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2000-03-22  Ulrich Drepper  <drepper@redhat.com>

	* inet/getnameinfo.c (getnameinfo): Check that addrlen value is
	large enough.  Patch by YOSHIFUJI Hideaki <yoshfuji@v6.linux.or.jp>.

2000-03-22  Andreas Jaeger  <aj@suse.de>

	* sysdeps/unix/sysv/linux/powerpc/bits/mman.h (MADV_*): Add flags
	from latest Linux kernel.
This commit is contained in:
Ulrich Drepper
2000-03-22 18:14:48 +00:00
parent ee0835df62
commit 922809a2e3
2 changed files with 23 additions and 1 deletions
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14
inet/getnameinfo.c
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@@ -172,8 +172,20 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host,
int herrno;
char *tmpbuf = alloca (tmpbuflen);
struct hostent th;
socklen_t min_addrlen = 0;
if (sa == NULL)
if (sa == NULL || addrlen < sizeof (sa_family_t))
return -1;
switch (sa->sa_family)
{
case AF_LOCAL:
min_addrlen = (socklen_t) (((struct sockaddr_un *) NULL)->sun_path);
break;
default:
min_addrlen = __libc_sa_len (sa->sa_family);
}
if (addrlen < min_addrlen)
return -1;
if (host != NULL && hostlen > 0)