Warning: Permanently added '10.128.0.171' (ED25519) to the list of known hosts. Setting up swapspace version 1, size = 127995904 bytes [ 271.645453][ T3989] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 271.797353][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 271.799493][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 271.806802][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 271.815446][ T1871] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 271.817672][ T1871] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 271.824429][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 271.826639][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 271.829002][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 271.838864][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 271.858295][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 271.860529][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 271.862041][ T1871] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 271.864406][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 271.865347][ T1871] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 271.866773][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 271.869371][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 271.874011][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 271.876578][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 271.887331][ T1871] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 271.899856][ T1871] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 271.907414][ T1528] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program [ 271.940121][ T1871] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 271.942406][ T1871] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 271.946559][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 271.948816][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 271.951586][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 271.958849][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 271.961011][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 271.965930][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 271.986013][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program executing program executing program [ 272.455085][ T4007] loop2: detected capacity change from 0 to 32768 [ 272.478152][ T4007] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz-executor288 (4007) [ 272.487985][ T4007] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 272.492895][ T4007] BTRFS info (device loop2): enabling auto defrag [ 272.500610][ T4007] BTRFS info (device loop2): doing ref verification [ 272.509547][ T4007] BTRFS info (device loop2): max_inline at 0 [ 272.517061][ T4007] BTRFS info (device loop2): force clearing of disk cache [ 272.526549][ T4007] BTRFS info (device loop2): turning on sync discard [ 272.532806][ T4007] BTRFS info (device loop2): disabling free space tree [ 272.534688][ T4007] BTRFS info (device loop2): has skinny extents [ 272.560678][ T4004] loop4: detected capacity change from 0 to 32768 [ 272.587243][ T4008] loop1: detected capacity change from 0 to 32768 [ 272.594387][ T4005] loop3: detected capacity change from 0 to 32768 [ 272.601303][ T4006] loop0: detected capacity change from 0 to 32768 [ 272.625984][ T4008] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor288 (4008) [ 272.644793][ T4007] BTRFS info (device loop2): enabling ssd optimizations [ 272.649503][ T4007] BTRFS info (device loop2): clearing free space tree [ 272.651934][ T4007] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 272.655638][ T4007] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 272.664531][ T4004] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor288 (4004) [ 272.693719][ T4005] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor288 (4005) [ 272.742057][ T4006] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor288 (4006) executing program executing program executing program executing program executing program [ 273.301831][ T4031] loop1: detected capacity change from 0 to 32768 [ 273.335233][ T4031] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz-executor288 (4031) [ 273.375604][ T4031] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 273.378030][ T4031] BTRFS info (device loop1): enabling auto defrag [ 273.382848][ T4031] BTRFS info (device loop1): doing ref verification [ 273.390552][ T4031] BTRFS info (device loop1): max_inline at 0 [ 273.396906][ T4031] BTRFS info (device loop1): force clearing of disk cache [ 273.403685][ T4031] BTRFS info (device loop1): turning on sync discard [ 273.410289][ T4031] BTRFS info (device loop1): disabling