Warning: Permanently added '10.128.0.81' (ED25519) to the list of known hosts. 1970/01/01 00:00:58 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:58 ignoring optional flag "type"="gce" 1970/01/01 00:00:59 parsed 1 programs 1970/01/01 00:00:59 executed programs: 0 [ 59.307442][ T4293] chnl_net:caif_netlink_parms(): no params data found [ 59.337312][ T4293] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.339464][ T4293] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.342020][ T4293] device bridge_slave_0 entered promiscuous mode [ 59.345625][ T4293] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.348351][ T4293] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.350912][ T4293] device bridge_slave_1 entered promiscuous mode [ 59.364395][ T4293] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.368734][ T4293] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.382864][ T4293] team0: Port device team_slave_0 added [ 59.385975][ T4293] team0: Port device team_slave_1 added [ 59.397856][ T4293] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.399847][ T4293] 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. [ 59.406874][ T4293] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.411029][ T4293] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.412959][ T4293] 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. [ 59.420359][ T4293] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.478158][ T4293] device hsr_slave_0 entered promiscuous mode [ 59.516754][ T4293] device hsr_slave_1 entered promiscuous mode [ 60.204095][ T4293] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.238226][ T4293] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.277917][ T4293] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.309124][ T4293] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.405354][ T4293] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.414573][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.418521][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.423721][ T4293] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.429636][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.432422][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.434999][ T1856] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.437122][ T1856] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.448134][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.450950][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.453732][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.456369][ T1856] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.458326][ T1856] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.462396][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.475809][ T4293] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.481431][ T4293] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.485551][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.490067][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.493296][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.496830][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.499673][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.502356][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.504995][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.509375][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.511981][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.519210][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.521769][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.600416][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.602637][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.609389][ T4293] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.623430][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.626250][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.640446][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.643112][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.646566][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.649530][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.653787][ T4293] device veth0_vlan entered promiscuous mode [ 60.660505][ T4293] device veth1_vlan entered promiscuous mode [ 60.675964][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.680594][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.683184][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.686553][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.691039][ T4293] device veth0_macvtap entered promiscuous mode [ 60.695174][ T4293] device veth1_macvtap entered promiscuous mode [ 60.708026][ T4293] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.710094][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.712674][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.715156][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.720930][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.726588][ T4293] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.730594][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.733325][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.738853][ T4293] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.741442][ T4293] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.743800][ T4293] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.746168][ T4293] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.793116][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.795519][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.798487][ T1856] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.820994][ T1856] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.823214][ T1856] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.826139][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.209893][ T4399] loop0: detected capacity change from 0 to 32768 [ 61.223717][ T4399] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4399) [ 61.256946][ T4399] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 61.260211][ T4399] BTRFS info (device loop0): force clearing of disk cache [ 61.270926][ T4399] BTRFS info (device loop0): setting nodatasum [ 61.272793][ T4399] BTRFS info (device loop0): allowing degraded mounts [ 61.276459][ T4399] BTRFS info (device loop0): enabling disk space caching [ 61.278335][ T4399] BTRFS info (device loop0): disk space caching is enabled [ 61.280298][ T4399] BTRFS info (device loop0): has skinny extents [ 61.307212][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 61.359669][ T4399] BTRFS info (device loop0): enabling ssd optimizations [ 61.363346][ T4399] BTRFS info (device loop0): clearing free space tree [ 61.365853][ T4399] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 61.371182][ T4399] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 61.395020][ T4399] BTRFS info (device loop0): checking UUID tree [ 61.405281][ T4399] FAULT_INJECTION: forcing a failure. [ 61.405281][ T4399] name failslab, interval 1, probability 0, space 0, times 1 [ 61.416552][ T4399] CPU: 0 PID: 4399 Comm: syz-executor.0 Not tainted 5.15.185-syzkaller #0 [ 61.418967][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 61.421790][ T4399] Call trace: [ 61.422718][ T4399] dump_backtrace+0x0/0x43c [ 61.423987][ T4399] show_stack+0x2c/0x3c [ 61.425141][ T4399] __dump_stack+0x30/0x40 [ 61.426341][ T4399] dump_stack_lvl+0xf8/0x160 [ 61.427588][ T4399] dump_stack+0x1c/0x5c [ 61.428756][ T4399] should_fail+0x3c0/0x51c [ 61.429942][ T4399] __should_failslab+0xbc/0x10c [ 61.431271][ T4399] should_failslab+0x10/0x28 [ 61.432495][ T4399] slab_pre_alloc_hook+0x64/0xec [ 61.433911][ T4399] kmem_cache_alloc_trace+0x98/0x3fc [ 61.435364][ T4399] bdi_split_work_to_wbs+0x3d8/0x738 [ 61.436837][ T4399] __writeback_inodes_sb_nr+0x1a8/0x218 [ 61.438369][ T4399] writeback_inodes_sb+0x78/0x8c [ 61.439738][ T4399] sync_filesystem+0xa0/0x218 [ 61.440980][ T4399] btrfs_remount+0x19c/0x12b8 [ 61.442257][ T4399] legacy_reconfigure+0xf8/0x110 [ 61.443575][ T4399] reconfigure_super+0x1d4/0x6f4 [ 61.444987][ T4399] path_mount+0xc80/0x1000 [ 61.446232][ T4399] __arm64_sys_mount+0x514/0x5e4 [ 61.447606][ T4399] invoke_syscall+0x98/0x2b8 [ 61.448904][ T4399] el0_svc_common+0x138/0x258 [ 61.450142][ T4399] do_el0_svc+0x58/0x14c [ 61.451307][ T4399] el0_svc+0x78/0x1e0 [ 61.452387][ T4399] el0t_64_sync_handler+0xcc/0xe4 [ 61.453744][ T4399] el0t_64_sync+0x1a0/0x1a4 [ 61.920663][ T4466] loop0: detected capacity change from 0 to 32768 [ 61.933813][ T4466] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4466) [ 61.945740][ T4466] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 61.955281][ T4466] BTRFS info (device loop0): force clearing of disk cache [ 61.958138][ T4466] BTRFS info (device loop0): setting nodatasum [ 61.960664][ T4466] BTRFS info (device loop0): allowing degraded mounts [ 61.963538][ T4466] BTRFS info (device loop0): enabling disk space caching [ 61.966246][ T4466] BTRFS info (device loop0): disk space caching is enabled [ 61.970094][ T4466] BTRFS info (device loop0): has skinny extents [ 62.086918][ T4466] BTRFS info (device loop0): enabling ssd optimizations [ 62.089833][ T4466] BTRFS info (device loop0): clearing free space tree [ 62.091935][ T4466] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 62.094882][ T4466] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 62.103023][ T4466] BTRFS info (device loop0): checking UUID tree [ 62.110906][ T4466] FAULT_INJECTION: forcing a failure. [ 62.110906][ T4466] name failslab, interval 1, probability 0, space 0, times 0 [ 62.114656][ T4466] CPU: 0 PID: 4466 Comm: syz-executor.0 Not tainted 5.15.185-syzkaller #0 [ 62.117075][ T4466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 62.119864][ T4466] Call trace: [ 62.120840][ T4466] dump_backtrace+0x0/0x43c [ 62.122154][ T4466] show_stack+0x2c/0x3c [ 62.123580][ T4466] __dump_stack+0x30/0x40 [ 62.124920][ T4466] dump_stack_lvl+0xf8/0x160 [ 62.126246][ T4466] dump_stack+0x1c/0x5c [ 62.127383][ T4466] should_fail+0x3c0/0x51c [ 62.128688][ T4466] __should_failslab+0xbc/0x10c [ 62.130076][ T4466] should_failslab+0x10/0x28 [ 62.131384][ T4466] slab_pre_alloc_hook+0x64/0xec [ 62.132774][ T4466] kmem_cache_alloc+0x94/0x3e4 [ 62.134081][ T4466] btrfs_alloc_path+0x5c/0x68 [ 62.135451][ T4466] __btrfs_run_delayed_items+0x88/0x480 [ 62.136982][ T4466] btrfs_run_delayed_items+0x24/0x34 [ 62.138405][ T4466] btrfs_commit_transaction+0x7b8/0x3044 [ 62.140066][ T4466] btrfs_sync_fs+0x628/0xb2c [ 62.141270][ T4466] sync_filesystem+0x1a0/0x218 [ 62.142565][ T4466] btrfs_remount+0x19c/0x12b8 [ 62.143916][ T4466] legacy_reconfigure+0xf8/0x110 [ 62.145383][ T4466] reconfigure_super+0x1d4/0x6f4 [ 62.146739][ T4466] path_mount+0xc80/0x1000 [ 62.148013][ T4466] __arm64_sys_mount+0x514/0x5e4 [ 62.149400][ T4466] invoke_syscall+0x98/0x2b8 [ 62.150714][ T4466] el0_svc_common+0x138/0x258 [ 62.152062][ T4466] do_el0_svc+0x58/0x14c [ 62.153224][ T4466] el0_svc+0x78/0x1e0 [ 62.154330][ T4466] el0t_64_sync_handler+0xcc/0xe4 [ 62.155733][ T4466] el0t_64_sync+0x1a0/0x1a4 [ 62.169149][ T4466] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 62.171631][ T4466] ------------[ cut here ]------------ [ 62.173481][ T4466] WARNING: CPU: 0 PID: 4466 at fs/btrfs/transaction.c:2020 btrfs_commit_transaction+0x1d6c/0x3044 [ 62.176463][ T4466] Modules linked in: [ 62.177621][ T4466] CPU: 0 PID: 4466 Comm: syz-executor.0 Not tainted 5.15.185-syzkaller #0 [ 62.180010][ T4466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 62.182940][ T4466] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 62.185112][ T4466] pc : btrfs_commit_transaction+0x1d6c/0x3044 [ 62.186873][ T4466] lr : btrfs_commit_transaction+0x1d6c/0x3044 [ 62.188628][ T4466] sp : ffff80001f1f75a0 [ 62.190011][ T4466] x29: ffff80001f1f77e0 x28: ffff700003e3eecc x27: 1fffe00018267595 [ 62.192339][ T4466] x26: ffff0000da867000 x25: 00000000fffffff4 x24: ffff0000c133aca8 [ 62.194597][ T4466] x23: ffff0000df52f478 x22: ffff0000df52f420 x21: ffff0000dc22c000 [ 62.196937][ T4466] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 62.199164][ T4466] x17: 0000000000000000 x16: ffff8000111a97c4 x15: 00000000ffffffff [ 62.201611][ T4466] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 62.203914][ T4466] x11: 0000000000000000 x10: 0000000000000000 x9 : 2ea696fa4c3b0e00 [ 62.206189][ T4466] x8 : 2ea696fa4c3b0e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 62.208515][ T4466] x5 : ffff80001f1f6e98 x4 : ffff80001423f280 x3 : ffff800008503958 [ 62.210740][ T4466] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 62.213070][ T4466] Call trace: [ 62.214026][ T4466] btrfs_commit_transaction+0x1d6c/0x3044 [ 62.215615][ T4466] btrfs_sync_fs+0x628/0xb2c [ 62.216911][ T4466] sync_filesystem+0x1a0/0x218 [ 62.218239][ T4466] btrfs_remount+0x19c/0x12b8 [ 62.219544][ T4466] legacy_reconfigure+0xf8/0x110 [ 62.220947][ T4466] reconfigure_super+0x1d4/0x6f4 [ 62.222308][ T4466] path_mount+0xc80/0x1000 [ 62.223559][ T4466] __arm64_sys_mount+0x514/0x5e4 [ 62.224932][ T4466] invoke_syscall+0x98/0x2b8 [ 62.226186][ T4466] el0_svc_common+0x138/0x258 [ 62.227471][ T4466] do_el0_svc+0x58/0x14c [ 62.228793][ T4466] el0_svc+0x78/0x1e0 [ 62.229901][ T4466] el0t_64_sync_handler+0xcc/0xe4 [ 62.231293][ T4466] el0t_64_sync+0x1a0/0x1a4 [ 62.232573][ T4466] irq event stamp: 81162 [ 62.233747][ T4466] hardirqs last enabled at (81161): [] __up_console_sem+0xb4/0x100 [ 62.236403][ T4466] hardirqs last disabled at (81162): [] el1_dbg+0x24/0x80 [ 62.238801][ T4466] softirqs last enabled at (81124): [] handle_softirqs+0xa4c/0xbf0 [ 62.241396][ T4466] softirqs last disabled at (81059): [] __irq_exit_rcu+0x240/0x440 [ 62.244166][ T4466] ---[ end trace 6ec0ba4bdf21c022 ]--- [ 62.251055][ T4466] BTRFS: error (device loop0) in cleanup_transaction:2020: errno=-12 Out of memory [ 62.253983][ T4466] BTRFS info (device loop0): forced readonly [ 62.256053][ T4466] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 62.654581][ T4535] loop0: detected capacity change from 0 to 32768 [ 62.660253][ T4535] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4535) [ 62.671316][ T4535] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 62.674250][ T4535] BTRFS info (device loop0): force clearing of disk cache [ 62.677696][ T4535] BTRFS info (device loop0): setting nodatasum [ 62.680012][ T4535] BTRFS info (device loop0): allowing degraded mounts [ 62.682443][ T4535] BTRFS info (device loop0): enabling disk space caching [ 62.684604][ T4535] BTRFS info (device loop0): disk space caching is enabled [ 62.688334][ T4535] BTRFS info (device loop0): has skinny extents [ 62.755165][ T4535] BTRFS info (device loop0): enabling ssd optimizations [ 62.760845][ T4535] BTRFS info (device loop0): clearing free space tree [ 62.762743][ T4535] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 62.765337][ T4535] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 62.787100][ T4535] BTRFS info (device loop0): checking UUID tree [ 62.801739][ T4535] FAULT_INJECTION: forcing a failure. [ 62.801739][ T4535] name failslab, interval 1, probability 0, space 0, times 0 [ 62.805286][ T4535] CPU: 1 PID: 4535 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 62.807952][ T4535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 62.810718][ T4535] Call trace: [ 62.811610][ T4535] dump_backtrace+0x0/0x43c [ 62.812884][ T4535] show_stack+0x2c/0x3c [ 62.814052][ T4535] __dump_stack+0x30/0x40 [ 62.815286][ T4535] dump_stack_lvl+0xf8/0x160 [ 62.816571][ T4535] dump_stack+0x1c/0x5c [ 62.817747][ T4535] should_fail+0x3c0/0x51c [ 62.818955][ T4535] __should_failslab+0xbc/0x10c [ 62.820314][ T4535] should_failslab+0x10/0x28 [ 62.821600][ T4535] slab_pre_alloc_hook+0x64/0xec [ 62.822945][ T4535] kmem_cache_alloc_trace+0x98/0x3fc [ 62.824356][ T4535] bdi_split_work_to_wbs+0x3d8/0x738 [ 62.825784][ T4535] __writeback_inodes_sb_nr+0x1a8/0x218 [ 62.827341][ T4535] writeback_inodes_sb+0x78/0x8c [ 62.828712][ T4535] sync_filesystem+0xa0/0x218 [ 62.830014][ T4535] btrfs_remount+0x19c/0x12b8 [ 62.831328][ T4535] legacy_reconfigure+0xf8/0x110 [ 62.832699][ T4535] reconfigure_super+0x1d4/0x6f4 [ 62.834036][ T4535] path_mount+0xc80/0x1000 [ 62.835207][ T4535] __arm64_sys_mount+0x514/0x5e4 [ 62.836540][ T4535] invoke_syscall+0x98/0x2b8 [ 62.837826][ T4535] el0_svc_common+0x138/0x258 [ 62.839144][ T4535] do_el0_svc+0x58/0x14c [ 62.840342][ T4535] el0_svc+0x78/0x1e0 [ 62.841461][ T4535] el0t_64_sync_handler+0xcc/0xe4 [ 62.842828][ T4535] el0t_64_sync+0x1a0/0x1a4 [ 63.243920][ T4592] loop0: detected capacity change from 0 to 32768 [ 63.257967][ T4592] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4592) [ 63.274315][ T4592] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 63.277404][ T4592] BTRFS info (device loop0): force clearing of disk cache [ 63.283826][ T4592] BTRFS info (device loop0): setting nodatasum [ 63.285660][ T4592] BTRFS info (device loop0): allowing degraded mounts [ 63.296102][ T4592] BTRFS info (device loop0): enabling disk space caching [ 63.307670][ T4592] BTRFS info (device loop0): disk space caching is enabled [ 63.310312][ T4592] BTRFS info (device loop0): has skinny extents [ 63.363399][ T4592] BTRFS info (device loop0): enabling ssd optimizations [ 63.366153][ T4592] BTRFS info (device loop0): clearing free space tree [ 63.369817][ T4592] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 63.372636][ T4592] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 63.380002][ T4592] BTRFS info (device loop0): checking UUID tree [ 63.386770][ T4529] Bluetooth: hci0: command 0x041b tx timeout [ 63.398943][ T4592] FAULT_INJECTION: forcing a failure. [ 63.398943][ T4592] name failslab, interval 1, probability 0, space 0, times 0 [ 63.402519][ T4592] CPU: 1 PID: 4592 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 63.405228][ T4592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 63.407927][ T4592] Call trace: [ 63.408843][ T4592] dump_backtrace+0x0/0x43c [ 63.410120][ T4592] show_stack+0x2c/0x3c [ 63.411273][ T4592] __dump_stack+0x30/0x40 [ 63.412489][ T4592] dump_stack_lvl+0xf8/0x160 [ 63.413762][ T4592] dump_stack+0x1c/0x5c [ 63.414875][ T4592] should_fail+0x3c0/0x51c [ 63.416100][ T4592] __should_failslab+0xbc/0x10c [ 63.417381][ T4592] should_failslab+0x10/0x28 [ 63.418607][ T4592] slab_pre_alloc_hook+0x64/0xec [ 63.419976][ T4592] __kmalloc_node+0xb8/0x520 [ 63.421224][ T4592] memcg_alloc_page_obj_cgroups+0x80/0x174 [ 63.422879][ T4592] slab_post_alloc_hook+0xc0/0x408 [ 63.424321][ T4592] kmem_cache_alloc_trace+0x1e4/0x3fc [ 63.425800][ T4592] legacy_init_fs_context+0x5c/0xc8 [ 63.427205][ T4592] alloc_fs_context+0x550/0x7f4 [ 63.428517][ T4592] fs_context_for_reconfigure+0x7c/0x94 [ 63.430143][ T4592] path_mount+0xbb0/0x1000 [ 63.431359][ T4592] __arm64_sys_mount+0x514/0x5e4 [ 63.432760][ T4592] invoke_syscall+0x98/0x2b8 [ 63.434080][ T4592] el0_svc_common+0x138/0x258 [ 63.435357][ T4592] do_el0_svc+0x58/0x14c [ 63.436534][ T4592] el0_svc+0x78/0x1e0 [ 63.437626][ T4592] el0t_64_sync_handler+0xcc/0xe4 [ 63.439046][ T4592] el0t_64_sync+0x1a0/0x1a4 [ 63.803491][ T4651] loop0: detected capacity change from 0 to 32768 [ 63.813364][ T4651] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4651) [ 63.821175][ T4651] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 63.824401][ T4651] BTRFS info (device loop0): force clearing of disk cache [ 63.827231][ T4651] BTRFS info (device loop0): setting nodatasum [ 63.829199][ T4651] BTRFS info (device loop0): allowing degraded mounts [ 63.831263][ T4651] BTRFS info (device loop0): enabling disk space caching [ 63.833410][ T4651] BTRFS info (device loop0): disk space caching is enabled [ 63.835647][ T4651] BTRFS info (device loop0): has skinny extents [ 63.905499][ T4651] BTRFS info (device loop0): enabling ssd optimizations [ 63.918126][ T4651] BTRFS info (device loop0): clearing free space tree [ 63.920124][ T4651] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 63.922764][ T4651] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 63.940992][ T4651] BTRFS info (device loop0): checking UUID tree [ 63.951700][ T4651] FAULT_INJECTION: forcing a failure. [ 63.951700][ T4651] name failslab, interval 1, probability 0, space 0, times 0 [ 63.962156][ T4651] CPU: 1 PID: 4651 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 63.964933][ T4651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 63.967752][ T4651] Call trace: [ 63.968631][ T4651] dump_backtrace+0x0/0x43c [ 63.969920][ T4651] show_stack+0x2c/0x3c [ 63.971057][ T4651] __dump_stack+0x30/0x40 [ 63.972246][ T4651] dump_stack_lvl+0xf8/0x160 [ 63.973523][ T4651] dump_stack+0x1c/0x5c [ 63.974706][ T4651] should_fail+0x3c0/0x51c [ 63.975978][ T4651] __should_failslab+0xbc/0x10c [ 63.977330][ T4651] should_failslab+0x10/0x28 [ 63.978592][ T4651] slab_pre_alloc_hook+0x64/0xec [ 63.979939][ T4651] kmem_cache_alloc+0x94/0x3e4 [ 63.981250][ T4651] start_transaction+0x4d0/0x13f0 [ 63.982714][ T4651] btrfs_attach_transaction_barrier+0x30/0xac [ 63.984342][ T4651] btrfs_sync_fs+0x13c/0xb2c [ 63.985585][ T4651] sync_filesystem+0x1a0/0x218 [ 63.986936][ T4651] btrfs_remount+0x19c/0x12b8 [ 63.988223][ T4651] legacy_reconfigure+0xf8/0x110 [ 63.989550][ T4651] reconfigure_super+0x1d4/0x6f4 [ 63.990906][ T4651] path_mount+0xc80/0x1000 [ 63.992109][ T4651] __arm64_sys_mount+0x514/0x5e4 [ 63.993459][ T4651] invoke_syscall+0x98/0x2b8 [ 63.994766][ T4651] el0_svc_common+0x138/0x258 [ 63.996041][ T4651] do_el0_svc+0x58/0x14c [ 63.997195][ T4651] el0_svc+0x78/0x1e0 [ 63.998318][ T4651] el0t_64_sync_handler+0xcc/0xe4 [ 63.999714][ T4651] el0t_64_sync+0x1a0/0x1a4 [ 64.395045][ T4708] loop0: detected capacity change from 0 to 32768 [ 64.403950][ T4708] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4708) [ 64.419332][ T4708] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 64.422339][ T4708] BTRFS info (device loop0): force clearing of disk cache [ 64.424605][ T4708] BTRFS info (device loop0): setting nodatasum [ 64.426921][ T4708] BTRFS info (device loop0): allowing degraded mounts [ 64.429100][ T4708] BTRFS info (device loop0): enabling disk space caching [ 64.431362][ T4708] BTRFS info (device loop0): disk space caching is enabled [ 64.433703][ T4708] BTRFS info (device loop0): has skinny extents [ 64.537661][ T4708] BTRFS info (device loop0): enabling ssd optimizations [ 64.540742][ T4708] BTRFS info (device loop0): clearing free space tree [ 64.542684][ T4708] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 64.545353][ T4708] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 64.560744][ T4708] BTRFS info (device loop0): checking UUID tree [ 64.569152][ T4708] FAULT_INJECTION: forcing a failure. [ 64.569152][ T4708] name failslab, interval 1, probability 0, space 0, times 0 [ 64.572804][ T4708] CPU: 0 PID: 4708 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 64.575430][ T4708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 64.578218][ T4708] Call trace: [ 64.579159][ T4708] dump_backtrace+0x0/0x43c [ 64.580360][ T4708] show_stack+0x2c/0x3c [ 64.581500][ T4708] __dump_stack+0x30/0x40 [ 64.582706][ T4708] dump_stack_lvl+0xf8/0x160 [ 64.583942][ T4708] dump_stack+0x1c/0x5c [ 64.585134][ T4708] should_fail+0x3c0/0x51c [ 64.586313][ T4708] __should_failslab+0xbc/0x10c [ 64.587643][ T4708] should_failslab+0x10/0x28 [ 64.588889][ T4708] slab_pre_alloc_hook+0x64/0xec [ 64.590265][ T4708] kmem_cache_alloc+0x94/0x3e4 [ 64.591597][ T4708] start_transaction+0x4d0/0x13f0 [ 64.592992][ T4708] btrfs_attach_transaction_barrier+0x30/0xac [ 64.594705][ T4708] btrfs_sync_fs+0x13c/0xb2c [ 64.596011][ T4708] sync_filesystem+0x1a0/0x218 [ 64.597326][ T4708] btrfs_remount+0x19c/0x12b8 [ 64.598670][ T4708] legacy_reconfigure+0xf8/0x110 [ 64.600061][ T4708] reconfigure_super+0x1d4/0x6f4 [ 64.601408][ T4708] path_mount+0xc80/0x1000 [ 64.602611][ T4708] __arm64_sys_mount+0x514/0x5e4 [ 64.604006][ T4708] invoke_syscall+0x98/0x2b8 [ 64.605298][ T4708] el0_svc_common+0x138/0x258 [ 64.606595][ T4708] do_el0_svc+0x58/0x14c [ 64.607773][ T4708] el0_svc+0x78/0x1e0 [ 64.608873][ T4708] el0t_64_sync_handler+0xcc/0xe4 [ 64.610220][ T4708] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:04 executed programs: 6 [ 64.951725][ T4763] loop0: detected capacity change from 0 to 32768 [ 64.956194][ T4763] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4763) [ 64.962954][ T4763] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 64.965590][ T4763] BTRFS info (device loop0): force clearing of disk cache [ 64.967752][ T4763] BTRFS info (device loop0): setting nodatasum [ 64.969563][ T4763] BTRFS info (device loop0): allowing degraded mounts [ 64.971556][ T4763] BTRFS info (device loop0): enabling disk space caching [ 64.973593][ T4763] BTRFS info (device loop0): disk space caching is enabled [ 64.975644][ T4763] BTRFS info (device loop0): has skinny extents [ 64.990375][ T4763] BTRFS info (device loop0): enabling ssd optimizations [ 64.993195][ T4763] BTRFS info (device loop0): clearing free space tree [ 64.995243][ T4763] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 64.999499][ T4763] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 65.005356][ T4763] BTRFS info (device loop0): checking UUID tree [ 65.009672][ T4763] FAULT_INJECTION: forcing a failure. [ 65.009672][ T4763] name failslab, interval 1, probability 0, space 0, times 0 [ 65.013283][ T4763] CPU: 1 PID: 4763 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 65.016058][ T4763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 65.018828][ T4763] Call trace: [ 65.019709][ T4763] dump_backtrace+0x0/0x43c [ 65.020963][ T4763] show_stack+0x2c/0x3c [ 65.022077][ T4763] __dump_stack+0x30/0x40 [ 65.023320][ T4763] dump_stack_lvl+0xf8/0x160 [ 65.024586][ T4763] dump_stack+0x1c/0x5c [ 65.025745][ T4763] should_fail+0x3c0/0x51c [ 65.026984][ T4763] __should_failslab+0xbc/0x10c [ 65.028290][ T4763] should_failslab+0x10/0x28 [ 65.029515][ T4763] slab_pre_alloc_hook+0x64/0xec [ 65.030890][ T4763] kmem_cache_alloc+0x94/0x3e4 [ 