_svc+0x58/0x13c [ 54.631777][ T5107] el0_svc+0x78/0x1d0 [ 54.632353][ T5107] el0t_64_sync_handler+0xcc/0xe4 [ 54.633100][ T5107] el0t_64_sync+0x1a0/0x1a4 [ 54.633768][ T5107] irq event stamp: 79432 [ 54.634373][ T5107] hardirqs last enabled at (79431): [] __up_console_sem+0xb4/0xfc [ 54.635778][ T5107] hardirqs last disabled at (79432): [] el1_dbg+0x24/0x80 [ 54.637057][ T5107] softirqs last enabled at (79412): [] handle_softirqs+0xa40/0xbe4 [ 54.638408][ T5107] softirqs last disabled at (79401): [] __irq_exit_rcu+0x240/0x43c [ 54.639792][ T5107] ---[ end trace 52507aa86c71e9a3 ]--- [ 54.641332][ T5107] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 54.643037][ T5107] BTRFS info (device loop0): forced readonly [ 54.835411][ T5128] loop0: detected capacity change from 0 to 32768 [ 54.837865][ T5128] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5128) [ 54.841032][ T5128] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.842532][ T5128] BTRFS info (device loop0): using free space tree [ 54.843674][ T5128] BTRFS info (device loop0): has skinny extents [ 54.851371][ T5128] BTRFS info (device loop0): enabling ssd optimizations [ 54.856542][ T5128] FAULT_INJECTION: forcing a failure. [ 54.856542][ T5128] name failslab, interval 1, probability 0, space 0, times 0 [ 54.858546][ T5128] CPU: 1 PID: 5128 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 54.859894][ T5128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.861282][ T5128] Call trace: [ 54.861730][ T5128] dump_backtrace+0x0/0x458 [ 54.862428][ T5128] show_stack+0x2c/0x3c [ 54.863055][ T5128] __dump_stack+0x30/0x40 [ 54.863678][ T5128] dump_stack_lvl+0xf4/0x15c [ 54.864369][ T5128] dump_stack+0x1c/0x5c [ 54.864985][ T5128] should_fail+0x3bc/0x514 [ 54.865637][ T5128] __should_failslab+0xbc/0x10c [ 54.866348][ T5128] should_failslab+0x10/0x28 [ 54.867028][ T5128] slab_pre_alloc_hook+0x64/0xe8 [ 54.867789][ T5128] kmem_cache_alloc_trace+0x98/0x3ec [ 54.868561][ T5128] join_transaction+0x10c/0xa5c [ 54.869251][ T5128] start_transaction+0x914/0x13ec [ 54.870024][ T5128] btrfs_start_transaction+0x34/0x44 [ 54.870810][ T5128] _btrfs_ioctl_set_received_subvol+0x1d8/0xdbc [ 54.871827][ T5128] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 54.872698][ T5128] btrfs_ioctl+0x9d0/0xa8c [ 54.873314][ T5128] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.874002][ T5128] invoke_syscall+0x98/0x2b0 [ 54.874649][ T5128] el0_svc_common+0x138/0x258 [ 54.875317][ T5128] do_el0_svc+0x58/0x13c [ 54.875914][ T5128] el0_svc+0x78/0x1d0 [ 54.876492][ T5128] el0t_64_sync_handler+0xcc/0xe4 [ 54.877266][ T5128] el0t_64_sync+0x1a0/0x1a4 [ 54.894112][ T4490] Bluetooth: hci0: command 0x0419 tx timeout [ 55.054952][ T5149] loop0: detected capacity change from 0 to 32768 [ 55.058628][ T5149] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5149) [ 55.061857][ T5149] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.063220][ T5149] BTRFS info (device loop0): using free space tree [ 55.064508][ T5149] BTRFS info (device loop0): has skinny extents [ 55.072013][ T5149] BTRFS info (device loop0): enabling ssd optimizations [ 55.076928][ T5149] FAULT_INJECTION: forcing a failure. [ 55.076928][ T5149] name failslab, interval 1, probability 0, space 0, times 0 [ 55.079010][ T5149] CPU: 0 PID: 5149 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.080435][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.081888][ T5149] Call trace: [ 55.082307][ T5149] dump_backtrace+0x0/0x458 [ 55.082924][ T5149] show_stack+0x2c/0x3c [ 55.083504][ T5149] __dump_stack+0x30/0x40 [ 55.084143][ T5149] dump_stack_lvl+0xf4/0x15c [ 55.084834][ T5149] dump_stack+0x1c/0x5c [ 55.085477][ T5149] should_fail+0x3bc/0x514 [ 55.086166][ T5149] __should_failslab+0xbc/0x10c [ 55.086977][ T5149] should_failslab+0x10/0x28 [ 55.087691][ T5149] slab_pre_alloc_hook+0x64/0xe8 [ 55.088429][ T5149] kmem_cache_alloc_trace+0x98/0x3ec [ 55.089244][ T5149] join_transaction+0x10c/0xa5c [ 55.089918][ T5149] start_transaction+0x914/0x13ec [ 55.090711][ T5149] btrfs_start_transaction+0x34/0x44 [ 55.091565][ T5149] _btrfs_ioctl_set_received_subvol+0x1d8/0xdbc [ 55.092384][ T5149] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 55.093292][ T5149] btrfs_ioctl+0x9d0/0xa8c [ 55.093920][ T5149] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.094674][ T5149] invoke_syscall+0x98/0x2b0 [ 55.095388][ T5149] el0_svc_common+0x138/0x258 [ 55.096086][ T5149] do_el0_svc+0x58/0x13c [ 55.096749][ T5149] el0_svc+0x78/0x1d0 [ 55.097377][ T5149] el0t_64_sync_handler+0xcc/0xe4 [ 55.098170][ T5149] el0t_64_sync+0x1a0/0x1a4 [ 55.272074][ T5170] loop0: detected capacity change from 0 to 32768 [ 55.281469][ T5170] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5170) [ 55.285706][ T5170] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.287042][ T5170] BTRFS info (device loop0): using free space tree [ 55.287941][ T5170] BTRFS info (device loop0): has skinny extents [ 55.297251][ T5170] BTRFS info (device loop0): enabling ssd optimizations [ 55.302137][ T5170] FAULT_INJECTION: forcing a failure. [ 55.302137][ T5170] name failslab, interval 1, probability 0, space 0, times 0 [ 55.304352][ T5170] CPU: 1 PID: 5170 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.305683][ T5170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.307198][ T5170] Call trace: [ 55.307651][ T5170] dump_backtrace+0x0/0x458 [ 55.308339][ T5170] show_stack+0x2c/0x3c [ 55.308928][ T5170] __dump_stack+0x30/0x40 [ 55.309539][ T5170] dump_stack_lvl+0xf4/0x15c [ 55.310169][ T5170] dump_stack+0x1c/0x5c [ 55.310741][ T5170] should_fail+0x3bc/0x514 [ 55.311350][ T5170] __should_failslab+0xbc/0x10c [ 55.312079][ T5170] should_failslab+0x10/0x28 [ 55.312696][ T5170] slab_pre_alloc_hook+0x64/0xe8 [ 55.313423][ T5170] kmem_cache_alloc+0x94/0x3d4 [ 55.314176][ T5170] btrfs_alloc_path+0x5c/0x68 [ 55.314860][ T5170] btrfs_uuid_tree_remove+0x140/0x484 [ 55.315770][ T5170] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 55.316752][ T5170] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 55.317701][ T5170] btrfs_ioctl+0x9d0/0xa8c [ 55.318341][ T5170] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.319061][ T5170] invoke_syscall+0x98/0x2b0 [ 55.319713][ T5170] el0_svc_common+0x138/0x258 [ 55.320378][ T5170] do_el0_svc+0x58/0x13c [ 55.321012][ T5170] el0_svc+0x78/0x1d0 [ 55.321621][ T5170] el0t_64_sync_handler+0xcc/0xe4 [ 55.322383][ T5170] el0t_64_sync+0x1a0/0x1a4 [ 55.323252][ T5170] ------------[ cut here ]------------ [ 55.324145][ T5170] WARNING: CPU: 1 PID: 5170 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 55.325759][ T5170] Modules linked in: [ 55.326377][ T5170] CPU: 1 PID: 5170 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.327711][ T5170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.329199][ T5170] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.330290][ T5170] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 55.331232][ T5170] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 55.332194][ T5170] sp : ffff800021c67bf0 [ 55.332800][ T5170] x29: ffff800021c67c30 x28: dfff800000000000 x27: ffff0000d0c44000 [ 55.333986][ T5170] x26: ffff0000dd38e13f x25: ffff0000de8bb4d0 x24: ffff0000dd38e15f [ 55.335130][ T5170] x23: 00000000fffffff4 x22: 1fffe0001bd176a5 x21: ffff0000de8bb528 [ 55.336344][ T5170] x20: 00000000fffffff4 x19: ffff0000ca4e7180 x18: 0000000000000001 [ 55.337522][ T5170] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 55.338675][ T5170] x14: 0000000000000001 x13: 1ffff0000438ce9c x12: 0000000000ff0100 [ 55.339845][ T5170] x11: 0000000000000000 x10: 0000000000000000 x9 : a802f6ae78604d00 [ 55.341047][ T5170] x8 : a802f6ae78604d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.342197][ T5170] x5 : ffff800021c674f8 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 55.343353][ T5170] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.344534][ T5170] Call trace: [ 55.345018][ T5170] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 55.345992][ T5170] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 55.346920][ T5170] btrfs_ioctl+0x9d0/0xa8c [ 55.347613][ T5170] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.348368][ T5170] invoke_syscall+0x98/0x2b0 [ 55.349023][ T5170] el0_svc_common+0x138/0x258 [ 55.349778][ T5170] do_el0_svc+0x58/0x13c [ 55.350398][ T5170] el0_svc+0x78/0x1d0 [ 55.351036][ T5170] el0t_64_sync_handler+0xcc/0xe4 [ 55.351797][ T5170] el0t_64_sync+0x1a0/0x1a4 [ 55.352446][ T5170] irq event stamp: 79430 [ 55.353048][ T5170] hardirqs last enabled at (79429): [] __up_console_sem+0xb4/0xfc [ 55.354311][ T5170] hardirqs last disabled at (79430): [] el1_dbg+0x24/0x80 [ 55.355574][ T5170] softirqs last enabled at (79410): [] handle_softirqs+0xa40/0xbe4 [ 55.356947][ T5170] softirqs last disabled at (79391): [] __irq_exit_rcu+0x240/0x43c [ 55.358293][ T5170] ---[ end trace 52507aa86c71e9a4 ]--- [ 55.359550][ T5170] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 55.361232][ T5170] BTRFS info (device loop0): forced readonly [ 55.565041][ T5191] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5191) [ 55.568184][ T5191] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.569651][ T5191] BTRFS info (device loop0): using free space tree [ 55.570873][ T5191] BTRFS info (device loop0): has skinny extents [ 55.586635][ T5191] BTRFS info (device loop0): enabling ssd optimizations [ 55.591552][ T5191] FAULT_INJECTION: forcing a failure. [ 55.591552][ T5191] name failslab, interval 1, probability 0, space 0, times 0 [ 55.593620][ T5191] CPU: 1 PID: 5191 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.594948][ T5191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.596450][ T5191] Call trace: [ 55.596960][ T5191] dump_backtrace+0x0/0x458 [ 55.597634][ T5191] show_stack+0x2c/0x3c [ 55.598228][ T5191] __dump_stack+0x30/0x40 [ 55.598874][ T5191] dump_stack_lvl+0xf4/0x15c [ 55.599577][ T5191] dump_stack+0x1c/0x5c [ 55.600220][ T5191] should_fail+0x3bc/0x514 [ 55.600872][ T5191] __should_failslab+0xbc/0x10c [ 55.601558][ T5191] should_failslab+0x10/0x28 [ 55.602226][ T5191] slab_pre_alloc_hook+0x64/0xe8 [ 55.602986][ T5191] kmem_cache_alloc_trace+0x98/0x3ec [ 55.603704][ T5191] join_transaction+0x10c/0xa5c [ 55.604431][ T5191] start_transaction+0x914/0x13ec [ 55.605169][ T5191] btrfs_start_transaction+0x34/0x44 [ 55.605946][ T5191] _btrfs_ioctl_set_received_subvol+0x1d8/0xdbc [ 55.606868][ T5191] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 55.607747][ T5191] btrfs_ioctl+0x9d0/0xa8c [ 55.608418][ T5191] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.609138][ T5191] invoke_syscall+0x98/0x2b0 [ 55.609829][ T5191] el0_svc_common+0x138/0x258 [ 55.610555][ T5191] do_el0_svc+0x58/0x13c [ 55.611194][ T5191] el0_svc+0x78/0x1d0 [ 55.611768][ T5191] el0t_64_sync_handler+0xcc/0xe4 [ 55.612500][ T5191] el0t_64_sync+0x1a0/0x1a4 [ 55.796278][ T5212] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5212) [ 55.800959][ T5212] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 55.802422][ T5212] BTRFS info (device loop0): using free space tree [ 55.803388][ T5212] BTRFS info (device loop0): has skinny extents [ 55.812692][ T5212] BTRFS info (device loop0): enabling ssd optimizations [ 55.817773][ T5212] FAULT_INJECTION: forcing a failure. [ 55.817773][ T5212] name failslab, interval 1, probability 0, space 0, times 0 [ 55.819752][ T5212] CPU: 1 PID: 5212 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.821053][ T5212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.822516][ T5212] Call trace: [ 55.823008][ T5212] dump_backtrace+0x0/0x458 [ 55.823699][ T5212] show_stack+0x2c/0x3c [ 55.824360][ T5212] __dump_stack+0x30/0x40 [ 55.824997][ T5212] dump_stack_lvl+0xf4/0x15c [ 55.825666][ T5212] dump_stack+0x1c/0x5c [ 55.826288][ T5212] should_fail+0x3bc/0x514 [ 55.826976][ T5212] __should_failslab+0xbc/0x10c [ 55.827733][ T5212] should_failslab+0x10/0x28 [ 55.828399][ T5212] slab_pre_alloc_hook+0x64/0xe8 [ 55.829129][ T5212] kmem_cache_alloc+0x94/0x3d4 [ 55.829890][ T5212] btrfs_alloc_path+0x5c/0x68 [ 55.830552][ T5212] btrfs_uuid_tree_remove+0x140/0x484 [ 55.831349][ T5212] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 55.832302][ T5212] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 55.833190][ T5212] btrfs_ioctl+0x9d0/0xa8c [ 55.833877][ T5212] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.834634][ T5212] invoke_syscall+0x98/0x2b0 [ 55.835339][ T5212] el0_svc_common+0x138/0x258 [ 55.836027][ T5212] do_el0_svc+0x58/0x13c [ 55.836657][ T5212] el0_svc+0x78/0x1d0 [ 55.837210][ T5212] el0t_64_sync_handler+0xcc/0xe4 [ 55.837967][ T5212] el0t_64_sync+0x1a0/0x1a4 [ 55.839686][ T5212] ------------[ cut here ]------------ [ 55.840610][ T5212] WARNING: CPU: 1 PID: 5212 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 55.842240][ T5212] Modules linked in: [ 55.842851][ T5212] CPU: 1 PID: 5212 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 55.844133][ T5212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 55.845504][ T5212] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 55.846683][ T5212] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 55.847616][ T5212] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 55.848655][ T5212] sp : ffff800021f57bf0 [ 55.849293][ T5212] x29: ffff800021f57c30 x28: dfff800000000000 x27: ffff0000dcdbc000 [ 55.850460][ T5212] x26: ffff0000e431013f x25: ffff0000cfd602c0 x24: ffff0000e431015f [ 55.851686][ T5212] x23: 00000000fffffff4 x22: 1fffe00019fac063 x21: ffff0000cfd60318 [ 55.852849][ T5212] x20: 00000000fffffff4 x19: ffff0000db712280 x18: 0000000000000001 [ 55.854043][ T5212] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 55.855196][ T5212] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 55.856391][ T5212] x11: 0000000000000000 x10: 0000000000000000 x9 : c28ec034479bae00 [ 55.857605][ T5212] x8 : c28ec034479bae00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.858789][ T5212] x5 : ffff800021f574f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 55.860016][ T5212] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.861126][ T5212] Call trace: [ 55.861573][ T5212] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 55.862459][ T5212] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 55.863348][ T5212] btrfs_ioctl+0x9d0/0xa8c [ 55.864002][ T5212] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.864701][ T5212] invoke_syscall+0x98/0x2b0 [ 55.865324][ T5212] el0_svc_common+0x138/0x258 [ 55.865975][ T5212] do_el0_svc+0x58/0x13c [ 55.866575][ T5212] el0_svc+0x78/0x1d0 [ 55.867244][ T5212] el0t_64_sync_handler+0xcc/0xe4 [ 55.867968][ T5212] el0t_64_sync+0x1a0/0x1a4 [ 55.868614][ T5212] irq event stamp: 79172 [ 55.869190][ T5212] hardirqs last enabled at (79171): [] __up_console_sem+0xb4/0xfc [ 55.870486][ T5212] hardirqs last disabled at (79172): [] el1_dbg+0x24/0x80 [ 55.871772][ T5212] softirqs last enabled at (79152): [] handle_softirqs+0xa40/0xbe4 [ 55.873154][ T5212] softirqs last disabled at (79105): [] __irq_exit_rcu+0x240/0x43c [ 55.874502][ T5212] ---[ end trace 52507aa86c71e9a5 ]--- [ 55.876092][ T5212] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 55.877619][ T5212] BTRFS info (device loop0): forced readonly [ 56.058001][ T5233] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5233) [ 56.062360][ T5233] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.063767][ T5233] BTRFS info (device loop0): using free space tree [ 56.064736][ T5233] BTRFS info (device loop0): has skinny extents [ 56.078525][ T5233] BTRFS info (device loop0): enabling ssd optimizations [ 56.083199][ T5233] FAULT_INJECTION: forcing a failure. [ 56.083199][ T5233] name failslab, interval 1, probability 0, space 0, times 0 [ 56.085308][ T5233] CPU: 0 PID: 5233 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.086786][ T5233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.088311][ T5233] Call trace: [ 56.088839][ T5233] dump_backtrace+0x0/0x458 [ 56.089504][ T5233] show_stack+0x2c/0x3c [ 56.090150][ T5233] __dump_stack+0x30/0x40 [ 56.090813][ T5233] dump_stack_lvl+0xf4/0x15c [ 56.091544][ T5233] dump_stack+0x1c/0x5c [ 56.092145][ T5233] should_fail+0x3bc/0x514 [ 56.092816][ T5233] __should_failslab+0xbc/0x10c [ 56.093494][ T5233] should_failslab+0x10/0x28 [ 56.094233][ T5233] slab_pre_alloc_hook+0x64/0xe8 [ 56.094967][ T5233] kmem_cache_alloc+0x94/0x3d4 [ 56.095681][ T5233] btrfs_alloc_path+0x5c/0x68 [ 56.096340][ T5233] btrfs_uuid_tree_remove+0x140/0x484 [ 56.097141][ T5233] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 56.098085][ T5233] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 56.098953][ T5233] btrfs_ioctl+0x9d0/0xa8c [ 56.099660][ T5233] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.100397][ T5233] invoke_syscall+0x98/0x2b0 [ 56.101097][ T5233] el0_svc_common+0x138/0x258 [ 56.101798][ T5233] do_el0_svc+0x58/0x13c [ 56.102418][ T5233] el0_svc+0x78/0x1d0 [ 56.102997][ T5233] el0t_64_sync_handler+0xcc/0xe4 [ 56.103728][ T5233] el0t_64_sync+0x1a0/0x1a4 [ 56.104623][ T5233] ------------[ cut here ]------------ [ 56.105523][ T5233] WARNING: CPU: 0 PID: 5233 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.107130][ T5233] Modules linked in: [ 56.107708][ T5233] CPU: 0 PID: 5233 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.109118][ T5233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.110635][ T5233] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.111703][ T5233] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.112647][ T5233] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.113623][ T5233] sp : ffff800022347bf0 [ 56.114238][ T5233] x29: ffff800022347c30 x28: dfff800000000000 x27: ffff0000dcdbc000 [ 56.115441][ T5233] x26: ffff0000d996e13f x25: ffff0000dc9cb420 x24: ffff0000d996e15f [ 56.116672][ T5233] x23: 00000000fffffff4 x22: 1fffe0001b93968f x21: ffff0000dc9cb478 [ 56.117861][ T5233] x20: 00000000fffffff4 x19: ffff0000dc508000 x18: 0000000000000001 [ 56.118979][ T5233] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 56.120146][ T5233] x14: 0000000000000001 x13: 1ffff00004468e9c x12: 0000000000ff0100 [ 56.121335][ T5233] x11: 0000000000000000 x10: 0000000000000000 x9 : 90fc99447ec38f00 [ 56.122512][ T5233] x8 : 90fc99447ec38f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.123687][ T5233] x5 : ffff8000223474f8 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 56.124885][ T5233] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.126141][ T5233] Call trace: [ 56.126644][ T5233] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.127646][ T5233] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 56.128662][ T5233] btrfs_ioctl+0x9d0/0xa8c [ 56.129308][ T5233] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.130062][ T5233] invoke_syscall+0x98/0x2b0 [ 56.130696][ T5233] el0_svc_common+0x138/0x258 [ 56.131360][ T5233] do_el0_svc+0x58/0x13c [ 56.131997][ T5233] el0_svc+0x78/0x1d0 [ 56.132606][ T5233] el0t_64_sync_handler+0xcc/0xe4 [ 56.133340][ T5233] el0t_64_sync+0x1a0/0x1a4 [ 56.134027][ T5233] irq event stamp: 79530 [ 56.134607][ T5233] hardirqs last enabled at (79529): [] __up_console_sem+0xb4/0xfc [ 56.136010][ T5233] hardirqs last disabled at (79530): [] el1_dbg+0x24/0x80 [ 56.137217][ T5233] softirqs last enabled at (79510): [] handle_softirqs+0xa40/0xbe4 [ 56.138615][ T5233] softirqs last disabled at (79487): [] __irq_exit_rcu+0x240/0x43c [ 56.139973][ T5233] ---[ end trace 52507aa86c71e9a6 ]--- [ 56.141085][ T5233] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 56.142901][ T5233] BTRFS info (device loop0): forced readonly [ 56.324964][ T5254] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5254) [ 56.328574][ T5254] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.330144][ T5254] BTRFS info (device loop0): using free space tree [ 56.331110][ T5254] BTRFS info (device loop0): has skinny extents [ 56.343679][ T5254] BTRFS info (device loop0): enabling ssd optimizations [ 56.348831][ T5254] FAULT_INJECTION: forcing a failure. [ 56.348831][ T5254] name failslab, interval 1, probability 0, space 0, times 0 [ 56.350801][ T5254] CPU: 0 PID: 5254 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.352128][ T5254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.353704][ T5254] Call trace: [ 56.354172][ T5254] dump_backtrace+0x0/0x458 [ 56.354836][ T5254] show_stack+0x2c/0x3c [ 56.355411][ T5254] __dump_stack+0x30/0x40 [ 56.356068][ T5254] dump_stack_lvl+0xf4/0x15c [ 56.356712][ T5254] dump_stack+0x1c/0x5c [ 56.357316][ T5254] should_fail+0x3bc/0x514 [ 56.357960][ T5254] __should_failslab+0xbc/0x10c [ 56.358640][ T5254] should_failslab+0x10/0x28 [ 56.359259][ T5254] slab_pre_alloc_hook+0x64/0xe8 [ 56.359969][ T5254] kmem_cache_alloc+0x94/0x3d4 [ 56.360693][ T5254] btrfs_alloc_path+0x5c/0x68 [ 56.361383][ T5254] btrfs_uuid_tree_remove+0x140/0x484 [ 56.362141][ T5254] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 56.363105][ T5254] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 56.364013][ T5254] btrfs_ioctl+0x9d0/0xa8c [ 56.364671][ T5254] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.365408][ T5254] invoke_syscall+0x98/0x2b0 [ 56.366111][ T5254] el0_svc_common+0x138/0x258 [ 56.366780][ T5254] do_el0_svc+0x58/0x13c [ 56.367445][ T5254] el0_svc+0x78/0x1d0 [ 56.368024][ T5254] el0t_64_sync_handler+0xcc/0xe4 [ 56.368729][ T5254] el0t_64_sync+0x1a0/0x1a4 [ 56.369584][ T5254] ------------[ cut here ]------------ [ 56.370526][ T5254] WARNING: CPU: 0 PID: 5254 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.372099][ T5254] Modules linked in: [ 56.372609][ T5254] CPU: 0 PID: 5254 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.374072][ T5254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.375526][ T5254] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.376640][ T5254] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.377554][ T5254] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.378563][ T5254] sp : ffff800022627bf0 [ 56.379106][ T5254] x29: ffff800022627c30 x28: dfff800000000000 x27: ffff0000c9024000 [ 56.380288][ T5254] x26: ffff0000e4e4013f x25: ffff0000dc9cb580 x24: ffff0000e4e4015f [ 56.381491][ T5254] x23: 00000000fffffff4 x22: 1fffe0001b9396bb x21: ffff0000dc9cb5d8 [ 56.382669][ T5254] x20: 00000000fffffff4 x19: ffff0000dc52c780 x18: 0000000000000001 [ 56.383883][ T5254] x17: 0000000000000000 x16: ffff800008304ad4 x15: 00000000ffffffff [ 56.384991][ T5254] x14: 0000000000000001 x13: 1ffff000044c4e9c x12: 0000000000ff0100 [ 56.386181][ T5254] x11: 0000000000000000 x10: 0000000000000000 x9 : 55c854a4a51a4c00 [ 56.387375][ T5254] x8 : 55c854a4a51a4c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.388572][ T5254] x5 : ffff8000226274f8 x4 : ffff80001436f3e0 x3 : ffff800008304be4 [ 56.389682][ T5254] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.390837][ T5254] Call trace: [ 56.391347][ T5254] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.392203][ T5254] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 56.393140][ T5254] btrfs_ioctl+0x9d0/0xa8c [ 56.393788][ T5254] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.394618][ T5254] invoke_syscall+0x98/0x2b0 [ 56.395281][ T5254] el0_svc_common+0x138/0x258 [ 56.395963][ T5254] do_el0_svc+0x58/0x13c [ 56.396596][ T5254] el0_svc+0x78/0x1d0 [ 56.397172][ T5254] el0t_64_sync_handler+0xcc/0xe4 [ 56.397874][ T5254] el0t_64_sync+0x1a0/0x1a4 [ 56.398522][ T5254] irq event stamp: 79386 [ 56.399113][ T5254] hardirqs last enabled at (79385): [] __up_console_sem+0xb4/0xfc [ 56.400478][ T5254] hardirqs last disabled at (79386): [] el1_dbg+0x24/0x80 [ 56.401707][ T5254] softirqs last enabled at (79366): [] handle_softirqs+0xa40/0xbe4 [ 56.403109][ T5254] softirqs last disabled at (79349): [] __irq_exit_rcu+0x240/0x43c [ 56.404498][ T5254] ---[ end trace 52507aa86c71e9a7 ]--- [ 56.405770][ T5254] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 56.407383][ T5254] BTRFS info (device loop0): forced readonly [ 56.573570][ T5275] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5275) [ 56.576711][ T5275] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.578109][ T5275] BTRFS info (device loop0): using free space tree [ 56.579051][ T5275] BTRFS info (device loop0): has skinny extents [ 56.591879][ T5275] BTRFS info (device loop0): enabling ssd optimizations [ 56.597470][ T5275] FAULT_INJECTION: forcing a failure. [ 56.597470][ T5275] name failslab, interval 1, probability 0, space 0, times 0 [ 56.599514][ T5275] CPU: 0 PID: 5275 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.600828][ T5275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.602320][ T5275] Call trace: [ 56.602796][ T5275] dump_backtrace+0x0/0x458 [ 56.603463][ T5275] show_stack+0x2c/0x3c [ 56.604081][ T5275] __dump_stack+0x30/0x40 [ 56.604705][ T5275] dump_stack_lvl+0xf4/0x15c [ 56.605425][ T5275] dump_stack+0x1c/0x5c [ 56.606044][ T5275] should_fail+0x3bc/0x514 [ 56.606702][ T5275] __should_failslab+0xbc/0x10c [ 56.607431][ T5275] should_failslab+0x10/0x28 [ 56.608122][ T5275] slab_pre_alloc_hook+0x64/0xe8 [ 56.608855][ T5275] kmem_cache_alloc+0x94/0x3d4 [ 56.609537][ T5275] btrfs_alloc_path+0x5c/0x68 [ 56.610226][ T5275] btrfs_uuid_tree_remove+0x140/0x484 [ 56.611039][ T5275] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 56.611966][ T5275] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 56.612874][ T5275] btrfs_ioctl+0x9d0/0xa8c [ 56.613576][ T5275] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.614314][ T5275] invoke_syscall+0x98/0x2b0 [ 56.614982][ T5275] el0_svc_common+0x138/0x258 [ 56.615710][ T5275] do_el0_svc+0x58/0x13c [ 56.616287][ T5275] el0_svc+0x78/0x1d0 [ 56.616907][ T5275] el0t_64_sync_handler+0xcc/0xe4 [ 56.617635][ T5275] el0t_64_sync+0x1a0/0x1a4 [ 56.619807][ T5275] ------------[ cut here ]------------ [ 56.620775][ T5275] WARNING: CPU: 0 PID: 5275 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.622457][ T5275] Modules linked in: [ 56.623124][ T5275] CPU: 0 PID: 5275 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.624567][ T5275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.626053][ T5275] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.627221][ T5275] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.628244][ T5275] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.629220][ T5275] sp : ffff800022617bf0 [ 56.629786][ T5275] x29: ffff800022617c30 x28: dfff800000000000 x27: ffff0000c9024000 [ 56.631030][ T5275] x26: ffff0000c1db213f x25: ffff0000dc9cb6e0 x24: ffff0000c1db215f [ 56.632270][ T5275] x23: 00000000fffffff4 x22: 1fffe0001b9396e7 x21: ffff0000dc9cb738 [ 56.633457][ T5275] x20: 00000000fffffff4 x19: ffff0000d5f7db80 x18: 0000000000000001 [ 56.634621][ T5275] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 56.635747][ T5275] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 56.636963][ T5275] x11: 0000000000000000 x10: 0000000000000000 x9 : 2d376caea5297b00 [ 56.638144][ T5275] x8 : 2d376caea5297b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.639314][ T5275] x5 : ffff8000226174f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 56.640505][ T5275] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.641735][ T5275] Call trace: [ 56.642265][ T5275] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.643203][ T5275] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 56.644182][ T5275] btrfs_ioctl+0x9d0/0xa8c [ 56.644895][ T5275] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.645650][ T5275] invoke_syscall+0x98/0x2b0 [ 56.646363][ T5275] el0_svc_common+0x138/0x258 [ 56.647059][ T5275] do_el0_svc+0x58/0x13c [ 56.647672][ T5275] el0_svc+0x78/0x1d0 [ 56.648276][ T5275] el0t_64_sync_handler+0xcc/0xe4 [ 56.649013][ T5275] el0t_64_sync+0x1a0/0x1a4 [ 56.649667][ T5275] irq event stamp: 79210 [ 56.650309][ T5275] hardirqs last enabled at (79209): [] __up_console_sem+0xb4/0xfc [ 56.651725][ T5275] hardirqs last disabled at (79210): [] el1_dbg+0x24/0x80 [ 56.652986][ T5275] softirqs last enabled at (79190): [] handle_softirqs+0xa40/0xbe4 [ 56.654440][ T5275] softirqs last disabled at (79161): [] __irq_exit_rcu+0x240/0x43c [ 56.655813][ T5275] ---[ end trace 52507aa86c71e9a8 ]--- [ 56.657305][ T5275] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 56.658908][ T5275] BTRFS info (device loop0): forced readonly 1970/01/01 00:00:56 executed programs: 33 [ 56.831637][ T5296] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5296) [ 56.835352][ T5296] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.836877][ T5296] BTRFS info (device loop0): using free space tree [ 56.837852][ T5296] BTRFS info (device loop0): has skinny extents [ 56.849451][ T5296] BTRFS info (device loop0): enabling ssd optimizations [ 56.854011][ T5296] FAULT_INJECTION: forcing a failure. [ 56.854011][ T5296] name failslab, interval 1, probability 0, space 0, times 0 [ 56.856849][ T5296] CPU: 1 PID: 5296 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.858267][ T5296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.860005][ T5296] Call trace: [ 56.860566][ T5296] dump_backtrace+0x0/0x458 [ 56.861307][ T5296] show_stack+0x2c/0x3c [ 56.861916][ T5296] __dump_stack+0x30/0x40 [ 56.862538][ T5296] dump_stack_lvl+0xf4/0x15c [ 56.863220][ T5296] dump_stack+0x1c/0x5c [ 56.863835][ T5296] should_fail+0x3bc/0x514 [ 56.864508][ T5296] __should_failslab+0xbc/0x10c [ 56.865198][ T5296] should_failslab+0x10/0x28 [ 56.865852][ T5296] slab_pre_alloc_hook+0x64/0xe8 [ 56.866575][ T5296] kmem_cache_alloc+0x94/0x3d4 [ 56.867280][ T5296] btrfs_alloc_path+0x5c/0x68 [ 56.867932][ T5296] btrfs_uuid_tree_remove+0x140/0x484 [ 56.868726][ T5296] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 56.869626][ T5296] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 56.870561][ T5296] btrfs_ioctl+0x9d0/0xa8c [ 56.871284][ T5296] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.872024][ T5296] invoke_syscall+0x98/0x2b0 [ 56.872728][ T5296] el0_svc_common+0x138/0x258 [ 56.873448][ T5296] do_el0_svc+0x58/0x13c [ 56.874115][ T5296] el0_svc+0x78/0x1d0 [ 56.874698][ T5296] el0t_64_sync_handler+0xcc/0xe4 [ 56.875437][ T5296] el0t_64_sync+0x1a0/0x1a4 [ 56.877512][ T5296] ------------[ cut here ]------------ [ 56.878516][ T5296] WARNING: CPU: 1 PID: 5296 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.880216][ T5296] Modules linked in: [ 56.880830][ T5296] CPU: 1 PID: 5296 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 56.882270][ T5296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 56.883744][ T5296] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 56.884888][ T5296] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.885871][ T5296] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.886798][ T5296] sp : ffff8000227e7bf0 [ 56.887419][ T5296] x29: ffff8000227e7c30 x28: dfff800000000000 x27: ffff0000d2a1c000 [ 56.888623][ T5296] x26: ffff0000c2d7e13f x25: ffff0000cfd60420 x24: ffff0000c2d7e15f [ 56.889849][ T5296] x23: 00000000fffffff4 x22: 1fffe00019fac08f x21: ffff0000cfd60478 [ 56.891020][ T5296] x20: 00000000fffffff4 x19: ffff0000d5586a00 x18: 0000000000000001 [ 56.892149][ T5296] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 56.893349][ T5296] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 56.894578][ T5296] x11: 0000000000000000 x10: 0000000000000000 x9 : 79f5bb169c779f00 [ 56.895799][ T5296] x8 : 