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dpkg: fix use-after-free (bug 939)

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This commit is contained in:
Denis Vlasenko 2006-09-30 21:05:25 +00:00
parent 55a994055f
commit aecabffb8b
1 changed files with 4 additions and 7 deletions
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9
archival/dpkg.c
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@ -304,18 +304,15 @@ static int version_compare(const unsigned int ver1, const unsigned int ver2)
deb_ver2++; deb_ver2++;
} }
result = version_compare_part(upstream_ver1, upstream_ver2); result = version_compare_part(upstream_ver1, upstream_ver2);
if (!result)
/* Compare debian versions */
result = version_compare_part(deb_ver1, deb_ver2);
free(upstream_ver1); free(upstream_ver1);
free(upstream_ver2); free(upstream_ver2);
if (result != 0) {
return result; return result;
} }
/* Compare debian versions */
return version_compare_part(deb_ver1, deb_ver2);
}
static int test_version(const unsigned int version1, const unsigned int version2, const unsigned int operator) static int test_version(const unsigned int version1, const unsigned int version2, const unsigned int operator)
{ {
const int version_result = version_compare(version1, version2); const int version_result = version_compare(version1, version2);