BTRFS info (device loop4): relocating block group 1048576 flags system
BTRFS info (device loop4): 1 enospc errors during balance
BTRFS info (device loop4): balance: ended with status: -28
assertion failed: fs_info->exclusive_operation == BTRFS_EXCLOP_BALANCE_PAUSED, in fs/btrfs/ioctl.c:463
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kernel BUG at fs/btrfs/messages.c:259!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13788 Comm: syz-executor.4 Not tainted 6.3.0-rc6-syzkaller-00173-g7a934f4bd7d6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
RIP: 0010:btrfs_assertfail+0x18/0x20 fs/btrfs/messages.c:259
Code: df e8 2c 4c 43 f7 e9 50 fb ff ff e8 42 80 01 00 66 90 66 0f 1f 00 89 d1 48 89 f2 48 89 fe 48 c7 c7 80 ef 2b 8b e8 68 60 ff ff <0f> 0b 66 0f 1f 44 00 00 66 0f 1f 00 53 48 89 fb e8 a3 8b ed f6 48
RSP: 0018:ffffc90014f3fe48 EFLAGS: 00010246
RAX: 0000000000000066 RBX: ffff8880275360d0 RCX: 66492f553f87f100
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000002 R08: ffffffff816df7fc R09: fffff520029e7f81
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11004ea6c1a
R13: ffff888027534000 R14: ffff888027534680 R15: dffffc0000000000
FS:  00007f3d1dc33700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2d7dbfe000 CR3: 0000000034064000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_exclop_balance+0x166/0x1e0 fs/btrfs/ioctl.c:463
 btrfs_ioctl_balance+0x482/0x7c0 fs/btrfs/ioctl.c:3557
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3d1ce8c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007f3d1dc33168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3d1cfabf80 RCX: 00007f3d1ce8c169
RDX: 0000000020001480 RSI: 00000000c4009420 RDI: 0000000000000009
RBP: 00007f3d1cee7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe01f53cbf R14: 00007f3d1dc33300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:btrfs_assertfail+0x18/0x20 fs/btrfs/messages.c:259
Code: df e8 2c 4c 43 f7 e9 50 fb ff ff e8 42 80 01 00 66 90 66 0f 1f 00 89 d1 48 89 f2 48 89 fe 48 c7 c7 80 ef 2b 8b e8 68 60 ff ff <0f> 0b 66 0f 1f 44 00 00 66 0f 1f 00 53 48 89 fb e8 a3 8b ed f6 48
RSP: 0018:ffffc90014f3fe48 EFLAGS: 00010246
RAX: 0000000000000066 RBX: ffff8880275360d0 RCX: 66492f553f87f100
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000002 R08: ffffffff816df7fc R09: fffff520029e7f81
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11004ea6c1a
R13: ffff888027534000 R14: ffff888027534680 R15: dffffc0000000000
FS:  00007f3d1dc33700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2d7dbfe000 CR3: 0000000034064000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400