diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 5b7a15db4953..2fef378dbc97 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -5348,6 +5348,14 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
 	}
 	ei->i_flags = le32_to_cpu(raw_inode->i_flags);
 	ext4_set_inode_flags(inode, true);
+	/* Detect invalid flag combination - can't have both inline data and extents */
+	if (ext4_test_inode_flag(inode, EXT4_INODE_INLINE_DATA) &&
+	    ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) {
+		ext4_error_inode(inode, function, line, 0,
+			"inode has both inline data and extents flags");
+		ret = -EFSCORRUPTED;
+		goto bad_inode;
+	}
 	inode->i_blocks = ext4_inode_blocks(raw_inode, ei);
 	ei->i_file_acl = le32_to_cpu(raw_inode->i_file_acl_lo);
 	if (ext4_has_feature_64bit(sb))