commit e22368f6 introduce a couple checks for
negative buffer lengths. The variables are unsigned
ints so UINT_MAX should be used.
Signed-off-by: Steve Dickson <steved@xxxxxxxxxx>
---
nss.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/nss.c b/nss.c
index 8e9412d..47c6b14 100644
--- a/nss.c
+++ b/nss.c
@@ -44,6 +44,7 @@
#include <netdb.h>
#include <err.h>
#include <grp.h>
+#include <limits.h>
#include "nfsidmap.h"
#include "nfsidmap_internal.h"
#include "cfg.h"
@@ -171,7 +172,7 @@ static struct passwd *nss_getpwnam(const char *name, const char *domain, int *er
char *localname;
int err = ENOMEM;
- if (buflen < 0)
+ if (buflen > UINT_MAX)
goto err;
buf = malloc(sizeof(*buf) + buflen);
@@ -240,7 +241,7 @@ static int nss_name_to_gid(char *name, gid_t *gid)
goto out;
err = -ENOMEM;
- if (buflen < 0)
+ if (buflen > UINT_MAX)
goto out;
do {
--
2.7.4
--
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