If cpulist_parse() gets passed a cpu list with a stride value of 0
it will be stuck in an endless loop.
E.g. the following cpu list will cause an endless loop: "0-2:0".
Fix this by causing a parse error if the stride value is 0.
Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
---
lib/cpuset.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/lib/cpuset.c b/lib/cpuset.c
index cf22aa7..8592755 100644
--- a/lib/cpuset.c
+++ b/lib/cpuset.c
@@ -292,6 +292,8 @@ int cpulist_parse(const char *str, cpu_set_t *set, size_t setsize, int fail)
if (c1 != NULL && (c2 == NULL || c1 < c2)) {
if (sscanf(c1, "%u", &s) < 1)
return 1;
+ if (s == 0)
+ return 1;
}
}
--
1.7.5.4
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