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authorRich Felker <dalias@aerifal.cx>2012-04-16 13:03:22 -0400
committerRich Felker <dalias@aerifal.cx>2012-04-16 13:03:22 -0400
commitbef7a85e45ccc4b40958ca6d94894ca0d27e8291 (patch)
tree1e356f77efee602e3ef9b4fa45de76069482096b /src
parentf007bb854b0b2d2d12cd45a8feb674fa9abe70b2 (diff)
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fix crash in wordfree if we_offs is not initialized by the caller
I'm not sure if it's legal for wordexp to modify this field, but this
is the only easy/straightforward fix, and applications should not
care. if it's an issue, i can work out a different (but more complex)
solution later.
Diffstat (limited to 'src')
-rw-r--r--src/misc/wordexp.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/misc/wordexp.c b/src/misc/wordexp.c
index 4a3efc7b..34fc900a 100644
--- a/src/misc/wordexp.c
+++ b/src/misc/wordexp.c
@@ -82,6 +82,8 @@ static int do_wordexp(const char *s, wordexp_t *we, int flags)
 		if (we->we_offs > SIZE_MAX/sizeof(void *)/4)
 			return WRDE_NOSPACE;
 		i += we->we_offs;
+	} else {
+		we->we_offs = 0;
 	}
 
 	if (pipe(p) < 0) return WRDE_NOSPACE;