free space tree [ 273.416834][ T4031] BTRFS info (device loop1): has skinny extents [ 273.471704][ T4035] loop4: detected capacity change from 0 to 32768 [ 273.514936][ T4035] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor288 (4035) [ 273.560319][ T4042] loop3: detected capacity change from 0 to 32768 [ 273.597061][ T4031] BTRFS info (device loop1): enabling ssd optimizations [ 273.597580][ T4043] loop0: detected capacity change from 0 to 32768 [ 273.601581][ T4031] BTRFS info (device loop1): clearing free space tree [ 273.605315][ T4031] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 273.608162][ T4042] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor288 (4042) [ 273.611312][ T4031] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 273.624091][ T4044] loop2: detected capacity change from 0 to 32768 [ 273.648429][ T4043] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor288 (4043) executing program [ 273.696651][ T4044] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor288 (4044) executing program executing program executing program executing program [ 274.287048][ T4065] loop3: detected capacity change from 0 to 32768 [ 274.308488][ T4065] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz-executor288 (4065) [ 274.322045][ T4065] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm [ 274.332466][ T4065] BTRFS info (device loop3): enabling auto defrag [ 274.338081][ T4065] BTRFS info (device loop3): doing ref verification [ 274.339871][ T4065] BTRFS info (device loop3): max_inline at 0 [ 274.341509][ T4065] BTRFS info (device loop3): force clearing of disk cache [ 274.356513][ T4065] BTRFS info (device loop3): turning on sync discard [ 274.358360][ T4065] BTRFS info (device loop3): disabling free space tree [ 274.360173][ T4065] BTRFS info (device loop3): has skinny extents [ 274.399122][ T4067] loop4: detected capacity change from 0 to 32768 [ 274.425802][ T4067] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor288 (4067) [ 274.445380][ T4069] loop2: detected capacity change from 0 to 32768 [ 274.447778][ T4068] loop1: detected capacity change from 0 to 32768 [ 274.449193][ T4070] loop0: detected capacity change from 0 to 32768 [ 274.455674][ T4070] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor288 (4070) [ 274.504936][ T4069] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor288 (4069) [ 274.533866][ T4068] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor288 (4068) executing program [ 274.605963][ T4065] BTRFS info (device loop3): enabling ssd optimizations [ 274.609103][ T4065] BTRFS info (device loop3): clearing free space tree [ 274.611195][ T4065] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 274.633127][ T4065] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) executing program [ 274.793750][ T4089] loop4: detected capacity change from 0 to 32768 executing program [ 274.835923][ T4089] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz-executor288 (4089) executing program executing program [ 274.895566][ T4089] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm [ 274.898103][ T4089] BTRFS info (device loop4): enabling auto defrag [ 274.902367][ T4089] BTRFS info (device loop4): doing ref verification [ 274.910246][ T4089] BTRFS info (device loop4): max_inline at 0 [ 274.915408][ T4089] BTRFS info (device loop4): force clearing of disk cache [ 274.923124][ T4089] BTRFS info (device loop4): turning on sync discard [ 274.930726][ T4089] BTRFS info (device loop4): disabling free space tree [ 274.938423][ T4089] BTRFS info (device loop4): has skinny extents [ 275.096712][ T4096] loop2: detected capacity change from 0 to 32768 [ 275.124622][ T4096] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor288 (4096) [ 275.152815][ T4089] BTRFS info (device loop4): enabling ssd optimizations [ 275.155831][ T4089] BTRFS info (device loop4): clearing free space tree [ 275.157861][ T4089] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 275.166331][ T4089] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) executing program executing program [ 275.505714][ T4098] loop1: detected capacity change from 0 to 32768 [ 275.518832][ T4098] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz-executor288 (4098) [ 275.561176][ T4092] loop0: detected capacity change from 0 to 32768 [ 275.577244][ T4098] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 275.579527][ T4098] BTRFS info (device loop1): enabling auto defrag [ 275.581222][ T4098] BTRFS info (device loop1): doing ref verification [ 275.586904][ T4098] BTRFS info (device loop1): max_inline at 0 [ 275.590917][ T4098] BTRFS info (device loop1): force clearing of disk cache [ 275.594429][ T4097] loop3: