diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 03337fa7a61c..bfb8e98d8c02 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -480,13 +480,15 @@ static int insert_inline_extent(struct btrfs_trans_handle *trans,
 	ASSERT(size <= sectorsize);
 
 	/*
-	 * The compressed size also needs to be no larger than a sector.
-	 * That's also why we only need one page as the parameter.
+	 * The compressed size also needs to be no larger than a page.
+	 * That's also why we only need one folio as the parameter.
 	 */
-	if (compressed_folio)
+	if (compressed_folio) {
 		ASSERT(compressed_size <= sectorsize);
-	else
+		ASSERT(compressed_size <= PAGE_SIZE);
+	} else {
 		ASSERT(compressed_size == 0);
+	}
 
 	if (compressed_size && compressed_folio)
 		cur_size = compressed_size;
@@ -573,6 +575,18 @@ static bool can_cow_file_range_inline(struct btrfs_inode *inode,
 	if (offset != 0)
 		return false;
 
+	/*
+	 * Even for bs > ps cases, cow_file_range_inline() can only accept a
+	 * single folio.
+	 *
+	 * This can be problematic and cause access beyond page boundary if a
+	 * page sized folio is passed into that function.
+	 * And encoded write is doing exactly that.
+	 * So here limits the inlined extent size to PAGE_SIZE.
+	 */
+	if (size > PAGE_SIZE || compressed_size > PAGE_SIZE)
+		return false;
+
 	/* Inline extents are limited to sectorsize. */
 	if (size > fs_info->sectorsize)
 		return false;