Author: markj
Date: Sun Sep 1 21:20:31 2019
New Revision: 351671
URL: https://svnweb.freebsd.org/changeset/base/351671
Log:
Fix an off-by-one bug in the CPU and domain ID parser.
The "size" parameter is the size of the corresponding bit set, so the
maximum CPU or domain index is size - 1.
MFC after: 1 week
Modified:
head/usr.bin/cpuset/cpuset.c
Modified: head/usr.bin/cpuset/cpuset.c
==============================================================================
--- head/usr.bin/cpuset/cpuset.c Sun Sep 1 19:13:20 2019
(r351670)
+++ head/usr.bin/cpuset/cpuset.c Sun Sep 1 21:20:31 2019
(r351671)
@@ -100,10 +100,10 @@ parselist(char *list, struct bitset *mask, int size)
for (l = list; *l != '\0';) {
if (isdigit(*l)) {
curnum = atoi(l);
- if (curnum > size)
+ if (curnum >= size)
errx(EXIT_FAILURE,
"List entry %d exceeds maximum of %d",
- curnum, size);
+ curnum, size - 1);
while (isdigit(*l))
l++;
switch (state) {
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