assertion failed: 0, in fs/btrfs/relocation.c:2011
------------[ cut here ]------------
kernel BUG at fs/btrfs/relocation.c:2011!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 14528 Comm: syz-executor.0 Not tainted 6.5.0-rc5-syzkaller-00053-g13b937206866 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:merge_reloc_roots+0x98b/0x9a0 fs/btrfs/relocation.c:2011
Code: cb cc 1a 07 0f 0b e8 24 34 ec fd 48 c7 c7 e0 79 4b 8b 48 c7 c6 40 85 4b 8b 48 c7 c2 60 7a 4b 8b b9 db 07 00 00 e8 a5 cc 1a 07 <0f> 0b e8 be 0c 1d 07 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41
RSP: 0018:ffffc90016a3f760 EFLAGS: 00010246
RAX: 0000000000000032 RBX: ffff888037bda030 RCX: 159f6c222eaec400
RDX: ffffc9000b652000 RSI: 000000000003c752 RDI: 000000000003c753
RBP: ffffc90016a3f870 R08: ffffffff816f0d2c R09: 1ffff92002d47ea0
R10: dffffc0000000000 R11: fffff52002d47ea1 R12: ffff888038d12558
R13: ffff888038d12000 R14: ffff888037bda000 R15: dffffc0000000000
FS:  00007fd522b9a6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2885924000 CR3: 0000000022644000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 relocate_block_group+0xa68/0xcd0 fs/btrfs/relocation.c:3751
 btrfs_relocate_block_group+0x7ab/0xd70 fs/btrfs/relocation.c:4087
 btrfs_relocate_chunk+0x12c/0x3b0 fs/btrfs/volumes.c:3283
 __btrfs_balance+0x1b06/0x2690 fs/btrfs/volumes.c:4018
 btrfs_balance+0xbd8/0x10d0 fs/btrfs/volumes.c:4395
 btrfs_ioctl_balance+0x496/0x7c0 fs/btrfs/ioctl.c:3604
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xf8/0x170 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: 0033:0x7fd521e7cae9
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:00007fd522b9a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fd521f9bf80 RCX: 00007fd521e7cae9
RDX: 00000000200003c0 RSI: 00000000c4009420 RDI: 0000000000000004
RBP: 00007fd521ec847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fd521f9bf80 R15: 00007ffe236dc6a8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:merge_reloc_roots+0x98b/0x9a0 fs/btrfs/relocation.c:2011
Code: cb cc 1a 07 0f 0b e8 24 34 ec fd 48 c7 c7 e0 79 4b 8b 48 c7 c6 40 85 4b 8b 48 c7 c2 60 7a 4b 8b b9 db 07 00 00 e8 a5 cc 1a 07 <0f> 0b e8 be 0c 1d 07 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41
RSP: 0018:ffffc90016a3f760 EFLAGS: 00010246
RAX: 0000000000000032 RBX: ffff888037bda030 RCX: 159f6c222eaec400
RDX: ffffc9000b652000 RSI: 000000000003c752 RDI: 000000000003c753
RBP: ffffc90016a3f870 R08: ffffffff816f0d2c R09: 1ffff92002d47ea0
R10: dffffc0000000000 R11: fffff52002d47ea1 R12: ffff888038d12558
R13: ffff888038d12000 R14: ffff888037bda000 R15: dffffc0000000000
FS:  00007fd522b9a6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2eb2d000 CR3: 0000000022644000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400