[ 35.363483][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.752110][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.792932][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.833552][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.052215][ T136] device hsr_slave_0 left promiscuous mode [ 39.108346][ T136] device hsr_slave_1 left promiscuous mode [ 39.208457][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 39.209811][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 39.212362][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 39.213497][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 39.214930][ T136] device bridge_slave_1 left promiscuous mode [ 39.216225][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.279645][ T136] device bridge_slave_0 left promiscuous mode [ 39.280829][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.428328][ T136] device veth1_macvtap left promiscuous mode [ 39.429537][ T136] device veth0_macvtap left promiscuous mode [ 39.430545][ T136] device veth1_vlan left promiscuous mode [ 39.431599][ T136] device veth0_vlan left promiscuous mode [ 39.545028][ T136] team0 (unregistering): Port device team_slave_1 removed [ 39.550615][ T136] team0 (unregistering): Port device team_slave_0 removed [ 39.555050][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 39.592298][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 39.693679][ T136] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.10.22' (ED25519) to the list of known hosts. 1970/01/01 00:00:39 ignoring optional flag "type"="gce" 1970/01/01 00:00:40 parsed 1 programs [ 40.281391][ T4247] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:40 executed programs: 0 [ 40.354947][ T4254] chnl_net:caif_netlink_parms(): no params data found [ 40.374349][ T4254] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.375643][ T4254] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.377265][ T4254] device bridge_slave_0 entered promiscuous mode [ 40.380012][ T4254] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.381262][ T4254] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.382850][ T4254] device bridge_slave_1 entered promiscuous mode [ 40.392783][ T4254] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.395443][ T4254] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.405020][ T4254] team0: Port device team_slave_0 added [ 40.406962][ T4254] team0: Port device team_slave_1 added [ 40.414169][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.415340][ T4254] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 40.420214][ T4254] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.422671][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.423679][ T4254] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 40.427711][ T4254] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.489172][ T4254] device hsr_slave_0 entered promiscuous mode [ 40.548208][ T4254] device hsr_slave_1 entered promiscuous mode [ 41.131662][ T4254] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.150476][ T4254] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.179470][ T4254] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.209675][ T4254] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.304957][ T4254] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.310102][ T1687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.312055][ T1687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.327947][ T4254] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.331834][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.333379][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.335098][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.336357][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.337883][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.343942][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.345586][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.347210][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.348461][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.350625][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.360958][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.362911][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.364833][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.366542][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.370281][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.371773][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.373432][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.375027][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.376624][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.380019][ T4254] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.383779][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.423627][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.425036][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.428883][ T4254] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.435222][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.436964][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.445235][ T4254] device veth0_vlan entered promiscuous mode [ 41.450400][ T4254] device veth1_vlan entered promiscuous mode [ 41.451928][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.453671][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.455663][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.457253][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.458928][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.466971][ T4254] device veth0_macvtap entered promiscuous mode [ 41.471970][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.473427][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.475118][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.476684][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.479628][ T4254] device veth1_macvtap entered promiscuous mode [ 41.484754][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.485926][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 41.487433][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.490936][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.494555][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.496711][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.498350][ T790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.500915][ T4254] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.502373][ T4254] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.503779][ T4254] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.505128][ T4254] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.644986][ T4368] loop0: detected capacity change from 0 to 32768 [ 41.655540][ T4368] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4368) [ 41.670522][ T4368] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 41.672344][ T4368] BTRFS info (device loop0): turning on sync discard [ 41.679292][ T4368] BTRFS info (device loop0): using free space tree [ 41.680440][ T4368] BTRFS info (device loop0): has skinny extents [ 41.754685][ T4368] BTRFS info (device loop0): enabling ssd optimizations [ 41.782917][ T4368] [ 41.783368][ T4368] ====================================================== [ 41.784620][ T4368] WARNING: possible circular locking dependency detected [ 41.785752][ T4368] syzkaller #0 Not tainted [ 41.786487][ T4368] ------------------------------------------------------ [ 41.787956][ T4368] syz-executor.0/4368 is trying to acquire lock: [ 41.789148][ T4368] ffff0000e2d30fe0 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x50/0x84 [ 41.790838][ T4368] [ 41.790838][ T4368] but task is already holding lock: [ 41.792059][ T4368] ffff0000daec04e0 (&fs_devs->device_list_mutex){+.+.}-{3:3}, at: btrfs_free_stale_devices+0x140/0x950 [ 41.794031][ T4368] [ 41.794031][ T4368] which lock already depends on the new lock. [ 41.794031][ T4368] [ 41.795787][ T4368] [ 41.795787][ T4368] the existing dependency chain (in reverse order) is: [ 41.797290][ T4368] [ 41.797290][ T4368] -> #3 (&fs_devs->device_list_mutex){+.+.}-{3:3}: [ 41.798823][ T4368] __mutex_lock_common+0x1a4/0x1ea4 [ 41.799792][ T4368] mutex_lock_nested+0xac/0x11c [ 41.800737][ T4368] write_all_supers+0x10e8/0x3718 [ 41.801706][ T4368] btrfs_sync_log+0x1734/0x1e7c [ 41.802622][ T4368] btrfs_sync_file+0xa2c/0xf2c [ 41.803542][ T4368] __arm64_sys_fdatasync+0xac/0x104 [ 41.804592][ T4368] invoke_syscall+0x98/0x28c [ 41.805526][ T4368] el0_svc_common+0x13c/0x258 [ 41.806433][ T4368] do_el0_svc+0x5c/0x140 [ 41.807277][ T4368] el0_svc+0x78/0x1d0 [ 41.808052][ T4368] el0t_64_sync_handler+0xcc/0xe4 [ 41.808991][ T4368] el0t_64_sync+0x1a0/0x1a4 [ 41.809988][ T4368] [ 41.809988][ T4368] -> #2 (&fs_info->tree_log_mutex){+.