Warning: Permanently added '10.128.1.255' (ED25519) to the list of known hosts. 1970/01/01 00:01:03 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:03 ignoring optional flag "type"="gce" 1970/01/01 00:01:03 parsed 1 programs 1970/01/01 00:01:03 executed programs: 0 [ 64.092428][ T4330] chnl_net:caif_netlink_parms(): no params data found [ 64.126808][ T4330] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.128841][ T4330] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.131448][ T4330] device bridge_slave_0 entered promiscuous mode [ 64.135100][ T4330] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.137185][ T4330] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.139958][ T4330] device bridge_slave_1 entered promiscuous mode [ 64.155878][ T4330] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.160191][ T4330] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.177456][ T4330] team0: Port device team_slave_0 added [ 64.181192][ T4330] team0: Port device team_slave_1 added [ 64.196176][ T4330] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.198134][ T4330] 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. [ 64.205204][ T4330] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.209832][ T4330] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.211840][ T4330] 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. [ 64.219309][ T4330] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.277550][ T4330] device hsr_slave_0 entered promiscuous mode [ 64.316497][ T4330] device hsr_slave_1 entered promiscuous mode [ 65.027535][ T4330] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.057384][ T4330] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.087327][ T4330] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.127578][ T4330] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.230887][ T4330] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.243064][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.247730][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.252388][ T4330] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.260516][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.263324][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.266424][ T565] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.268483][ T565] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.281151][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.283768][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.288196][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.291217][ T565] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.293273][ T565] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.296218][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.299215][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.315495][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.319215][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.322018][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.324874][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.331603][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.334376][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.341056][ T4330] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.344464][ T4330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.348935][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.351642][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.354939][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.447596][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.449819][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.456752][ T4330] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.471691][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.474586][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.490223][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.493186][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.498404][ T4330] device veth0_vlan entered promiscuous mode [ 65.503274][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.507780][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.512447][ T4330] device veth1_vlan entered promiscuous mode [ 65.529732][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.532307][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.534929][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 65.540193][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.546424][ T4330] device veth0_macvtap entered promiscuous mode [ 65.550933][ T4330] device veth1_macvtap entered promiscuous mode [ 65.564233][ T4330] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.568209][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.570844][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 65.573594][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 65.578990][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.584799][ T4330] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.588057][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 65.591240][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.596713][ T4330] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.599132][ T4330] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.601623][ T4330] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.603944][ T4330] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.649206][ T565] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.651463][ T565] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.658353][ T503] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.677266][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.679497][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.682612][ T565] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.953954][ T4431] loop0: detected capacity change from 0 to 32768 [ 65.973212][ T4431] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4431) [ 65.994907][ T4431] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 66.004015][ T4431] BTRFS info (device loop0): enabling auto defrag [ 66.006466][ T4431] BTRFS info (device loop0): enabling disk space caching [ 66.015684][ T4431] BTRFS info (device loop0): disabling tree log [ 66.017603][ T4431] BTRFS info (device loop0): force clearing of disk cache [ 66.021974][ T4431] BTRFS info (device loop0): force zlib compression, level 3 [ 66.025707][ T4431] BTRFS info (device loop0): disabling disk space caching [ 66.027718][ T4431] BTRFS info (device loop0): has skinny extents [ 66.055532][ T3614] Bluetooth: hci0: command 0x0409 tx timeout [ 66.135931][ T4431] BTRFS info (device loop0): enabling ssd optimizations [ 66.139709][ T4431] BTRFS info (device loop0): clearing free space tree [ 66.141797][ T4431] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 66.144473][ T4431] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 66.193415][ T4431] FAULT_INJECTION: forcing a failure. [ 66.193415][ T4431] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 66.197393][ T4431] CPU: 0 PID: 4431 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0 [ 66.199597][ T4431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 66.202199][ T4431] Call trace: [ 66.203076][ T4431] dump_backtrace+0x0/0x43c [ 66.204320][ T4431] show_stack+0x2c/0x3c [ 66.205510][ T4431] __dump_stack+0x30/0x40 [ 66.206751][ T4431] dump_stack_lvl+0xf8/0x160 [ 66.208022][ T4431] dump_stack+0x1c/0x5c [ 66.209193][ T4431] should_fail+0x3c0/0x51c [ 66.210512][ T4431] should_fail_alloc_page+0x74/0xa8 [ 66.212053][ T4431] prepare_alloc_pages+0x160/0x460 [ 66.213596][ T4431] __alloc_pages+0x108/0x470 [ 66.214877][ T4431] alloc_pages+0x34c/0x5c0 [ 66.216161][ T4431] stack_depot_save+0x354/0x49c [ 66.217489][ T4431] __kasan_kmalloc+0xcc/0xf0 [ 66.218769][ T4431] __kmalloc_node+0x2bc/0x520 [ 66.220102][ T4431] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 66.221656][ T4431] slab_post_alloc_hook+0xc0/0x408 [ 66.222987][ T4431] kmem_cache_alloc_trace+0x1e4/0x3fc [ 66.224548][ T4431] legacy_init_fs_context+0x5c/0xc8 [ 66.226024][ T4431] alloc_fs_context+0x550/0x7f4 [ 66.227437][ T4431] fs_context_for_reconfigure+0x7c/0x94 [ 66.228960][ T4431] path_mount+0xbb0/0x1000 [ 66.230249][ T4431] __arm64_sys_mount+0x514/0x5e4 [ 66.231668][ T4431] invoke_syscall+0x98/0x2b8 [ 66.233017][ T4431] el0_svc_common+0x138/0x258 [ 66.234381][ T4431] do_el0_svc+0x58/0x14c [ 66.235576][ T4431] el0_svc+0x78/0x1e0 [ 66.236715][ T4431] el0t_64_sync_handler+0xcc/0xe4 [ 66.238151][ T4431] el0t_64_sync+0x1a0/0x1a4 [ 66.800469][ T4498] loop0: detected capacity change from 0 to 32768 [ 66.830327][ T4498] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4498) [ 66.844232][ T4498] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 66.856708][ T4498] BTRFS info (device loop0): enabling auto defrag [ 66.858591][ T4498] BTRFS info (device loop0): enabling disk space caching [ 66.860610][ T4498] BTRFS info (device loop0): disabling tree log [ 66.862369][ T4498] BTRFS info (device loop0): force clearing of disk cache [ 66.864226][ T4498] BTRFS info (device loop0): force zlib compression, level 3 [ 66.880427][ T4498] BTRFS info (device loop0): disabling disk space caching [ 66.882404][ T4498] BTRFS info (device loop0): has