syzbot

BTRFS info (device loop0): has skinny extents
BTRFS info (device loop0): enabling ssd optimizations
BTRFS info (device loop0): balance: start -s
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WARNING: CPU: 0 PID: 3499 at fs/btrfs/block-group.c:2421 btrfs_create_pending_block_groups+0xe8b/0x1130 fs/btrfs/block-group.c:2421
Modules linked in:
CPU: 0 PID: 3499 Comm: syz-executor324 Not tainted 5.15.157-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:btrfs_create_pending_block_groups+0xe8b/0x1130 fs/btrfs/block-group.c:2421
Code: 3b d5 fc fd eb 26 e8 34 d5 fc fd 0f 1f 44 00 00 e8 2a d5 fc fd eb 48 e8 23 d5 fc fd 48 c7 c7 80 18 cc 8a 89 de e8 45 7d c8 fd <0f> 0b 48 8b 7c 24 10 48 c7 c6 00 19 cc 8a ba 75 09 00 00 89 d9 e8
RSP: 0018:ffffc90002bc7740 EFLAGS: 00010246
RAX: fb28ee52ab76ea00 RBX: 00000000ffffffe4 RCX: ffff88801bc73b80
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90002bc7978 R08: ffffffff8166862c R09: ffffed1017344f24
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807a664001
R13: dffffc0000000000 R14: ffff888075f721b0 R15: ffff888075f72050
FS:  0000555556ddb380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c84e737198 CR3: 000000001ac8f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __btrfs_end_transaction+0x296/0x780 fs/btrfs/transaction.c:1014
 btrfs_inc_block_group_ro+0x583/0x5f0 fs/btrfs/block-group.c:2644
 btrfs_relocate_block_group+0x3ec/0xcb0 fs/btrfs/relocation.c:4041
 btrfs_relocate_chunk+0xac/0x270 fs/btrfs/volumes.c:3289
 __btrfs_balance+0x185e/0x27c0 fs/btrfs/volumes.c:4029
 btrfs_balance+0xd40/0x14a0 fs/btrfs/volumes.c:4419
 btrfs_ioctl_balance+0x643/0x7d0 fs/btrfs/ioctl.c:4152
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd64070f8c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd935ab918 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffd935abae8 RCX: 00007fd64070f8c9
RDX: 0000000020000900 RSI: 00000000c4009420 RDI: 0000000000000003
RBP: 00007fd640787610 R08: 0000000000005598 R09: 00007ffd935abae8
R10: 00007ffd935ab7d0 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd935abad8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>