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lib: Fix CID 1596761 Resource leak

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Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This commit is contained in:
Volker Lendecke 2024-09-29 09:58:13 +02:00
parent 30b0fa892a
commit f3e7d450ea
1 changed files with 4 additions and 2 deletions
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6
lib/util/util_paths.c
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@ -89,15 +89,17 @@ static char *get_user_home_dir(TALLOC_CTX *mem_ctx)
rc = getpwuid_r(getuid(), &pwd, buf, len, &pwdbuf); rc = getpwuid_r(getuid(), &pwd, buf, len, &pwdbuf);
while (rc == ERANGE) { while (rc == ERANGE) {
size_t newlen = 2 * len; size_t newlen = 2 * len;
char *tmp = NULL;
if (newlen < len) { if (newlen < len) {
/* Overflow */ /* Overflow */
goto done; goto done;
} }
len = newlen; len = newlen;
buf = talloc_realloc_size(mem_ctx, buf, len); tmp = talloc_realloc_size(mem_ctx, buf, len);
if (buf == NULL) { if (tmp == NULL) {
goto done; goto done;
} }
buf = tmp;
rc = getpwuid_r(getuid(), &pwd, buf, len, &pwdbuf); rc = getpwuid_r(getuid(), &pwd, buf, len, &pwdbuf);
} }
if (rc != 0 || pwdbuf == NULL ) { if (rc != 0 || pwdbuf == NULL ) {