svn commit: r317372 - head/lib/libc/gen
Pedro F. Giffuni
pfg at FreeBSD.org
Mon Apr 24 14:56:42 UTC 2017
Author: pfg
Date: Mon Apr 24 14:56:41 2017
New Revision: 317372
URL: https://svnweb.freebsd.org/changeset/base/317372
Log:
scandir(3): promote arraysz to size_t to match numitems.
The internal array size goes through a loop and is compared with numitems
which at its limits makes can be unreachably higher than arraysz.
Prevent an hypothetical overflow by matching the types.
MFC after: 1 week
Modified:
head/lib/libc/gen/scandir.c
Modified: head/lib/libc/gen/scandir.c
==============================================================================
--- head/lib/libc/gen/scandir.c Mon Apr 24 14:51:53 2017 (r317371)
+++ head/lib/libc/gen/scandir.c Mon Apr 24 14:56:41 2017 (r317372)
@@ -82,8 +82,7 @@ scandir(const char *dirname, struct dire
#endif
{
struct dirent *d, *p, **names = NULL;
- size_t numitems;
- long arraysz;
+ size_t arraysz, numitems;
DIR *dirp;
if ((dirp = opendir(dirname)) == NULL)
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