65.032191][ T4763] start_transaction+0x4d0/0x13f0 [ 65.033507][ T4763] btrfs_attach_transaction_barrier+0x30/0xac [ 65.035150][ T4763] btrfs_sync_fs+0x13c/0xb2c [ 65.036355][ T4763] sync_filesystem+0x1a0/0x218 [ 65.037665][ T4763] btrfs_remount+0x19c/0x12b8 [ 65.039003][ T4763] legacy_reconfigure+0xf8/0x110 [ 65.040343][ T4763] reconfigure_super+0x1d4/0x6f4 [ 65.041766][ T4763] path_mount+0xc80/0x1000 [ 65.042979][ T4763] __arm64_sys_mount+0x514/0x5e4 [ 65.044359][ T4763] invoke_syscall+0x98/0x2b8 [ 65.045624][ T4763] el0_svc_common+0x138/0x258 [ 65.046986][ T4763] do_el0_svc+0x58/0x14c [ 65.048141][ T4763] el0_svc+0x78/0x1e0 [ 65.049194][ T4763] el0t_64_sync_handler+0xcc/0xe4 [ 65.050566][ T4763] el0t_64_sync+0x1a0/0x1a4 [ 65.388242][ T4785] loop0: detected capacity change from 0 to 32768 [ 65.392361][ T4785] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4785) [ 65.399308][ T4785] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 65.402079][ T4785] BTRFS info (device loop0): force clearing of disk cache [ 65.404127][ T4785] BTRFS info (device loop0): setting nodatasum [ 65.405841][ T4785] BTRFS info (device loop0): allowing degraded mounts [ 65.408306][ T4785] BTRFS info (device loop0): enabling disk space caching [ 65.410366][ T4785] BTRFS info (device loop0): disk space caching is enabled [ 65.412475][ T4785] BTRFS info (device loop0): has skinny extents [ 65.439625][ T4785] BTRFS info (device loop0): enabling ssd optimizations [ 65.442405][ T4785] BTRFS info (device loop0): clearing free space tree [ 65.444415][ T4785] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 65.448733][ T4785] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 65.454944][ T4785] BTRFS info (device loop0): checking UUID tree [ 65.459459][ T4785] FAULT_INJECTION: forcing a failure. [ 65.459459][ T4785] name failslab, interval 1, probability 0, space 0, times 0 [ 65.463643][ T4785] CPU: 1 PID: 4785 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 65.466454][ T4785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 65.469334][ T4785] Call trace: [ 65.470256][ T4785] dump_backtrace+0x0/0x43c [ 65.471528][ T4785] show_stack+0x2c/0x3c [ 65.472679][ T4785] __dump_stack+0x30/0x40 [ 65.473886][ T4785] dump_stack_lvl+0xf8/0x160 [ 65.475140][ T4785] dump_stack+0x1c/0x5c [ 65.476371][ T4785] should_fail+0x3c0/0x51c [ 65.477618][ T4785] __should_failslab+0xbc/0x10c [ 65.479007][ T4785] should_failslab+0x10/0x28 [ 65.480305][ T4785] slab_pre_alloc_hook+0x64/0xec [ 65.481657][ T4785] kmem_cache_alloc+0x94/0x3e4 [ 65.482951][ T4785] start_transaction+0x4d0/0x13f0 [ 65.484329][ T4785] btrfs_attach_transaction_barrier+0x30/0xac [ 65.485979][ T4785] btrfs_sync_fs+0x13c/0xb2c [ 65.487228][ T4785] sync_filesystem+0x1a0/0x218 [ 65.488529][ T4785] btrfs_remount+0x19c/0x12b8 [ 65.489809][ T4785] legacy_reconfigure+0xf8/0x110 [ 65.491190][ T4785] reconfigure_super+0x1d4/0x6f4 [ 65.492498][ T4785] path_mount+0xc80/0x1000 [ 65.493703][ T4785] __arm64_sys_mount+0x514/0x5e4 [ 65.495168][ T4785] invoke_syscall+0x98/0x2b8 [ 65.496458][ T4785] el0_svc_common+0x138/0x258 [ 65.497782][ T4785] do_el0_svc+0x58/0x14c [ 65.498928][ T4785] el0_svc+0x78/0x1e0 [ 65.500048][ T4785] el0t_64_sync_handler+0xcc/0xe4 [ 65.501403][ T4785] el0t_64_sync+0x1a0/0x1a4 [ 65.503022][ T4043] Bluetooth: hci0: command 0x040f tx timeout [ 65.833575][ T4807] loop0: detected capacity change from 0 to 32768 [ 65.846461][ T4807] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4807) [ 65.852889][ T4807] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 65.855587][ T4807] BTRFS info (device loop0): force clearing of disk cache [ 65.857930][ T4807] BTRFS info (device loop0): setting nodatasum [ 65.882054][ T4807] FAULT_INJECTION: forcing a failure. [ 65.882054][ T4807] name failslab, interval 1, probability 0, space 0, times 0 [ 65.885830][ T4807] CPU: 0 PID: 4807 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 65.888571][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 65.891358][ T4807] Call trace: [ 65.892239][ T4807] dump_backtrace+0x0/0x43c [ 65.893823][ T4807] show_stack+0x2c/0x3c [ 65.894981][ T4807] __dump_stack+0x30/0x40 [ 65.896175][ T4807] dump_stack_lvl+0xf8/0x160 [ 65.897459][ T4807] dump_stack+0x1c/0x5c [ 65.898616][ T4807] should_fail+0x3c0/0x51c [ 65.899879][ T4807] __should_failslab+0xbc/0x10c [ 65.901221][ T4807] should_failslab+0x10/0x28 [ 65.902424][ T4807] slab_pre_alloc_hook+0x64/0xec [ 65.903781][ T4807] kmem_cache_alloc_trace+0x98/0x3fc [ 65.905275][ T4807] bdi_split_work_to_wbs+0x3d8/0x738 [ 65.906710][ T4807] __writeback_inodes_sb_nr+0x1a8/0x218 [ 65.908222][ T4807] writeback_inodes_sb+0x78/0x8c [ 65.909531][ T4807] sync_filesystem+0xa0/0x218 [ 65.910848][ T4807] btrfs_remount+0x19c/0x12b8 [ 65.912129][ T4807] legacy_reconfigure+0xf8/0x110 [ 65.913480][ T4807] reconfigure_super+0x1d4/0x6f4 [ 65.914804][ T4807] path_mount+0xc80/0x1000 [ 65.915976][ T4807] __arm64_sys_mount+0x514/0x5e4 [ 65.917313][ T4807] invoke_syscall+0x98/0x2b8 [ 65.918614][ T4807] el0_svc_common+0x138/0x258 [ 65.919919][ T4807] do_el0_svc+0x58/0x14c [ 65.921088][ T4807] el0_svc+0x78/0x1e0 [ 65.922216][ T4807] el0t_64_sync_handler+0xcc/0xe4 [ 65.923694][ T4807] el0t_64_sync+0x1a0/0x1a4 [ 66.246594][ T4829] loop0: detected capacity change from 0 to 32768 [ 66.266363][ T4829] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4829) [ 66.274962][ T4829] btrfs_printk: 9 callbacks suppressed [ 66.274973][ T4829] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 66.279662][ T4829] BTRFS info (device loop0): force clearing of disk cache [ 66.281543][ T4829] BTRFS info (device loop0): setting nodatasum [ 66.283231][ T4829] BTRFS info (device loop0): allowing degraded mounts [ 66.285116][ T4829] BTRFS info (device loop0): enabling disk space caching [ 66.287665][ T4829] BTRFS info (device loop0): disk space caching is enabled [ 66.289656][ T4829] BTRFS info (device loop0): has skinny extents [ 66.304116][ T4829] BTRFS info (device loop0): enabling ssd optimizations [ 66.308309][ T4829] BTRFS info (device loop0): clearing free space tree [ 66.310315][ T4829] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 66.313066][ T4829] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 66.319289][ T4829] BTRFS info (device loop0): checking UUID tree [ 66.323426][ T4829] FAULT_INJECTION: forcing a failure. [ 66.323426][ T4829] name failslab, interval 1, probability 0, space 0, times 0 [ 66.328310][ T4829] CPU: 0 PID: 4829 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 66.330936][ T4829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 66.333704][ T4829] Call trace: [ 66.334613][ T4829] dump_backtrace+0x0/0x43c [ 66.335835][ T4829] show_stack+0x2c/0x3c [ 66.336996][ T4829] __dump_stack+0x30/0x40 [ 66.338162][ T4829] dump_stack_lvl+0xf8/0x160 [ 66.339427][ T4829] dump_stack+0x1c/0x5c [ 66.340560][ T4829] should_fail+0x3c0/0x51c [ 66.341774][ T4829] __should_failslab+0xbc/0x10c [ 66.343080][ T4829] should_failslab+0x10/0x28 [ 66.344322][ T4829] slab_pre_alloc_hook+0x64/0xec [ 66.345676][ T4829] kmem_cache_alloc+0x94/0x3e4 [ 66.346990][ T4829] start_transaction+0x4d0/0x13f0 [ 66.348379][ T4829] btrfs_attach_transaction_barrier+0x30/0xac [ 66.350042][ T4829] btrfs_sync_fs+0x13c/0xb2c [ 66.351268][ T4829] sync_filesystem+0x1a0/0x218 [ 66.352544][ T4829] btrfs_remount+0x19c/0x12b8 [ 66.353836][ T4829] legacy_reconfigure+0xf8/0x110 [ 66.355195][ T4829] reconfigure_super+0x1d4/0x6f4 [ 66.356579][ T4829] path_mount+0xc80/0x1000 [ 66.357808][ T4829] __arm64_sys_mount+0x514/0x5e4 [ 66.359204][ T4829] invoke_syscall+0x98/0x2b8 [ 66.360451][ T4829] el0_svc_common+0x138/0x258 [ 66.361769][ T4829] do_el0_svc+0x58/0x14c [ 66.362943][ T4829] el0_svc+0x78/0x1e0 [ 66.364058][ T4829] el0t_64_sync_handler+0xcc/0xe4 [ 66.365401][ T4829] el0t_64_sync+0x1a0/0x1a4 [ 66.697598][ T4852] loop0: detected capacity change from 0 to 32768 [ 66.705130][ T4852] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4852) [ 66.718688][ T4852] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 66.721465][ T4852] BTRFS info (device loop0): force clearing of disk cache [ 66.723491][ T4852] BTRFS info (device loop0): setting nodatasum [ 66.725239][ T4852] BTRFS info (device loop0): allowing degraded mounts [ 66.727758][ T4852] BTRFS info (device loop0): enabling disk space caching [ 66.730212][ T4852] BTRFS info (device loop0): disk space caching is enabled [ 66.732764][ T4852] BTRFS info (device loop0): has skinny extents [ 66.766989][ T4852] BTRFS info (device loop0): enabling ssd optimizations [ 66.769916][ T4852] BTRFS info (device loop0): clearing free space tree [ 66.772075][ T4852] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 