detected capacity change from 0 to 32768 [ 275.596327][ T4098] BTRFS info (device loop1): turning on sync discard [ 275.599397][ T4098] BTRFS info (device loop1): disabling free space tree [ 275.604678][ T4098] BTRFS info (device loop1): has skinny extents [ 275.607483][ T4092] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor288 (4092) [ 275.645638][ T4097] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor288 (4097) executing program [ 275.766054][ T4098] BTRFS info (device loop1): enabling ssd optimizations [ 275.768966][ T4098] BTRFS info (device loop1): clearing free space tree [ 275.770715][ T4098] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 275.782679][ T4098] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 275.824856][ T4120] loop2: detected capacity change from 0 to 32768 [ 275.856082][ T4071] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4071) executing program [ 275.894774][ T4120] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor288 (4120) [ 275.907445][ T4002] BTRFS info (device loop1): at unmount dio bytes count 12288 executing program [ 275.988618][ T4002] ------------[ cut here ]------------ [ 275.990110][ T4002] WARNING: CPU: 1 PID: 4002 at fs/btrfs/block-group.c:142 btrfs_put_block_group+0x248/0x288 [ 275.992703][ T4002] Modules linked in: [ 275.993795][ T4002] CPU: 1 PID: 4002 Comm: syz-executor288 Not tainted 5.15.158-syzkaller #0 [ 275.996119][ T4002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 275.998922][ T4002] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 276.000955][ T4002] pc : btrfs_put_block_group+0x248/0x288 [ 276.002503][ T4002] lr : btrfs_put_block_group+0x248/0x288 [ 276.004123][ T4002] sp : ffff80001c707750 [ 276.005259][ T4002] x29: ffff80001c707750 x28: dfff800000000000 x27: ffff800014ff8740 [ 276.007409][ T4002] x26: 0000000000000002 x25: 0000000000000001 x24: ffff0000d5ecf000 [ 276.009547][ T4002] x23: 0000000000000000 x22: 1fffe0001abd9e2c x21: dfff800000000000 [ 276.011692][ T4002] x20: 0000000000003000 x19: ffff0000d5ecf000 x18: 0000000000000000 [ 276.013876][ T4002] x17: 0000000000000000 x16: ffff80000824daf4 x15: 0000000000000003 [ 276.015987][ T4002] x14: 00000000ffff8000 x13: 00000000f4123627 x12: 0000000000000001 [ 276.018144][ T4002] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000c9ee0000 [ 276.020330][ T4002] x8 : ffff80000a219ba0 x7 : 0000000000000000 x6 : 000000000000003f [ 276.022545][ T4002] x5 : 0000000000000040 x4 : 0000000000000000 x3 : ffff80000a219984 [ 276.024714][ T4002] x2 : 0000000000000001 x1 : 0000000000003000 x0 : 0000000000000000 [ 276.026859][ T4002] Call trace: [ 276.027736][ T4002] btrfs_put_block_group+0x248/0x288 [ 276.029192][ T4002] btrfs_free_block_groups+0x730/0xb54 [ 276.030675][ T4002] close_ctree+0x61c/0x860 [ 276.031858][ T4002] btrfs_put_super+0x40/0x50 [ 276.033133][ T4002] generic_shutdown_super+0x130/0x29c [ 276.034600][ T4002] kill_anon_super+0x4c/0x74 [ 276.035813][ T4002] btrfs_kill_super+0x40/0x58 [ 276.037110][ T4002] deactivate_locked_super+0xb8/0x13c [ 276.038492][ T4002] deactivate_super+0x108/0x128 [ 276.039871][ T4002] cleanup_mnt+0x3c0/0x474 [ 276.041086][ T4002] __cleanup_mnt+0x20/0x30 [ 276.042233][ T4002] task_work_run+0x130/0x1e4 [ 276.043548][ T4002] do_notify_resume+0x262c/0x32b8 [ 276.044909][ T4002] el0_svc+0xfc/0x1f0 [ 276.045965][ T4002] el0t_64_sync_handler+0x84/0xe4 [ 276.047121][ T4002] el0t_64_sync+0x1a0/0x1a4 [ 276.048035][ T4002] irq event stamp: 111268 [ 276.049152][ T4002] hardirqs last enabled at (111267): [] kasan_quarantine_put+0xdc/0x204 [ 276.051825][ T4002] hardirqs last disabled at (111268): [] el1_dbg+0x24/0x80 [ 276.054150][ T4002] softirqs last enabled at (109936): [] __do_softirq+0xb5c/0xdb0 [ 276.056608][ T4002] softirqs last disabled at (109691): [] __irq_exit_rcu+0x264/0x4d4 [ 276.059257][ T4002] ---[ end trace a048327834427034 ]--- [ 276.182802][ T4121] loop4: detected capacity change from 0 to 32768 [ 276.182993][ T4002] ------------[ cut here ]------------ [ 276.186050][ T4002] WARNING: CPU: 0 PID: 4002 at fs/btrfs/block-group.c:3978 btrfs_free_block_groups+0x850/0xb54 [ 276.188748][ T4002] Modules linked in: [ 276.189834][ T4002] CPU: 0 PID: 4002 Comm: syz-executor288 Tainted: G W 5.15.158-syzkaller #0 [ 276.192421][ T4002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 276.195071][ T4002] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 276.197050][ T4002] pc : btrfs_free_block_groups+0x850/0xb54 [ 276.198596][ T4002] lr : btrfs_free_block_groups+0xa8c/0xb54 [ 276.200135][ T4002] sp : ffff80001c707780 [ 276.201233][ T4002] x29: ffff80001c7077a0 x28: dfff800000000000 x27: ffff800014ff8740 [ 276.203355][ T4002] x26: 1fffe0001a185220 x25: 