skinny extents [ 66.987515][ T4498] BTRFS info (device loop0): enabling ssd optimizations [ 66.990741][ T4498] BTRFS info (device loop0): clearing free space tree [ 66.992818][ T4498] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 66.997677][ T4498] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 67.021236][ T4498] FAULT_INJECTION: forcing a failure. [ 67.021236][ T4498] name failslab, interval 1, probability 0, space 0, times 1 [ 67.024925][ T4498] CPU: 0 PID: 4498 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0 [ 67.027318][ T4498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 67.030041][ T4498] Call trace: [ 67.030960][ T4498] dump_backtrace+0x0/0x43c [ 67.032285][ T4498] show_stack+0x2c/0x3c [ 67.033449][ T4498] __dump_stack+0x30/0x40 [ 67.034670][ T4498] dump_stack_lvl+0xf8/0x160 [ 67.035927][ T4498] dump_stack+0x1c/0x5c [ 67.037076][ T4498] should_fail+0x3c0/0x51c [ 67.038328][ T4498] __should_failslab+0xbc/0x10c [ 67.039662][ T4498] should_failslab+0x10/0x28 [ 67.040988][ T4498] slab_pre_alloc_hook+0x64/0xec [ 67.042479][ T4498] kmem_cache_alloc+0x94/0x3e4 [ 67.043793][ T4498] start_transaction+0x4d0/0x13f0 [ 67.045171][ T4498] btrfs_attach_transaction_barrier+0x30/0xac [ 67.046822][ T4498] btrfs_sync_fs+0x13c/0xb2c [ 67.048093][ T4498] sync_filesystem+0x1a0/0x218 [ 67.049416][ T4498] btrfs_remount+0x19c/0x12b8 [ 67.050741][ T4498] legacy_reconfigure+0xf8/0x110 [ 67.052154][ T4498] reconfigure_super+0x1d4/0x6f4 [ 67.053592][ T4498] path_mount+0xc80/0x1000 [ 67.054883][ T4498] __arm64_sys_mount+0x514/0x5e4 [ 67.056221][ T4498] invoke_syscall+0x98/0x2b8 [ 67.057427][ T4498] el0_svc_common+0x138/0x258 [ 67.058722][ T4498] do_el0_svc+0x58/0x14c [ 67.059934][ T4498] el0_svc+0x78/0x1e0 [ 67.061005][ T4498] el0t_64_sync_handler+0xcc/0xe4 [ 67.062372][ T4498] el0t_64_sync+0x1a0/0x1a4 [ 67.505811][ T4555] loop0: detected capacity change from 0 to 32768 [ 67.516839][ T4555] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4555) [ 67.522397][ T4555] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 67.524888][ T4555] BTRFS info (device loop0): enabling auto defrag [ 67.528598][ T4555] BTRFS info (device loop0): enabling disk space caching [ 67.530829][ T4555] BTRFS info (device loop0): disabling tree log [ 67.532733][ T4555] BTRFS info (device loop0): force clearing of disk cache [ 67.534922][ T4555] BTRFS info (device loop0): force zlib compression, level 3 [ 67.539595][ T4555] BTRFS info (device loop0): disabling disk space caching [ 67.541653][ T4555] BTRFS info (device loop0): has skinny extents [ 67.599174][ T4555] BTRFS info (device loop0): enabling ssd optimizations [ 67.602044][ T4555] BTRFS info (device loop0): clearing free space tree [ 67.604003][ T4555] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 67.616126][ T4555] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 67.632443][ T4555] FAULT_INJECTION: forcing a failure. [ 67.632443][ T4555] name failslab, interval 1, probability 0, space 0, times 0 [ 67.640030][ T4555] CPU: 0 PID: 4555 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0 [ 67.642446][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 67.645151][ T4555] Call trace: [ 67.646098][ T4555] dump_backtrace+0x0/0x43c [ 67.647413][ T4555] show_stack+0x2c/0x3c [ 67.648546][ T4555] __dump_stack+0x30/0x40 [ 67.649701][ T4555] dump_stack_lvl+0xf8/0x160 [ 67.650926][ T4555] dump_stack+0x1c/0x5c [ 67.652094][ T4555] should_fail+0x3c0/0x51c [ 67.653348][ T4555] __should_failslab+0xbc/0x10c [ 67.654635][ T4555] should_failslab+0x10/0x28 [ 67.655871][ T4555] slab_pre_alloc_hook+0x64/0xec [ 67.657202][ T4555] kmem_cache_alloc+0x94/0x3e4 [ 67.658520][ T4555] btrfs_alloc_path+0x5c/0x68 [ 67.659781][ T4555] __btrfs_free_extent+0x19c/0x1aa4 [ 67.661218][ T4555] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 67.662782][ T4555] btrfs_run_delayed_refs+0x124/0x46c [ 67.664220][ T4555] btrfs_commit_transaction+0x1b8/0x3044 [ 67.665766][ T4555] btrfs_sync_fs+0x628/0xb2c [ 67.666982][ T4555] sync_filesystem+0x1a0/0x218 [ 67.668247][ T4555] btrfs_remount+0x19c/0x12b8 [ 67.669523][ T4555] legacy_reconfigure+0xf8/0x110 [ 67.670975][ T4555] reconfigure_super+0x1d4/0x6f4 [ 67.672312][ T4555] path_mount+0xc80/0x1000 [ 67.673596][ T4555] __arm64_sys_mount+0x514/0x5e4 [ 67.674912][ T4555] invoke_syscall+0x98/0x2b8 [ 67.676184][ T4555] el0_svc_common+0x138/0x258 [ 67.677450][ T4555] do_el0_svc+0x58/0x14c [ 67.678552][ T4555] el0_svc+0x78/0x1e0 [ 67.679615][ T4555] el0t_64_sync_handler+0xcc/0xe4 [ 67.680947][ T4555] el0t_64_sync+0x1a0/0x1a4 [ 67.687003][ T4555] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 67.690806][ T4555] ------------[ cut here ]------------ [ 67.692515][ T4555] WARNING: CPU: 0 PID: 4555 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 67.695434][ T4555] Modules linked in: [ 67.696484][ T4555] CPU: 0 PID: 4555 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0 [ 67.698833][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 67.701585][ T4555] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 67.703745][ T4555] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 67.705317][ T4555] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 67.706876][ T4555] sp : ffff80001f737530 [ 67.708013][ T4555] x29: ffff80001f737540 x28: ffff0000cec99000 x27: dfff800000000000 [ 67.710224][ T4555] x26: ffff0000cec99024 x25: ffff0000cf378000 x24: 1fffe0001bd1b2bb [ 67.712422][ T4555] x23: 1fffe0001bd1b2bb x22: ffff0000de8d95d8 x21: 00000000fffffff4 [ 67.714564][ T4555] x20: 0000000000000051 x19: ffff0000de8d9580 x18: 0000000000000001 [ 67.716711][ T4555] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 67.718889][ T4555] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 67.721086][ T4555] x11: 0000000000000000 x10: 0000000000000000 x9 : e87e89b789b86600 [ 67.723297][ T4555] x8 : e87e89b789b86600 x7 : 0000000000000001 x6 : 0000000000000001 [ 67.725500][ T4555] x5 : ffff80001f736e18 x4 : ffff80001424f400 x3 : ffff80000850433c [ 67.727644][ T4555] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 67.729768][ T4555] Call trace: [ 67.730706][ T4555] btrfs_run_delayed_refs+0x3f4/0x46c [ 67.732188][ T4555] btrfs_commit_transaction+0x1b8/0x3044 [ 67.733749][ T4555] btrfs_sync_fs+0x628/0xb2c [ 67.735003][ T4555] sync_filesystem+0x1a0/0x218 [ 67.736301][ T4555] btrfs_remount+0x19c/0x12b8 [ 67.737679][ T4555] legacy_reconfigure+0xf8/0x110 [ 67.739020][ T4555] reconfigure_super+0x1d4/0x6f4 [ 67.740375][ T4555] path_mount+0xc80/0x1000 [ 67.741593][ T4555] __arm64_sys_mount+0x514/0x5e4 [ 67.742896][ T4555] invoke_syscall+0x98/0x2b8 [ 67.744209][ T4555] el0_svc_common+0x138/0x258 [ 67.745555][ T4555] do_el0_svc+0x58/0x14c [ 67.746716][ T4555] el0_svc+0x78/0x1e0 [ 67.747793][ T4555] el0t_64_sync_handler+0xcc/0xe4 [ 67.749123][ T4555] el0t_64_sync+0x1a0/0x1a4 [ 67.750370][ T4555] irq event stamp: 81620 [ 67.751517][ T4555] hardirqs last enabled at (81619): [] __up_console_sem+0xb4/0x100 [ 67.754151][ T4555] hardirqs last disabled at (81620): [] el1_dbg+0x24/0x80 [ 67.756452][ T4555] softirqs last enabled at (81576): [] handle_softirqs+0xa4c/0xbf0 [ 67.759070][ T4555] softirqs last disabled at (81527): [] __irq_exit_rcu+0x240/0x440 [ 67.761576][ T4555] ---[ end trace c0f3eee870642d69 ]--- [ 67.778474][ T4555] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 67.783846][ T4555] BTRFS info (device loop0): forced readonly [ 67.788007][ T4555] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 68.125927][ T4494] Bluetooth: hci0: command 0x041b tx timeout [ 68.175002][ T4611] loop0: detected capacity change from 0 to 32768 [ 68.181558][ T4611] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4611) [ 68.199624][ T4611] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 68.206034][ T4611] BTRFS info (device loop0): enabling auto defrag [ 68.207974][ T4611] BTRFS info (device loop0): enabling disk space caching [ 68.213682][ T4611] BTRFS info (device loop0): disabling tree log [ 68.217859][ T4611] BTRFS info (device loop0): force clearing of disk cache [ 68.235444][ T4611] BTRFS info (device loop0): force zlib compression, level 3 [ 68.237527][ T4611] BTRFS info (device loop0): disabling disk space caching [ 68.239403][ T4611] BTRFS info (device loop0): has skinny extents [ 68.333628][ T4611] BTRFS info (device loop0): enabling ssd optimizations [ 68.338079][ T4611] BTRFS info (device loop0): clearing free space tree [ 68.340142][ T4611] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 68.342868][ T4611] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 68.357126][ T4611] FAULT_INJECTION: forcing a failure. [ 68.357126][ T4611] name failslab, interval 1, probability 0, space 0, times 0 [ 68.360787][ T4611] CPU: 1 PID: 4611 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 68.363469][ T4611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 68.366190][ T4611] Call trace: [ 68.367090][ T4611] dump_backtrace+0x0/0x43c [ 68.368335][ T4611] show_stack+0x2c/0x3c [ 68.369479][ T4611] __dump_stack+0x30/0x40 [ 68.370631][ T4611] dump_stack_lvl+0xf8/0x160 [ 68.371874][ T4611] dump_stack+0x1c/0x5c [ 68.373085][ T4611] should_fail+0x3c0/0x51c [ 68.374309][ T4611] __should_failslab+0xbc/0x10c [ 68.375773][ T4611] should_failslab+0x10/0x28 [ 68.377087][ T4611] slab_pre_alloc_hook+0x64/0xec [ 68.378456][ T4611] kmem_cache_alloc+0x94/0x3e4 [ 68.379732][ T4611] start_transaction+0x4d0/0x13f0 [ 68.381142][ T4611] btrfs_attach_transaction_barrier+0x30/0xac [ 68.382852][ T4611] btrfs_sync_fs+0x13c/0xb2c [ 68.384152][ T4611] sync_filesystem+0x1a0/0x218 [ 68.385473][ T4611] btrfs_remount+0x19c/0x12b8 [ 68.386713][ T4611] legacy_reconfigure+0xf8/0x110 [ 68.388029][ T4611] reconfigure_super+0x1d4/0x6f4 [ 68.389355][ T4611] path_mount+0xc80/0x1000 [ 68.390574][ T4611] __arm64_sys_mount+0x514/0x5e4 [ 68.391873][ T4611] invoke_syscall+0x98/0x2b8 [ 68.393113][ T4611] el0_svc_common+0x138/0x258 [ 68.394449][ T4611] do_el0_svc+0x58/0x14c [ 68.395699][ T4611] el0_svc+0x78/0x1e0 [ 68.396812][ T4611] el0t_64_sync_handler+0xcc/0xe4 [ 68.398178][ T4611] el0t_64_sync+0x1a0/0x1a4 [ 68.823094][ T4664] loop0: detected capacity change from 0 to 32768 [ 68.832416][ T4664] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4664) [ 68.842707][ T4664] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 68.845287][ T4664] BTRFS info (device loop0): enabling auto defrag [ 68.848713][ T4664] BTRFS info (device loop0): enabling disk space caching [ 68.850981][ T4664] BTRFS info (device loop0): disabling tree log [ 68.852892][ T4664] BTRFS info (device loop0): force clearing of disk cache [ 68.855122][ T4664] BTRFS info (device loop0): force zlib compression, level 3 [ 68.862664][ T4664] BTRFS info (device loop0): disabling disk space caching [ 68.864951][ T4664] BTRFS info (device loop0): has skinny extents [ 68.932616][ T4664] BTRFS info (device loop0): enabling ssd optimizations [ 68.936151][ T4664] BTRFS info (device loop0): clearing free space tree [ 68.938220][ T4664] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 68.941057][ T4664] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 68.964923][ T4664] FAULT_INJECTION: forcing a failure. [ 68.964923][ T4664] name failslab, interval 1, probability 0, space 0, times 0 [ 68.969493][ T4664] CPU: 1 PID: 4664 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 68.972159][ T4664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 68.974927][ T4664] Call trace: [ 68.975947][ T4664] dump_backtrace+0x0/0x43c [ 68.977206][ T4664] show_stack+0x2c/0x3c [ 68.978422][ T4664] __dump_stack+0x30/0x40 [ 68.979668][ T4664] dump_stack_lvl+0xf8/0x160 [ 68.980968][ T4664] dump_stack+0x1c/0x5c [ 68.982122][ T4664] should_fail+0x3c0/0x51c [ 68.983366][ T4664] __should_failslab+0xbc/0x10c [ 68.984698][ T4664] should_failslab+0x10/0x28 [ 68.986040][ T4664] slab_pre_alloc_hook+0x64/0xec [ 68.987389][ T4664] kmem_cache_alloc_trace+0x98/0x3fc [ 68.988828][ T4664] bdi_split_work_to_wbs+0x3d8/0x738 [ 68.990355][ T4664] __writeback_inodes_sb_nr+0x1a8/0x218 [ 68.991957][ T4664] writeback_inodes_sb+0x78/0x8c [ 68.993324][ T4664] sync_filesystem+0xa0/0x218 [ 68.994600][ T4664] btrfs_remount+0x19c/0x12b8 [ 68.995848][ T4664] legacy_reconfigure+0xf8/0x110 [ 68.997349][ T4664] reconfigure_super+0x1d4/0x6f4 [ 68.998847][ T4664] path_mount+0xc80/0x1000 [ 69.000015][ T4664] __arm64_sys_mount+0x514/0x5e4 [ 69.001480][ T4664] invoke_syscall+0x98/0x2b8 [ 69.002754][ T4664] el0_svc_common+0x138/0x258 [ 69.004084][ T4664] do_el0_svc+0x58/0x14c [ 69.005248][ T4664] el0_svc+0x78/0x1e0 [ 69.006412][ T4664] el0t_64_sync_handler+0xcc/0xe4 [ 69.007754][ T4664] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:08 executed programs: 5 [ 69.384942][ T4717] loop0: detected capacity change from 0 to 32768 [ 69.395031][ T4717] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4717) [ 69.414953][ T4717] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 69.418121][ T4717] BTRFS info (device loop0): enabling auto defrag [ 69.420209][ T4717] BTRFS info (device loop0): enabling disk space caching [ 69.422289][ T4717] BTRFS info (device loop0): disabling tree log [ 69.436009][ T4717] BTRFS info (device loop0): force clearing of disk cache [ 69.438163][ T4717] BTRFS info (device loop0): force zlib compression, level 3 [ 69.440304][ T4717] BTRFS info (device loop0): disabling disk space caching [ 69.442400][ T4717] BTRFS info (device loop0): has skinny extents [ 69.545542][ T4717] BTRFS info (device loop0): enabling ssd optimizations [ 69.548448][ T4717] BTRFS info (device loop0): clearing free space tree [ 69.550528][ T4717] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 69.553297][ T4717] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 69.579484][ T4717] FAULT_INJECTION: forcing a failure. [ 69.579484][ T4717] name failslab, interval 1, probability 0, space 0, times 0 [ 69.585287][ T4717] CPU: 1 PID: 4717 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 69.588016][ T4717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 69.590758][ T4717] Call trace: [ 69.591671][ T4717] dump_backtrace+0x0/0x43c [ 69.592870][ T4717] show_stack+0x2c/0x3c [ 69.594044][ T4717] __dump_stack+0x30/0x40 [ 69.595229][ T4717] dump_stack_lvl+0xf8/0x160 [ 69.596650][ T4717] dump_stack+0x1c/0x5c [ 69.597850][ T4717] should_fail+0x3c0/0x51c [ 69.599034][ T4717] __should_failslab+0xbc/0x10c [ 69.600390][ T4717] should_failslab+0x10/0x28 [ 69.601648][ T4717] slab_pre_alloc_hook+0x64/0xec [ 69.603039][ T4717] kmem_cache_alloc+0x94/0x3e4 [ 69.604337][ T4717] start_transaction+0x4d0/0x13f0 [ 69.605773][ T4717] btrfs_attach_transaction_barrier+0x30/0xac [ 69.607472][ T4717] btrfs_sync_fs+0x13c/0xb2c [ 69.608742][ T4717] sync_filesystem+0x1a0/0x218 [ 69.610031][ T4717] btrfs_remount+0x19c/0x12b8 [ 69.611291][ T4717] legacy_reconfigure+0xf8/0x110 [ 69.612652][ T4717] reconfigure_super+0x1d4/0x6f4 [ 69.614021][ T4717] path_mount+0xc80/0x1000 [ 69.615216][ T4717] __arm64_sys_mount+0x514/0x5e4 [ 69.616555][ T4717] invoke_syscall+0x98/0x2b8 [ 69.617833][ T4717] el0_svc_common+0x138/0x258 [ 69.619153][ T4717] do_el0_svc+0x58/0x14c [ 69.620313][ T4717] el0_svc+0x78/0x1e0 [ 69.621358][ T4717] el0t_64_sync_handler+0xcc/0xe4 [ 69.622703][ T4717] el0t_64_sync+0x1a0/0x1a4 [ 69.658025][ T2054] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.659981][ T2054] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.702297][ T4346] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 11 /dev/loop0 scanned by udevd (4346) [ 69.984678][ T4773] loop0: detected capacity change from 0 to 32768 [ 70.006080][ T4773] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 70.008534][ T4773] BTRFS info (device loop0): enabling auto defrag [ 70.010325][ T4773] BTRFS info (device loop0): enabling disk space caching [ 70.015960][ T4773] BTRFS info (device loop0): disabling tree log [ 70.017735][ T4773] BTRFS info (device loop0): force clearing of disk cache [ 70.019737][ T4773] BTRFS info (device loop0): force zlib compression, level 3 [ 70.021721][ T4773] BTRFS info (device loop0): disabling disk space caching [ 70.023692][ T4773] BTRFS info (device loop0): has skinny extents [ 70.116857][ T4773] BTRFS info (device loop0): enabling ssd optimizations [ 70.119758][ T4773] BTRFS info (device loop0): clearing free space tree [ 70.121729][ T4773] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 70.124506][ T4773] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 70.148368][ T4773] FAULT_INJECTION: forcing a failure. [ 70.148368][ T4773] name failslab, interval 1, probability 0, space 0, times 0 [ 70.153165][ T4773] CPU: 1 PID: 4773 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 70.155984][ T4773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.158735][ T4773] Call trace: [ 70.159645][ T4773] dump_backtrace+0x0/0x43c [ 70.160874][ T4773] show_stack+0x2c/0x3c [ 70.162036][ T4773] __dump_stack+0x30/0x40 [ 70.163274][ T4773] dump_stack_lvl+0xf8/0x160 [ 70.164510][ T4773] dump_stack+0x1c/0x5c [ 70.165623][ T4773] should_fail+0x3c0/0x51c [ 70.166846][ T4773] __should_failslab+0xbc/0x10c [ 70.168252][ T4773] should_failslab+0x10/0x28 [ 70.169561][ T4773] slab_pre_alloc_hook+0x64/0xec [ 70.170943][ T4773] kmem_cache_alloc+0x94/0x3e4 [ 70.172238][ T4773] start_transaction+0x4d0/0x13f0 [ 70.173647][ T4773] btrfs_attach_transaction_barrier+0x30/0xac [ 70.175276][ T4773] btrfs_sync_fs+0x13c/0xb2c [ 70.176565][ T4773] sync_filesystem+0x1a0/0x218 [ 70.177819][ T4773] btrfs_remount+0x19c/0x12b8 [ 70.179107][ T4773] legacy_reconfigure+0xf8/0x110 [ 70.180473][ T4773] reconfigure_super+0x1d4/0x6f4 [ 70.181878][ T4773] path_mount+0xc80/0x1000 [ 70.183102][ T4773] __arm64_sys_mount+0x514/0x5e4 [ 70.184437][ T4773] invoke_syscall+0x98/0x2b8 [ 70.185723][ T4773] el0_svc_common+0x138/0x258 [ 70.186968][ T4773] do_el0_svc+0x58/0x14c [ 70.188200][ T4773] el0_svc+0x78/0x1e0 [ 70.189346][ T4773] el0t_64_sync_handler+0xcc/0xe4 [ 70.190714][ T4773] el0t_64_sync+0x1a0/0x1a4 [ 70.205661][ T3614] Bluetooth: hci0: command 0x040f tx timeout [ 70.307734][ T4346] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 11 /dev/loop0 scanned by udevd (4346) [ 70.680831][ T4822] loop0: detected capacity change from 0 to 32768 [ 70.700091][ T4822] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 70.702804][ T4822] BTRFS info (device loop0): enabling auto defrag [ 70.705159][ T4822] BTRFS info (device loop0): enabling disk space caching [ 70.708602][ T4822] BTRFS info (device loop0): disabling tree log [ 70.710336][ T4822] BTRFS info (device loop0): force clearing of disk cache [ 70.712518][ T4822] BTRFS info (device loop0): force zlib compression, level 3 [ 70.714669][ T4822] BTRFS info (device loop0): disabling disk space caching [ 70.717302][ T4822] BTRFS info (device loop0): has skinny extents [ 70.736276][ T4822] BTRFS info (device loop0): enabling ssd optimizations [ 70.739230][ T4822] BTRFS info (device loop0): clearing free space tree [ 70.741389][ T4822] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 70.744215][ T4822] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 70.757241][ T4822] FAULT_INJECTION: forcing a failure. [ 70.757241][ T4822] name failslab, interval 1, probability 0, space 0, times 0 [ 70.761195][ T4822] CPU: 1 PID: 4822 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 70.763991][ T4822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.766855][ T4822] Call trace: [ 70.767764][ T4822] dump_backtrace+0x0/0x43c [ 70.769009][ T4822] show_stack+0x2c/0x3c [ 70.770201][ T4822] __dump_stack+0x30/0x40 [ 70.771484][ T4822] dump_stack_lvl+0xf8/0x160 [ 70.772743][ T4822] dump_stack+0x1c/0x5c [ 70.773886][ T4822] should_fail+0x3c0/0x51c [ 70.775100][ T4822] __should_failslab+0xbc/0x10c [ 70.776393][ T4822] should_failslab+0x10/0x28 [ 70.777723][ T4822] slab_pre_alloc_hook+0x64/0xec [ 70.779084][ T4822] kmem_cache_alloc+0x94/0x3e4 [ 70.780508][ T4822] start_transaction+0x4d0/0x13f0 [ 70.781906][ T4822] btrfs_attach_transaction_barrier+0x30/0xac [ 70.783658][ T4822] btrfs_sync_fs+0x13c/0xb2c [ 70.784955][ T4822] sync_filesystem+0x1a0/0x218 [ 70.786313][ T4822] btrfs_remount+0x19c/0x12b8 [ 70.787696][ T4822] legacy_reconfigure+0xf8/0x110 [ 70.789017][ T4822] reconfigure_super+0x1d4/0x6f4 [ 70.790453][ T4822] path_mount+0xc80/0x1000 [ 70.791680][ T4822] __arm64_sys_mount+0x514/0x5e4 [ 70.793115][ T4822] invoke_syscall+0x98/0x2b8 [ 70.794439][ T4822] el0_svc_common+0x138/0x258 [ 70.795695][ T4822] do_el0_svc+0x58/0x14c [ 70.796828][ T4822] el0_svc+0x78/0x1e0 [ 70.797842][ T4822] el0t_64_sync_handler+0xcc/0xe4 [ 70.799249][ T4822] el0t_64_sync+0x1a0/0x1a4 [ 71.169415][ T4860] loop0: detected capacity change from 0 to 32768 [ 71.175301][ T4860] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4860) [ 71.183251][ T4860] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 71.185939][ T4860] BTRFS info (device loop0): enabling auto defrag [ 71.188014][ T4860] BTRFS info (device loop0): enabling disk space caching [ 71.190265][ T4860] BTRFS info (device loop0): disabling tree log [ 71.192123][ T4860] BTRFS info (device loop0): force clearing of disk cache [ 71.194274][ T4860] BTRFS info (device loop0): force zlib compression, level 3 [ 71.196470][ T4860] BTRFS info (device loop0): disabling disk space caching [ 71.198823][ T4860] BTRFS info (device loop0): has skinny extents [ 71.219394][ T4860] BTRFS info (device loop0): enabling ssd optimizations [ 71.222275][ T4860] BTRFS info (device loop0): clearing free space tree [ 71.224915][ T4860] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 71.229799][ T4860] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 71.239926][ T4860] FAULT_INJECTION: forcing a failure. [ 71.239926][ T4860] name failslab, interval 1, probability 0, space 0, times 0 [ 71.243730][ T4860] CPU: 0 PID: 4860 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 71.246416][ T4860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 71.249177][ T4860] Call trace: [ 71.250044][ T4860] dump_backtrace+0x0/0x43c [ 71.251277][ T4860] show_stack+0x2c/0x3c [ 71.252438][ T4860] __dump_stack+0x30/0x40 [ 71.253628][ T4860] dump_stack_lvl+0xf8/0x160 [ 71.254877][ T4860] dump_stack+0x1c/0x5c [ 71.255979][ T4860] should_fail+0x3c0/0x51c [ 71.257205][ T4860] __should_failslab+0xbc/0x10c [ 71.258592][ T4860] should_failslab+0x10/0x28 [ 71.259844][ T4860] slab_pre_alloc_hook+0x64/0xec [ 71.261226][ T4860] kmem_cache_alloc_trace+0x98/0x3fc [ 71.262705][ T4860] bdi_split_work_to_wbs+0x3d8/0x738 [ 71.264174][ T4860] sync_inodes_sb+0x180/0x824 [ 71.265485][ T4860] sync_filesystem+0x160/0x218 [ 71.266772][ T4860] btrfs_remount+0x19c/0x12b8 [ 71.268071][ T4860] legacy_reconfigure+0xf8/0x110 [ 71.269507][ T4860] reconfigure_super+0x1d4/0x6f4 [ 71.270948][ T4860] path_mount+0xc80/0x1000 [ 71.272099][ T4860] __arm64_sys_mount+0x514/0x5e4 [ 71.273486][ T4860] invoke_syscall+0x98/0x2b8 [ 71.274827][ T4860] el0_svc_common+0x138/0x258 [ 71.276130][ T4860] do_el0_svc+0x58/0x14c [ 71.277331][ T4860] el0_svc+0x78/0x1e0 [ 71.278536][ T4860] el0t_64_sync_handler+0xcc/0xe4 [ 71.279903][ T4860] el0t_64_sync+0x1a0/0x1a4 [ 71.646675][ T4881] loop0: detected capacity change from 0 to 32768 [ 71.651077][ T4881] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4881) [ 71.660319][ T4881] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 71.662872][ T4881] BTRFS info (device loop0): enabling auto defrag [ 71.664756][ T4881] BTRFS info (device loop0): enabling disk space caching [ 71.667687][ T4881] BTRFS info (device loop0): disabling tree log [ 71.669463][ T4881] BTRFS info (device loop0): force clearing of disk cache [ 71.671719][ T4881] BTRFS info (device loop0): force zlib compression, level 3 [ 71.674018][ T4881] BTRFS info (device loop0): disabling disk space caching [ 71.676652][ T4881] BTRFS info (device loop0): has skinny extents [ 71.692727][ T4881] BTRFS info (device loop0): enabling ssd optimizations [ 71.696552][ T4881] BTRFS info (device loop0): clearing free space tree [ 71.698636][ T4881] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 71.701470][ T4881] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 71.713892][ T4881] FAULT_INJECTION: forcing a failure. [ 71.713892][ T4881] name failslab, interval 1, probability 0, space 0, times 0 [ 71.717690][ T4881] CPU: 1 PID: 4881 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 71.720528][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 71.723275][ T4881] Call trace: [ 71.724175][ T4881] dump_backtrace+0x0/0x43c [ 71.725425][ T4881] show_stack+0x2c/0x3c [ 71.726629][ T4881] __dump_stack+0x30/0x40 [ 71.727818][ T4881] dump_stack_lvl+0xf8/0x160 [ 71.729124][ T4881] dump_stack+0x1c/0x5c [ 71.730308][ T4881] should_fail+0x3c0/0x51c [ 71.731546][ T4881] __should_failslab+0xbc/0x10c [ 71.732968][ T4881] should_failslab+0x10/0x28 [ 71.734323][ T4881] slab_pre_alloc_hook+0x64/0xec [ 71.735758][ T4881] kmem_cache_alloc+0x94/0x3e4 [ 71.737086][ T4881] start_transaction+0x4d0/0x13f0 [ 71.738432][ T4881] btrfs_attach_transaction_barrier+0x30/0xac [ 71.740129][ T4881] btrfs_sync_fs+0x13c/0xb2c [ 71.741429][ T4881] sync_filesystem+0x1a0/0x218 [ 71.742738][ T4881] btrfs_remount+0x19c/0x12b8 [ 71.744011][ T4881] legacy_reconfigure+0xf8/0x110 [ 71.745441][ T4881] reconfigure_super+0x1d4/0x6f4 [ 71.746767][ T4881] path_mount+0xc80/0x1000 [ 71.747959][ T4881] __arm64_sys_mount+0x514/0x5e4 [ 71.749338][ T4881] invoke_syscall+0x98/0x2b8 [ 71.750661][ T4881] el0_svc_common+0x138/0x258 [ 71.751958][ T4881] do_el0_svc+0x58/0x14c [ 71.753172][ T4881] el0_svc+0x78/0x1e0 [ 71.754237][ T4881] el0t_64_sync_handler+0xcc/0xe4 [ 71.755642][ T4881] el0t_64_sync+0x1a0/0x1a4 [ 72.126536][ T4902] loop0: detected capacity change from 0 to 32768 [ 72.134588][ T4902] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4902) [ 72.142773][ T4902] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.145492][ T4902] BTRFS info (device loop0): enabling auto defrag [ 72.147308][ T4902] BTRFS info (device loop0): enabling disk space caching [ 72.149176][ T4902] BTRFS info (device loop0): disabling tree log [ 72.150853][ T4902] BTRFS info (device loop0): force clearing of disk cache [ 72.152765][ T4902] BTRFS info (device loop0): force zlib compression, level 3 [ 72.154788][ T4902] BTRFS info (device loop0): disabling disk space caching [ 72.156834][ T4902] BTRFS info (device loop0): has skinny extents [ 72.176231][ T4902] BTRFS info (device loop0): enabling ssd optimizations [ 72.179208][ T4902] BTRFS info (device loop0): clearing free space tree [ 72.181249][ T4902] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.184017][ T4902] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.193992][ T4902] FAULT_INJECTION: forcing a failure. [ 72.193992][ T4902] name failslab, interval 1, probability 0, space 0, times 0 [ 72.198084][ T4902] CPU: 0 PID: 4902 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 72.200884][ T4902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 72.203766][ T4902] Call trace: [ 72.204664][ T4902] dump_backtrace+0x0/0x43c [ 72.205937][ T4902] show_stack+0x2c/0x3c [ 72.207106][ T4902] __dump_stack+0x30/0x40 [ 72.208312][ T4902] dump_stack_lvl+0xf8/0x160 [ 72.209629][ T4902] dump_stack+0x1c/0x5c [ 72.210767][ T4902] should_fail+0x3c0/0x51c [ 72.211972][ T4902] __should_failslab+0xbc/0x10c [ 72.213478][ T4902] should_failslab+0x10/0x28 [ 72.214830][ T4902] slab_pre_alloc_hook+0x64/0xec [ 72.216162][ T4902] kmem_cache_alloc_trace+0x98/0x3fc [ 72.217602][ T4902] bdi_split_work_to_wbs+0x3d8/0x738 [ 72.219047][ T4902] __writeback_inodes_sb_nr+0x1a8/0x218 [ 72.220569][ T4902] writeback_inodes_sb+0x78/0x8c [ 72.221952][ T4902] sync_filesystem+0xa0/0x218 [ 72.223291][ T4902] btrfs_remount+0x19c/0x12b8 [ 72.224578][ T4902] legacy_reconfigure+0xf8/0x110 [ 72.225996][ T4902] reconfigure_super+0x1d4/0x6f4 [ 72.227350][ T4902] path_mount+0xc80/0x1000 [ 72.228511][ T4902] __arm64_sys_mount+0x514/0x5e4 [ 72.229841][ T4902] invoke_syscall+0x98/0x2b8 [ 72.231108][ T4902] el0_svc_common+0x138/0x258 [ 72.232403][ T4902] do_el0_svc+0x58/0x14c [ 72.233563][ T4902] el0_svc+0x78/0x1e0 [ 72.234612][ T4902] el0t_64_sync_handler+0xcc/0xe4 [ 72.235994][ T4902] el0t_64_sync+0x1a0/0x1a4 [ 72.289739][ T4494] Bluetooth: hci0: command 0x0419 tx timeout [ 72.587221][ T4923] loop0: detected capacity change from 0 to 32768 [ 72.594555][ T4923] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4923) [ 72.602734][ T4923] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.606076][ T4923] BTRFS info (device loop0): enabling auto defrag [ 72.607921][ T4923] BTRFS info (device loop0): enabling disk space caching [ 72.609988][ T4923] BTRFS info (device loop0): disabling tree log [ 72.611879][ T4923] BTRFS info (device loop0): force clearing of disk cache [ 72.613960][ T4923] BTRFS info (device loop0): force zlib compression, level 3 [ 72.616747][ T4923] BTRFS info (device loop0): disabling disk space caching [ 72.618819][ T4923] BTRFS info (device loop0): has skinny extents [ 72.635045][ T4923] BTRFS info (device loop0): enabling ssd optimizations [ 72.638081][ T4923] BTRFS info (device loop0): clearing free space tree [ 72.640171][ T4923] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.642938][ T4923] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.655712][ T4923] FAULT_INJECTION: forcing a failure. [ 72.655712][ T4923] name failslab, interval 1, probability 0, space 0, times 0 [ 72.659812][ T4923] CPU: 0 PID: 4923 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 72.662660][ T4923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 72.665437][ T4923] Call trace: [ 72.666387][ T4923] dump_backtrace+0x0/0x43c [ 72.667553][ T4923] show_stack+0x2c/0x3c [ 72.668723][ T4923] __dump_stack+0x30/0x40 [ 72.670010][ T4923] dump_stack_lvl+0xf8/0x160 [ 72.671363][ T4923] dump_stack+0x1c/0x5c [ 72.672555][ T4923] should_fail+0x3c0/0x51c [ 72.673897][ T4923] __should_failslab+0xbc/0x10c [ 72.675301][ T4923] should_failslab+0x10/0x28 [ 72.676659][ T4923] slab_pre_alloc_hook+0x64/0xec [ 72.677998][ T4923] kmem_cache_alloc+0x94/0x3e4 [ 72.679316][ T4923] btrfs_alloc_path+0x5c/0x68 [ 72.680644][ T4923] __btrfs_free_extent+0x19c/0x1aa4 [ 72.682055][ T4923] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 72.683583][ T4923] btrfs_run_delayed_refs+0x124/0x46c [ 72.685090][ T4923] btrfs_commit_transaction+0x1b8/0x3044 [ 72.686692][ T4923] btrfs_sync_fs+0x628/0xb2c [ 72.687999][ T4923] sync_filesystem+0x1a0/0x218 [ 72.689313][ T4923] btrfs_remount+0x19c/0x12b8 [ 72.690595][ T4923] legacy_reconfigure+0xf8/0x110 [ 72.691972][ T4923] reconfigure_super+0x1d4/0x6f4 [ 72.693292][ T4923] path_mount+0xc80/0x1000 [ 72.694525][ T4923] __arm64_sys_mount+0x514/0x5e4 [ 72.695949][ T4923] invoke_syscall+0x98/0x2b8 [ 72.697253][ T4923] el0_svc_common+0x138/0x258 [ 72.698568][ T4923] do_el0_svc+0x58/0x14c [ 72.699741][ T4923] el0_svc+0x78/0x1e0 [ 72.700810][ T4923] el0t_64_sync_handler+0xcc/0xe4 [ 72.702266][ T4923] el0t_64_sync+0x1a0/0x1a4 [ 72.705252][ T4923] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 72.709357][ T4923] ------------[ cut here ]------------ [ 72.711170][ T4923] WARNING: CPU: 0 PID: 4923 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 72.714004][ T4923] Modules linked in: [ 72.715068][ T4923] CPU: 0 PID: 4923 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 72.717870][ T4923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 72.720703][ T4923] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 72.722892][ T4923] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 72.724502][ T4923] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 72.726096][ T4923] sp : ffff80001fbd7530 [ 72.727274][ T4923] x29: ffff80001fbd7540 x28: ffff0000c20e8000 x27: dfff800000000000 [ 72.729636][ T4923] x26: ffff0000c20e8024 x25: ffff0000c83d8000 x24: 1fffe0001bd1b3d9 [ 72.731872][ T4923] x23: 1fffe0001bd1b3d9 x22: ffff0000de8d9ec8 x21: 00000000fffffff4 [ 72.734179][ T4923] x20: 0000000000000051 x19: ffff0000de8d9e70 x18: 0000000000000001 [ 72.736405][ T4923] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 72.738664][ T4923] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 72.740958][ T4923] x11: 0000000000000000 x10: 0000000000000000 x9 : fb0574b772ad5300 [ 72.743231][ T4923] x8 : fb0574b772ad5300 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.745550][ T4923] x5 : ffff80001fbd6e18 x4 : ffff80001424f400 x3 : ffff80000850433c [ 72.747787][ T4923] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 72.750065][ T4923] Call trace: [ 72.750970][ T4923] btrfs_run_delayed_refs+0x3f4/0x46c [ 72.752491][ T4923] btrfs_commit_transaction+0x1b8/0x3044 [ 72.754064][ T4923] btrfs_sync_fs+0x628/0xb2c [ 72.755317][ T4923] sync_filesystem+0x1a0/0x218 [ 72.756660][ T4923] btrfs_remount+0x19c/0x12b8 [ 72.757929][ T4923] legacy_reconfigure+0xf8/0x110 [ 72.759353][ T4923] reconfigure_super+0x1d4/0x6f4 [ 72.760709][ T4923] path_mount+0xc80/0x1000 [ 72.762000][ T4923] __arm64_sys_mount+0x514/0x5e4 [ 72.763412][ T4923] invoke_syscall+0x98/0x2b8 [ 72.764785][ T4923] el0_svc_common+0x138/0x258 [ 72.766098][ T4923] do_el0_svc+0x58/0x14c [ 72.767295][ T4923] el0_svc+0x78/0x1e0 [ 72.768514][ T4923] el0t_64_sync_handler+0xcc/0xe4 [ 72.769882][ T4923] el0t_64_sync+0x1a0/0x1a4 [ 72.771158][ T4923] irq event stamp: 81092 [ 72.772319][ T4923] hardirqs last enabled at (81091): [] __up_console_sem+0xb4/0x100 [ 72.774932][ T4923] hardirqs last disabled at (81092): [] el1_dbg+0x24/0x80 [ 72.777360][ T4923] softirqs last enabled at (81064): [] handle_softirqs+0xa4c/0xbf0 [ 72.780166][ T4923] softirqs last disabled at (80975): [] __irq_exit_rcu+0x240/0x440 [ 72.782739][ T4923] ---[ end trace c0f3eee870642d6a ]--- [ 72.784758][ T4923] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 72.787686][ T4923] BTRFS info (device loop0): forced readonly [ 72.789761][ T4923] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 73.154357][ T4944] loop0: detected capacity change from 0 to 32768 [ 73.159301][ T4944] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4944) [ 73.167524][ T4944] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.170123][ T4944] BTRFS info (device loop0): enabling auto defrag [ 73.171932][ T4944] BTRFS info (device loop0): enabling disk space caching [ 73.173856][ T4944] BTRFS info (device loop0): disabling tree log [ 73.175587][ T4944] BTRFS info (device loop0): force clearing of disk cache [ 73.177575][ T4944] BTRFS info (device loop0): force zlib compression, level 3 [ 73.179560][ T4944] BTRFS info (device loop0): disabling disk space caching [ 73.181616][ T4944] BTRFS info (device loop0): has skinny extents [ 73.199662][ T4944] BTRFS info (device loop0): enabling ssd optimizations [ 73.202703][ T4944] BTRFS info (device loop0): clearing free space tree [ 73.204960][ T4944] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.209721][ T4944] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.222104][ T4944] FAULT_INJECTION: forcing a failure. [ 73.222104][ T4944] name failslab, interval 1, probability 0, space 0, times 0 [ 73.227231][ T4944] CPU: 1 PID: 4944 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 73.230138][ T4944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 73.232990][ T4944] Call trace: [ 73.233910][ T4944] dump_backtrace+0x0/0x43c [ 73.235160][ T4944] show_stack+0x2c/0x3c [ 73.236311][ T4944] __dump_stack+0x30/0x40 [ 73.237575][ T4944] dump_stack_lvl+0xf8/0x160 [ 73.238798][ T4944] dump_stack+0x1c/0x5c [ 73.239940][ T4944] should_fail+0x3c0/0x51c [ 73.241253][ T4944] __should_failslab+0xbc/0x10c [ 73.242670][ T4944] should_failslab+0x10/0x28 [ 73.243967][ T4944] slab_pre_alloc_hook+0x64/0xec [ 73.245434][ T4944] kmem_cache_alloc+0x94/0x3e4 [ 73.246758][ T4944] start_transaction+0x4d0/0x13f0 [ 73.248079][ T4944] btrfs_attach_transaction_barrier+0x30/0xac [ 73.249697][ T4944] btrfs_sync_fs+0x13c/0xb2c [ 73.250953][ T4944] sync_filesystem+0x1a0/0x218 [ 73.252240][ T4944] btrfs_remount+0x19c/0x12b8 [ 73.253564][ T4944] legacy_reconfigure+0xf8/0x110 [ 73.254964][ T4944] reconfigure_super+0x1d4/0x6f4 [ 73.256367][ T4944] path_mount+0xc80/0x1000 [ 73.257597][ T4944] __arm64_sys_mount+0x514/0x5e4 [ 73.258990][ T4944] invoke_syscall+0x98/0x2b8 [ 73.260272][ T4944] el0_svc_common+0x138/0x258 [ 73.261604][ T4944] do_el0_svc+0x58/0x14c [ 73.262815][ T4944] el0_svc+0x78/0x1e0 [ 73.263973][ T4944] el0t_64_sync_handler+0xcc/0xe4 [ 73.265358][ T4944] el0t_64_sync+0x1a0/0x1a4 [ 73.625714][ T4965] loop0: detected capacity change from 0 to 32768 [ 73.630066][ T4965] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4965) [ 73.637558][ T4965] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.640561][ T4965] BTRFS info (device loop0): enabling auto defrag [ 73.642511][ T4965] BTRFS info (device loop0): enabling disk space caching [ 73.644602][ T4965] BTRFS info (device loop0): disabling tree log [ 73.648278][ T4965] BTRFS info (device loop0): force