BTRFS info (device loop2): relocating block group 1048576 flags system
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 1 PID: 5875 at fs/btrfs/volumes.c:3285 btrfs_remove_chunk+0x1b24/0x1b30 fs/btrfs/volumes.c:3285
Modules linked in:
CPU: 1 PID: 5875 Comm: syz-executor164 Not tainted 6.9.0-rc3-syzkaller-00349-gfa4022cb7361 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:btrfs_remove_chunk+0x1b24/0x1b30 fs/btrfs/volumes.c:3285
Code: 0b 90 90 e9 15 fd ff ff 4c 89 f7 e8 36 16 51 fe e9 8d fd ff ff e8 5c f3 f5 fd 90 48 c7 c7 e0 66 57 8b 89 de e8 6d 61 b8 fd 90 <0f> 0b 90 90 e9 86 fd ff ff 0f 1f 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900049af810 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffffffffffffe4 RCX: ffffffff81503349
RDX: ffff888028b92440 RSI: ffffffff81503356 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000006 R12: 0000000000000000
R13: ffff88802baa3a50 R14: ffff88802fbd62b0 R15: ffff88802fbd62ac
FS:  00007f5943eb86c0(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5943e97d58 CR3: 000000001b0fa000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_relocate_chunk+0x2ba/0x450 fs/btrfs/volumes.c:3415
 __btrfs_balance fs/btrfs/volumes.c:4153 [inline]
 btrfs_balance+0x2102/0x3f00 fs/btrfs/volumes.c:4530
 btrfs_ioctl_balance fs/btrfs/ioctl.c:3675 [inline]
 btrfs_ioctl+0x12e3/0x5970 fs/btrfs/ioctl.c:4715
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:904 [inline]
 __se_sys_ioctl fs/ioctl.c:890 [inline]
 __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:890
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5943f01fc9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5943eb8218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5943f8e6c8 RCX: 00007f5943f01fc9
RDX: 0000000020000480 RSI: 00000000c4009420 RDI: 0000000000000004
RBP: 00007f5943f8e6c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5943f5b198
R13: f8a86047d2558a04 R14: 0030656c69662f2e R15: 0040000000000000
 </TASK>