BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
BTRFS info (device loop3): at unmount dio bytes count 20480
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WARNING: CPU: 0 PID: 7874 at fs/btrfs/block-group.c:159 btrfs_put_block_group+0x2ed/0x340 fs/btrfs/block-group.c:159
Modules linked in:
CPU: 0 PID: 7874 Comm: syz-executor Not tainted 6.10.0-rc5-syzkaller-00035-gafcd48134c58 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:btrfs_put_block_group+0x2ed/0x340 fs/btrfs/block-group.c:159
Code: 42 80 3c 20 00 74 08 4c 89 f7 e8 1e 5a 28 fe bf 38 16 00 00 49 03 3e 4c 89 f6 e8 de 8b 01 00 e9 c4 fe ff ff e8 94 f5 c5 fd 90 <0f> 0b 90 e9 88 fe ff ff e8 86 f5 c5 fd e9 7e fe ff ff e8 7c f5 c5
RSP: 0018:ffffc9000352fac8 EFLAGS: 00010293
RAX: ffffffff83d030ec RBX: 0000000000005000 RCX: ffff8880688f3c00
RDX: 0000000000000000 RSI: 0000000000005000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff83d02f6f R09: 1ffff1100d00b349
R10: dffffc0000000000 R11: ffffed100d00b34a R12: dffffc0000000000
R13: 1ffff11005d04f2e R14: ffff88802e827800 R15: ffff888068058188
FS:  00005555630e5500(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdae198a000 CR3: 000000005b892000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_free_block_groups+0xb77/0x1070 fs/btrfs/block-group.c:4425
 close_ctree+0x741/0xd20 fs/btrfs/disk-io.c:4381
 generic_shutdown_super+0x136/0x2d0 fs/super.c:642
 kill_anon_super+0x3b/0x70 fs/super.c:1226
 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2096
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1267
 task_work_run+0x24f/0x310 kernel/task_work.c:180