79f5bb169c779f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.896940][ T5296] x5 : ffff8000227e74f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 56.898151][ T5296] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.899271][ T5296] Call trace: [ 56.899742][ T5296] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 56.900698][ T5296] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 56.901545][ T5296] btrfs_ioctl+0x9d0/0xa8c [ 56.902174][ T5296] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.902926][ T5296] invoke_syscall+0x98/0x2b0 [ 56.903566][ T5296] el0_svc_common+0x138/0x258 [ 56.904296][ T5296] do_el0_svc+0x58/0x13c [ 56.904911][ T5296] el0_svc+0x78/0x1d0 [ 56.905497][ T5296] el0t_64_sync_handler+0xcc/0xe4 [ 56.906235][ T5296] el0t_64_sync+0x1a0/0x1a4 [ 56.906901][ T5296] irq event stamp: 79204 [ 56.907502][ T5296] hardirqs last enabled at (79203): [] __up_console_sem+0xb4/0xfc [ 56.908866][ T5296] hardirqs last disabled at (79204): [] el1_dbg+0x24/0x80 [ 56.910183][ T5296] softirqs last enabled at (79184): [] handle_softirqs+0xa40/0xbe4 [ 56.911543][ T5296] softirqs last disabled at (79169): [] __irq_exit_rcu+0x240/0x43c [ 56.912958][ T5296] ---[ end trace 52507aa86c71e9a9 ]--- [ 56.914922][ T5296] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 56.916617][ T5296] BTRFS info (device loop0): forced readonly [ 57.102699][ T5317] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5317) [ 57.106121][ T5317] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.107604][ T5317] BTRFS info (device loop0): using free space tree [ 57.108622][ T5317] BTRFS info (device loop0): has skinny extents [ 57.116142][ T5317] BTRFS info (device loop0): enabling ssd optimizations [ 57.121029][ T5317] FAULT_INJECTION: forcing a failure. [ 57.121029][ T5317] name failslab, interval 1, probability 0, space 0, times 0 [ 57.122789][ T5317] CPU: 1 PID: 5317 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.124106][ T5317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.125576][ T5317] Call trace: [ 57.126023][ T5317] dump_backtrace+0x0/0x458 [ 57.126646][ T5317] show_stack+0x2c/0x3c [ 57.127287][ T5317] __dump_stack+0x30/0x40 [ 57.127976][ T5317] dump_stack_lvl+0xf4/0x15c [ 57.128689][ T5317] dump_stack+0x1c/0x5c [ 57.129292][ T5317] should_fail+0x3bc/0x514 [ 57.129969][ T5317] __should_failslab+0xbc/0x10c [ 57.130710][ T5317] should_failslab+0x10/0x28 [ 57.131548][ T5317] slab_pre_alloc_hook+0x64/0xe8 [ 57.132316][ T5317] kmem_cache_alloc+0x94/0x3d4 [ 57.133054][ T5317] btrfs_alloc_path+0x5c/0x68 [ 57.133763][ T5317] btrfs_uuid_tree_remove+0x140/0x484 [ 57.134555][ T5317] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 57.135510][ T5317] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 57.136412][ T5317] btrfs_ioctl+0x9d0/0xa8c [ 57.137085][ T5317] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.137857][ T5317] invoke_syscall+0x98/0x2b0 [ 57.138535][ T5317] el0_svc_common+0x138/0x258 [ 57.139217][ T5317] do_el0_svc+0x58/0x13c [ 57.139862][ T5317] el0_svc+0x78/0x1d0 [ 57.140491][ T5317] el0t_64_sync_handler+0xcc/0xe4 [ 57.141259][ T5317] el0t_64_sync+0x1a0/0x1a4 [ 57.143436][ T5317] ------------[ cut here ]------------ [ 57.144506][ T5317] WARNING: CPU: 1 PID: 5317 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.146106][ T5317] Modules linked in: [ 57.146736][ T5317] CPU: 1 PID: 5317 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.148090][ T5317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.149445][ T5317] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.150576][ T5317] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.151530][ T5317] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.152489][ T5317] sp : ffff800022cf7bf0 [ 57.153062][ T5317] x29: ffff800022cf7c30 x28: dfff800000000000 x27: ffff0000d2a1c000 [ 57.154212][ T5317] x26: ffff0000dad4213f x25: ffff0000cfd60580 x24: ffff0000dad4215f [ 57.155376][ T5317] x23: 00000000fffffff4 x22: 1fffe00019fac0bb x21: ffff0000cfd605d8 [ 57.156580][ T5317] x20: 00000000fffffff4 x19: ffff0000c9e01180 x18: 0000000000000001 [ 57.157752][ T5317] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 57.159050][ T5317] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 57.160186][ T5317] x11: 0000000000000000 x10: 0000000000000000 x9 : e50f8abe028b9600 [ 57.161362][ T5317] x8 : e50f8abe028b9600 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.162632][ T5317] x5 : ffff800022cf74f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 57.163872][ T5317] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.165138][ T5317] Call trace: [ 57.165636][ T5317] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.166552][ T5317] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 57.167387][ T5317] btrfs_ioctl+0x9d0/0xa8c [ 57.168105][ T5317] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.168842][ T5317] invoke_syscall+0x98/0x2b0 [ 57.169536][ T5317] el0_svc_common+0x138/0x258 [ 57.170186][ T5317] do_el0_svc+0x58/0x13c [ 57.170842][ T5317] el0_svc+0x78/0x1d0 [ 57.171465][ T5317] el0t_64_sync_handler+0xcc/0xe4 [ 57.172171][ T5317] el0t_64_sync+0x1a0/0x1a4 [ 57.172848][ T5317] irq event stamp: 79432 [ 57.173500][ T5317] hardirqs last enabled at (79431): [] __up_console_sem+0xb4/0xfc [ 57.174845][ T5317] hardirqs last disabled at (79432): [] el1_dbg+0x24/0x80 [ 57.176103][ T5317] softirqs last enabled at (79422): [] handle_softirqs+0xa40/0xbe4 [ 57.177451][ T5317] softirqs last disabled at (79413): [] __irq_exit_rcu+0x240/0x43c [ 57.178824][ T5317] ---[ end trace 52507aa86c71e9aa ]--- [ 57.181062][ T5317] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 57.183017][ T5317] BTRFS info (device loop0): forced readonly [ 57.366731][ T5338] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5338) [ 57.373781][ T5338] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.375222][ T5338] BTRFS info (device loop0): using free space tree [ 57.376153][ T5338] BTRFS info (device loop0): has skinny extents [ 57.396427][ T5338] BTRFS info (device loop0): enabling ssd optimizations [ 57.401476][ T5338] FAULT_INJECTION: forcing a failure. [ 57.401476][ T5338] name failslab, interval 1, probability 0, space 0, times 0 [ 57.403618][ T5338] CPU: 1 PID: 5338 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.405011][ T5338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.406437][ T5338] Call trace: [ 57.406893][ T5338] dump_backtrace+0x0/0x458 [ 57.407540][ T5338] show_stack+0x2c/0x3c [ 57.408133][ T5338] __dump_stack+0x30/0x40 [ 57.408769][ T5338] dump_stack_lvl+0xf4/0x15c [ 57.409414][ T5338] dump_stack+0x1c/0x5c [ 57.410057][ T5338] should_fail+0x3bc/0x514 [ 57.410750][ T5338] __should_failslab+0xbc/0x10c [ 57.411478][ T5338] should_failslab+0x10/0x28 [ 57.412228][ T5338] slab_pre_alloc_hook+0x64/0xe8 [ 57.412960][ T5338] kmem_cache_alloc+0x94/0x3d4 [ 57.413678][ T5338] btrfs_alloc_path+0x5c/0x68 [ 57.414371][ T5338] btrfs_uuid_tree_remove+0x140/0x484 [ 57.415119][ T5338] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 57.416127][ T5338] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 57.417051][ T5338] btrfs_ioctl+0x9d0/0xa8c [ 57.417710][ T5338] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.418445][ T5338] invoke_syscall+0x98/0x2b0 [ 57.419097][ T5338] el0_svc_common+0x138/0x258 [ 57.419778][ T5338] do_el0_svc+0x58/0x13c [ 57.420410][ T5338] el0_svc+0x78/0x1d0 [ 57.420980][ T5338] el0t_64_sync_handler+0xcc/0xe4 [ 57.421755][ T5338] el0t_64_sync+0x1a0/0x1a4 [ 57.425128][ T5338] ------------[ cut here ]------------ [ 57.426095][ T5338] WARNING: CPU: 1 PID: 5338 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.427689][ T5338] Modules linked in: [ 57.428304][ T5338] CPU: 1 PID: 5338 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.429662][ T5338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.431147][ T5338] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.432301][ T5338] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.433277][ T5338] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.434281][ T5338] sp : ffff800022347bf0 [ 57.434893][ T5338] x29: ffff800022347c30 x28: dfff800000000000 x27: ffff0000d5440000 [ 57.436138][ T5338] x26: ffff0000c972413f x25: ffff0000cfd606e0 x24: ffff0000c972415f [ 57.437299][ T5338] x23: 00000000fffffff4 x22: 1fffe00019fac0e7 x21: ffff0000cfd60738 [ 57.438519][ T5338] x20: 00000000fffffff4 x19: ffff0000c9d02280 x18: 0000000000000001 [ 57.439790][ T5338] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 57.441048][ T5338] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 57.442315][ T5338] x11: 0000000000000000 x10: 0000000000000000 x9 : 3d81fed16ace1200 [ 57.443469][ T5338] x8 : 3d81fed16ace1200 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.444629][ T5338] x5 : ffff8000223474f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 57.445780][ T5338] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.446927][ T5338] Call trace: [ 57.447407][ T5338] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.448298][ T5338] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 57.449217][ T5338] btrfs_ioctl+0x9d0/0xa8c [ 57.449823][ T5338] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.450581][ T5338] invoke_syscall+0x98/0x2b0 [ 57.451261][ T5338] el0_svc_common+0x138/0x258 [ 57.451963][ T5338] do_el0_svc+0x58/0x13c [ 57.452579][ T5338] el0_svc+0x78/0x1d0 [ 57.453180][ T5338] el0t_64_sync_handler+0xcc/0xe4 [ 57.453963][ T5338] el0t_64_sync+0x1a0/0x1a4 [ 57.454633][ T5338] irq event stamp: 79536 [ 57.455235][ T5338] hardirqs last enabled at (79535): [] __up_console_sem+0xb4/0xfc [ 57.456643][ T5338] hardirqs last disabled at (79536): [] el1_dbg+0x24/0x80 [ 57.457987][ T5338] softirqs last enabled at (79516): [] handle_softirqs+0xa40/0xbe4 [ 57.459447][ T5338] softirqs last disabled at (79503): [] __irq_exit_rcu+0x240/0x43c [ 57.460861][ T5338] ---[ end trace 52507aa86c71e9ab ]--- [ 57.462493][ T5338] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 57.464148][ T5338] BTRFS info (device loop0): forced readonly [ 57.624864][ T5359] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5359) [ 57.631900][ T5359] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.633349][ T5359] BTRFS info (device loop0): using free space tree [ 57.635064][ T5359] BTRFS info (device loop0): has skinny extents [ 57.655392][ T5359] BTRFS info (device loop0): enabling ssd optimizations [ 57.660474][ T5359] FAULT_INJECTION: forcing a failure. [ 57.660474][ T5359] name failslab, interval 1, probability 0, space 0, times 0 [ 57.662581][ T5359] CPU: 0 PID: 5359 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.663987][ T5359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.665479][ T5359] Call trace: [ 57.665981][ T5359] dump_backtrace+0x0/0x458 [ 57.666658][ T5359] show_stack+0x2c/0x3c [ 57.667281][ T5359] __dump_stack+0x30/0x40 [ 57.668007][ T5359] dump_stack_lvl+0xf4/0x15c [ 57.668758][ T5359] dump_stack+0x1c/0x5c [ 57.669349][ T5359] should_fail+0x3bc/0x514 [ 57.670009][ T5359] __should_failslab+0xbc/0x10c [ 57.670752][ T5359] should_failslab+0x10/0x28 [ 57.671464][ T5359] slab_pre_alloc_hook+0x64/0xe8 [ 57.672192][ T5359] kmem_cache_alloc+0x94/0x3d4 [ 57.672882][ T5359] btrfs_alloc_path+0x5c/0x68 [ 57.673549][ T5359] btrfs_uuid_tree_remove+0x140/0x484 [ 57.674329][ T5359] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 57.675276][ T5359] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 57.676210][ T5359] btrfs_ioctl+0x9d0/0xa8c [ 57.676863][ T5359] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.677577][ T5359] invoke_syscall+0x98/0x2b0 [ 57.678291][ T5359] el0_svc_common+0x138/0x258 [ 57.679065][ T5359] do_el0_svc+0x58/0x13c [ 57.679681][ T5359] el0_svc+0x78/0x1d0 [ 57.680236][ T5359] el0t_64_sync_handler+0xcc/0xe4 [ 57.680991][ T5359] el0t_64_sync+0x1a0/0x1a4 [ 57.683721][ T5359] ------------[ cut here ]------------ [ 57.684778][ T5359] WARNING: CPU: 0 PID: 5359 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.686454][ T5359] Modules linked in: [ 57.687074][ T5359] CPU: 0 PID: 5359 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.688534][ T5359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.690042][ T5359] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.691211][ T5359] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.692237][ T5359] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.693300][ T5359] sp : ffff8000228b7bf0 [ 57.694001][ T5359] x29: ffff8000228b7c30 x28: dfff800000000000 x27: ffff0000d6010000 [ 57.695281][ T5359] x26: ffff0000cb8f613f x25: