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[PATCH] Fix out-of-bounds access in IBM-1360 converter
- From: Andreas Schwab <schwab at suse dot de>
- To: libc-alpha <libc-alpha at sourceware dot org>
- Cc: Jeff Law <law at redhat dot com>, Martin Sebor <msebor at gmail dot com>
- Date: Tue, 24 Jul 2018 15:24:10 +0200
- Subject: [PATCH] Fix out-of-bounds access in IBM-1360 converter
- References: <4012c914-e051-3f6c-f604-555de0db8c69@redhat.com>
The IBM-1360 converter can consume/produce two UCS4 characters in each
loop.
* iconvdata/ibm1364.c (MAX_NEEDED_OUTPUT) [FROM_LOOP]: Define.
(MAX_NEEDED_INPUT) [TO_LOOP]: Define.
---
iconvdata/ibm1364.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/iconvdata/ibm1364.c b/iconvdata/ibm1364.c
index b833273aa8..517fe60813 100644
--- a/iconvdata/ibm1364.c
+++ b/iconvdata/ibm1364.c
@@ -150,6 +150,7 @@ enum
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
#define MAX_NEEDED_INPUT MAX_NEEDED_FROM
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
+#define MAX_NEEDED_OUTPUT MAX_NEEDED_TO
#define LOOPFCT FROM_LOOP
#define BODY \
{ \
@@ -296,6 +297,7 @@ enum
/* Next, define the other direction. */
#define MIN_NEEDED_INPUT MIN_NEEDED_TO
+#define MAX_NEEDED_INPUT MAX_NEEDED_TO
#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
#define LOOPFCT TO_LOOP
--
2.18.0
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."