BTRFS info (device loop0): balance: start -d -m -s
BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5117 at fs/btrfs/extent-tree.c:871 lookup_inline_extent_backref+0x8e8/0x1470
Modules linked in:
CPU: 0 PID: 5117 Comm: syz-executor611 Not tainted 6.3.0-syzkaller-13390-g2e1e1337881b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:lookup_inline_extent_backref+0x8e8/0x1470 fs/btrfs/extent-tree.c:871
Code: de e8 7c bb 07 fe 49 39 df 0f 87 4b 0b 00 00 e8 5e b9 07 fe eb 30 83 7d 28 00 4c 8b 6c 24 30 0f 84 11 05 00 00 e8 48 b9 07 fe <0f> 0b 41 bc fb ff ff ff e9 52 06 00 00 e8 36 b9 07 fe e9 29 06 00
RSP: 0018:ffffc900040eea00 EFLAGS: 00010293
RAX: ffffffff8383adf8 RBX: 0000000000000000 RCX: ffff88801f4ed940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900040eebb0 R08: ffffffff8383a963 R09: 0000000000000000
R10: ffffc900040ee760 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88802b2e4370 R14: ffffc900040eeb20 R15: ffff88807a0fc000
FS:  00007f0193501700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 000000001e6bd000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 insert_inline_extent_backref+0xe6/0x250 fs/btrfs/extent-tree.c:1158
 __btrfs_inc_extent_ref+0x123/0x5f0 fs/btrfs/extent-tree.c:1461
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1952 [inline]
 __btrfs_run_delayed_refs+0x1176/0x3fc0 fs/btrfs/extent-tree.c:2013
 btrfs_run_delayed_refs+0x2f9/0x480 fs/btrfs/extent-tree.c:2125
 qgroup_account_snapshot+0xce/0x360 fs/btrfs/transaction.c:1545
 create_pending_snapshot+0x1244/0x28f0 fs/btrfs/transaction.c:1818
 create_pending_snapshots+0x195/0x1d0 fs/btrfs/transaction.c:1888
 btrfs_commit_transaction+0x12f5/0x3370 fs/btrfs/transaction.c:2358
 prepare_to_relocate+0x3c5/0x4c0 fs/btrfs/relocation.c:3600
 relocate_block_group+0x17f/0xce0 fs/btrfs/relocation.c:3625
 btrfs_relocate_block_group+0x7ab/0xd70 fs/btrfs/relocation.c:4087
 btrfs_relocate_chunk+0x12c/0x3b0 fs/btrfs/volumes.c:3275
 __btrfs_balance+0x1b06/0x2690 fs/btrfs/volumes.c:4010
 btrfs_balance+0xbdb/0x1120 fs/btrfs/volumes.c:4394
 btrfs_ioctl_balance+0x493/0x7c0 fs/btrfs/ioctl.c:3597
 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: 0033:0x7f019a976ac9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007f01935012f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f019aa017f0 RCX: 00007f019a976ac9
RDX: 0000000020022300 RSI: 00000000c4009420 RDI: 0000000000000008
RBP: 00007f019a9ce26c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 00007f019a9cd270 R14: 61635f7261656c63 R15: 00007f019aa017f8
 </TASK>