From 2545e0720a5a4bf8ebccc6f793f97a246cf3f18d Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Thu, 1 Mar 2012 10:06:52 +0300 Subject: cifs: writing past end of struct in cifs_convert_address() "s6->sin6_scope_id" is an int bits but strict_strtoul() writes a long so this can corrupt memory on 64 bit systems. Signed-off-by: Dan Carpenter Reviewed-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/netmisc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'fs/cifs') diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c index dd23a321bdda..581c225f7f50 100644 --- a/fs/cifs/netmisc.c +++ b/fs/cifs/netmisc.c @@ -197,8 +197,7 @@ cifs_convert_address(struct sockaddr *dst, const char *src, int len) memcpy(scope_id, pct + 1, slen); scope_id[slen] = '\0'; - rc = strict_strtoul(scope_id, 0, - (unsigned long *)&s6->sin6_scope_id); + rc = kstrtouint(scope_id, 0, &s6->sin6_scope_id); rc = (rc == 0) ? 1 : 0; } -- cgit v1.2.1