66.774821][ T4852] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 66.782103][ T4852] BTRFS info (device loop0): checking UUID tree [ 66.786659][ T4852] FAULT_INJECTION: forcing a failure. [ 66.786659][ T4852] name failslab, interval 1, probability 0, space 0, times 0 [ 66.790245][ T4852] CPU: 0 PID: 4852 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 66.793060][ T4852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 66.795929][ T4852] Call trace: [ 66.796823][ T4852] dump_backtrace+0x0/0x43c [ 66.798056][ T4852] show_stack+0x2c/0x3c [ 66.799284][ T4852] __dump_stack+0x30/0x40 [ 66.800539][ T4852] dump_stack_lvl+0xf8/0x160 [ 66.801879][ T4852] dump_stack+0x1c/0x5c [ 66.802998][ T4852] should_fail+0x3c0/0x51c [ 66.804236][ T4852] __should_failslab+0xbc/0x10c [ 66.805563][ T4852] should_failslab+0x10/0x28 [ 66.806836][ T4852] slab_pre_alloc_hook+0x64/0xec [ 66.808234][ T4852] kmem_cache_alloc+0x94/0x3e4 [ 66.809594][ T4852] start_transaction+0x4d0/0x13f0 [ 66.811011][ T4852] btrfs_attach_transaction_barrier+0x30/0xac [ 66.812725][ T4852] btrfs_sync_fs+0x13c/0xb2c [ 66.813955][ T4852] sync_filesystem+0x1a0/0x218 [ 66.815291][ T4852] btrfs_remount+0x19c/0x12b8 [ 66.816564][ T4852] legacy_reconfigure+0xf8/0x110 [ 66.817948][ T4852] reconfigure_super+0x1d4/0x6f4 [ 66.819343][ T4852] path_mount+0xc80/0x1000 [ 66.820532][ T4852] __arm64_sys_mount+0x514/0x5e4 [ 66.821900][ T4852] invoke_syscall+0x98/0x2b8 [ 66.823156][ T4852] el0_svc_common+0x138/0x258 [ 66.824423][ T4852] do_el0_svc+0x58/0x14c [ 66.825602][ T4852] el0_svc+0x78/0x1e0 [ 66.826788][ T4852] el0t_64_sync_handler+0xcc/0xe4 [ 66.828192][ T4852] el0t_64_sync+0x1a0/0x1a4 [ 67.179596][ T4874] loop0: detected capacity change from 0 to 32768 [ 67.186574][ T4874] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4874) [ 67.192332][ T4874] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 67.195565][ T4874] BTRFS info (device loop0): force clearing of disk cache [ 67.197992][ T4874] BTRFS info (device loop0): setting nodatasum [ 67.199767][ T4874] BTRFS info (device loop0): allowing degraded mounts [ 67.202191][ T4874] BTRFS info (device loop0): enabling disk space caching [ 67.204328][ T4874] BTRFS info (device loop0): disk space caching is enabled [ 67.206639][ T4874] BTRFS info (device loop0): has skinny extents [ 67.228037][ T4874] BTRFS info (device loop0): enabling ssd optimizations [ 67.231027][ T4874] BTRFS info (device loop0): clearing free space tree [ 67.233071][ T4874] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 67.235802][ T4874] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 67.242128][ T4874] BTRFS info (device loop0): checking UUID tree [ 67.246458][ T4874] FAULT_INJECTION: forcing a failure. [ 67.246458][ T4874] name failslab, interval 1, probability 0, space 0, times 0 [ 67.250248][ T4874] CPU: 1 PID: 4874 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 67.252968][ T4874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 67.255877][ T4874] Call trace: [ 67.256790][ T4874] dump_backtrace+0x0/0x43c [ 67.258048][ T4874] show_stack+0x2c/0x3c [ 67.259280][ T4874] __dump_stack+0x30/0x40 [ 67.260436][ T4874] dump_stack_lvl+0xf8/0x160 [ 67.261771][ T4874] dump_stack+0x1c/0x5c [ 67.262881][ T4874] should_fail+0x3c0/0x51c [ 67.264114][ T4874] __should_failslab+0xbc/0x10c [ 67.265460][ T4874] should_failslab+0x10/0x28 [ 67.266782][ T4874] slab_pre_alloc_hook+0x64/0xec [ 67.268115][ T4874] kmem_cache_alloc+0x94/0x3e4 [ 67.269438][ T4874] start_transaction+0x4d0/0x13f0 [ 67.270820][ T4874] btrfs_attach_transaction_barrier+0x30/0xac [ 67.272484][ T4874] btrfs_sync_fs+0x13c/0xb2c [ 67.273753][ T4874] sync_filesystem+0x1a0/0x218 [ 67.275104][ T4874] btrfs_remount+0x19c/0x12b8 [ 67.276410][ T4874] legacy_reconfigure+0xf8/0x110 [ 67.277784][ T4874] reconfigure_super+0x1d4/0x6f4 [ 67.279151][ T4874] path_mount+0xc80/0x1000 [ 67.280351][ T4874] __arm64_sys_mount+0x514/0x5e4 [ 67.281778][ T4874] invoke_syscall+0x98/0x2b8 [ 67.283028][ T4874] el0_svc_common+0x138/0x258 [ 67.284331][ T4874] do_el0_svc+0x58/0x14c [ 67.285452][ T4874] el0_svc+0x78/0x1e0 [ 67.286536][ T4874] el0t_64_sync_handler+0xcc/0xe4 [ 67.288104][ T4874] el0t_64_sync+0x1a0/0x1a4 [ 67.546440][ T4525] Bluetooth: hci0: command 0x0419 tx timeout [ 67.625045][ T4896] loop0: detected capacity change from 0 to 32768 [ 67.629567][ T4896] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4896) [ 67.638021][ T4896] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 67.641234][ T4896] BTRFS info (device loop0): force clearing of disk cache [ 67.643598][ T4896] BTRFS info (device loop0): setting nodatasum [ 67.645313][ T4896] BTRFS info (device loop0): allowing degraded mounts [ 67.647439][ T4896] BTRFS info (device loop0): enabling disk space caching [ 67.649435][ T4896] BTRFS info (device loop0): disk space caching is enabled [ 67.651492][ T4896] BTRFS info (device loop0): has skinny extents [ 67.666077][ T4896] BTRFS info (device loop0): enabling ssd optimizations [ 67.669243][ T4896] BTRFS info (device loop0): clearing free space tree [ 67.671400][ T4896] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 67.674235][ T4896] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 67.680276][ T4896] BTRFS info (device loop0): checking UUID tree [ 67.684975][ T4896] FAULT_INJECTION: forcing a failure. [ 67.684975][ T4896] name failslab, interval 1, probability 0, space 0, times 0 [ 67.688826][ T4896] CPU: 0 PID: 4896 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 67.691608][ T4896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 67.694356][ T4896] Call trace: [ 67.695310][ T4896] dump_backtrace+0x0/0x43c [ 67.696537][ T4896] show_stack+0x2c/0x3c [ 67.697688][ T4896] __dump_stack+0x30/0x40 [ 67.698908][ T4896] dump_stack_lvl+0xf8/0x160 [ 67.700183][ T4896] dump_stack+0x1c/0x5c [ 67.701281][ T4896] should_fail+0x3c0/0x51c [ 67.702498][ T4896] __should_failslab+0xbc/0x10c [ 67.703991][ T4896] should_failslab+0x10/0x28 [ 67.705256][ T4896] slab_pre_alloc_hook+0x64/0xec [ 67.706598][ T4896] kmem_cache_alloc_trace+0x98/0x3fc [ 67.708091][ T4896] legacy_init_fs_context+0x5c/0xc8 [ 67.709564][ T4896] alloc_fs_context+0x550/0x7f4 [ 67.710875][ T4896] fs_context_for_reconfigure+0x7c/0x94 [ 67.712389][ T4896] path_mount+0xbb0/0x1000 [ 67.713619][ T4896] __arm64_sys_mount+0x514/0x5e4 [ 67.715038][ T4896] invoke_syscall+0x98/0x2b8 [ 67.716275][ T4896] el0_svc_common+0x138/0x258 [ 67.717590][ T4896] do_el0_svc+0x58/0x14c [ 67.718797][ T4896] el0_svc+0x78/0x1e0 [ 67.719907][ T4896] el0t_64_sync_handler+0xcc/0xe4 [ 67.721312][ T4896] el0t_64_sync+0x1a0/0x1a4 [ 68.050380][ T4918] loop0: detected capacity change from 0 to 32768 [ 68.056037][ T4918] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4918) [ 68.064065][ T4918] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 68.066998][ T4918] BTRFS info (device loop0): force clearing of disk cache [ 68.069012][ T4918] BTRFS info (device loop0): setting nodatasum [ 68.070735][ T4918] BTRFS info (device loop0): allowing degraded mounts [ 68.072597][ T4918] BTRFS info (device loop0): enabling disk space caching [ 68.074572][ T4918] BTRFS info (device loop0): disk space caching is enabled [ 68.076968][ T4918] BTRFS info (device loop0): has skinny extents [ 68.091426][ T4918] BTRFS info (device loop0): enabling ssd optimizations [ 68.094139][ T4918] BTRFS info (device loop0): clearing free space tree [ 68.095968][ T4918] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 68.098799][ T4918] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 68.104161][ T4918] BTRFS info (device loop0): checking UUID tree [ 68.109471][ T4918] FAULT_INJECTION: forcing a failure. [ 68.109471][ T4918] name failslab, interval 1, probability 0, space 0, times 0 [ 68.112932][ T4918] CPU: 0 PID: 4918 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 68.115585][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 68.118337][ T4918] Call trace: [ 68.119272][ T4918] dump_backtrace+0x0/0x43c [ 68.120530][ T4918] show_stack+0x2c/0x3c [ 68.121726][ T4918] __dump_stack+0x30/0x40 [ 68.122909][ T4918] dump_stack_lvl+0xf8/0x160 [ 68.124123][ T4918] dump_stack+0x1c/0x5c [ 68.125292][ T4918] should_fail+0x3c0/0x51c [ 68.126532][ T4918] __should_failslab+0xbc/0x10c [ 68.127877][ T4918] should_failslab+0x10/0x28 [ 68.129137][ T4918] slab_pre_alloc_hook+0x64/0xec [ 68.130471][ T4918] kmem_cache_alloc+0x94/0x3e4 [ 68.131819][ T4918] btrfs_alloc_path+0x5c/0x68 [ 68.133210][ T4918] __btrfs_run_delayed_items+0x88/0x480 [ 68.134764][ T4918] btrfs_run_delayed_items+0x24/0x34 [ 68.136180][ T4918] btrfs_commit_transaction+0x7b8/0x3044 [ 68.137725][ T4918] btrfs_sync_fs+0x628/0xb2c [ 68.138996][ T4918] sync_filesystem+0x1a0/0x218 [ 68.140329][ T4918] btrfs_remount+0x19c/0x12b8 [ 68.141593][ T4918] legacy_reconfigure+0xf8/0x110 [ 68.143007][ T4918] reconfigure_super+0x1d4/0x6f4 [ 68.144351][ T4918] path_mount+0xc80/0x1000 [ 68.145536][ T4918] __arm64_sys_mount+0x514/0x5e4 [ 68.146923][ T4918] invoke_syscall+0x98/0x2b8 [ 68.148207][ T4918] el0_svc_common+0x138/0x258 [ 68.149503][ T4918] do_el0_svc+0x58/0x14c [ 68.150668][ T4918] el0_svc+0x78/0x1e0 [ 68.151797][ T4918] el0t_64_sync_handler+0xcc/0xe4 [ 68.153156][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 68.154903][ T4918] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 68.157339][ T4918] ------------[ cut here ]------------ [ 68.159040][ T4918] WARNING: CPU: 0 PID: 4918 at fs/btrfs/transaction.c:2020 btrfs_commit_transaction+0x1d6c/0x3044 [ 68.162007][ T4918] Modules linked in: [ 68.163057][ T4918] CPU: 0 PID: 4918 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 68.166034][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 68.168893][ T4918] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 68.171063][ T4918] pc : btrfs_commit_transaction+0x1d6c/0x3044 [ 68.172783][ T4918] lr : btrfs_commit_transaction+0x1d6c/0x3044 [ 68.174466][ T4918] sp : ffff80001fb175a0 [ 68.175657][ T4918] x29: ffff80001fb177e0 x28: ffff700003f62ecc x27: 1fffe0001ae39595 [ 68.177903][ T4918] x26: ffff0000c18d9000 x25: 00000000fffffff4 x24: ffff0000d71caca8 [ 68.180058][ T4918] x23: ffff0000dd3da738 x22: ffff0000dd3da6e0 x21: ffff0000d8a0c000 [ 68.182268][ T4918] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 68.184430][ T4918] x17: 0000000000000000 x16: ffff8000111a97c4 x15: 00000000ffffffff [ 68.186733][ T4918] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 68.189003][ T4918] x11: 0000000000000000 x10: 0000000000000000 x9 : cd797174c617ab00 [ 68.191325][ T4918] x8 : cd797174c617ab00 x7 : 0000000000000001 x6 : 0000000000000001 [ 68.193562][ T4918] x5 : ffff80001fb16e98 x4 : ffff80001423f280 x3 : ffff800008503958 [ 68.195835][ T4918] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 68.198062][ T4918] Call trace: [ 68.198972][ T4918] btrfs_commit_transaction+0x1d6c/0x3044 [ 68.200523][ T4918] btrfs_sync_fs+0x628/0xb2c [ 68.201785][ T4918] sync_filesystem+0x1a0/0x218 [ 68.203104][ T4918] btrfs_remount+0x19c/0x12b8 [ 68.204386][ T4918] legacy_reconfigure+0xf8/0x110 [ 68.205734][ T4918] reconfigure_super+0x1d4/0x6f4 [ 68.207129][ T4918] path_mount+0xc80/0x1000 [ 68.208359][ T4918] __arm64_sys_mount+0x514/0x5e4 [ 68.209794][ T4918] invoke_syscall+0x98/0x2b8 [ 68.211029][ T4918] el0_svc_common+0x138/0x258 [ 68.212301][ T4918] do_el0_svc+0x58/0x14c [ 68.213445][ T4918] el0_svc+0x78/0x1e0 [ 68.214572][ T4918] el0t_64_sync_handler+0xcc/0xe4 [ 68.216013][ T4918] el0t_64_sync+0x1a0/0x1a4 [ 68.217290][ T4918] irq event stamp: 80060 [ 68.218426][ T4918] hardirqs last enabled at (80059): [] __up_console_sem+0xb4/0x100 [ 68.221040][ T4918] hardirqs last disabled at (80060): [] el1_dbg+0x24/0x80 [ 68.223454][ T4918] softirqs last enabled at (80042): [] handle_softirqs+0xa4c/0xbf0 [ 68.226119][ T4918] softirqs last disabled at (80021): [] __irq_exit_rcu+0x240/0x440 [ 68.228754][ T4918] ---[ end trace 6ec0ba4bdf21c023 ]--- [ 68.231414][ T4918] BTRFS: error (device loop0) in cleanup_transaction:2020: errno=-12 Out of memory [ 68.234000][ T4918] BTRFS info (device loop0): forced readonly [ 68.235755][ T4918] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 68.564135][ T4940] loop0: detected capacity change from 0 to 32768 [ 68.568371][ T4940] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4940) [ 68.577826][ T4940] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 68.580821][ T4940] BTRFS info (device loop0): force clearing of disk cache [ 68.582811][ T4940] BTRFS info (device loop0): setting nodatasum [ 68.584538][ T4940] BTRFS info (device loop0): allowing degraded mounts [ 68.586834][ T4940] BTRFS info (device loop0): enabling disk space caching [ 68.588754][ T4940] BTRFS info (device loop0): disk space caching is enabled [ 68.590786][ T4940] BTRFS info (device loop0): has skinny extents [ 68.605030][ T4940] BTRFS info (device loop0): enabling ssd optimizations [ 68.609008][ T4940] BTRFS info (device loop0): clearing free space tree [ 68.611049][ T4940] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 68.613815][ T4940] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 68.620770][ T4940] BTRFS info (device loop0): checking UUID tree [ 68.624796][ T4940] FAULT_INJECTION: forcing a failure. [ 68.624796][ T4940] name failslab, interval 1, probability 0, space 0, times 0 [ 68.629842][ T4940] CPU: 1 PID: 4940 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 68.632635][ T4940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 68.635497][ T4940] Call trace: [ 68.636395][ T4940] dump_backtrace+0x0/0x43c [ 68.637612][ T4940] show_stack+0x2c/0x3c [ 68.638795][ T4940] __dump_stack+0x30/0x40 [ 68.639988][ T4940] dump_stack_lvl+0xf8/0x160 [ 68.641252][ T4940] dump_stack+0x1c/0x5c [ 68.642425][ T4940] should_fail+0x3c0/0x51c [ 68.643634][ T4940] __should_failslab+0xbc/0x10c [ 68.645015][ T4940] should_failslab+0x10/0x28 [ 68.646296][ T4940] slab_pre_alloc_hook+0x64/0xec [ 68.647630][ T4940] kmem_cache_alloc_trace+0x98/0x3fc [ 68.649079][ T4940] bdi_split_work_to_wbs+0x3d8/0x738 [ 68.650531][ T4940] __writeback_inodes_sb_nr+0x1a8/0x218 [ 68.652067][ T4940] writeback_inodes_sb+0x78/0x8c [ 68.653404][ T4940] sync_filesystem+0xa0/0x218 [ 68.654759][ T4940] btrfs_remount+0x19c/0x12b8 [ 68.656116][ T4940] legacy_reconfigure+0xf8/0x110 [ 68.657509][ T4940] reconfigure_super+0x1d4/0x6f4 [ 68.658840][ T4940] path_mount+0xc80/0x1000 [ 68.660039][ T4940] __arm64_sys_mount+0x514/0x5e4 [ 68.661413][ T4940] invoke_syscall+0x98/0x2b8 [ 68.662685][ T4940] el0_svc_common+0x138/0x258 [ 68.663984][ T4940] do_el0_svc+0x58/0x14c [ 68.665166][ T4940] el0_svc+0x78/0x1e0 [ 68.666290][ T4940] el0t_64_sync_handler+0xcc/0xe4 [ 68.667683][ T4940] el0t_64_sync+0x1a0/0x1a4 [ 68.995417][ T4962] loop0: detected capacity change from 0 to 32768 [ 69.001082][ T4962] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4962) [ 69.009463][ T4962] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 69.012007][ T4962] BTRFS info (device loop0): force clearing of disk cache [ 69.013844][ T4962] BTRFS info (device loop0): setting nodatasum [ 69.015438][ T4962] BTRFS info (device loop0): allowing degraded mounts [ 69.018358][ T4962] BTRFS info (device loop0): enabling disk space caching [ 69.020759][ T4962] BTRFS info (device loop0): disk space caching is enabled [ 69.023427][ T4962] BTRFS info (device loop0): has skinny extents [ 69.051571][ T4962] BTRFS info (device loop0): enabling ssd optimizations [ 69.054338][ T4962] BTRFS info (device loop0): clearing free space tree [ 69.056501][ T4962] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 69.066476][ T4962] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 69.072148][ T4962] BTRFS info (device loop0): checking UUID tree [ 69.075974][ T4962] FAULT_INJECTION: forcing a failure. [ 69.075974][ T4962] name failslab, interval 1, probability 0, space 0, times 0 [ 69.081555][ T4962] CPU: 0 PID: 4962 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 69.084330][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 69.087128][ T4962] Call trace: [ 69.088011][ T4962] dump_backtrace+0x0/0x43c [ 69.089225][ T4962] show_stack+0x2c/0x3c [ 69.090384][ T4962] __dump_stack+0x30/0x40 [ 69.091624][ T4962] dump_stack_lvl+0xf8/0x160 [ 69.092943][ T4962] dump_stack+0x1c/0x5c [ 69.094107][ T4962] should_fail+0x3c0/0x51c [ 69.095338][ T4962] __should_failslab+0xbc/0x10c [ 69.096697][ T4962] should_failslab+0x10/0x28 [ 69.097956][ T4962] slab_pre_alloc_hook+0x64/0xec [ 69.099357][ T4962] kmem_cache_alloc+0x94/0x3e4 [ 69.100671][ T4962] start_transaction+0x4d0/0x13f0 [ 69.102102][ T4962] btrfs_attach_transaction_barrier+0x30/0xac [ 69.103858][ T4962] btrfs_sync_fs+0x13c/0xb2c [ 69.105248][ T4962] sync_filesystem+0x1a0/0x218 [ 69.106657][ T4962] btrfs_remount+0x19c/0x12b8 [ 69.108018][ T4962] legacy_reconfigure+0xf8/0x110 [ 69.109427][ T4962] reconfigure_super+0x1d4/0x6f4 [ 69.110878][ T4962] path_mount+0xc80/0x1000 [ 69.112110][ T4962] __arm64_sys_mount+0x514/0x5e4 [ 69.113486][ T4962] invoke_syscall+0x98/0x2b8 [ 69.114824][ T4962] el0_svc_common+0x138/0x258 [ 69.116124][ T4962] do_el0_svc+0x58/0x14c [ 69.117293][ T4962] el0_svc+0x78/0x1e0 [ 69.118393][ T4962] el0t_64_sync_handler+0xcc/0xe4 [ 69.119852][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 69.458305][ T4984] loop0: detected capacity change from 0 to 32768 [ 69.464900][ T4984] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4984) [ 69.472577][ T4984] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 69.475468][ T4984] BTRFS info (device loop0): force clearing of disk cache [ 69.477679][ T4984] BTRFS info (device loop0): setting nodatasum [ 69.479286][ T4984] BTRFS info (device loop0): allowing degraded mounts [ 69.481288][ T4984] BTRFS info (device loop0): enabling disk space caching [ 69.483166][ T4984] BTRFS info (device loop0): disk space caching is enabled [ 69.485119][ T4984] BTRFS info (device loop0): has skinny extents [ 69.500720][ T4984] BTRFS info (device loop0): enabling ssd optimizations [ 69.503492][ T4984] BTRFS info (device loop0): clearing free space tree [ 69.505494][ T4984] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 69.510046][ T4984] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 69.515982][ T4984] BTRFS info (device loop0): checking UUID tree [ 69.520149][ T4984] FAULT_INJECTION: forcing a failure. [ 69.520149][ T4984] name failslab, interval 1, probability 0, space 0, times 0 [ 69.523908][ T4984] CPU: 1 PID: 4984 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 69.526670][ T4984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 69.529361][ T4984] Call trace: [ 69.530269][ T4984] dump_backtrace+0x0/0x43c [ 69.531541][ T4984] show_stack+0x2c/0x3c [ 69.532657][ T4984] __dump_stack+0x30/0x40 [ 69.533833][ T4984] dump_stack_lvl+0xf8/0x160 [ 69.535068][ T4984] dump_stack+0x1c/0x5c [ 69.536209][ T4984] should_fail+0x3c0/0x51c [ 69.537417][ T4984] __should_failslab+0xbc/0x10c [ 69.538744][ T4984] should_failslab+0x10/0x28 [ 69.539958][ T4984] slab_pre_alloc_hook+0x64/0xec [ 69.541427][ T4984] kmem_cache_alloc+0x94/0x3e4 [ 69.542810][ T4984] start_transaction+0x4d0/0x13f0 [ 69.544188][ T4984] btrfs_attach_transaction_barrier+0x30/0xac [ 69.545874][ T4984] btrfs_sync_fs+0x13c/0xb2c [ 69.547129][ T4984] sync_filesystem+0x1a0/0x218 [ 69.548457][ T4984] btrfs_remount+0x19c/0x12b8 [ 69.549806][ T4984] legacy_reconfigure+0xf8/0x110 [ 69.551143][ T4984] reconfigure_super+0x1d4/0x6f4 [ 69.552461][ T4984] path_mount+0xc80/0x1000 [ 69.553708][ T4984] __arm64_sys_mount+0x514/0x5e4 [ 69.555072][ T4984] invoke_syscall+0x98/0x2b8 [ 69.556359][ T4984] el0_svc_common+0x138/0x258 [ 69.557675][ T4984] do_el0_svc+0x58/0x14c [ 69.558845][ T4984] el0_svc+0x78/0x1e0 [ 69.559955][ T4984] el0t_64_sync_handler+0xcc/0xe4 [ 69.561326][ T4984] el0t_64_sync+0x1a0/0x1a4 [ 69.628884][ T2056] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.630708][ T2056] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.880207][ T5006] loop0: detected capacity change from 0 to 32768 [ 69.889035][ T5006] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5006) [ 69.894713][ T5006] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 69.897529][ T5006] BTRFS info (device loop0): force clearing of disk cache [ 69.899642][ T5006] BTRFS info (device loop0): setting nodatasum [ 69.923982][ T5006] FAULT_INJECTION: forcing a failure. [ 69.923982][ T5006] name failslab, interval 1, probability 0, space 0, times 0 [ 69.928955][ T5006] CPU: 1 PID: 5006 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 69.931590][ T5006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 69.934411][ T5006] Call trace: [ 69.935306][ T5006] dump_backtrace+0x0/0x43c [ 69.936509][ T5006] show_stack+0x2c/0x3c [ 69.937611][ T5006] __dump_stack+0x30/0x40 [ 69.938811][ T5006] dump_stack_lvl+0xf8/0x160 [ 69.940049][ T5006] dump_stack+0x1c/0x5c [ 69.941191][ T5006] should_fail+0x3c0/0x51c [ 69.942384][ T5006] __should_failslab+0xbc/0x10c [ 69.943708][ T5006] should_failslab+0x10/0x28 [ 69.944963][ T5006] slab_pre_alloc_hook+0x64/0xec [ 69.946263][ T5006] kmem_cache_alloc+0x94/0x3e4 [ 69.947551][ T5006] getname_flags+0xb8/0x450 [ 69.948783][ T5006] getname+0x28/0x38 [ 69.949836][ T5006] do_sys_openat2+0xd0/0x3d8 [ 69.951084][ T5006] __arm64_sys_openat+0x120/0x154 [ 69.952422][ T5006] invoke_syscall+0x98/0x2b8 [ 69.953676][ T5006] el0_svc_common+0x138/0x258 [ 69.954935][ T5006] do_el0_svc+0x58/0x14c [ 69.956072][ T5006] el0_svc+0x78/0x1e0 [ 69.957151][ T5006] el0t_64_sync_handler+0xcc/0xe4 [ 69.958551][ T5006] el0t_64_sync+0x1a0/0x1a4 1970/01/01 00:01:09 executed programs: 18 [ 70.283351][ T5031] loop0: detected capacity change from 0 to 32768 [ 70.288961][ T5031] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5031) [ 70.338711][ T5031] FAULT_INJECTION: forcing a failure. [ 70.338711][ T5031] name failslab, interval 1, probability 0, space 0, times 0 [ 70.342238][ T5031] CPU: 1 PID: 5031 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 70.344970][ T5031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.347712][ T5031] Call trace: [ 70.348588][ T5031] dump_backtrace+0x0/0x43c [ 70.349818][ T5031] show_stack+0x2c/0x3c [ 70.350963][ T5031] __dump_stack+0x30/0x40 [ 70.352091][ T5031] dump_stack_lvl+0xf8/0x160 [ 70.353297][ T5031] dump_stack+0x1c/0x5c [ 70.354433][ T5031] should_fail+0x3c0/0x51c [ 70.355619][ T5031] __should_failslab+0xbc/0x10c [ 70.356922][ T5031] should_failslab+0x10/0x28 [ 70.358128][ T5031] slab_pre_alloc_hook+0x64/0xec [ 70.359512][ T5031] kmem_cache_alloc+0x94/0x3e4 [ 70.360822][ T5031] start_transaction+0x4d0/0x13f0 [ 70.362173][ T5031] btrfs_attach_transaction_barrier+0x30/0xac [ 70.363751][ T5031] btrfs_sync_fs+0x13c/0xb2c [ 70.364990][ T5031] sync_filesystem+0x1a0/0x218 [ 70.366241][ T5031] btrfs_remount+0x19c/0x12b8 [ 70.367579][ T5031] legacy_reconfigure+0xf8/0x110 [ 70.368909][ T5031] reconfigure_super+0x1d4/0x6f4 [ 70.370235][ T5031] path_mount+0xc80/0x1000 [ 70.371420][ T5031] __arm64_sys_mount+0x514/0x5e4 [ 70.372787][ T5031] invoke_syscall+0x98/0x2b8 [ 70.374009][ T5031] el0_svc_common+0x138/0x258 [ 70.375260][ T5031] do_el0_svc+0x58/0x14c [ 70.376397][ T5031] el0_svc+0x78/0x1e0 [ 70.377482][ T5031] el0t_64_sync_handler+0xcc/0xe4 [ 70.378868][ T5031] el0t_64_sync+0x1a0/0x1a4 [ 70.707489][ T5054] loop0: detected capacity change from 0 to 32768 [ 70.711399][ T5054] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5054) [ 70.754989][ T5054] FAULT_INJECTION: forcing a failure. [ 70.754989][ T5054] name failslab, interval 1, probability 0, space 0, times 0 [ 70.758975][ T5054] CPU: 0 PID: 5054 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 70.761701][ T5054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.764420][ T5054] Call trace: [ 70.765312][ T5054] dump_backtrace+0x0/0x43c [ 70.766549][ T5054] show_stack+0x2c/0x3c [ 70.767693][ T5054] __dump_stack+0x30/0x40 [ 70.768856][ T5054] dump_stack_lvl+0xf8/0x160 [ 70.770107][ T5054] dump_stack+0x1c/0x5c [ 70.771257][ T5054] should_fail+0x3c0/0x51c [ 70.772517][ T5054] __should_failslab+0xbc/0x10c [ 70.773864][ T5054] should_failslab+0x10/0x28 [ 70.775117][ T5054] slab_pre_alloc_hook+0x64/0xec [ 70.776447][ T5054] kmem_cache_alloc+0x94/0x3e4 [ 70.777739][ T5054] btrfs_alloc_path+0x5c/0x68 [ 70.779132][ T5054] __btrfs_run_delayed_items+0x88/0x480 [ 70.780616][ T5054] btrfs_run_delayed_items+0x24/0x34 [ 70.782129][ T5054] btrfs_commit_transaction+0x7b8/0x3044 [ 70.783669][ T5054] btrfs_sync_fs+0x628/0xb2c [ 70.784970][ T5054] sync_filesystem+0x1a0/0x218 [ 70.786282][ T5054] btrfs_remount+0x19c/0x12b8 [ 70.787563][ T5054] legacy_reconfigure+0xf8/0x110 [ 70.788939][ T5054] reconfigure_super+0x1d4/0x6f4 [ 70.790282][ T5054] path_mount+0xc80/0x1000 [ 70.791480][ T5054] __arm64_sys_mount+0x514/0x5e4 [ 70.792846][ T5054] invoke_syscall+0x98/0x2b8 [ 70.794159][ T5054] el0_svc_common+0x138/0x258 [ 70.795462][ T5054] do_el0_svc+0x58/0x14c [ 70.796667][ T5054] el0_svc+0x78/0x1e0 [ 70.797760][ T5054] el0t_64_sync_handler+0xcc/0xe4 [ 70.799137][ T5054] el0t_64_sync+0x1a0/0x1a4 [ 70.804372][ T5054] BTRFS warning (device loop0): Skipping commit of aborted transaction. [ 70.806740][ T5054] ------------[ cut here ]------------ [ 70.808435][ T5054] WARNING: CPU: 0 PID: 5054 at fs/btrfs/transaction.c:2020 btrfs_commit_transaction+0x1d6c/0x3044 [ 70.811300][ T5054] Modules linked in: [ 70.812330][ T5054] CPU: 0 PID: 5054 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 70.814986][ T5054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.817795][ T5054] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 70.819946][ T5054] pc : btrfs_commit_transaction+0x1d6c/0x3044 [ 70.821585][ T5054] lr : btrfs_commit_transaction+0x1d6c/0x3044 [ 70.823240][ T5054] sp : ffff8000204675a0 [ 70.824383][ T5054] x29: ffff8000204677e0 x28: ffff70000408cecc x27: 1fffe00018259595 [ 70.826625][ T5054] x26: ffff0000c7f2d000 x25: 00000000fffffff4 x24: ffff0000c12caca8 [ 70.828819][ T5054] x23: ffff0000dd3dac08 x22: ffff0000dd3dabb0 x21: ffff0000daa38000 [ 70.831015][ T5054] x20: 