quoted hunk
Why not have:
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index d510353..f9f77a7 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -216,6 +216,9 @@ static int unix_mkname(struct sockaddr_un
*sunaddr, int len, unsigned *hashp)
*/
((char *)sunaddr)[len] = 0;
len = strlen(sunaddr->sun_path)+1+sizeof(short);
+ /* No null terminator was found in the path. */
+ if (len > sizeof(*sunaddr))
+ return -EINVAL;
return len;
That could generate a kernel page fault!
(Depending on what follows (or rather doesn't follow!) sun_path.)
You'd need to use memchr() not strlen().
David