0000000000000001 x24: 0000000000028000 [ 276.205432][ T4002] x23: ffff0000d5ece000 x22: ffff0000d5ece0a8 x21: ffff0000d0c299d0 [ 276.207546][ T4002] x20: ffff0000d0c29100 x19: ffff0000d0c28000 x18: 1fffe0001abd9c0a [ 276.209617][ T4002] x17: 0000000000000000 x16: ffff80000824daf4 x15: 0000000000000003 [ 276.211868][ T4002] x14: 1ffff0000292806a x13: dfff800000000000 x12: 0000000000000001 [ 276.214017][ T4002] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000c9ee0000 [ 276.216208][ T4002] x8 : ffff80000a22e2f8 x7 : ffff80000a2144cc x6 : 0000000000000000 [ 276.217771][ T4118] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4118) [ 276.218379][ T4002] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008304a34 [ 276.218402][ T4002] x2 : 0000000000000001 x1 : 0000000000028000 x0 : 0000000000000000 [ 276.225383][ T4002] Call trace: [ 276.226213][ T4002] btrfs_free_block_groups+0x850/0xb54 [ 276.227596][ T4002] close_ctree+0x61c/0x860 [ 276.228769][ T4002] btrfs_put_super+0x40/0x50 [ 276.230018][ T4002] generic_shutdown_super+0x130/0x29c [ 276.231365][ T4002] kill_anon_super+0x4c/0x74 [ 276.232589][ T4002] btrfs_kill_super+0x40/0x58 [ 276.233832][ T4002] deactivate_locked_super+0xb8/0x13c [ 276.235310][ T4002] deactivate_super+0x108/0x128 [ 276.236596][ T4002] cleanup_mnt+0x3c0/0x474 [ 276.237799][ T4002] __cleanup_mnt+0x20/0x30 [ 276.239017][ T4002] task_work_run+0x130/0x1e4 [ 276.240230][ T4002] do_notify_resume+0x262c/0x32b8 [ 276.241579][ T4002] el0_svc+0xfc/0x1f0 [ 276.242639][ T4002] el0t_64_sync_handler+0x84/0xe4 [ 276.243951][ T4002] el0t_64_sync+0x1a0/0x1a4 [ 276.245091][ T4002] irq event stamp: 111556 [ 276.246222][ T4002] hardirqs last enabled at (111555): [] kasan_quarantine_put+0xdc/0x204 [ 276.248785][ T4002] hardirqs last disabled at (111556): [] el1_dbg+0x24/0x80 [ 276.251072][ T4002] softirqs last enabled at (111528): [] __do_softirq+0xb5c/0xdb0 [ 276.253563][ T4002] softirqs last disabled at (111271): [] __irq_exit_rcu+0x264/0x4d4 [ 276.256131][ T4002] ---[ end trace a048327834427035 ]--- [ 276.277100][ T4121] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor288 (4121) [ 276.303502][ T4131] loop3: detected capacity change from 0 to 32768 [ 276.324924][ T4002] BTRFS info (device loop1): space_info 5 has 3047424 free, is not full [ 276.327435][ T4002] BTRFS info (device loop1): space_info total=3276800, used=53248, pinned=0, reserved=12288, may_use=163840, readonly=0 zone_unusable=0 [ 276.331175][ T4002] BTRFS info (device loop1): global_block_rsv: size 0 reserved 0 [ 276.333526][ T4002] BTRFS info (device loop1): trans_block_rsv: size 0 reserved 0 [ 276.335627][ T4002] BTRFS info (device loop1): chunk_block_rsv: size 0 reserved 0 [ 276.337680][ T4002] BTRFS info (device loop1): delayed_block_rsv: size 0 reserved 0 [ 276.339732][ T4002] BTRFS info (device loop1): delayed_refs_rsv: size 0 reserved 0 [ 276.348226][ T4131] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor288 (4131) [ 276.353004][ T4002] ------------[ cut here ]------------ [ 276.354501][ T4002] WARNING: CPU: 0 PID: 4002 at fs/btrfs/block-group.c:3990 btrfs_free_block_groups+0xa5c/0xb54 [ 276.357253][ T4002] Modules linked in: [ 276.358285][ T4002] CPU: 0 PID: 4002 Comm: syz-executor288 Tainted: G W 5.15.158-syzkaller #0 [ 276.360851][ T4002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 276.363549][ T4002] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 276.365631][ T4002] pc : btrfs_free_block_groups+0xa5c/0xb54 [ 276.367124][ T4002] lr : btrfs_free_block_groups+0xa5c/0xb54 [ 276.368633][ T4002] sp : ffff80001c707780 [ 276.369722][ T4002] x29: ffff80001c7077a0 x28: dfff800000000000 x27: ffff800014ff8740 [ 276.371864][ T4002] x26: 1fffe0001a185220 x25: 0000000000000001 x24: 0000000000003000 [ 276.374014][ T4002] x23: ffff0000d5ece000 x22: ffff0000d5ece0a8 x21: ffff0000d0c299d0 [ 276.376361][ T4002] x20: ffff0000d0c29100 x19: dead000000000100 x18: 1fffe000368fd78e [ 276.378541][ T4002] x17: 1fffe000368fd78e x16: ffff8000082eb9fc x15: ffff8000149dec00 [ 276.380708][ T4002] x14: 1ffff0000292806a x13: dfff800000000000 x12: 0000000000000003 [ 276.382770][ T4002] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000c9ee0000 [ 276.384974][ T4002] x8 : ffff80000a22e2c8 x7 : 0000000000000000 x6 : 0000000000000000 [ 276.387118][ T4002] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000804685c [ 276.389277][ T4002] x2 : 0000000000000006 x1 : 0000000000003000 x0 : 0000000000000000 [ 276.391513][ T4002] Call trace: [ 276.392413][ T4002] btrfs_free_block_groups+0xa5c/0xb54 [ 276.393890][ T4002] close_ctree+0x61c/0x860 [ 276.395081][ T4002] btrfs_put_super+0x40/0x50 [ 276.396334][ T4002] generic_shutdown_super+0x130/0x29c [ 