Author: cy
Date: Sun Apr 16 01:15:37 2017
New Revision: 316994
URL: https://svnweb.freebsd.org/changeset/base/316994
Log:
Fix CID 1372600, possible NULL pointer dereference should
reallocarray() fail.
Reported by: Coverity CID 1372600
MFC after: 1 week
Modified:
head/contrib/ipfilter/tools/ipf_y.y
Modified: head/contrib/ipfilter/tools/ipf_y.y
==============================================================================
--- head/contrib/ipfilter/tools/ipf_y.y Sun Apr 16 01:13:47 2017
(r316993)
+++ head/contrib/ipfilter/tools/ipf_y.y Sun Apr 16 01:15:37 2017
(r316994)
@@ -2195,6 +2195,10 @@ char *phrase;
for (i = 0, s = strtok(phrase, " \r\n\t"); s != NULL;
s = strtok(NULL, " \r\n\t"), i++) {
fb = reallocarray(fb, i / 4 + 1, sizeof(*fb));
+ if (fb == NULL) {
+ perror("memory allocation error at
__LINE__ in __FUNCTION__ in __FILE");
+ abort();
+ }
l = (u_32_t)strtol(s, NULL, 0);
switch (i & 3)
{
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