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Message-ID: <20150808172513.GA427@nyan>
Date: Sat, 8 Aug 2015 19:25:13 +0200
From: Felix Janda <felix.janda@...teo.de>
To: musl@...ts.openwall.com
Subject: [PATCH] fix failure of tempnam to null-terminate result
tempnam uses an uninitialized buffer which is filled using memcpy and
__randname. It is therefore necessary to explicitly null-terminate it.
---
src/stdio/tempnam.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/stdio/tempnam.c b/src/stdio/tempnam.c
index 45a5f26..b938b31 100644
--- a/src/stdio/tempnam.c
+++ b/src/stdio/tempnam.c
@@ -33,6 +33,7 @@ char *tempnam(const char *dir, const char *pfx)
s[dl] = '/';
memcpy(s+dl+1, pfx, pl);
s[dl+1+pl] = '_';
+ s[l] = '\0';
for (try=0; try<MAXTRIES; try++) {
__randname(s+l-6);
--
2.4.6
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