276.397733][ T4002] kill_anon_super+0x4c/0x74 [ 276.398996][ T4002] btrfs_kill_super+0x40/0x58 [ 276.400235][ T4002] deactivate_locked_super+0xb8/0x13c [ 276.401656][ T4002] deactivate_super+0x108/0x128 [ 276.403002][ T4002] cleanup_mnt+0x3c0/0x474 [ 276.404140][ T4002] __cleanup_mnt+0x20/0x30 [ 276.405291][ T4002] task_work_run+0x130/0x1e4 [ 276.406562][ T4002] do_notify_resume+0x262c/0x32b8 [ 276.407999][ T4002] el0_svc+0xfc/0x1f0 [ 276.409038][ T4002] el0t_64_sync_handler+0x84/0xe4 [ 276.410398][ T4002] el0t_64_sync+0x1a0/0x1a4 [ 276.411614][ T4002] irq event stamp: 111846 [ 276.412750][ T4002] hardirqs last enabled at (111845): [] finish_lock_switch+0xbc/0x1e8 [ 276.415422][ T4002] hardirqs last disabled at (111846): [] el1_dbg+0x24/0x80 [ 276.417809][ T4002] softirqs last enabled at (111800): [] __do_softirq+0xb5c/0xdb0 [ 276.420403][ T4002] softirqs last disabled at (111709): [] __irq_exit_rcu+0x264/0x4d4 [ 276.422959][ T4002] ---[ end trace a048327834427036 ]--- executing program [ 276.515102][ T4002] BTRFS info (device loop1): space_info 5 has 3047424 free, is not full [ 276.517460][ T4002] BTRFS info (device loop1): space_info total=3276800, used=53248, pinned=0, reserved=12288, may_use=163840, readonly=0 zone_unusable=0 [ 276.521277][ T4002] BTRFS info (device loop1): global_block_rsv: size 0 reserved 0 [ 276.523543][ T4002] BTRFS info (device loop1): trans_block_rsv: size 0 reserved 0 executing program [ 276.525565][ T4002] BTRFS info (device loop1): chunk_block_rsv: size 0 reserved 0 [ 276.527918][ T4002] BTRFS info (device loop1): delayed_block_rsv: size 0 reserved 0 [ 276.529951][ T4002] BTRFS info (device loop1): delayed_refs_rsv: size 0 reserved 0 [ 276.556005][ T4002] VFS: Busy inodes after unmount of loop1. Self-destruct in 5 seconds. Have a nice day... executing program executing program [ 276.740729][ T4142] loop0: detected capacity change from 0 to 32768 [ 276.765715][ T4142] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor288 (4142) [ 276.804256][ T4142] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 276.806575][ T4142] BTRFS info (device loop0): enabling auto defrag [ 276.808315][ T4142] BTRFS info (device loop0): doing ref verification [ 276.810088][ T4142] BTRFS info (device loop0): max_inline at 0 [ 276.811698][ T4142] BTRFS info (device loop0): force clearing of disk cache [ 276.835039][ T4142] BTRFS info (device loop0): turning on sync discard [ 276.836886][ T4142] BTRFS info (device loop0): disabling free space tree [ 276.838707][ T4142] BTRFS info (device loop0): has skinny extents [ 276.895830][ T4144] loop2: detected capacity change from 0 to 32768 [ 276.930390][ T4144] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor288 (4144) [ 277.049919][ T4147] loop3: detected capacity change from 0 to 32768 [ 277.082806][ T4142] BTRFS info (device loop0): enabling ssd optimizations [ 277.084929][ T4147] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor288 (4147) [ 277.086063][ T4145] loop4: detected capacity change from 0 to 32768 [ 277.090057][ T4142] BTRFS info (device loop0): clearing free space tree [ 277.091967][ T4142] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 277.095871][ T4142] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 277.143318][ T4145] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor288 (4145) [ 277.144160][ T4146] loop1: detected capacity change from 0 to 32768 executing program [ 277.196646][ T4146] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor288 (4146) executing program executing program executing program [ 277.344064][ T3992] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by udevd (3992) executing program [ 277.824454][ T4176] loop1: detected capacity change from 0 to 32768 executing program [ 277.928947][ T4170] loop2: detected capacity change from 0 to 32768 [ 277.959289][ T4174] loop3: detected capacity change from 0 to 32768 executing program executing program executing program executing program [ 278.424533][ T4179] loop1: detected capacity change from 0 to 32768 [ 278.617155][ T4183] loop3: detected capacity change from 0 to 32768 executing program executing program [ 278.680948][ T4182] loop2: detected capacity change from 0 to 32768 executing program executing program executing program [ 279.187041][ T4185] loop4: detected capacity change from 0 to 32768 [ 279.191728][ T4184] loop1: detected capacity change from 0 to 32768 [ 279.263313][ T4186] loop0: detected capacity change from 0 to 32768 executing program [ 279.354868][ T4186] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 279.357336][ T4186] BTRFS info (device loop0): enabling auto defrag [ 279.359267][ T4186] BTRFS info (device loop0): doing ref verification [ 