+.}-{3:3}: [ 41.811542][ T4368] __mutex_lock_common+0x1a4/0x1ea4 [ 41.812617][ T4368] mutex_lock_nested+0xac/0x11c [ 41.813546][ T4368] btrfs_sync_log+0x1698/0x1e7c [ 41.814483][ T4368] btrfs_sync_file+0xa2c/0xf2c [ 41.815399][ T4368] __arm64_sys_fdatasync+0xac/0x104 [ 41.816376][ T4368] invoke_syscall+0x98/0x28c [ 41.817239][ T4368] el0_svc_common+0x13c/0x258 [ 41.818068][ T4368] do_el0_svc+0x5c/0x140 [ 41.818867][ T4368] el0_svc+0x78/0x1d0 [ 41.819665][ T4368] el0t_64_sync_handler+0xcc/0xe4 [ 41.820549][ T4368] el0t_64_sync+0x1a0/0x1a4 [ 41.821354][ T4368] [ 41.821354][ T4368] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 41.822624][ T4368] lock_release+0x2ec/0x8ec [ 41.823459][ T4368] up_write+0x98/0x644 [ 41.824260][ T4368] btrfs_inode_unlock+0x40/0x7c [ 41.825174][ T4368] btrfs_sync_file+0x964/0xf2c [ 41.826066][ T4368] __arm64_sys_fdatasync+0xac/0x104 [ 41.827276][ T4368] invoke_syscall+0x98/0x28c [ 41.828307][ T4368] el0_svc_common+0x13c/0x258 [ 41.829340][ T4368] do_el0_svc+0x5c/0x140 [ 41.830228][ T4368] el0_svc+0x78/0x1d0 [ 41.831060][ T4368] el0t_64_sync_handler+0xcc/0xe4 [ 41.832192][ T4368] el0t_64_sync+0x1a0/0x1a4 [ 41.833222][ T4368] [ 41.833222][ T4368] -> #0 (&type->i_mutex_dir_key#8){++++}-{3:3}: [ 41.834953][ T4368] __lock_acquire+0x28b0/0x65d4 [ 41.836079][ T4368] lock_acquire+0x1f4/0x618 [ 41.837050][ T4368] down_read+0xc0/0x38c [ 41.837882][ T4368] lookup_slow+0x50/0x84 [ 41.838763][ T4368] walk_component+0x2b8/0x3b8 [ 41.839653][ T4368] link_path_walk+0x5a0/0xbd4 [ 41.840533][ T4368] path_lookupat+0xb4/0x3f0 [ 41.841388][ T4368] filename_lookup+0x1c8/0x478 [ 41.842375][ T4368] kern_path+0x4c/0x190 [ 41.843302][ T4368] lookup_bdev+0xc0/0x24c [ 41.844136][ T4368] btrfs_free_stale_devices+0x614/0x950 [ 41.845363][ T4368] btrfs_forget_devices+0x5c/0x98 [ 41.846392][ T4368] btrfs_control_ioctl+0x130/0x24c [ 41.847306][ T4368] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.848341][ T4368] invoke_syscall+0x98/0x28c [ 41.849282][ T4368] el0_svc_common+0x13c/0x258 [ 41.850218][ T4368] do_el0_svc+0x5c/0x140 [ 41.851035][ T4368] el0_svc+0x78/0x1d0 [ 41.851744][ T4368] el0t_64_sync_handler+0xcc/0xe4 [ 41.852674][ T4368] el0t_64_sync+0x1a0/0x1a4 [ 41.853525][ T4368] [ 41.853525][ T4368] other info that might help us debug this: [ 41.853525][ T4368] [ 41.855154][ T4368] Chain exists of: [ 41.855154][ T4368] &type->i_mutex_dir_key#8 --> &fs_info->tree_log_mutex --> &fs_devs->device_list_mutex [ 41.855154][ T4368] [ 41.857753][ T4368] Possible unsafe locking scenario: [ 41.857753][ T4368] [ 41.858924][ T4368] CPU0 CPU1 [ 41.859799][ T4368] ---- ---- [ 41.860900][ T4368] lock(&fs_devs->device_list_mutex); [ 41.861874][ T4368] lock(&fs_info->tree_log_mutex); [ 41.863199][ T4368] lock(&fs_devs->device_list_mutex); [ 41.864508][ T4368] lock(&type->i_mutex_dir_key#8); [ 41.865574][ T4368] [ 41.865574][ T4368] *** DEADLOCK *** [ 41.865574][ T4368] [ 41.866975][ T4368] 2 locks held by syz-executor.0/4368: [ 41.867907][ T4368] #0: ffff800014a4bc08 (uuid_mutex){+.+.}-{3:3}, at: btrfs_forget_devices+0x28/0x98 [ 41.869513][ T4368] #1: ffff0000daec04e0 (&fs_devs->device_list_mutex){+.+.}-{3:3}, at: btrfs_free_stale_devices+0x140/0x950 [ 41.871413][ T4368] [ 41.871413][ T4368] stack backtrace: [ 41.872378][ T4368] CPU: 0 PID: 4368 Comm: syz-executor.0 Not tainted syzkaller #0 [ 41.873631][ T4368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 41.875269][ T4368] Call trace: [ 41.875836][ T4368] dump_backtrace+0x0/0x458 [ 41.876598][ T4368] show_stack+0x2c/0x3c [ 41.877376][ T4368] __dump_stack+0x30/0x40 [ 41.878075][ T4368] dump_stack_lvl+0xf4/0x15c [ 41.878970][ T4368] dump_stack+0x1c/0x5c [ 41.879650][ T4368] print_circular_bug+0x148/0x1b0 [ 41.880497][ T4368] check_noncircular+0x264/0x2f8 [ 41.881346][ T4368] __lock_acquire+0x28b0/0x65d4 [ 41.882149][ T4368] lock_acquire+0x1f4/0x618 [ 41.882981][ T4368] down_read+0xc0/0x38c [ 41.883691][ T4368] lookup_slow+0x50/0x84 [ 41.884392][ T4368] walk_component+0x2b8/0x3b8 [ 41.885198][ T4368] link_path_walk+0x5a0/0xbd4 [ 41.885979][ T4368] path_lookupat+0xb4/0x3f0 [ 41.886657][ T4368] filename_lookup+0x1c8/0x478 [ 41.887434][ T4368] kern_path+0x4c/0x190 [ 41.888104][ T4368] lookup_bdev+0xc0/0x24c [ 41.888841][ T4368] btrfs_free_stale_devices+0x614/0x950 [ 41.889689][ T4368] btrfs_forget_devices+0x5c/0x98 [ 41.890599][ T4368] btrfs_control_ioctl+0x130/0x24c [ 41.891497][ T4368] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.892384][ T4368] invoke_syscall+0x98/0x28c [ 41.893193][ T4368] el0_svc_common+0x13c/0x258 [ 41.893970][ T4368] do_el0_svc+0x5c/0x140 [ 41.894740][ T4368] el0_svc+0x78/0x1d0 [ 41.895428][ T4368] el0t_64_sync_handler+0xcc/0xe4 [ 41.896256][ T4368] el0t_64_sync+0x1a0/0x1a4 [ 42.074823][ T4465] loop0: detected capacity change from 0 to 32768 [ 42.121046][ T4465] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4465) [ 42.126417][ T4465] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 42.131180][ T4465] BTRFS info (device loop0): turning on sync discard [ 42.132323][ T4465] BTRFS info (device loop0): using free space tree [ 42.133340][ T4465] BTRFS info (device loop0): has skinny extents [ 42.198918][ T4465] BTRFS info (device loop0): enabling ssd optimizations [ 42.338331][ T3341] Bluetooth: hci0: command 0x0409 tx timeout [ 42.342038][ T4515] loop0: detected capacity change from 0 to 32768 [ 42.401914][ T4515] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4515) [ 42.405672][ T4515] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 42.409434][ T4515] BTRFS info (device loop0): turning on sync discard [ 42.410592][ T4515] BTRFS info (device loop0): using free space tree [ 42.411822][ T4515] BTRFS info (device loop0): has skinny extents [ 42.423823][ T4515] BTRFS info (device loop0): enabling ssd optimizations [ 42.588845][ T4589] loop0: detected capacity change from 0 to 32768 [ 42.594078][ T4589] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4589) [ 42.598958][ T4589] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 42.600914][ T4589] BTRFS info (device loop0): turning on sync discard [ 42.602078][ T4589] BTRFS info (device loop0): using free space tree [ 42.603279][ T4589] BTRFS info (device loop0): has skinny extents [ 42.611136][ T4589] BTRFS info (device loop0): enabling ssd optimizations [ 42.705074][ T4611] loop0: detected capacity change from 0 to 32768 [ 42.753446][ T4611] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4611) [ 42.756496][ T4611] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 42.758577][ T4611] BTRFS info (device loop0): turning on sync discard [ 42.759630][ T4611] BTRFS info (device loop0): using free space tree [ 42.760724][ T4611] BTRFS info (device loop0): has skinny extents [ 42.766805][ T4611] BTRFS info (device loop0): enabling ssd optimizations [ 42.866850][ T4632] loop0: detected capacity change from 0 to 32768 [ 42.871349][ T4632] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4632) [ 42.875698][ T4632] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 42.877571][ T4632] BTRFS info (device loop0): turning on sync discard [ 42.879853][ T4632] BTRFS info (device loop0): using free space tree [ 42.880979][ T4632] BTRFS info (device loop0): has skinny extents [ 42.892231][ T4632] BTRFS info (device loop0): enabling ssd optimizations [ 42.986764][ T4653] loop0: detected capacity change from 0 to 32768 [ 42.988822][ T4653] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4653) [ 42.993798][ T4653] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 42.995453][ T4653] BTRFS info (device loop0): turning on sync discard [ 42.996582][ T4653] BTRFS info (device loop0): using free space tree [ 42.997728][ T4653] BTRFS info (device loop0): has skinny extents [ 43.005942][ T4653] BTRFS info (device loop0): enabling ssd optimizations [ 43.104425][ T4674] loop0: detected capacity change from 0 to 32768 [ 43.139136][ T4674] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4674) [ 43.200031][ T4674] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 43.201579][ T4674] BTRFS info (device loop0): turning on sync discard [ 43.202607][ T4674] BTRFS info (device loop0): using free space tree [ 43.203650][ T4674] BTRFS info (device loop0): has skinny extents [ 43.216137][ T4674] BTRFS info (device loop0): enabling ssd optimizations [ 43.310528][ T4695] loop0: detected capacity change from 0 to 32768 [ 43.360955][ T4695] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4695) [ 43.365150][ T4695] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 43.366794][ T4695] BTRFS info (device loop0): turning on sync discard [ 43.367950][ T4695] BTRFS info (device loop0): using free space tree [ 43.369568][ T4695] BTRFS info (device loop0): has skinny extents [ 43.375221][ T4695] BTRFS info (device loop0): enabling ssd optimizations [ 43.469276][ T4716] loop0: detected capacity change from 0 to 32768 [ 43.498830][ T4716] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4716) [ 43.501743][ T4716] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 43.503438][ T4716] BTRFS info (device loop0): turning on sync discard [ 43.504591][ T4716] BTRFS info (device loop0): using free space tree [ 43.505653][ T4716] BTRFS info (device loop0): has skinny extents [ 43.520979][ T4716] BTRFS info (device loop0): enabling ssd optimizations [ 43.728309][ T4737] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4737) [ 43.770857][ T4737] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 43.772641][ T4737] BTRFS info (device loop0): turning on sync discard [ 43.773764][ T4737] BTRFS info (device loop0): using free space tree [ 43.774746][ T4737] BTRFS info (device loop0): has skinny extents [ 43.781553][ T4737] BTRFS info (device loop0): enabling ssd optimizations [ 43.988265][ T4758] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4758) [ 44.029695][ T4758] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 44.031569][ T4758] BTRFS info (device loop0): turning on sync discard [ 44.032720][ T4758] BTRFS info (device loop0): using free space tree [ 44.033887][ T4758] BTRFS info (device loop0): has skinny extents [ 44.041912][ T4758] BTRFS info (device loop0): enabling ssd optimizations [ 44.144169][ T4779] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4779) [ 44.148260][ T4779] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 44.150215][ T4779] BTRFS info (device loop0): turning on sync discard [ 44.151392][ T4779] BTRFS info (device loop0): using free space tree [ 44.152615][ T4779] BTRFS info (device loop0): has skinny extents [ 44.161587][ T4779] BTRFS info (device loop0): enabling ssd optimizations [ 44.289093][ T4800] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4800) [ 44.292461][ T4800] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 44.294353][ T4800] BTRFS info (device loop0): turning on sync discard [ 44.295559][ T4800] BTRFS info (device loop0): using free space tree [ 44.296501][ T4800] BTRFS info (device loop0): has skinny extents [ 44.303224][ T4800] BTRFS info (device loop0): enabling ssd optimizations [ 44.402584][ T4821] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4821) [ 44.407365][ T4821] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 44.409296][ T4821] BTRFS info (device loop0): turning on sync discard [ 44.410496][ T4821] BTRFS info (device loop0): using free space tree [ 44.411709][ T4821] BTRFS info (device loop0): has skinny extents [ 44.417365][ T4821] BTRFS info (device loop0): enabling ssd optimizations [ 44.418319][ T3341] Bluetooth: hci0: command 0x041b tx timeout [ 44.522519][ T4842] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4842) [ 44.526800][ T4842] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 44.528533][ T4842] BTRFS info (device loop0): turning on sync discard [ 44.529600][ T4842] BTRFS info (device loop0): using free space tree [ 44.530642][ T4842] BTRFS info (device loop0): has skinny extents [ 44.536257][ T4842] BTRFS info (device loop0): enabling ssd optimizations [ 44.688290][ T4863] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4863) [ 44.750036][ T4863] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 44.751916][ T4863] BTRFS info (device loop0): turning on sync discard [ 44.753196][ T4863] BTRFS info (device loop0): using free space tree [ 44.754385][ T4863] BTRFS info (device loop0): has skinny extents [ 44.761051][ T4863] BTRFS info (device loop0): enabling ssd optimizations [ 44.889392][ T4884] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4884) [ 44.892537][ T4884] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 44.894327][ T4884] BTRFS info (device