Warning: Permanently added '10.128.1.125' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 52.957420][ T4310] loop4: detected capacity change from 0 to 32768 [ 52.978952][ T4315] loop3: detected capacity change from 0 to 32768 [ 52.989380][ T4308] loop1: detected capacity change from 0 to 32768 [ 53.006520][ T4310] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop4 scanned by syz-executor330 (4310) [ 53.019335][ T4315] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4315) [ 53.034419][ T4308] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor330 (4308) [ 53.040570][ T4310] BTRFS info (device loop4): first mount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2 [ 53.047885][ T4312] loop0: detected capacity change from 0 to 32768 executing program [ 53.055653][ T4310] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 53.058226][ T4310] BTRFS info (device loop4): force zlib compression, level 3 [ 53.060273][ T4310] BTRFS info (device loop4): force clearing of disk cache [ 53.075428][ T4310] BTRFS info (device loop4): setting nodatasum [ 53.077163][ T4310] BTRFS info (device loop4): allowing degraded mounts [ 53.078942][ T4310] BTRFS info (device loop4): enabling disk space caching executing program [ 53.080791][ T4310] BTRFS info (device loop4): disk space caching is enabled [ 53.094951][ T4312] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor330 (4312) [ 53.150717][ T4317] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4317) [ 53.158761][ T4316] loop2: detected capacity change from 0 to 32768 executing program [ 53.186178][ T4316] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor330 (4316) [ 53.242902][ T4319] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 53.308580][ T4313] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4313) [ 53.383429][ T4310] BTRFS info (device loop4): rebuilding free space tree [ 53.463810][ T4310] BTRFS info (device loop4): disabling free space tree [ 53.465890][ T4310] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 53.468581][ T4310] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 53.481285][ T4320] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4320) executing program [ 53.582625][ T4310] BTRFS info (device loop4): balance: start -f -d -m -slimit=0 [ 53.586371][ T4310] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata [ 53.598460][ T4324] loop1: detected capacity change from 0 to 32768 [ 53.641317][ T4310] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata [ 53.642563][ T4324] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor330 (4324) [ 53.683796][ T521] BTRFS warning (device loop4): Skipping commit of aborted transaction. [ 53.686257][ T521] ------------[ cut here ]------------ [ 53.688151][ T521] WARNING: CPU: 0 PID: 521 at fs/btrfs/transaction.c:1996 cleanup_transaction+0x674/0x770 [ 53.690868][ T521] Modules linked in: [ 53.691960][ T521] CPU: 0 PID: 521 Comm: kworker/u4:4 Not tainted 6.1.140-syzkaller #0 [ 53.694293][ T521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 executing program [ 53.697146][ T521] Workqueue: events_unbound btrfs_async_reclaim_metadata_space [ 53.699342][ T521] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 53.701588][ T521] pc : cleanup_transaction+0x674/0x770 [ 53.703226][ T521] lr : cleanup_transaction+0x674/0x770 [ 53.704753][ T521] sp : ffff8000214f75e0 [ 53.705952][ T521] x29: ffff8000214f76c0 x28: dfff800000000000 x27: ffff70000429eec4 [ 53.708288][ T521] x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000e23386e0 [ 53.710571][ T521] x23: 00000000ffffffe4 x22: 1fffe0001c4670dc x21: ffff0000d0a79000 [ 53.712889][ T521] x20: ffff0000da500000 x19: ffff0000e2338690 x18: ffff800011a7bd00 [ 53.715254][ T521] x17: 0000000000000000 x16: ffff8000082d1c1c x15: 0000000000000000 [ 53.717523][ T521] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 53.719826][ T521] x11: ff008000081913ec x10: 0000000000000000 x9 : 93c8cfda332c3300 [ 53.722065][ T521] x8 : 93c8cfda332c3300 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.724387][ T521] x5 : ffff8000214f7078 x4 : ffff800015154740 x3 : ffff80000852df5c [ 53.726794][ T521] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 53.729020][ T521] Call trace: [ 53.729939][ T521] cleanup_transaction+0x674/0x770 [ 53.731416][ T521] btrfs_commit_transaction+0x20b8/0x29f0 [ 53.733037][ T521] flush_space+0x804/0xcdc [ 53.734311][ T521] btrfs_async_reclaim_metadata_space+0x25c/0x308 [ 53.736213][ T521] process_one_work+0x7f4/0x13a8 [ 53.737627][ T521] worker_thread+0x8c8/0xfbc [ 53.738997][ T521] kthread+0x250/0x2d8 [ 53.740177][ T521] ret_from_fork+0x10/0x20 [ 53.741522][ T521] irq event stamp: 83294 [ 53.742720][ T521] hardirqs last enabled at (83293): [] __up_console_sem+0xb4/0x100 [ 53.745494][ T521] hardirqs last disabled at (83294): [] el1_dbg+0x24/0x80 [ 53.747937][ T521] softirqs last enabled at (80560): [] neigh_managed_work+0x1d0/0x214 [ 53.750835][ T521] softirqs last disabled at (80556): [] neigh_managed_work+0x3c/0x214 [ 53.753573][ T521] ---[ end trace 0000000000000000 ]--- executing program [ 53.781261][ T521] BTRFS info (device loop4: state A): dumping space info: [ 53.783514][ T521] BTRFS info (device loop4: state A): space_info DATA+METADATA has 7274496 free, is full [ 53.786413][ T521] BTRFS info (device loop4: state A): space_info total=9895936, used=49152, pinned=12288, reserved=0, may_use=983040, readonly=1576960 zone_unusable=0 [ 53.790744][ T521] BTRFS info (device loop4: state A): space_info SYSTEM has 4186112 free, is not full [ 53.793712][ T521] BTRFS info (device loop4: state A): space_info total=4194304, used=4096, pinned=4096, reserved=0, may_use=0, readonly=0 zone_unusable=0 [ 53.798288][ T521] BTRFS info (device loop4: state A): global_block_rsv: size 983040 reserved 983040 [ 53.800951][ T521] BTRFS info (device loop4: state A): trans_block_rsv: size 0 reserved 0 [ 53.803677][ T521] BTRFS info (device loop4: state A): chunk_block_rsv: size 0 reserved 0 [ 53.806150][ T521] BTRFS info (device loop4: state A): delayed_block_rsv: size 0 reserved 0 [ 53.808775][ T521] BTRFS info (device loop4: state A): delayed_refs_rsv: size 0 reserved 0 [ 53.811107][ T521] BTRFS: error (device loop4: state A) in cleanup_transaction:1996: errno=-28 No space left [ 53.814810][ T521] BTRFS info (device loop4: state EA): forced readonly [ 53.817686][ T4310] BTRFS info (device loop4: state EA): balance: ended with status: -5 executing program [ 53.922884][ T4317] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4317) [ 54.027798][ T4322] loop3: detected capacity change from 0 to 32768 [ 54.059718][ T4322] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4322) executing program [ 54.171087][ T4317] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4317) [ 54.390235][ T4348] loop2: detected capacity change from 0 to 32768 [ 54.398157][ T4348] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor330 (4348) [ 54.421170][ T4351] loop1: detected capacity change from 0 to 32768 executing program [ 54.431730][ T4351] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor330 (4351) [ 54.466664][ T4358] loop3: detected capacity change from 0 to 32768 executing program [ 54.504176][ T4358] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4358) [ 54.556180][ T4353] loop0: detected capacity change from 0 to 32768 executing program [ 54.582130][ T4353] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor330 (4353) [ 54.604249][ T4318] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4318) executing program [ 54.726627][ T4320] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4320) [ 54.778023][ T4319] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4319) executing program [ 54.842160][ T4313] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4313) [ 55.027379][ T4360] loop2: detected capacity change from 0 to 32768 [ 55.045273][ T4360] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor330 (4360) executing program [ 55.192802][ T4320] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4320) [ 55.201960][ T4366] loop0: detected capacity change from 0 to 32768 [ 55.222113][ T4366] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor330 (4366) executing program [ 55.338038][ T4318] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4318) [ 55.401859][ T4362] loop1: detected capacity change from 0 to 32768 [ 55.410590][ T4362] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor330 (4362) [ 55.438149][ T4364] loop3: detected capacity change from 0 to 32768 [ 55.446017][ T4364] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4364) executing program executing program [ 55.540173][ T4318] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4318) [ 55.559463][ T4320] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4320) [ 55.838857][ T4372] loop2: detected capacity change from 0 to 32768 [ 55.847576][ T4378] loop3: detected capacity change from 0 to 32768 [ 55.849359][ T4372] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor330 (4372) executing program [ 55.889478][ T4378] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4378) executing program executing program [ 56.007367][ T4320] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4320) [ 56.036547][ T4317] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4317) [ 56.119469][ T4374] loop0: detected