BTRFS info (device loop5): relocating block group 1048576 flags system ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6009 at fs/btrfs/extent-tree.c:843 lookup_inline_extent_backref+0x11b0/0x1660 fs/btrfs/extent-tree.c:843 Modules linked in: CPU: 1 UID: 0 PID: 6009 Comm: syz-executor.5 Not tainted 6.11.0-rc4-syzkaller-00019-gb311c1b497e5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:lookup_inline_extent_backref+0x11b0/0x1660 fs/btrfs/extent-tree.c:843 Code: 00 48 3b 84 24 80 01 00 00 0f 85 88 04 00 00 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 b1 59 ec fd 90 <0f> 0b 90 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 4c 8b 6c 24 48 74 08 RSP: 0018:ffffc900098068a0 EFLAGS: 00010293 RAX: ffffffff83a730ff RBX: 0000000000000000 RCX: ffff888028ed5a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90009806a70 R08: ffffffff83a723b9 R09: 1ffffd40000b59f0 R10: dffffc0000000000 R11: fffff940000b59f1 R12: dffffc0000000000 R13: ffff88806958c000 R14: ffff8880207ee2c0 R15: ffffc900098069e0 FS: 00007f800f7476c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbc5ab16000 CR3: 000000001ef60000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: insert_inline_extent_backref+0xd9/0x2b0 fs/btrfs/extent-tree.c:1193 __btrfs_inc_extent_ref+0x262/0x790 fs/btrfs/extent-tree.c:1475 run_delayed_tree_ref fs/btrfs/extent-tree.c:1722 [inline] run_one_delayed_ref fs/btrfs/extent-tree.c:1750 [inline] btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:2015 [inline] __btrfs_run_delayed_refs+0x11a0/0x4680 fs/btrfs/extent-tree.c:2085 btrfs_run_delayed_refs+0x188/0x2c0 fs/btrfs/extent-tree.c:2197 qgroup_account_snapshot+0xaf/0x3d0 fs/btrfs/transaction.c:1568 create_pending_snapshot+0x1270/0x2a10 fs/btrfs/transaction.c:1851 create_pending_snapshots+0x195/0x1d0 fs/btrfs/transaction.c:1922 btrfs_commit_transaction+0xf19/0x3740 fs/btrfs/transaction.c:2401 prepare_to_relocate+0x3c4/0x4c0 fs/btrfs/relocation.c:3639 relocate_block_group+0x169/0xd20 fs/btrfs/relocation.c:3664 btrfs_relocate_block_group+0x77d/0xd90 fs/btrfs/relocation.c:4136 btrfs_relocate_chunk+0x12c/0x3b0 fs/btrfs/volumes.c:3374 __btrfs_balance+0x1b0f/0x26b0 fs/btrfs/volumes.c:4158 btrfs_balance+0xbdc/0x10c0 fs/btrfs/volumes.c:4535 btrfs_ioctl_balance+0x496/0x7d0 fs/btrfs/ioctl.c:3675 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f800ea7cd29 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:00007f800f7470c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f800ebabf80 RCX: 00007f800ea7cd29 RDX: 0000000020001a40 RSI: 00000000c4009420 RDI: 0000000000000004 RBP: 00007f800eac947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f800ebabf80 R15: 00007fff99870ba8