Author: avg
Date: Thu May 3 07:28:49 2018
New Revision: 333198
URL: https://svnweb.freebsd.org/changeset/base/333198
Log:
MFC r332559: mountd: fix a crash when getgrouplist reports too many groups
Sponsored by: Panzura
Modified:
stable/10/usr.sbin/mountd/mountd.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/usr.sbin/mountd/mountd.c
==============================================================================
--- stable/10/usr.sbin/mountd/mountd.c Thu May 3 07:28:04 2018
(r333197)
+++ stable/10/usr.sbin/mountd/mountd.c Thu May 3 07:28:49 2018
(r333198)
@@ -2955,8 +2955,11 @@ parsecred(char *namelist, struct xucred *cr)
}
cr->cr_uid = pw->pw_uid;
ngroups = XU_NGROUPS + 1;
- if (getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups))
+ if (getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups)) {
syslog(LOG_ERR, "too many groups");
+ ngroups = XU_NGROUPS + 1;
+ }
+
/*
* Compress out duplicate.
*/
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