Merge branch 'next' into for-linus

Prepare input updates for 5.13 merge window.

1 files changed, 4 insertions, 12 deletions

diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
index 582061c7b547..f4ade821307d 100644
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -1453,22 +1453,14 @@ static int check_extent_data_ref(struct extent_buffer *leaf,
 		return -EUCLEAN;
 	}
 	for (; ptr < end; ptr += sizeof(*dref)) {
-		u64 root_objectid;
-		u64 owner;
 		u64 offset;
-		u64 hash;
 
+		/*
+		 * We cannot check the extent_data_ref hash due to possible
+		 * overflow from the leaf due to hash collisions.
+		 */
 		dref = (struct btrfs_extent_data_ref *)ptr;
-		root_objectid = btrfs_extent_data_ref_root(leaf, dref);
-		owner = btrfs_extent_data_ref_objectid(leaf, dref);
 		offset = btrfs_extent_data_ref_offset(leaf, dref);
-		hash = hash_extent_data_ref(root_objectid, owner, offset);
-		if (unlikely(hash != key->offset)) {
-			extent_err(leaf, slot,
-	"invalid extent data ref hash, item has 0x%016llx key has 0x%016llx",
-				   hash, key->offset);
-			return -EUCLEAN;
-		}
 		if (unlikely(!IS_ALIGNED(offset, leaf->fs_info->sectorsize))) {
 			extent_err(leaf, slot,
 	"invalid extent data backref offset, have %llu expect aligned to %u",