assertion failed: root->reloc_root == reloc_root, in fs/btrfs/relocation.c:1919 ------------[ cut here ]------------ kernel BUG at fs/btrfs/relocation.c:1919! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7985 Comm: syz-executor.5 Not tainted 6.5.0-rc1-syzkaller-00248-gb6e6cc1f78c7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 RIP: 0010:prepare_to_merge+0xbb2/0xc40 fs/btrfs/relocation.c:1919 Code: fe e9 f5 f7 ff ff e8 6d 71 eb fd 48 c7 c7 60 72 4b 8b 48 c7 c6 00 82 4b 8b 48 c7 c2 e0 72 4b 8b b9 7f 07 00 00 e8 2e ae 19 07 <0f> 0b e8 87 ee 1b 07 f3 0f 1e fa e8 3e 71 eb fd 43 80 3c 2f 00 74 RSP: 0018:ffffc90016a0f760 EFLAGS: 00010246 RAX: 000000000000004f RBX: ffff88807f278030 RCX: b60839dbb8b30f00 RDX: ffffc900059d1000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90016a0f870 R08: ffffffff816f59dc R09: 1ffff92002d41ea0 R10: dffffc0000000000 R11: fffff52002d41ea1 R12: ffff88807f278000 R13: ffff88803de0a000 R14: ffff88803de0a560 R15: ffff88803de0a558 FS: 00007f205d6646c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9436b76bf8 CR3: 0000000076e07000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: relocate_block_group+0xa5d/0xcd0 fs/btrfs/relocation.c:3749 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+0xbdb/0x1120 fs/btrfs/volumes.c:4402 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: 0033:0x7f205c87cb29 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:00007f205d6640c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f205c99bf80 RCX: 00007f205c87cb29 RDX: 00000000200003c0 RSI: 00000000c4009420 RDI: 0000000000000005 RBP: 00007f205c8c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f205c99bf80 R15: 00007ffd07c54808 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:prepare_to_merge+0xbb2/0xc40 fs/btrfs/relocation.c:1919 Code: fe e9 f5 f7 ff ff e8 6d 71 eb fd 48 c7 c7 60 72 4b 8b 48 c7 c6 00 82 4b 8b 48 c7 c2 e0 72 4b 8b b9 7f 07 00 00 e8 2e ae 19 07 <0f> 0b e8 87 ee 1b 07 f3 0f 1e fa e8 3e 71 eb fd 43 80 3c 2f 00 74 RSP: 0018:ffffc90016a0f760 EFLAGS: 00010246 RAX: 000000000000004f RBX: ffff88807f278030 RCX: b60839dbb8b30f00 RDX: ffffc900059d1000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90016a0f870 R08: ffffffff816f59dc R09: 1ffff92002d41ea0 R10: dffffc0000000000 R11: fffff52002d41ea1 R12: ffff88807f278000 R13: ffff88803de0a000 R14: ffff88803de0a560 R15: ffff88803de0a558 FS: 00007f205d6646c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556e65938 CR3: 0000000076e07000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400