279.363237][ T4186] BTRFS info (device loop0): max_inline at 0 [ 279.367348][ T4186] BTRFS info (device loop0): force clearing of disk cache [ 279.370621][ T4186] BTRFS info (device loop0): turning on sync discard [ 279.374856][ T4186] BTRFS info (device loop0): disabling free space tree [ 279.381368][ T4186] BTRFS info (device loop0): has skinny extents [ 279.415426][ T4187] loop3: detected capacity change from 0 to 32768 [ 279.431825][ T4187] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor288 (4187) executing program [ 279.500215][ T4118] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4118) executing program [ 279.559164][ T4188] loop2: detected capacity change from 0 to 32768 [ 279.567252][ T4186] BTRFS info (device loop0): enabling ssd optimizations [ 279.570892][ T4186] BTRFS info (device loop0): clearing free space tree [ 279.573504][ T4186] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 279.579783][ T4186] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 279.604706][ T4188] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor288 (4188) executing program [ 279.717344][ T4071] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by udevd (4071) executing program [ 280.029181][ T4200] loop3: detected capacity change from 0 to 32768 [ 280.049796][ T4189] loop1: detected capacity change from 0 to 32768 [ 280.065418][ T4200] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor288 (4200) [ 280.068871][ T4189] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 280.075957][ T4189] BTRFS info (device loop1): enabling auto defrag [ 280.081348][ T4189] BTRFS info (device loop1): doing ref verification [ 280.086801][ T4189] BTRFS info (device loop1): max_inline at 0 [ 280.093104][ T4189] BTRFS info (device loop1): force clearing of disk cache [ 280.099726][ T4189] BTRFS info (device loop1): turning on sync discard [ 280.106306][ T4189] BTRFS info (device loop1): disabling free space tree [ 280.115461][ T4189] BTRFS info (device loop1): has skinny extents [ 280.147543][ T4204] loop4: detected capacity change from 0 to 32768 executing program [ 280.179817][ T4189] BTRFS info (device loop1): enabling ssd optimizations [ 280.184800][ T4189] BTRFS info (device loop1): clearing free space tree [ 280.186692][ T4189] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 280.189243][ T4189] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 280.192901][ T4204] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor288 (4204) [ 280.492860][ T4222] loop3: detected capacity change from 0 to 32768 executing program [ 280.544621][ T4222] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz-executor288 (4222) executing program [ 280.574077][ T4212] loop0: detected capacity change from 0 to 32768 [ 280.596956][ T4222] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm [ 280.599510][ T4222] BTRFS info (device loop3): enabling auto defrag [ 280.601224][ T4222] BTRFS info (device loop3): doing ref verification [ 280.608077][ T4222] BTRFS info (device loop3): max_inline at 0 [ 280.613248][ T4222] BTRFS info (device loop3): force clearing of disk cache [ 280.615229][ T4212] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor288 (4212) [ 280.621936][ T4222] BTRFS info (device loop3): turning on sync discard [ 280.629830][ T4222] BTRFS info (device loop3): disabling free space tree [ 280.636364][ T4222] BTRFS info (device loop3): has skinny extents executing program [ 280.809411][ T4222] BTRFS info (device loop3): enabling ssd optimizations [ 280.812548][ T4222] BTRFS info (device loop3): clearing free space tree [ 280.814688][ T4222] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 280.827666][ T4222] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) executing program executing program [ 281.239342][ T4239] loop4: detected capacity change from 0 to 32768 [ 281.275277][ T4239] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz-executor288 (4239) [ 281.282568][ T4240] loop1: detected capacity change from 0 to 32768 [ 281.362873][ T4240] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor288 (4240) [ 281.366400][ T4239] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm [ 281.368691][ T4239] BTRFS info (device loop4): enabling auto defrag [ 281.370353][ T4239] BTRFS info (device loop4): doing ref verification [ 281.370831][ T4241] loop2: detected capacity change from 0 to 32768 [ 281.372212][ T4239] BTRFS info (device loop4): max_inline at 0 [ 281.382219][ T4239] BTRFS info (device loop4): force clearing of disk cache [ 281.387925][ T4239] BTRFS info (device loop4): turning on sync discard [ 281.395503][ T4239] BTRFS info (device loop4): disabling free space tree [ 281.400826][ T4239] BTRFS info (device