rpm/rpm-4.13.0-stringFormat-sigsegv.patch
Lubos Kardos 177601750a - Fix sigsegv in stringFormat()
- Resolves: #1316903
- Fix reading rpmtd behind its size in formatValue()
- Resolves: #1316896
2016-04-25 15:17:59 +02:00

34 lines
926 B
Diff

From cddf43a56f19711866371f02f378dc4095b0fadd Mon Sep 17 00:00:00 2001
From: Lubos Kardos <lkardos@redhat.com>
Date: Mon, 25 Apr 2016 14:38:47 +0200
Subject: [PATCH 2/2] Fix sigsegv in stringFormat() (rhbz:1316903)
Just skip duping of NULL and return it. Returned NULL is handled in
upper layer.
---
lib/formats.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/lib/formats.c b/lib/formats.c
index e3626ed..bad0b2d 100644
--- a/lib/formats.c
+++ b/lib/formats.c
@@ -44,9 +44,12 @@ static char * stringFormat(rpmtd td)
case RPM_NUMERIC_CLASS:
rasprintf(&val, "%" PRIu64, rpmtdGetNumber(td));
break;
- case RPM_STRING_CLASS:
- val = xstrdup(rpmtdGetString(td));
+ case RPM_STRING_CLASS: {
+ const char *str = rpmtdGetString(td);
+ if (str)
+ val = xstrdup(str);
break;
+ }
case RPM_BINARY_CLASS:
val = pgpHexStr(td->data, td->count);
break;
--
1.9.3