clearing of disk cache [ 73.650420][ T4965] BTRFS info (device loop0): force zlib compression, level 3 [ 73.652715][ T4965] BTRFS info (device loop0): disabling disk space caching [ 73.654934][ T4965] BTRFS info (device loop0): has skinny extents [ 73.674668][ T4965] BTRFS info (device loop0): enabling ssd optimizations [ 73.679303][ T4965] BTRFS info (device loop0): clearing free space tree [ 73.681906][ T4965] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 73.684717][ T4965] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 73.697070][ T4965] FAULT_INJECTION: forcing a failure. [ 73.697070][ T4965] name failslab, interval 1, probability 0, space 0, times 0 [ 73.701059][ T4965] CPU: 1 PID: 4965 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 73.703826][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 73.706689][ T4965] Call trace: [ 73.707646][ T4965] dump_backtrace+0x0/0x43c [ 73.709255][ T4965] show_stack+0x2c/0x3c [ 73.710450][ T4965] __dump_stack+0x30/0x40 [ 73.711625][ T4965] dump_stack_lvl+0xf8/0x160 [ 73.712946][ T4965] dump_stack+0x1c/0x5c [ 73.714094][ T4965] should_fail+0x3c0/0x51c [ 73.715283][ T4965] __should_failslab+0xbc/0x10c [ 73.716663][ T4965] should_failslab+0x10/0x28 [ 73.717954][ T4965] slab_pre_alloc_hook+0x64/0xec [ 73.719261][ T4965] kmem_cache_alloc+0x94/0x3e4 [ 73.720616][ T4965] start_transaction+0x4d0/0x13f0 [ 73.722009][ T4965] btrfs_attach_transaction_barrier+0x30/0xac [ 73.723688][ T4965] btrfs_sync_fs+0x13c/0xb2c [ 73.724956][ T4965] sync_filesystem+0x1a0/0x218 [ 73.726301][ T4965] btrfs_remount+0x19c/0x12b8 [ 73.727609][ T4965] legacy_reconfigure+0xf8/0x110 [ 73.729011][ T4965] reconfigure_super+0x1d4/0x6f4 [ 73.730382][ T4965] path_mount+0xc80/0x1000 [ 73.731596][ T4965] __arm64_sys_mount+0x514/0x5e4 [ 73.732953][ T4965] invoke_syscall+0x98/0x2b8 [ 73.734212][ T4965] el0_svc_common+0x138/0x258 [ 73.735560][ T4965] do_el0_svc+0x58/0x14c [ 73.736804][ T4965] el0_svc+0x78/0x1e0 [ 73.737885][ T4965] el0t_64_sync_handler+0xcc/0xe4 [ 73.739272][ T4965] el0t_64_sync+0x1a0/0x1a4 [ 74.099053][ T4986] loop0: detected capacity change from 0 to 32768 [ 74.107736][ T4986] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4986) [ 74.114913][ T4986] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.118506][ T4986] BTRFS info (device loop0): enabling auto defrag [ 74.120326][ T4986] BTRFS info (device loop0): enabling disk space caching [ 74.122319][ T4986] BTRFS info (device loop0): disabling tree log [ 74.124066][ T4986] BTRFS info (device loop0): force clearing of disk cache [ 74.127583][ T4986] BTRFS info (device loop0): force zlib compression, level 3 [ 74.129641][ T4986] BTRFS info (device loop0): disabling disk space caching [ 74.131708][ T4986] BTRFS info (device loop0): has skinny extents [ 74.152713][ T4986] BTRFS info (device loop0): enabling ssd optimizations [ 74.157364][ T4986] BTRFS info (device loop0): clearing free space tree [ 74.159295][ T4986] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 74.161901][ T4986] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 74.172677][ T4986] FAULT_INJECTION: forcing a failure. [ 74.172677][ T4986] name failslab, interval 1, probability 0, space 0, times 0 [ 74.177756][ T4986] CPU: 0 PID: 4986 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 74.180557][ T4986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 74.183381][ T4986] Call trace: [ 74.184319][ T4986] dump_backtrace+0x0/0x43c [ 74.185609][ T4986] show_stack+0x2c/0x3c [ 74.186773][ T4986] __dump_stack+0x30/0x40 [ 74.187936][ T4986] dump_stack_lvl+0xf8/0x160 [ 74.189236][ T4986] dump_stack+0x1c/0x5c [ 74.190357][ T4986] should_fail+0x3c0/0x51c [ 74.191574][ T4986] __should_failslab+0xbc/0x10c [ 74.192918][ T4986] should_failslab+0x10/0x28 [ 74.194181][ T4986] slab_pre_alloc_hook+0x64/0xec [ 74.195584][ T4986] kmem_cache_alloc+0x94/0x3e4 [ 74.196980][ T4986] btrfs_alloc_path+0x5c/0x68 [ 74.198261][ T4986] __btrfs_free_extent+0x19c/0x1aa4 [ 74.199763][ T4986] __btrfs_run_delayed_refs+0xc5c/0x3354 [ 74.201368][ T4986] btrfs_run_delayed_refs+0x124/0x46c [ 74.202837][ T4986] btrfs_commit_transaction+0x1b8/0x3044 [ 74.204445][ T4986] btrfs_sync_fs+0x628/0xb2c [ 74.205751][ T4986] sync_filesystem+0x1a0/0x218 [ 74.207144][ T4986] btrfs_remount+0x19c/0x12b8 [ 74.208466][ T4986] legacy_reconfigure+0xf8/0x110 [ 74.209857][ T4986] reconfigure_super+0x1d4/0x6f4 [ 74.211234][ T4986] path_mount+0xc80/0x1000 [ 74.212441][ T4986] __arm64_sys_mount+0x514/0x5e4 [ 74.213922][ T4986] invoke_syscall+0x98/0x2b8 [ 74.215191][ T4986] el0_svc_common+0x138/0x258 [ 74.216564][ T4986] do_el0_svc+0x58/0x14c [ 74.217767][ T4986] el0_svc+0x78/0x1e0 [ 74.218877][ T4986] el0t_64_sync_handler+0xcc/0xe4 [ 74.220276][ T4986] el0t_64_sync+0x1a0/0x1a4 [ 74.229070][ T4986] BTRFS error (device loop0): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 74.232638][ T4986] ------------[ cut here ]------------ [ 74.234358][ T4986] WARNING: CPU: 0 PID: 4986 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 74.237281][ T4986] Modules linked in: [ 74.238318][ T4986] CPU: 0 PID: 4986 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 74.241183][ T4986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 74.243958][ T4986] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 74.246036][ T4986] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.247622][ T4986] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 74.249164][ T4986] sp : ffff80001fd07530 [ 74.250314][ T4986] x29: ffff80001fd07540 x28: ffff0000c9b88000 x27: dfff800000000000 [ 74.252542][ T4986] x26: ffff0000c9b88024 x25: ffff0000d4750000 x24: 1fffe0001bd1b279 [ 74.254800][ T4986] x23: 1fffe0001bd1b279 x22: ffff0000de8d93c8 x21: 00000000fffffff4 [ 74.257043][ T4986] x20: 0000000000000051 x19: ffff0000de8d9370 x18: 0000000000000001 [ 74.259276][ T4986] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 74.261473][ T4986] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 74.263686][ T4986] x11: 0000000000000000 x10: 0000000000000000 x9 : f12de2422821c000 [ 74.265949][ T4986] x8 : f12de2422821c000 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.268214][ T4986] x5 : ffff80001fd06e18 x4 : ffff80001424f400 x3 : ffff80000850433c [ 74.270464][ T4986] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.272732][ T4986] Call trace: [ 74.273610][ T4986] btrfs_run_delayed_refs+0x3f4/0x46c [ 74.275145][ T4986] btrfs_commit_transaction+0x1b8/0x3044 [ 74.276715][ T4986] btrfs_sync_fs+0x628/0xb2c [ 74.277991][ T4986] sync_filesystem+0x1a0/0x218 [ 74.279351][ T4986] btrfs_remount+0x19c/0x12b8 [ 74.280628][ T4986] legacy_reconfigure+0xf8/0x110 [ 74.281988][ T4986] reconfigure_super+0x1d4/0x6f4 [ 74.283350][ T4986] path_mount+0xc80/0x1000 [ 74.284597][ T4986] __arm64_sys_mount+0x514/0x5e4 [ 74.285946][ T4986] invoke_syscall+0x98/0x2b8 [ 74.287230][ T4986] el0_svc_common+0x138/0x258 [ 74.288507][ T4986] do_el0_svc+0x58/0x14c [ 74.289695][ T4986] el0_svc+0x78/0x1e0 [ 74.290784][ T4986] el0t_64_sync_handler+0xcc/0xe4 [ 74.292156][ T4986] el0t_64_sync+0x1a0/0x1a4 [ 74.293448][ T4986] irq event stamp: 80892 [ 74.294606][ T4986] hardirqs last enabled at (80891): [] __up_console_sem+0xb4/0x100 [ 74.297250][ T4986] hardirqs last disabled at (80892): [] el1_dbg+0x24/0x80 [ 74.299683][ T4986] softirqs last enabled at (80858): [] handle_softirqs+0xa4c/0xbf0 [ 74.302293][ T4986] softirqs last disabled at (80779): [] __irq_exit_rcu+0x240/0x440 [ 74.304864][ T4986] ---[ end trace c0f3eee870642d6b ]--- [ 74.306930][ T4986] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 74.309654][ T4986] BTRFS info (device loop0): forced readonly [ 74.311310][ T4986] BTRFS error (device loop0): Remounting read-write after error is not allowed 1970/01/01 00:01:14 executed programs: 15 [ 74.649651][ T5008] loop0: detected capacity change from 0 to 32768 [ 74.654034][ T5008] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5008) [ 74.663594][ T5008] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.666378][ T5008] BTRFS info (device loop0): enabling auto defrag [ 74.668289][ T5008] BTRFS info (device loop0): enabling disk space caching [ 74.670337][ T5008] BTRFS info (device loop0): disabling tree log [ 74.672166][ T5008] BTRFS info (device loop0): force clearing of disk cache [ 74.674334][ T5008] BTRFS info (device loop0): force zlib compression, level 3 [ 74.676946][ T5008] BTRFS info (device loop0): disabling disk space caching [ 74.679054][ T5008] BTRFS info (device loop0): has skinny extents [ 74.704726][ T5008] BTRFS info (device loop0): enabling ssd optimizations [ 74.708404][ T5008] BTRFS info (device loop0): clearing free space tree [ 74.710631][ T5008] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 74.713665][ T5008] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 74.723283][ T5008] FAULT_INJECTION: forcing a failure. [ 74.723283][ T5008] name failslab, interval 1, probability 0, space 0, times 0 [ 74.728401][ T5008] CPU: 1 PID: 5008 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 74.731140][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 74.733877][ T5008] Call trace: [ 74.734762][ T5008] dump_backtrace+0x0/0x43c [ 74.736014][ T5008] show_stack+0x2c/0x3c [ 74.737146][ T5008] __dump_stack+0x30/0x40 [ 74.738383][ T5008] dump_stack_lvl+0xf8/0x160 [ 74.739681][ T5008] dump_stack+0x1c/0x5c [ 74.740856][ T5008] should_fail+0x3c0/0x51c [ 74.742088][ T5008] __should_failslab+0xbc/0x10c [ 74.743483][ T5008] should_failslab+0x10/0x28 [ 74.744787][ T5008] slab_pre_alloc_hook+0x64/0xec [ 74.746172][ T5008] kmem_cache_alloc_trace+0x98/0x3fc [ 74.747733][ T5008] bdi_split_work_to_wbs+0x3d8/0x738 [ 74.749304][ T5008] sync_inodes_sb+0x180/0x824 [ 74.750609][ T5008] sync_filesystem+0x160/0x218 [ 74.751930][ T5008] btrfs_remount+0x19c/0x12b8 [ 74.753192][ T5008] legacy_reconfigure+0xf8/0x110 [ 74.754588][ T5008] reconfigure_super+0x1d4/0x6f4 [ 74.755971][ T5008] path_mount+0xc80/0x1000 [ 74.757220][ T5008] __arm64_sys_mount+0x514/0x5e4 [ 74.758409][ T5008] invoke_syscall+0x98/0x2b8 [ 74.759608][ T5008] el0_svc_common+0x138/0x258 [ 74.760951][ T5008] do_el0_svc+0x58/0x14c [ 74.762180][ T5008] el0_svc+0x78/0x1e0 [ 74.763309][ T5008] el0t_64_sync_handler+0xcc/0xe4 [ 74.764697][ T5008] el0t_64_sync+0x1a0/0x1a4 [ 74.780587][ T21] cfg80211: failed to load regulatory.db [ 75.173814][ T5029] loop0: detected capacity change from 0 to 32768 [ 75.180299][ T5029] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5029) [ 75.188470][ T5029] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 75.190823][ T5029] BTRFS info (device loop0): enabling auto defrag [ 75.348040][ T5029] FAULT_INJECTION: forcing a failure. [ 75.348040][ T5029] name failslab, interval 1, probability 0, space 0, times 0 [ 75.351820][ T5029] CPU: 1 PID: 5029 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 75.354537][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 75.357303][ T5029] Call trace: [ 75.358248][ T5029] dump_backtrace+0x0/0x43c [ 75.359543][ T5029] show_stack+0x2c/0x3c [ 75.360714][ T5029] __dump_stack+0x30/0x40 [ 75.362004][ T5029] dump_stack_lvl+0xf8/0x160 [ 75.363313][ T5029] dump_stack+0x1c/0x5c [ 75.364520][ T5029] should_fail+0x3c0/0x51c [ 75.365767][ T5029] __should_failslab+0xbc/0x10c [ 75.367129][ T5029] should_failslab+0x10/0x28 [ 75.368419][ T5029] slab_pre_alloc_hook+0x64/0xec [ 75.369873][ T5029] kmem_cache_alloc+0x94/0x3e4 [ 75.371182][ T5029] btrfs_alloc_path+0x5c/0x68 [ 75.372453][ T5029] __btrfs_run_delayed_refs+0xd70/0x3354 [ 75.374054][ T5029] btrfs_run_delayed_refs+0x124/0x46c [ 75.375633][ T5029] btrfs_commit_transaction+0x1b8/0x3044 [ 75.377337][ T5029] btrfs_sync_fs+0x628/0xb2c [ 75.378627][ T5029] sync_filesystem+0x1a0/0x218 [ 75.379915][ T5029] btrfs_remount+0x19c/0x12b8 [ 75.381231][ T5029] legacy_reconfigure+0xf8/0x110 [ 75.382581][ T5029] reconfigure_super+0x1d4/0x6f4 [ 75.383967][ T5029] path_mount+0xc80/0x1000 [ 75.385186][ T5029] __arm64_sys_mount+0x514/0x5e4 [ 75.386556][ T5029] invoke_syscall+0x98/0x2b8 [ 75.387829][ T5029] el0_svc_common+0x138/0x258 [ 75.389098][ T5029] do_el0_svc+0x58/0x14c [ 75.390290][ T5029] el0_svc+0x78/0x1e0 [ 75.391438][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.392889][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.426698][ T5029] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 75.430498][ T5029] ------------[ cut here ]------------ [ 75.432239][ T5029] WARNING: CPU: 1 PID: 5029 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 75.435047][ T5029] Modules linked in: [ 75.436145][ T5029] CPU: 1 PID: 5029 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 75.438848][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 75.441560][ T5029] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 75.443725][ T5029] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.445350][ T5029] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 75.446946][ T5029] sp : ffff80001f997530 [ 75.448043][ T5029] x29: ffff80001f997540 x28: ffff0000c20ed000 x27: dfff800000000000 [ 75.450233][ T5029] x26: ffff0000c20ed024 x25: ffff0000c0d80000 x24: 1fffe0001b9e9755 [ 75.452497][ T5029] x23: 1fffe0001b9e9755 x22: ffff0000dcf4baa8 x21: 00000000fffffff4 [ 75.454776][ T5029] x20: 0000000000000051 x19: ffff0000dcf4ba50 x18: 0000000000000001 [ 75.456987][ T5029] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 75.459237][ T5029] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 75.461501][ T5029] x11: 0000000000000000 x10: 0000000000000000 x9 : 1dd4f00337e19f00 [ 75.463781][ T5029] x8 : 1dd4f00337e19f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.466057][ T5029] x5 : ffff80001f996e18 x4 : ffff80001424f400 x3 : ffff80000850433c [ 75.468308][ T5029] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.470616][ T5029] Call trace: [ 75.471521][ T5029] btrfs_run_delayed_refs+0x3f4/0x46c [ 75.473042][ T5029] btrfs_commit_transaction+0x1b8/0x3044 [ 75.474674][ T5029] btrfs_sync_fs+0x628/0xb2c [ 75.475968][ T5029] sync_filesystem+0x1a0/0x218 [ 75.477303][ T5029] btrfs_remount+0x19c/0x12b8 [ 75.478610][ T5029] legacy_reconfigure+0xf8/0x110 [ 75.479978][ T5029] reconfigure_super+0x1d4/0x6f4 [ 75.481352][ T5029] path_mount+0xc80/0x1000 [ 75.482608][ T5029] __arm64_sys_mount+0x514/0x5e4 [ 75.483977][ T5029] invoke_syscall+0x98/0x2b8 [ 75.485243][ T5029] el0_svc_common+0x138/0x258 [ 75.486561][ T5029] do_el0_svc+0x58/0x14c [ 75.487780][ T5029] el0_svc+0x78/0x1e0 [ 75.488988][ T5029] el0t_64_sync_handler+0xcc/0xe4 [ 75.490433][ T5029] el0t_64_sync+0x1a0/0x1a4 [ 75.491738][ T5029] irq event stamp: 83190 [ 75.492901][ T5029] hardirqs last enabled at (83189): [] __up_console_sem+0xb4/0x100 [ 75.495584][ T5029] hardirqs last disabled at (83190): [] el1_dbg+0x24/0x80 [ 75.498032][ T5029] softirqs last enabled at (83150): [] handle_softirqs+0xa4c/0xbf0 [ 75.500734][ T5029] softirqs last disabled at (83137): [] __irq_exit_rcu+0x240/0x440 [ 75.503451][ T5029] ---[ end trace c0f3eee870642d6c ]--- [ 75.521150][ T5029] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 75.525467][ T5029] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 75.938174][ T5051] loop0: detected capacity change from 0 to 32768 [ 75.955719][ T5051] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5051) [ 76.015190][ T5051] FAULT_INJECTION: forcing a failure. [ 76.015190][ T5051] name failslab, interval 1, probability 0, space 0, times 0 [ 76.020558][ T5051] CPU: 1 PID: 5051 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 76.023384][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 76.026237][ T5051] Call trace: [ 76.027177][ T5051] dump_backtrace+0x0/0x43c [ 76.028428][ T5051] show_stack+0x2c/0x3c [ 76.029543][ T5051] __dump_stack+0x30/0x40 [ 76.030749][ T5051] dump_stack_lvl+0xf8/0x160 [ 76.032144][ T5051] dump_stack+0x1c/0x5c [ 76.033407][ T5051] should_fail+0x3c0/0x51c [ 76.034664][ T5051] __should_failslab+0xbc/0x10c [ 76.036063][ T5051] should_failslab+0x10/0x28 [ 76.037387][ T5051] slab_pre_alloc_hook+0x64/0xec [ 76.038799][ T5051] kmem_cache_alloc+0x94/0x3e4 [ 76.040146][ T5051] btrfs_alloc_path+0x5c/0x68 [ 76.041479][ T5051] __btrfs_run_delayed_refs+0xd70/0x3354 [ 76.043105][ T5051] btrfs_run_delayed_refs+0x124/0x46c [ 76.044638][ T5051] btrfs_commit_transaction+0x1b8/0x3044 [ 76.046241][ T5051] btrfs_sync_fs+0x628/0xb2c [ 76.047589][ T5051] sync_filesystem+0x1a0/0x218 [ 76.049004][ T5051] btrfs_remount+0x19c/0x12b8 [ 76.050338][ T5051] legacy_reconfigure+0xf8/0x110 [ 76.051696][ T5051] reconfigure_super+0x1d4/0x6f4 [ 76.053088][ T5051] path_mount+0xc80/0x1000 [ 76.054433][ T5051] __arm64_sys_mount+0x514/0x5e4 [ 76.055768][ T5051] invoke_syscall+0x98/0x2b8 [ 76.057011][ T5051] el0_svc_common+0x138/0x258 [ 76.058259][ T5051] do_el0_svc+0x58/0x14c [ 76.059376][ T5051] el0_svc+0x78/0x1e0 [ 76.060507][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 76.061890][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 76.066854][ T5051] BTRFS error (device loop0): failed to run delayed ref for logical 5246976 num_bytes 4096 type 176 action 1 ref_mod 1: -12 [ 76.070688][ T5051] ------------[ cut here ]------------ [ 76.072516][ T5051] WARNING: CPU: 1 PID: 5051 at fs/btrfs/extent-tree.c:2173 btrfs_run_delayed_refs+0x3f4/0x46c [ 76.075297][ T5051] Modules linked in: [ 76.076411][ T5051] CPU: 1 PID: 5051 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 76.079170][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 76.081911][ T5051] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 76.084127][ T5051] pc : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.085715][ T5051] lr : btrfs_run_delayed_refs+0x3f4/0x46c [ 76.087275][ T5051] sp : ffff80001fe67530 [ 76.088479][ T5051] x29: ffff80001fe67540 x28: ffff0000c20eb000 x27: dfff800000000000 [ 76.090641][ T5051] x26: ffff0000c20eb024 x25: ffff0000db260000 x24: 1fffe0001b9e9797 [ 76.092855][ T5051] x23: 1fffe0001b9e9797 x22: ffff0000dcf4bcb8 x21: 00000000fffffff4 [ 76.095062][ T5051] x20: 0000000000000051 x19: ffff0000dcf4bc60 x18: 0000000000000001 [ 76.097336][ T5051] x17: 0000000000000000 x16: ffff8000111bc798 x15: 00000000ffffffff [ 76.099720][ T5051] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 76.101943][ T5051] x11: 0000000000000000 x10: 0000000000000000 x9 : a93555476636f600 [ 76.104211][ T5051] x8 : a93555476636f600 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.106439][ T5051] x5 : ffff80001fe66e18 x4 : ffff80001424f400 x3 : ffff80000850433c [ 