From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabio M. Di Nitto Date: Wed, 04 Jul 2012 13:07:17 +0200 Subject: [Cluster-devel] [PATCH 5/5] rgmanager: Fix a possible NULL pointer dereference In-Reply-To: <20120628195810.GA80026@redhat.com> References: <20120628195810.GA80026@redhat.com> Message-ID: <4FF423E5.8010508@redhat.com> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit ACK On 6/28/2012 9:58 PM, Ryan McCabe wrote: > Fix a NULL pointer dereference that could happen when cman_get_node_count() > returns 0 with errno set to EINTR. > > Possibly resolves rhbz#820632 > > Signed-off-by: Ryan McCabe > --- > rgmanager/src/clulib/members.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/rgmanager/src/clulib/members.c b/rgmanager/src/clulib/members.c > index f705297..72f4529 100644 > --- a/rgmanager/src/clulib/members.c > +++ b/rgmanager/src/clulib/members.c > @@ -367,8 +367,10 @@ get_member_list(cman_handle_t h) > > do { > ++tries; > - if (nodes) > + if (nodes) { > free(nodes); > + nodes = NULL; > + } > > c = cman_get_node_count(h); > if (c <= 0) { >