58 lines
1.7 KiB
Diff
58 lines
1.7 KiB
Diff
From 5aa4bb67b9cbd334789199c03c9d30b90662a313 Mon Sep 17 00:00:00 2001
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From: John David Anglin <danglin@gcc.gnu.org>
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Date: Wed, 13 Sep 2023 11:04:41 +0000
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Subject: [PATCH 26/26] resolv: Fix some unaligned accesses in resolver [BZ
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#30750]
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Signed-off-by: John David Anglin <dave.anglin@bell.net>
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---
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resolv/res_nameinquery.c | 3 ++-
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resolv/res_queriesmatch.c | 3 ++-
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2 files changed, 4 insertions(+), 2 deletions(-)
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diff --git a/resolv/res_nameinquery.c b/resolv/res_nameinquery.c
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index 24172700e1..ca56bc9283 100644
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--- a/resolv/res_nameinquery.c
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+++ b/resolv/res_nameinquery.c
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@@ -84,6 +84,7 @@
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#include <arpa/nameser.h>
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#include <resolv.h>
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+#include <resolv/resolv-internal.h>
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/* Author: paul vixie, 29may94. */
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int
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@@ -91,7 +92,7 @@ __libc_res_nameinquery (const char *name, int type, int class,
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const unsigned char *buf, const unsigned char *eom)
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{
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const unsigned char *cp = buf + HFIXEDSZ;
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- int qdcount = ntohs (((HEADER *) buf)->qdcount);
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+ int qdcount = ntohs (((UHEADER *) buf)->qdcount);
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while (qdcount-- > 0)
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{
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diff --git a/resolv/res_queriesmatch.c b/resolv/res_queriesmatch.c
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index 13a6936c47..ba1c1d0c0c 100644
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--- a/resolv/res_queriesmatch.c
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+++ b/resolv/res_queriesmatch.c
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@@ -83,6 +83,7 @@
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*/
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#include <resolv.h>
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+#include <resolv/resolv-internal.h>
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/* Author: paul vixie, 29may94. */
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int
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@@ -102,7 +103,7 @@ __libc_res_queriesmatch (const unsigned char *buf1, const unsigned char *eom1,
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order. We can compare it with the second buffer's QDCOUNT
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value without doing this. */
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int qdcount = ((HEADER *) buf1)->qdcount;
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- if (qdcount != ((HEADER *) buf2)->qdcount)
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+ if (qdcount != ((UHEADER *) buf2)->qdcount)
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return 0;
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qdcount = htons (qdcount);
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--
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2.33.0
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