76.108678][ T5051] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.110970][ T5051] Call trace: [ 76.111896][ T5051] btrfs_run_delayed_refs+0x3f4/0x46c [ 76.113433][ T5051] btrfs_commit_transaction+0x1b8/0x3044 [ 76.114943][ T5051] btrfs_sync_fs+0x628/0xb2c [ 76.116231][ T5051] sync_filesystem+0x1a0/0x218 [ 76.117517][ T5051] btrfs_remount+0x19c/0x12b8 [ 76.118806][ T5051] legacy_reconfigure+0xf8/0x110 [ 76.120204][ T5051] reconfigure_super+0x1d4/0x6f4 [ 76.121543][ T5051] path_mount+0xc80/0x1000 [ 76.122838][ T5051] __arm64_sys_mount+0x514/0x5e4 [ 76.124238][ T5051] invoke_syscall+0x98/0x2b8 [ 76.125480][ T5051] el0_svc_common+0x138/0x258 [ 76.126740][ T5051] do_el0_svc+0x58/0x14c [ 76.127922][ T5051] el0_svc+0x78/0x1e0 [ 76.129020][ T5051] el0t_64_sync_handler+0xcc/0xe4 [ 76.130355][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 76.131603][ T5051] irq event stamp: 83406 [ 76.132757][ T5051] hardirqs last enabled at (83405): [] __up_console_sem+0xb4/0x100 [ 76.135402][ T5051] hardirqs last disabled at (83406): [] el1_dbg+0x24/0x80 [ 76.137789][ T5051] softirqs last enabled at (83360): [] handle_softirqs+0xa4c/0xbf0 [ 76.140439][ T5051] softirqs last disabled at (83297): [] __irq_exit_rcu+0x240/0x440 [ 76.143006][ T5051] ---[ end trace c0f3eee870642d6d ]--- [ 76.145733][ T5051] BTRFS: error (device loop0) in btrfs_run_delayed_refs:2173: errno=-12 Out of memory [ 76.148836][ T5051] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 76.483399][ T5073] loop0: detected capacity change from 0 to 32768 [ 76.488505][ T5073] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5073) [ 76.509826][ T5073] btrfs_printk: 24 callbacks suppressed [ 76.509839][ T5073] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 76.514213][ T5073] BTRFS info (device loop0): enabling auto defrag [ 76.516213][ T5073] BTRFS info (device loop0): enabling disk space caching [ 76.518219][ T5073] BTRFS info (device loop0): disabling tree log [ 76.520015][ T5073] BTRFS info (device loop0): force clearing of disk cache [ 76.522022][ T5073] BTRFS info (device loop0): force zlib compression, level 3 [ 76.524097][ T5073] BTRFS info (device loop0): disabling disk space caching [ 76.526217][ T5073] BTRFS info (device loop0): has skinny extents [ 76.541289][ T5073] BTRFS info (device loop0): enabling ssd optimizations [ 76.544319][ T5073] BTRFS info (device loop0): clearing free space tree [ 76.546447][ T5073] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 76.549422][ T5073] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 76.559216][ T5073] FAULT_INJECTION: forcing a failure. [ 76.559216][ T5073] name failslab, interval 1, probability 0, space 0, times 0 [ 76.562684][ T5073] CPU: 1 PID: 5073 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 76.564963][ T5073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 76.567493][ T5073] Call trace: [ 76.568359][ T5073] dump_backtrace+0x0/0x43c [ 76.569643][ T5073] show_stack+0x2c/0x3c [ 76.570793][ T5073] __dump_stack+0x30/0x40 [ 76.571989][ T5073] dump_stack_lvl+0xf8/0x160 [ 76.573217][ T5073] dump_stack+0x1c/0x5c [ 76.574298][ T5073] should_fail+0x3c0/0x51c [ 76.575569][ T5073] __should_failslab+0xbc/0x10c [ 76.576962][ T5073] should_failslab+0x10/0x28 [ 76.578381][ T5073] slab_pre_alloc_hook+0x64/0xec [ 76.579786][ T5073] kmem_cache_alloc_trace+0x98/0x3fc [ 76.581349][ T5073] bdi_split_work_to_wbs+0x3d8/0x738 [ 76.582816][ T5073] sync_inodes_sb+0x180/0x824 [ 76.584194][ T5073] sync_filesystem+0x160/0x218 [ 76.585577][ T5073] btrfs_remount+0x19c/0x12b8 [ 76.586958][ T5073] legacy_reconfigure+0xf8/0x110 [ 76.588361][ T5073] reconfigure_super+0x1d4/0x6f4 [ 76.589835][ T5073] path_mount+0xc80/0x1000 [ 76.591009][ T5073] __arm64_sys_mount+0x514/0x5e4 [ 76.592446][ T5073] invoke_syscall+0x98/0x2b8 [ 76.593728][ T5073] el0_svc_common+0x138/0x258 [ 76.595043][ T5073] do_el0_svc+0x58/0x14c [ 76.596291][ T5073] el0_svc+0x78/0x1e0 [ 76.597416][ T5073] el0t_64_sync_handler+0xcc/0xe4 [ 76.598806][ T5073] el0t_64_sync+0x1a0/0x1a4 [ 76.956801][ T5094] loop0: detected capacity change from 0 to 32768 [ 76.966301][ T5094] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5094) [ 76.981172][ T5094] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 76.983675][ T5094] BTRFS info (device loop0): enabling auto defrag [ 76.986573][ T5094] BTRFS info (device loop0): enabling disk space caching [ 76.989022][ T5094] BTRFS info (device loop0): disabling tree log [ 76.990777][ T5094] BTRFS info (device loop0): force clearing of disk cache [ 76.992890][ T5094] BTRFS info (device loop0): force zlib compression, level 3 [ 76.995059][ T5094] BTRFS info (device loop0): disabling disk space caching [ 76.998179][ T5094] BTRFS info (device loop0): has skinny extents [ 77.038464][ T5094] BTRFS info (device loop0): enabling ssd optimizations [ 77.041434][ T5094] BTRFS info (device loop0): clearing free space tree [ 77.043539][ T5094] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.048364][ T5094] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.059335][ T5094] FAULT_INJECTION: forcing a failure. [ 77.059335][ T5094] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 77.063579][ T5094] CPU: 1 PID: 5094 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 77.066340][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 77.069156][ T5094] Call trace: [ 77.070050][ T5094] dump_backtrace+0x0/0x43c [ 77.071448][ T5094] show_stack+0x2c/0x3c [ 77.072701][ T5094] __dump_stack+0x30/0x40 [ 77.073943][ T5094] dump_stack_lvl+0xf8/0x160 [ 77.075251][ T5094] dump_stack+0x1c/0x5c [ 77.076456][ T5094] should_fail+0x3c0/0x51c [ 77.077662][ T5094] should_fail_alloc_page+0x74/0xa8 [ 77.079141][ T5094] prepare_alloc_pages+0x160/0x460 [ 77.080554][ T5094] __alloc_pages+0x108/0x470 [ 77.081873][ T5094] alloc_pages+0x34c/0x5c0 [ 77.083095][ T5094] new_slab+0xe0/0x55c [ 77.084297][ T5094] ___slab_alloc+0x6c0/0xda8 [ 77.085644][ T5094] __slab_alloc+0x68/0xc0 [ 77.086816][ T5094] kmem_cache_alloc_trace+0x2c0/0x3fc [ 77.088348][ T5094] bdi_split_work_to_wbs+0x3d8/0x738 [ 77.089850][ T5094] sync_inodes_sb+0x180/0x824 [ 77.091115][ T5094] sync_filesystem+0x160/0x218 [ 77.092456][ T5094] btrfs_remount+0x19c/0x12b8 [ 77.093788][ T5094] legacy_reconfigure+0xf8/0x110 [ 77.095257][ T5094] reconfigure_super+0x1d4/0x6f4 [ 77.096737][ T5094] path_mount+0xc80/0x1000 [ 77.098029][ T5094] __arm64_sys_mount+0x514/0x5e4 [ 77.099498][ T5094] invoke_syscall+0x98/0x2b8 [ 77.100810][ T5094] el0_svc_common+0x138/0x258 [ 77.102151][ T5094] do_el0_svc+0x58/0x14c [ 77.103340][ T5094] el0_svc+0x78/0x1e0 [ 77.104460][ T5094] el0t_64_sync_handler+0xcc/0xe4 [ 77.105879][ T5094] el0t_64_sync+0x1a0/0x1a4 [ 77.461418][ T5115] loop0: detected capacity change from 0 to 32768 [ 77.467189][ T5115] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5115) [ 77.474638][ T5115] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.477640][ T5115] BTRFS info (device loop0): enabling auto defrag [ 77.479961][ T5115] BTRFS info (device loop0): enabling disk space caching [ 77.482523][ T5115] BTRFS info (device loop0): disabling tree log [ 77.484285][ T5115] BTRFS info (device loop0): force clearing of disk cache [ 77.486457][ T5115] BTRFS info (device loop0): force zlib compression, level 3 [ 77.488504][ T5115] BTRFS info (device loop0): disabling disk space caching [ 77.490370][ T5115] BTRFS info (device loop0): has skinny extents [ 77.522530][ T5115] BTRFS info (device loop0): enabling ssd optimizations [ 77.526941][ T5115] BTRFS info (device loop0): clearing free space tree [ 77.528956][ T5115] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 77.531742][ T5115] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 77.543695][ T5115] FAULT_INJECTION: forcing a failure. [ 77.543695][ T5115] name failslab, interval 1, probability 0, space 0, times 0 [ 77.547502][ T5115] CPU: 0 PID: 5115 Comm: syz-executor.0 Tainted: G W 5.15.189-syzkaller #0 [ 77.550310][ T5115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 77.553048][ T5115] Call trace: [ 77.553921][ T5115] dump_backtrace+0x0/0x43c [ 77.555149][ T5115] show_stack+0x2c/0x3c [ 77.556300][ T5115] __dump_stack+0x30/0x40 [ 77.557446][ T5115] dump_stack_lvl+0xf8/0x160 [ 77.558652][ T5115] dump_stack+0x1c/0x5c [ 77.559760][ T5115] should_fail+0x3c0/0x51c [ 77.560937][ T5115] __should_failslab+0xbc/0x10c [ 77.562273][ T5115] should_failslab+0x10/0x28 [ 77.563507][ T5115] slab_pre_alloc_hook+0x64/0xec [ 77.564801][ T5115] kmem_cache_alloc+0x94/0x3e4 [ 77.566109][ T5115] start_transaction+0x4d0/0x13f0 [ 77.567546][ T5115] btrfs_attach_transaction_barrier+0x30/0xac [ 77.569313][ T5115] btrfs_sync_fs+0x13c/0xb2c [ 77.570539][ T5115] sync_filesystem+0x1a0/0x218 [ 77.571835][ T5115] btrfs_remount+0x19c/0x12b8 [ 77.573094][ T5115] legacy_reconfigure+0xf8/0x110 [ 77.574397][ T5115] reconfigure_super+0x1d4/0x6f4 [ 77.575759][ T5115] path_mount+0xc80/0x1000 [ 77.576989][ T5115] __arm64_sys_mount+0x514/0x5e4 [ 77.578398][ T5115] invoke_syscall+0x98/0x2b8 [ 77.579677][ T5115] el0_svc_common+0x138/0x258 [ 77.580974][ T5115] do_el0_svc+0x58/0x14c [ 77.582118][ T5115] el0_svc+0x78/0x1e0 [ 77.583257][ T5115] el0t_64_sync_handler+0xcc/0xe4 [ 77.584609][ T5115] el0t_64_sync+0x1a0/0x1a4