assertion failed: fs_info->exclusive_operation == BTRFS_EXCLOP_BALANCE_PAUSED, in fs/btrfs/ioctl.c:454
------------[ cut here ]------------
kernel BUG at fs/btrfs/ctree.h:3716!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8529 Comm: syz-executor.2 Not tainted 6.1.39-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:assertfail+0x18/0x1a fs/btrfs/ctree.h:3716
Code: 0b e8 ff 23 07 f7 48 c7 c7 60 7f c7 91 e9 83 97 93 f9 89 f1 48 89 fe 48 c7 c7 00 5e 2e 8b 48 c7 c2 28 59 2e 8b e8 54 87 ff ff <0f> 0b 89 f1 48 89 fe 48 c7 c7 40 77 2e 8b 48 c7 c2 60 72 2e 8b e8
RSP: 0018:ffffc90004f67e48 EFLAGS: 00010246
RAX: 0000000000000066 RBX: 1ffff110045d141c RCX: bc56d692ee0b8100
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000002 R08: ffffffff816d99cc R09: fffff520009ecf81
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888022e8a0e0
R13: ffff888022e88000 R14: ffff888022e88688 R15: dffffc0000000000
FS:  00007fe5599066c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe21cbc9000 CR3: 000000006a905000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_exclop_balance+0x145/0x1e0 fs/btrfs/ioctl.c:454
 btrfs_ioctl_balance+0x482/0x7c0 fs/btrfs/ioctl.c:4453
 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+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe558c7c959
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007fe5599060c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe558d9c120 RCX: 00007fe558c7c959
RDX: 0000000020000540 RSI: 00000000c4009420 RDI: 0000000000000004
RBP: 00007fe558cd8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe558d9c120 R15: 00007ffc3d5ea0c8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:assertfail+0x18/0x1a fs/btrfs/ctree.h:3716
Code: 0b e8 ff 23 07 f7 48 c7 c7 60 7f c7 91 e9 83 97 93 f9 89 f1 48 89 fe 48 c7 c7 00 5e 2e 8b 48 c7 c2 28 59 2e 8b e8 54 87 ff ff <0f> 0b 89 f1 48 89 fe 48 c7 c7 40 77 2e 8b 48 c7 c2 60 72 2e 8b e8
RSP: 0018:ffffc90004f67e48 EFLAGS: 00010246
RAX: 0000000000000066 RBX: 1ffff110045d141c RCX: bc56d692ee0b8100
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000002 R08: ffffffff816d99cc R09: fffff520009ecf81
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888022e8a0e0
R13: ffff888022e88000 R14: ffff888022e88688 R15: dffffc0000000000
FS:  00007fe5599066c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe21cbc9000 CR3: 000000006a905000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400