loop0): turning on sync discard [ 44.895524][ T4884] BTRFS info (device loop0): using free space tree [ 44.896673][ T4884] BTRFS info (device loop0): has skinny extents [ 44.903625][ T4884] BTRFS info (device loop0): enabling ssd optimizations [ 45.003114][ T4905] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4905) [ 45.006409][ T4905] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 45.008197][ T4905] BTRFS info (device loop0): turning on sync discard [ 45.009572][ T4905] BTRFS info (device loop0): using free space tree [ 45.010768][ T4905] BTRFS info (device loop0): has skinny extents [ 45.019377][ T4905] BTRFS info (device loop0): enabling ssd optimizations [ 45.188275][ T4926] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4926) [ 45.229805][ T4926] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 45.231396][ T4926] BTRFS info (device loop0): turning on sync discard [ 45.232465][ T4926] BTRFS info (device loop0): using free space tree [ 45.233520][ T4926] BTRFS info (device loop0): has skinny extents [ 45.239828][ T4926] BTRFS info (device loop0): enabling ssd optimizations [ 45.388091][ T4947] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4947) 1970/01/01 00:00:45 executed programs: 21 [ 45.498021][ T4968] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4968) [ 45.625444][ T4111] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by udevd (4111) [ 45.740578][ T5010] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5010) [ 45.846310][ T5031] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5031) [ 45.871468][ T4111] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 10 /dev/loop0 scanned by udevd (4111) [ 46.249173][ T5073] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5073) [ 46.389483][ T5094] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5094) [ 46.488292][ T4445] Bluetooth: hci0: command 0x040f tx timeout [ 46.558595][ T5115] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5115) [ 46.699542][ T5136] set_capacity_and_notify: 19 callbacks suppressed [ 46.699551][ T5136] loop0: detected capacity change from 0 to 32768 [ 46.758764][ T5136] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5136) [ 46.799699][ T5136] btrfs_printk: 45 callbacks suppressed [ 46.799708][ T5136] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 46.802557][ T5136] BTRFS info (device loop0): turning on sync discard [ 46.803821][ T5136] BTRFS info (device loop0): using free space tree [ 46.804946][ T5136] BTRFS info (device loop0): has skinny extents [ 46.812391][ T5136] BTRFS info (device loop0): enabling ssd optimizations [ 46.916055][ T5157] loop0: detected capacity change from 0 to 32768 [ 46.923567][ T5157] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5157) [ 46.933248][ T5157] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 46.934854][ T5157] BTRFS info (device loop0): turning on sync discard [ 46.935909][ T5157] BTRFS info (device loop0): using free space tree [ 46.936912][ T5157] BTRFS info (device loop0): has skinny extents [ 46.944818][ T5157] BTRFS info (device loop0): enabling ssd optimizations [ 47.049980][ T5178] loop0: detected capacity change from 0 to 32768 [ 47.051887][ T5178] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5178) [ 47.060324][ T5178] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.062058][ T5178] BTRFS info (device loop0): turning on sync discard [ 47.063206][ T5178] BTRFS info (device loop0): using free space tree [ 47.064304][ T5178] BTRFS info (device loop0): has skinny extents [ 47.073543][ T5178] BTRFS info (device loop0): enabling ssd optimizations [ 47.167529][ T5199] loop0: detected capacity change from 0 to 32768 [ 47.240078][ T5199] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5199) [ 47.243355][ T5199] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.245439][ T5199] BTRFS info (device loop0): turning on sync discard [ 47.246472][ T5199] BTRFS info (device loop0): using free space tree [ 47.247564][ T5199] BTRFS info (device loop0): has skinny extents [ 47.253369][ T5199] BTRFS info (device loop0): enabling ssd optimizations [ 47.345582][ T5220] loop0: detected capacity change from 0 to 32768 [ 47.448594][ T5220] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5220) [ 47.478870][ T5220] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.480884][ T5220] BTRFS info (device loop0): turning on sync discard [ 47.482096][ T5220] BTRFS info (device loop0): using free space tree [ 47.483202][ T5220] BTRFS info (device loop0): has skinny extents [ 47.490771][ T5220] BTRFS info (device loop0): enabling ssd optimizations [ 47.600816][ T5241] loop0: detected capacity change from 0 to 32768 [ 47.606359][ T5241] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5241) [ 47.611261][ T5241] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.613080][ T5241] BTRFS info (device loop0): turning on sync discard [ 47.614396][ T5241] BTRFS info (device loop0): using free space tree [ 47.615629][ T5241] BTRFS info (device loop0): has skinny extents [ 47.626182][ T5241] BTRFS info (device loop0): enabling ssd optimizations [ 47.720074][ T5262] loop0: detected capacity change from 0 to 32768 [ 47.798618][ T5262] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5262) [ 47.801553][ T5262] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.808414][ T5262] BTRFS info (device loop0): turning on sync discard [ 47.809675][ T5262] BTRFS info (device loop0): using free space tree [ 47.810829][ T5262] BTRFS info (device loop0): has skinny extents [ 47.817376][ T5262] BTRFS info (device loop0): enabling ssd optimizations [ 47.918758][ T5283] loop0: detected capacity change from 0 to 32768 [ 47.922289][ T5283] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5283) [ 47.925313][ T5283] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 47.927048][ T5283] BTRFS info (device loop0): turning on sync discard [ 47.929832][ T5283] BTRFS info (device loop0): using free space tree [ 47.931045][ T5283] BTRFS info (device loop0): has skinny extents [ 47.936797][ T5283] BTRFS info (device loop0): enabling ssd optimizations [ 48.031993][ T5304] loop0: detected capacity change from 0 to 32768 [ 48.119716][ T5304] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5304) [ 48.124589][ T5304] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.126102][ T5304] BTRFS info (device loop0): turning on sync discard [ 48.127166][ T5304] BTRFS info (device loop0): using free space tree [ 48.128478][ T5304] BTRFS info (device loop0): has skinny extents [ 48.134508][ T5304] BTRFS info (device loop0): enabling ssd optimizations [ 48.231154][ T5325] loop0: detected capacity change from 0 to 32768 [ 48.260306][ T5325] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5325) [ 48.264104][ T5325] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.265917][ T5325] BTRFS info (device loop0): turning on sync discard [ 48.267204][ T5325] BTRFS info (device loop0): using free space tree [ 48.268637][ T5325] BTRFS info (device loop0): has skinny extents [ 48.277757][ T5325] BTRFS info (device loop0): enabling ssd optimizations [ 48.380292][ T5346] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5346) [ 48.384443][ T5346] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.386073][ T5346] BTRFS info (device loop0): turning on sync discard [ 48.387246][ T5346] BTRFS info (device loop0): using free space tree [ 48.389431][ T5346] BTRFS info (device loop0): has skinny extents [ 48.395227][ T5346] BTRFS info (device loop0): enabling ssd optimizations [ 48.496107][ T5367] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5367) [ 48.500585][ T5367] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.502038][ T5367] BTRFS info (device loop0): turning on sync discard [ 48.503080][ T5367] BTRFS info (device loop0): using free space tree [ 48.504124][ T5367] BTRFS info (device loop0): has skinny extents [ 48.514382][ T5367] BTRFS info (device loop0): enabling ssd optimizations [ 48.568263][ T3341] Bluetooth: hci0: command 0x0419 tx timeout [ 48.618716][ T5388] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5388) [ 48.623009][ T5388] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.624756][ T5388] BTRFS info (device loop0): turning on sync discard [ 48.625880][ T5388] BTRFS info (device loop0): using free space tree [ 48.627223][ T5388] BTRFS info (device loop0): has skinny extents [ 48.637756][ T5388] BTRFS info (device loop0): enabling ssd optimizations [ 48.735557][ T5409] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5409) [ 48.740049][ T5409] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.741716][ T5409] BTRFS info (device loop0): turning on sync discard [ 48.742853][ T5409] BTRFS info (device loop0): using free space tree [ 48.743898][ T5409] BTRFS info (device loop0): has skinny extents [ 48.749956][ T5409] BTRFS info (device loop0): enabling ssd optimizations [ 48.869349][ T5430] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5430) [ 48.872385][ T5430] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.873982][ T5430] BTRFS info (device loop0): turning on sync discard [ 48.875065][ T5430] BTRFS info (device loop0): using free space tree [ 48.876180][ T5430] BTRFS info (device loop0): has skinny extents [ 48.882368][ T5430] BTRFS info (device loop0): enabling ssd optimizations [ 48.978285][ T5451] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5451) [ 48.981077][ T5451] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 48.982692][ T5451] BTRFS info (device loop0): turning on sync discard [ 48.983746][ T5451] BTRFS info (device loop0): using free space tree [ 48.984823][ T5451] BTRFS info (device loop0): has skinny extents [ 48.997955][ T5451] BTRFS info (device loop0): enabling ssd optimizations [ 49.168742][ T5472] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5472) [ 49.210489][ T5472] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.212154][ T5472] BTRFS info (device loop0): turning on sync discard [ 49.213217][ T5472] BTRFS info (device loop0): using free space tree [ 49.214417][ T5472] BTRFS info (device loop0): has skinny extents [ 49.222707][ T5472] BTRFS info (device loop0): enabling ssd optimizations [ 49.359010][ T5493] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5493) [ 49.363035][ T5493] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.364654][ T5493] BTRFS info (device loop0): turning on sync discard [ 49.365826][ T5493] BTRFS info (device loop0): using free space tree [ 49.366823][ T5493] BTRFS info (device loop0): has skinny extents [ 49.377231][ T5493] BTRFS info (device loop0): enabling ssd optimizations [ 49.568643][ T5514] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5514) [ 49.634826][ T5514] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.636706][ T5514] BTRFS info (device loop0): turning on sync discard [ 49.639200][ T5514] BTRFS info (device loop0): using free space tree [ 49.640281][ T5514] BTRFS info (device loop0): has skinny extents [ 49.646683][ T5514] BTRFS info (device loop0): enabling ssd optimizations [ 49.790433][ T5535] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5535) [ 49.794822][ T5535] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 49.796621][ T5535] BTRFS info (device loop0): turning on sync discard [ 49.797606][ T5535] BTRFS info (device loop0): using free space tree [ 49.798914][ T5535] BTRFS info (device loop0): has skinny extents [ 49.804882][ T5535] BTRFS info (device loop0): enabling ssd optimizations [ 49.903781][ T5556] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5556) [ 50.009134][ T5577] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5577) [ 50.170176][ T5598] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5598) [ 50.309553][ T5619] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5619) [ 50.458869][ T5640] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5640) 1970/01/01 00:00:50 executed programs: 54 [ 50.563665][ T5661] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5661) [ 50.708954][ T5682] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5682) [ 50.848876][ T5703] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5703) [ 50.999610][ T5724] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5724) [ 51.120390][ T5745] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5745) [ 51.233804][ T5766] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5766) [ 51.408717][ T5787] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5787) [ 51.542828][ T5808] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5808) [ 51.646152][ T5829] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5829) [ 51.756347][ T5850] set_capacity_and_notify: 24 callbacks suppressed [ 51.756355][ T5850] loop0: detected capacity change from 0 to 32768 [ 51.763370][ T5850] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (5850)