userspace/snmpd: don't crash when number of kernel modules greater than expected

Signed-off-by: Adam Wujek <adam.wujek@cern.ch>

userspace/snmpd: don't crash when number of kernel modules greater than expected
Signed-off-by: Adam Wujek <adam.wujek@cern.ch>
304dcae8 · Adam Wujek · 66839567 · 304dcae8
Commit 304dcae8 authored Nov 01, 2016 by Adam Wujek 💬
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wrsBootStatusGroup.c userspace/snmpd/wrsBootStatusGroup.c +2 -1

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--- a/userspace/snmpd/wrsBootStatusGroup.c
+++ b/userspace/snmpd/wrsBootStatusGroup.c
@@ -427,7 +427,8 @@ static void get_loaded_kernel_modules_status(void)
 			continue; /* error... or EOF */

 		/* try educated guess to find position in array */
-		if (!strncmp(key, kernel_modules[guess_index].key, 40)) {
+		if (guess_index < ARRAY_SIZE(kernel_modules)
+		    && !strncmp(key, kernel_modules[guess_index].key, 40)) {
 			modules_found++;
 			guess_index++;
 			continue;