capacity change from 0 to 32768 [ 56.174125][ T4374] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor330 (4374) executing program [ 56.246968][ T4320] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4320) [ 56.301879][ T4376] loop1: detected capacity change from 0 to 32768 [ 56.322152][ T4376] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor330 (4376) executing program [ 56.385069][ T4320] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4320) [ 56.573273][ T4381] loop2: detected capacity change from 0 to 32768 [ 56.599356][ T4381] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor330 (4381) executing program [ 56.713535][ T4383] loop3: detected capacity change from 0 to 32768 executing program [ 56.725453][ T4320] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4320) [ 56.752336][ T4383] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4383) executing program [ 56.888075][ T4317] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4317) [ 56.959356][ T4387] loop0: detected capacity change from 0 to 32768 [ 56.971733][ T4387] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor330 (4387) executing program [ 57.049871][ T4318] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4318) [ 57.098351][ T4389] loop1: detected capacity change from 0 to 32768 [ 57.141110][ T4389] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor330 (4389) executing program [ 57.215410][ T4318] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4318) [ 57.398572][ T4391] loop2: detected capacity change from 0 to 32768 [ 57.433763][ T4391] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor330 (4391) executing program executing program [ 57.587154][ T4320] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4320) [ 57.597889][ T4396] loop3: detected capacity change from 0 to 32768 [ 57.641828][ T4396] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4396) [ 57.728851][ T4398] loop0: detected capacity change from 0 to 32768 executing program [ 57.758286][ T4398] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor330 (4398) [ 57.782278][ T4317] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4317) executing program [ 57.940800][ T4320] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4320) [ 58.047599][ T4400] loop1: detected capacity change from 0 to 32768 [ 58.081730][ T4400] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor330 (4400) executing program [ 58.194247][ T4318] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4318) [ 58.231036][ T4403] loop2: detected capacity change from 0 to 32768 [ 58.237581][ T4403] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor330 (4403) executing program executing program [ 58.380746][ T4320] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4320) [ 58.528942][ T4407] loop3: detected capacity change from 0 to 32768 [ 58.549496][ T4407] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4407) executing program [ 58.663336][ T4318] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4318) [ 58.684970][ T4410] loop0: detected capacity change from 0 to 32768 [ 58.703750][ T4410] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor330 (4410) [ 58.707753][ T4412] loop1: detected capacity change from 0 to 32768 [ 58.736937][ T4412] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor330 (4412) executing program executing program [ 58.873407][ T4320] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4320) [ 58.896803][ T4417] loop2: detected capacity change from 0 to 32768 [ 58.907389][ T4317] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4317) [ 58.943822][ T4417] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor330 (4417) executing program [ 59.107313][ T4318] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4318) executing program [ 59.328094][ T4419] loop3: detected capacity change from 0 to 32768 [ 59.361896][ T4419] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4419) executing program [ 59.443590][ T4423] loop1: detected capacity change from 0 to 32768 [ 59.456842][ T4423] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor330 (4423) [ 59.458817][ T4421] loop0: detected capacity change from 0 to 32768 [ 59.461907][ T4318] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4318) [ 59.478862][ T4421] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor330 (4421) executing program executing program [ 59.664828][ T4320] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4320) [ 59.673442][ T4317] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4317) [ 59.843641][ T4425] loop2: detected capacity change from 0 to 32768 [ 59.853275][ T4425] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor330 (4425) [ 59.864134][ T4430] loop3: detected capacity change from 0 to 32768 [ 59.875170][ T4430] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4430) executing program executing program [ 59.973284][ T4320] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4320) [ 59.978005][ T4318] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4318) [ 60.263843][ T4434] loop0: detected capacity change from 0 to 32768 [ 60.286396][ T4434] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor330 (4434) executing program executing program [ 60.387864][ T4320] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4320) [ 60.394879][ T4432] loop1: detected capacity change from 0 to 32768 [ 60.422384][ T4432] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor330 (4432) executing program [ 60.588211][ T4317] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4317) [ 60.598602][ T4436] loop2: detected capacity change from 0 to 32768 [ 60.607997][ T4436] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor330 (4436) [ 60.632486][ T4319] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 60.649841][ T4438] loop3: detected capacity change from 0 to 32768 [ 60.709374][ T4438] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4438) [ 60.776220][ T4317] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 executing program executing program [ 60.975282][ T4443] loop0: detected capacity change from 0 to 32768 [ 60.996358][ T4443] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor330 (4443) executing program [ 61.094297][ T4318] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4318) executing program [ 61.315114][ T4446] loop1: detected capacity change from 0 to 32768 [ 61.325466][ T4446] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor330 (4446) [ 61.346845][ T4448] loop2: detected capacity change from 0 to 32768 [ 61.360566][ T4318] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 61.369976][ T4448] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor330 (4448) executing program [ 61.487671][ T4320] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4320) executing program [ 61.639952][ T4450] loop3: detected capacity change from 0 to 32768 [ 61.661924][ T4450] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4450) executing program [ 61.693677][ T4452] loop0: detected capacity change from 0 to 32768 [ 61.701925][ T4452] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor330 (4452) executing program [ 61.855663][ T4318] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4318) [ 61.871510][ T4320] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4320) executing program [ 62.157612][ T4457] loop2: detected capacity change from 0 to 32768 [ 62.166909][ T4457] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor330 (4457) [ 62.185965][ T4459] loop1: detected capacity change from 0 to 32768 [ 62.194313][ T4459] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor330 (4459) executing program executing program [ 62.290848][ T4318] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4318) [ 62.318078][ T4320] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4320) [ 62.501467][ T4461] loop3: detected capacity change from 0 to 32768 [ 62.518635][ T4463] loop0: detected capacity change from 0 to 32768 [ 62.550343][ T4463] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor330 (4463) [ 62.558559][ T4461] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4461) executing program executing program [ 62.674024][ T4318] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4318) [ 62.683474][ T4320] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4320) [ 62.844263][ T4469] loop1: detected capacity change from 0 to 32768 [ 62.891960][ T4469] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor330 (4469) executing program [ 62.964914][ T4318] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4318) executing program [ 63.019005][ T4470] loop2: detected capacity change from 0 to 32768 [ 63.045844][ T4470] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor330 (4470) executing program [ 63.161070][ T4320] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4320) [ 63.333272][ T4474] loop0: detected capacity change from 0 to 32768 [ 63.342293][ T4473] loop3: detected capacity change from 0 to 32768 [ 63.390918][ T4473] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor330 (4473) [ 63.410847][ T4474] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor330 (4474) executing program executing program [ 63.575344][ T4320] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4320) [ 63.596235][ T4318] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4318)