ffff0000dc9cb840 x24: ffff0000cb8f615f [ 57.696568][ T5359] x23: 00000000fffffff4 x22: 1fffe0001b939713 x21: ffff0000dc9cb898 [ 57.697763][ T5359] x20: 00000000fffffff4 x19: ffff0000cb5cf180 x18: 0000000000000001 [ 57.698985][ T5359] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 57.700274][ T5359] x14: 0000000000000001 x13: 1fffe000341f07ab x12: 0000000000ff0100 [ 57.701488][ T5359] x11: 0000000000000000 x10: 0000000000000000 x9 : a3a0a9d0d5b75600 [ 57.702726][ T5359] x8 : a3a0a9d0d5b75600 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.703915][ T5359] x5 : ffff8000228b74f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 57.705226][ T5359] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.706550][ T5359] Call trace: [ 57.707071][ T5359] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.708108][ T5359] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 57.709097][ T5359] btrfs_ioctl+0x9d0/0xa8c [ 57.709878][ T5359] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.710610][ T5359] invoke_syscall+0x98/0x2b0 [ 57.711289][ T5359] el0_svc_common+0x138/0x258 [ 57.712009][ T5359] do_el0_svc+0x58/0x13c [ 57.712669][ T5359] el0_svc+0x78/0x1d0 [ 57.713265][ T5359] el0t_64_sync_handler+0xcc/0xe4 [ 57.714041][ T5359] el0t_64_sync+0x1a0/0x1a4 [ 57.714732][ T5359] irq event stamp: 79792 [ 57.715327][ T5359] hardirqs last enabled at (79791): [] __up_console_sem+0xb4/0xfc [ 57.716793][ T5359] hardirqs last disabled at (79792): [] el1_dbg+0x24/0x80 [ 57.718070][ T5359] softirqs last enabled at (79780): [] handle_softirqs+0xa40/0xbe4 [ 57.719480][ T5359] softirqs last disabled at (79769): [] __irq_exit_rcu+0x240/0x43c [ 57.720867][ T5359] ---[ end trace 52507aa86c71e9ac ]--- [ 57.722509][ T5359] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 57.724133][ T5359] BTRFS info (device loop0): forced readonly [ 57.893552][ T5380] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5380) [ 57.897167][ T5380] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.898614][ T5380] BTRFS info (device loop0): using free space tree [ 57.899735][ T5380] BTRFS info (device loop0): has skinny extents [ 57.911767][ T5380] BTRFS info (device loop0): enabling ssd optimizations [ 57.916749][ T5380] FAULT_INJECTION: forcing a failure. [ 57.916749][ T5380] name failslab, interval 1, probability 0, space 0, times 0 [ 57.918766][ T5380] CPU: 1 PID: 5380 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.920099][ T5380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.921565][ T5380] Call trace: [ 57.922042][ T5380] dump_backtrace+0x0/0x458 [ 57.922738][ T5380] show_stack+0x2c/0x3c [ 57.923395][ T5380] __dump_stack+0x30/0x40 [ 57.924039][ T5380] dump_stack_lvl+0xf4/0x15c [ 57.924734][ T5380] dump_stack+0x1c/0x5c [ 57.925362][ T5380] should_fail+0x3bc/0x514 [ 57.925998][ T5380] __should_failslab+0xbc/0x10c [ 57.926705][ T5380] should_failslab+0x10/0x28 [ 57.927392][ T5380] slab_pre_alloc_hook+0x64/0xe8 [ 57.928141][ T5380] kmem_cache_alloc+0x94/0x3d4 [ 57.928835][ T5380] btrfs_alloc_path+0x5c/0x68 [ 57.929495][ T5380] btrfs_uuid_tree_remove+0x140/0x484 [ 57.930299][ T5380] _btrfs_ioctl_set_received_subvol+0x5f4/0xdbc [ 57.931253][ T5380] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 57.932185][ T5380] btrfs_ioctl+0x9d0/0xa8c [ 57.932827][ T5380] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.933560][ T5380] invoke_syscall+0x98/0x2b0 [ 57.934293][ T5380] el0_svc_common+0x138/0x258 [ 57.935039][ T5380] do_el0_svc+0x58/0x13c [ 57.935695][ T5380] el0_svc+0x78/0x1d0 [ 57.936240][ T5380] el0t_64_sync_handler+0xcc/0xe4 [ 57.936987][ T5380] el0t_64_sync+0x1a0/0x1a4 [ 57.939127][ T5380] ------------[ cut here ]------------ [ 57.940149][ T5380] WARNING: CPU: 1 PID: 5380 at fs/btrfs/ioctl.c:4533 _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.941734][ T5380] Modules linked in: [ 57.942362][ T5380] CPU: 1 PID: 5380 Comm: syz-executor.0 Tainted: G W syzkaller #0 [ 57.943752][ T5380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.945211][ T5380] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.946396][ T5380] pc : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.947400][ T5380] lr : _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.948417][ T5380] sp : ffff800022cf7bf0 [ 57.949060][ T5380] x29: ffff800022cf7c30 x28: dfff800000000000 x27: ffff0000dd000000 [ 57.950289][ T5380] x26: ffff0000db46013f x25: ffff0000cfd60840 x24: ffff0000db46015f [ 57.951439][ T5380] x23: 00000000fffffff4 x22: 1fffe00019fac113 x21: ffff0000cfd60898 [ 57.952677][ T5380] x20: 00000000fffffff4 x19: ffff0000db858780 x18: 0000000000000001 [ 57.953948][ T5380] x17: 0000000000000000 x16: ffff800011254fd8 x15: 00000000ffffffff [ 57.955124][ T5380] x14: 0000000000000001 x13: 1fffe000341f49ab x12: 0000000000ff0100 [ 57.956362][ T5380] x11: 0000000000000000 x10: 0000000000000000 x9 : 3b94b4363e21b400 [ 57.957608][ T5380] x8 : 3b94b4363e21b400 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.958819][ T5380] x5 : ffff800022cf74f8 x4 : ffff80001436f3e0 x3 : ffff800008508fa8 [ 57.960073][ T5380] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.961251][ T5380] Call trace: [ 57.961690][ T5380] _btrfs_ioctl_set_received_subvol+0x9a4/0xdbc [ 57.962594][ T5380] btrfs_ioctl_set_received_subvol+0x8c/0x1fc [ 57.963488][ T5380] btrfs_ioctl+0x9d0/0xa8c [ 57.964160][ T5380] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.964894][ T5380] invoke_syscall+0x98/0x2b0 [ 57.965586][ T5380] el0_svc_common+0x138/0x258 [ 57.966300][ T5380] do_el0_svc+0x58/0x13c [ 57.966968][ T5380] el0_svc+0x78/0x1d0 [ 57.967606][ T5380] el0t_64_sync_handler+0xcc/0xe4 [ 57.968362][ T5380] el0t_64_sync+0x1a0/0x1a4 [ 57.968974][ T5380] irq event stamp: 79392 [ 57.969650][ T5380] hardirqs last enabled at (79391): [] __up_console_sem+0xb4/0xfc [ 57.971038][ T5380] hardirqs last disabled at (79392): [] el1_dbg+0x24/0x80 [ 57.972296][ T5380] softirqs last enabled at (79372): [] handle_softirqs+0xa40/0xbe4 [ 57.973766][ T5380] softirqs last disabled at (79361): [] __irq_exit_rcu+0x240/0x43c [ 57.975074][ T5380] ---[ end trace 52507aa86c71e9ad ]--- [ 57.976571][ T5380] BTRFS: error (device loop0) in _btrfs_ioctl_set_received_subvol:4533: errno=-12 Out of memory [ 57.978303][ T5380] BTRFS info (device loop0): forced readonly