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In find_path() stub only make a copy in outfile if returning FOUND.

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Fixed a recently-introduced memory leak in the fuzzer.
This commit is contained in:
Todd C. Miller
2021-03-01 07:22:57 -07:00
parent 79dbf9f17e
commit 4a28b5d587
1 changed files with 8 additions and 9 deletions
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17
plugins/sudoers/regress/fuzz/fuzz_policy.c
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@@ -737,21 +737,20 @@ find_path(const char *infile, char **outfile, struct stat *sbp,
const char *path, const char *runchroot, int ignore_dot, const char *path, const char *runchroot, int ignore_dot,
char * const *allowlist) char * const *allowlist)
{ {
if (infile[0] == '/') {
*outfile = strdup(infile);
} else {
if (asprintf(outfile, "/usr/bin/%s", infile) == -1)
*outfile = NULL;
}
if (*outfile == NULL)
return NOT_FOUND_ERROR;
switch (pass) { switch (pass) {
case PASS_CHECK_NOT_FOUND: case PASS_CHECK_NOT_FOUND:
return NOT_FOUND; return NOT_FOUND;
case PASS_CHECK_NOT_FOUND_DOT: case PASS_CHECK_NOT_FOUND_DOT:
return NOT_FOUND_DOT; return NOT_FOUND_DOT;
default: default:
if (infile[0] == '/') {
*outfile = strdup(infile);
} else {
if (asprintf(outfile, "/usr/bin/%s", infile) == -1)
*outfile = NULL;
}
if (*outfile == NULL)
return NOT_FOUND_ERROR;
return FOUND; return FOUND;
} }
} }