void-packages/srcpkgs/libcgroup/patches/api.c-fix-infinite-loop.patch
Sven Jonsson 30ccfb7672 libcgroup: add upstream patch that fixes infinite loop in cgrulesengd (#5133)
The patch comes from:
https://sourceforge.net/p/libcg/libcg/ci/master/tree/
SHA1-id: 1bce3ab63968022e97599bbd73ec1a66aacf45bc

Minor manual tweak added to avoid setting patch_args
2016-11-07 12:06:01 +01:00

39 lines
953 B
Diff

Date: Tue, 8 Dec 2015 16:53:41 +0100
Subject: [PATCH] api.c: fix infinite loop
If getgrnam or getpwuid functions failed, the program entered
an infinite loop, because the rule pointer was never advanced.
This is now fixed by updating the pointer before continuing
to the next iteration.
---
src/api.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/api.c b/src/api.c
index d6c9d3a..ef796ac 100644
--- src/api.c
+++ src/api.c
@@ -2775,13 +2775,17 @@ static struct cgroup_rule *cgroup_find_matching_rule_uid_gid(uid_t uid,
/* Get the group data. */
sp = &(rule->username[1]);
grp = getgrnam(sp);
- if (!grp)
+ if (!grp) {
+ rule = rule->next;
continue;
+ }
/* Get the data for UID. */
usr = getpwuid(uid);
- if (!usr)
+ if (!usr) {
+ rule = rule->next;
continue;
+ }
/* If UID is a member of group, we matched. */
for (i = 0; grp->gr_mem[i]; i++) {
--
2.10.2