BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
BTRFS info (device loop0): at unmount dio bytes count 16384
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WARNING: CPU: 0 PID: 5087 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: 5087 Comm: syz-executor Not tainted 6.10.0-rc6-syzkaller-00048-g73e931504f8e #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 0e 5f 28 fe bf 38 16 00 00 49 03 3e 4c 89 f6 e8 2e 8c 01 00 e9 c4 fe ff ff e8 04 f3 c5 fd 90 <0f> 0b 90 e9 88 fe ff ff e8 f6 f2 c5 fd e9 7e fe ff ff e8 ec f2 c5
RSP: 0018:ffffc9000347f928 EFLAGS: 00010293
RAX: ffffffff83d0335c RBX: 0000000000004000 RCX: ffff88802808da00
RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff83d031df R09: 1ffff11005164b49
R10: dffffc0000000000 R11: ffffed1005164b4a R12: dffffc0000000000
R13: 1ffff1100fbda32e R14: ffff88807ded1800 R15: ffff888028b24188
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe02611c01e CR3: 000000002f12e000 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:4434
 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
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa27/0x27e0 kernel/exit.c:874
 do_group_exit+0x207/0x2c0 kernel/exit.c:1023
 __do_sys_exit_group kernel/exit.c:1034 [inline]
 __se_sys_exit_group kernel/exit.c:1032 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1032
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb578575b99
Code: Unable to access opcode bytes at 0x7fb578575b6f.
RSP: 002b:00007ffd314804a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fb5785e36bc RCX: 00007fb578575b99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000016 R08: 00007ffd3147e246 R09: 00007ffd31481760
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd31481760
R13: 00007fb5785e364a R14: 0000555557fb84a8 R15: 00007ffd31485b20
 </TASK>