------------[ cut here ]------------
kernel BUG at fs/btrfs/volumes.c:4645!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 4389 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:btrfs_cancel_balance+0x19c/0x1a0 fs/btrfs/volumes.c:4644
Code: 89 f7 e8 77 b7 f5 00 31 c0 65 48 8b 0c 25 28 00 00 00 48 3b 4c 24 28 75 0c 48 83 c4 30 5b 41 5c 41 5e 41 5f c3 e8 e4 dd f4 00 <0f> 0b 66 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 81 ec e8
RSP: 0000:ffffc90002463e88 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff88810833d468 RCX: 02d8f1a23930ee00
RDX: b469f594890e6dbe RSI: ffffffff830ac941 RDI: 00000000ffffffff
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88810833c000
R13: 0000000000000005 R14: ffff88810833d3c8 R15: ffffc90002463e88
FS:  00007f0b91bdd6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd20ba00000 CR3: 00000001097b3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_ioctl_balance_ctl+0x41/0x50 fs/btrfs/ioctl.c:3632
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0x6a/0xb0 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: 0033:0x7f0b99c7cae9
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:00007f0b91bdd0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0b99d9c050 RCX: 00007f0b99c7cae9
RDX: 0000000000000002 RSI: 0000000040049421 RDI: 0000000000000005
RBP: 00007f0b99cc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f0b99d9c050 R15: 00007ffd28c73768
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:btrfs_cancel_balance+0x19c/0x1a0 fs/btrfs/volumes.c:4644
Code: 89 f7 e8 77 b7 f5 00 31 c0 65 48 8b 0c 25 28 00 00 00 48 3b 4c 24 28 75 0c 48 83 c4 30 5b 41 5c 41 5e 41 5f c3 e8 e4 dd f4 00 <0f> 0b 66 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 81 ec e8
RSP: 0000:ffffc90002463e88 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff88810833d468 RCX: 02d8f1a23930ee00
RDX: b469f594890e6dbe RSI: ffffffff830ac941 RDI: 00000000ffffffff
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88810833c000
R13: 0000000000000005 R14: ffff88810833d3c8 R15: ffffc90002463e88
FS:  00007f0b91bdd6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd20ba00000 CR3: 00000001097b3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400