loop4): has skinny extents [ 281.450992][ T4261] loop0: detected capacity change from 0 to 32768 [ 281.456457][ T4241] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor288 (4241) [ 281.518018][ T4264] loop3: detected capacity change from 0 to 32768 [ 281.520044][ T4239] BTRFS info (device loop4): enabling ssd optimizations [ 281.534484][ T4239] BTRFS info (device loop4): clearing free space tree [ 281.536507][ T4261] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor288 (4261) [ 281.543050][ T4239] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 281.545850][ T4239] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) executing program [ 281.574672][ T4264] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor288 (4264) executing program executing program executing program executing program [ 282.034281][ T4284] loop1: detected capacity change from 0 to 32768 [ 282.047577][ T4284] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz-executor288 (4284) [ 282.069788][ T4284] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 282.077929][ T4284] BTRFS info (device loop1): enabling auto defrag [ 282.082947][ T4284] BTRFS info (device loop1): doing ref verification [ 282.084742][ T4284] BTRFS info (device loop1): max_inline at 0 [ 282.086774][ T4284] BTRFS info (device loop1): force clearing of disk cache [ 282.095756][ T4284] BTRFS info (device loop1): turning on sync discard [ 282.108481][ T4284] BTRFS info (device loop1): disabling free space tree [ 282.120882][ T4284] BTRFS info (device loop1): has skinny extents [ 282.220712][ T4286] loop4: detected capacity change from 0 to 32768 [ 282.244675][ T4286] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor288 (4286) [ 282.311090][ T4284] BTRFS info (device loop1): enabling ssd optimizations [ 282.316624][ T4284] BTRFS info (device loop1): clearing free space tree [ 282.318497][ T4284] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 282.321172][ T4284] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 282.348368][ T4288] loop3: detected capacity change from 0 to 32768 [ 282.353413][ T4288] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor288 (4288) [ 282.361490][ T4285] loop0: detected capacity change from 0 to 32768 [ 282.365926][ T4285] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor288 (4285) executing program executing program executing program executing program [ 282.627934][ T4287] loop2: detected capacity change from 0 to 32768 [ 282.641462][ T3992] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by udevd (3992) [ 282.734773][ T4287] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 282.737374][ T4287] BTRFS info (device loop2): enabling auto defrag [ 282.739317][ T4287] BTRFS info (device loop2): doing ref verification [ 282.749191][ T4287] BTRFS info (device loop2): max_inline at 0 [ 282.755536][ T4287] BTRFS info (device loop2): force clearing of disk cache [ 282.762194][ T4287] BTRFS info (device loop2): turning on sync discard [ 282.770088][ T4287] BTRFS info (device loop2): disabling free space tree [ 282.777690][ T4287] BTRFS info (device loop2): has skinny extents [ 282.784025][ T4308] loop0: detected capacity change from 0 to 32768 [ 282.893504][ T4308] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor288 (4308) [ 282.989083][ T4287] BTRFS info (device loop2): enabling ssd optimizations [ 282.992172][ T4287] BTRFS info (device loop2): clearing free space tree [ 283.000208][ T4287] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) executing program [ 283.012793][ T4287] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) executing program executing program [ 283.293722][ T4310] loop1: detected capacity change from 0 to 32768 [ 283.322731][ T4310] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz-executor288 (4310) [ 283.337863][ T4311] loop4: detected capacity change from 0 to 32768 [ 283.342160][ T4310] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 283.344951][ T4310] BTRFS info (device loop1): enabling auto defrag [ 283.350174][ T4310] BTRFS info (device loop1): doing ref verification [ 283.351995][ T4310] BTRFS info (device loop1): max_inline at 0 [ 283.358734][ T4310] BTRFS info (device loop1): force clearing of disk cache [ 283.360602][ T4310] BTRFS info (device loop1): turning on sync discard [ 283.362387][ T4310] BTRFS info (device loop1): disabling free space tree [ 283.372740][ T4311] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor288 (4311) [ 283.376016][ T4310] BTRFS info (device loop1): has skinny extents executing program [ 283.506944][ T4310] BTRFS info (device loop1): enabling ssd optimizations [ 283.509792][ T4310] BTRFS info (device loop1): clearing free space tree [ 283.511644][ T4310] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 283.514814][ T4310] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 283.688334][ T4337] loop0: detected capacity change from 0 to 32768 executing program [ 283.703151][ T4119] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 11 /dev/loop1 scanned by udevd (4119) executing program [ 283.901678][ T4336] loop2: detected capacity change from 0 to 32768 executing program [ 284.200923][ T4353] loop4: detected capacity change from 0 to 32768 executing program [ 284.285582][ T4359] loop3: detected capacity change from 0 to 32768 [ 284.323610][ T4357] loop1: detected capacity change from 0 to 32768 executing program [ 284.444332][ T4357] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 284.446306][ T4360] loop0: detected capacity change from 0 to 32768 [ 284.446680][ T4357] BTRFS info (device loop1): enabling auto defrag [ 284.450003][ T4357] BTRFS info (device loop1): doing ref verification [ 284.451725][ T4357] BTRFS info (device loop1): max_inline at 0 [ 284.472723][ T4357] BTRFS info (device loop1): force clearing of disk cache [ 284.474621][ T4357] BTRFS info (device loop1): turning on sync discard [ 284.476425][ T4357] BTRFS info (device loop1): disabling free space tree [ 284.478287][ T4357] BTRFS info (device loop1): has skinny extents [ 284.485870][ T4360] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor288 (4360) executing program [ 284.648213][ T4361] loop2: detected capacity change from 0 to 32768 [ 284.663075][ T4357] BTRFS info (device loop1): enabling ssd optimizations [ 284.666220][ T4357] BTRFS info (device loop1): clearing free space tree [ 284.668063][ T4357] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 284.670581][ T4357] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 284.684861][ T4361] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor288 (4361) executing program executing program executing program [ 285.000242][ T4362] loop3: detected capacity change from 0 to 32768 [ 285.052384][ T4362] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz-executor288 (4362) [ 285.079649][ T4369] loop4: detected capacity change from 0 to 32768 [ 285.107651][ T4362] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm [ 285.110107][ T4362] BTRFS info (device loop3): enabling auto defrag [ 285.117537][ T4362] BTRFS info (device loop3): doing ref verification [ 285.119490][ T4362] BTRFS info (device loop3): max_inline at 0 [ 285.130154][ T4362] BTRFS info (device loop3): force clearing of disk cache [ 285.132281][ T4362] BTRFS info (device loop3): turning on sync discard [ 285.142149][ T4362] BTRFS info (device loop3): disabling free space tree [ 285.149036][ T4362] BTRFS info (device loop3): has skinny extents [ 285.157873][ T4369] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor288 (4369) [ 285.296517][ T4362] BTRFS info (device loop3): enabling ssd optimizations [ 285.299634][ T4362] BTRFS info (device loop3): clearing free space tree [ 285.301755][ T4362] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 285.312906][ T4362] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 285.348594][ T4384] loop1: detected capacity change from 0 to 32768 [ 285.384700][ T4384] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor288 (4384) [ 285.457257][ T4383] loop2: detected capacity change from 0 to 32768 [ 285.466252][ T4383] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor288 (4383) executing program [ 285.504802][ T4382] loop0: detected capacity change from 0 to 32768 executing program [ 285.526679][ T4382] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor288 (4382) [ 285.542305][ T4382] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 285.548666][ T4382] BTRFS info (device loop0): enabling auto defrag [ 285.554017][ T4382] BTRFS info (device loop0): doing ref verification [ 285.558302][ T4382] BTRFS info (device loop0): max_inline at 0 [ 285.562392][ T4382] BTRFS info (device loop0): force clearing of disk cache [ 285.567057][ T4382] BTRFS info (device loop0): turning on sync discard [ 285.571258][ T4382] BTRFS info (device loop0): disabling free space tree [ 285.577309][ T4382] BTRFS info (device loop0): has skinny extents executing program executing program [ 285.704607][ T4382] BTRFS info (device loop0): enabling ssd optimizations [ 285.707469][ T4382] BTRFS info (device loop0): clearing free space tree [ 285.709563][ T4382] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 285.714594][ T4382] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 285.948187][ T4404] loop2: detected capacity change from 0 to 32768 [ 285.975020][ T4404] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz-executor288 (4404)