btrfs_relocate_block_group+0x7b7/0xdb0 fs/btrfs/relocation.c:4171 btrfs_relocate_chunk+0x12c/0x3b0 fs/btrfs/volumes.c:3237 __btrfs_balance+0x1b06/0x2690 fs/btrfs/volumes.c:3972 btrfs_balance+0xbd8/0x10e0 fs/btrfs/volumes.c:4349 btrfs_ioctl_balance+0x496/0x7c0 fs/btrfs/ioctl.c:3614 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 11537 at fs/btrfs/extent-tree.c:861 lookup_inline_extent_backref+0x11ac/0x1650 fs/btrfs/extent-tree.c:861 Modules linked in: CPU: 0 PID: 11537 Comm: syz-executor.0 Not tainted 6.7.0-rc4-syzkaller-00424-gc527f5606aa5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:lookup_inline_extent_backref+0x11ac/0x1650 fs/btrfs/extent-tree.c:861 Code: 25 28 00 00 00 48 3b 84 24 80 01 00 00 0f 85 84 04 00 00 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b5 be fd 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:ffffc90016d36880 EFLAGS: 00010246 RAX: ffffffff8390be3b RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90004409000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90016d36a50 R08: ffffffff8390b0f9 R09: 0000000000000000 R10: ffffc90016d36600 R11: fffff52002da6cc2 R12: dffffc0000000000 R13: ffff8880794e2000 R14: ffff8880193d9630 R15: ffffc90016d369c0 FS: 00007f2caa2ee6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0b2dffe000 CR3: 000000005f83f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> insert_inline_extent_backref+0xd9/0x2b0 fs/btrfs/extent-tree.c:1211 __btrfs_inc_extent_ref+0x140/0x610 fs/btrfs/extent-tree.c:1512 run_delayed_tree_ref fs/btrfs/extent-tree.c:1756 [inline] run_one_delayed_ref fs/btrfs/extent-tree.c:1784 [inline] btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:2042 [inline] __btrfs_run_delayed_refs+0x14bd/0x44d0 fs/btrfs/extent-tree.c:2112 btrfs_run_delayed_refs+0x188/0x2c0 fs/btrfs/extent-tree.c:2224 qgroup_account_snapshot+0xab/0x3d0 fs/btrfs/transaction.c:1611 create_pending_snapshot+0x10dd/0x2bc0 fs/btrfs/transaction.c:1894 create_pending_snapshots+0x195/0x1d0 fs/btrfs/transaction.c:1967 btrfs_commit_transaction+0xf1c/0x3740 fs/btrfs/transaction.c:2440 prepare_to_relocate+0x3c4/0x4c0 fs/btrfs/relocation.c:3668 relocate_block_group+0x15a/0xd50 fs/btrfs/relocation.c:3693 btrfs_relocate_block_group+0x7b7/0xdb0 fs/btrfs/relocation.c:4171 btrfs_relocate_chunk+0x12c/0x3b0 fs/btrfs/volumes.c:3237 __btrfs_balance+0x1b06/0x2690 fs/btrfs/volumes.c:3972 btrfs_balance+0xbd8/0x10e0 fs/btrfs/volumes.c:4349 btrfs_ioctl_balance+0x496/0x7c0 fs/btrfs/ioctl.c:3614 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f2ca967cba9 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:00007f2caa2ee0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2ca979bf80 RCX: 00007f2ca967cba9 RDX: 00000000200003c0 RSI: 00000000c4009420 RDI: 0000000000000006 RBP: 00007f2ca96c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2ca979bf80 R15: 00007ffe5be31b58 </TASK>