0000000000000000 x19: dfff800000000000 x18: 0000000000000001 [ 70.833223][ T5054] x17: 0000000000000000 x16: ffff8000111a97c4 x15: 00000000ffffffff [ 70.835465][ T5054] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 70.837665][ T5054] x11: 0000000000000000 x10: 0000000000000000 x9 : f1aa76d71a1b9d00 [ 70.839820][ T5054] x8 : f1aa76d71a1b9d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 70.842081][ T5054] x5 : ffff800020466e98 x4 : ffff80001423f280 x3 : ffff800008503958 [ 70.844252][ T5054] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 70.846715][ T5054] Call trace: [ 70.847639][ T5054] btrfs_commit_transaction+0x1d6c/0x3044 [ 70.849232][ T5054] btrfs_sync_fs+0x628/0xb2c [ 70.850546][ T5054] sync_filesystem+0x1a0/0x218 [ 70.851920][ T5054] btrfs_remount+0x19c/0x12b8 [ 70.853225][ T5054] legacy_reconfigure+0xf8/0x110 [ 70.854645][ T5054] reconfigure_super+0x1d4/0x6f4 [ 70.856096][ T5054] path_mount+0xc80/0x1000 [ 70.857316][ T5054] __arm64_sys_mount+0x514/0x5e4 [ 70.858689][ T5054] invoke_syscall+0x98/0x2b8 [ 70.859953][ T5054] el0_svc_common+0x138/0x258 [ 70.861226][ T5054] do_el0_svc+0x58/0x14c [ 70.862389][ T5054] el0_svc+0x78/0x1e0 [ 70.863462][ T5054] el0t_64_sync_handler+0xcc/0xe4 [ 70.864851][ T5054] el0t_64_sync+0x1a0/0x1a4 [ 70.866134][ T5054] irq event stamp: 79416 [ 70.867345][ T5054] hardirqs last enabled at (79415): [] __up_console_sem+0xb4/0x100 [ 70.870034][ T5054] hardirqs last disabled at (79416): [] el1_dbg+0x24/0x80 [ 70.872476][ T5054] softirqs last enabled at (79398): [] handle_softirqs+0xa4c/0xbf0 [ 70.875133][ T5054] softirqs last disabled at (79357): [] __irq_exit_rcu+0x240/0x440 [ 70.877757][ T5054] ---[ end trace 6ec0ba4bdf21c024 ]--- [ 70.881250][ T5054] BTRFS: error (device loop0) in cleanup_transaction:2020: errno=-12 Out of memory [ 70.884139][ T5054] BTRFS error (device loop0): Remounting read-write after error is not allowed [ 71.217599][ T5076] loop0: detected capacity change from 0 to 32768 [ 71.221535][ T5076] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5076) [ 71.259446][ T5076] FAULT_INJECTION: forcing a failure. [ 71.259446][ T5076] name failslab, interval 1, probability 0, space 0, times 0 [ 71.263059][ T5076] CPU: 1 PID: 5076 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 71.265796][ T5076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 71.268852][ T5076] Call trace: [ 71.269738][ T5076] dump_backtrace+0x0/0x43c [ 71.270941][ T5076] show_stack+0x2c/0x3c [ 71.272057][ T5076] __dump_stack+0x30/0x40 [ 71.273238][ T5076] dump_stack_lvl+0xf8/0x160 [ 71.274506][ T5076] dump_stack+0x1c/0x5c [ 71.275659][ T5076] should_fail+0x3c0/0x51c [ 71.276885][ T5076] __should_failslab+0xbc/0x10c [ 71.278196][ T5076] should_failslab+0x10/0x28 [ 71.279463][ T5076] slab_pre_alloc_hook+0x64/0xec [ 71.280825][ T5076] kmem_cache_alloc_trace+0x98/0x3fc [ 71.282273][ T5076] bdi_split_work_to_wbs+0x3d8/0x738 [ 71.283698][ T5076] __writeback_inodes_sb_nr+0x1a8/0x218 [ 71.285163][ T5076] writeback_inodes_sb+0x78/0x8c [ 71.286541][ T5076] sync_filesystem+0xa0/0x218 [ 71.287811][ T5076] btrfs_remount+0x19c/0x12b8 [ 71.289143][ T5076] legacy_reconfigure+0xf8/0x110 [ 71.290494][ T5076] reconfigure_super+0x1d4/0x6f4 [ 71.291830][ T5076] path_mount+0xc80/0x1000 [ 71.292996][ T5076] __arm64_sys_mount+0x514/0x5e4 [ 71.294395][ T5076] invoke_syscall+0x98/0x2b8 [ 71.295698][ T5076] el0_svc_common+0x138/0x258 [ 71.296970][ T5076] do_el0_svc+0x58/0x14c [ 71.298168][ T5076] el0_svc+0x78/0x1e0 [ 71.299250][ T5076] el0t_64_sync_handler+0xcc/0xe4 [ 71.300571][ T5076] el0t_64_sync+0x1a0/0x1a4 [ 71.636240][ T5098] loop0: detected capacity change from 0 to 32768 [ 71.640347][ T5098] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5098) [ 71.660877][ T5098] btrfs_printk: 46 callbacks suppressed [ 71.660888][ T5098] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 71.664930][ T5098] BTRFS info (device loop0): force clearing of disk cache [ 71.667395][ T5098] BTRFS info (device loop0): setting nodatasum [ 71.669054][ T5098] BTRFS info (device loop0): allowing degraded mounts [ 71.670933][ T5098] BTRFS info (device loop0): enabling disk space caching [ 71.672929][ T5098] BTRFS info (device loop0): disk space caching is enabled [ 71.674881][ T5098] BTRFS info (device loop0): has skinny extents [ 71.689761][ T5098] BTRFS info (device loop0): enabling ssd optimizations [ 71.693008][ T5098] BTRFS info (device loop0): clearing free space tree [ 71.694949][ T5098] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 71.697985][ T5098] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 71.703494][ T5098] BTRFS info (device loop0): checking UUID tree [ 71.714579][ T5098] FAULT_INJECTION: forcing a failure. [ 71.714579][ T5098] name failslab, interval 1, probability 0, space 0, times 0 [ 71.718221][ T5098] CPU: 1 PID: 5098 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 71.720970][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 71.723605][ T5098] Call trace: [ 71.724491][ T5098] dump_backtrace+0x0/0x43c [ 71.725779][ T5098] show_stack+0x2c/0x3c [ 71.726897][ T5098] __dump_stack+0x30/0x40 [ 71.728137][ T5098] dump_stack_lvl+0xf8/0x160 [ 71.729417][ T5098] dump_stack+0x1c/0x5c [ 71.730563][ T5098] should_fail+0x3c0/0x51c [ 71.731801][ T5098] __should_failslab+0xbc/0x10c [ 71.733173][ T5098] should_failslab+0x10/0x28 [ 71.734462][ T5098] slab_pre_alloc_hook+0x64/0xec [ 71.735821][ T5098] kmem_cache_alloc+0x94/0x3e4 [ 71.737190][ T5098] start_transaction+0x4d0/0x13f0 [ 71.738530][ T5098] btrfs_attach_transaction_barrier+0x30/0xac [ 71.740209][ T5098] btrfs_sync_fs+0x13c/0xb2c [ 71.741440][ T5098] sync_filesystem+0x1a0/0x218 [ 71.742756][ T5098] btrfs_remount+0x19c/0x12b8 [ 71.744086][ T5098] legacy_reconfigure+0xf8/0x110 [ 71.745418][ T5098] reconfigure_super+0x1d4/0x6f4 [ 71.746792][ T5098] path_mount+0xc80/0x1000 [ 71.748000][ T5098] __arm64_sys_mount+0x514/0x5e4 [ 71.749346][ T5098] invoke_syscall+0x98/0x2b8 [ 71.750646][ T5098] el0_svc_common+0x138/0x258 [ 71.752025][ T5098] do_el0_svc+0x58/0x14c [ 71.753195][ T5098] el0_svc+0x78/0x1e0 [ 71.754319][ T5098] el0t_64_sync_handler+0xcc/0xe4 [ 71.755702][ T5098] el0t_64_sync+0x1a0/0x1a4 [ 72.077619][ T5120] loop0: detected capacity change from 0 to 32768 [ 72.081618][ T5120] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5120) [ 72.087466][ T5120] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 72.090148][ T5120] BTRFS info (device loop0): force clearing of disk cache [ 72.092175][ T5120] BTRFS info (device loop0): setting nodatasum [ 72.093971][ T5120] BTRFS info (device loop0): allowing degraded mounts [ 72.095915][ T5120] BTRFS info (device loop0): enabling disk space caching [ 72.098505][ T5120] BTRFS info (device loop0): disk space caching is enabled [ 72.100561][ T5120] BTRFS info (device loop0): has skinny extents [ 72.117133][ T5120] BTRFS info (device loop0): enabling ssd optimizations [ 72.119897][ T5120] BTRFS info (device loop0): clearing free space tree [ 72.121904][ T5120] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 72.124754][ T5120] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 72.130565][ T5120] BTRFS info (device loop0): checking UUID tree [ 72.135069][ T5120] FAULT_INJECTION: forcing a failure. [ 72.135069][ T5120] name failslab, interval 1, probability 0, space 0, times 0 [ 72.138711][ T5120] CPU: 0 PID: 5120 Comm: syz-executor.0 Tainted: G W 5.15.185-syzkaller #0 [ 72.141459][ T5120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 72.144188][ T5120] Call trace: [ 72.145099][ T5120] dump_backtrace+0x0/0x43c [ 72.146329][ T5120] show_stack+0x2c/0x3c [ 72.147491][ T5120] __dump_stack+0x30/0x40 [ 72.148723][ T5120] dump_stack_lvl+0xf8/0x160 [ 72.150010][ T5120] dump_stack+0x1c/0x5c [ 72.151158][ T5120] should_fail+0x3c0/0x51c [ 72.152313][ T5120] __should_failslab+0xbc/0x10c [ 72.153622][ T5120] should_failslab+0x10/0x28 [ 72.154897][ T5120] slab_pre_alloc_hook+0x64/0xec [ 72.156270][ T5120] kmem_cache_alloc+0x94/0x3e4 [ 72.157583][ T5120] btrfs_alloc_path+0x5c/0x68 [ 72.158921][ T5120] __btrfs_run_delayed_items+0x88/0x480 [ 72.160441][ T5120] btrfs_run_delayed_items+0x24/0x34 [ 72.161938][ T5120] btrfs_commit_transaction+0x7b8/0x3044 [ 72.163434][ T5120] btrfs_sync_fs+0x628/0xb2c [ 72.164702][ T5120] sync_filesystem+0x1a0/0x218 [ 72.166067][ T5120] btrfs_remount+0x19c/0x12b8 [ 72.167349][ T5120] legacy_reconfigure+0xf8/0x110 [ 72.168640][ T5120] reconfigure_super+0x1d4/0x6f4 [ 72.170008][ T5120] path_mount+0xc80/0x1000 [ 72.171227][ T5120] __arm64_sys_mount+0x514/0x5e4 [ 72.172611][ T5120] invoke_syscall+0x98/0x2b8 [ 72.173899][ T5120] el0_svc_common+0x138/0x258 [ 72.175139][ T5120] do_el0_svc+0x58/0x14c