From: Andreas Gruenbacher <agrue...@redhat.com>
In gfs2_init_inode_once, initialize inode->i_iopen_gh.gh_gl to NULL:
otherwise, when gfs2_inode_lookup fails, the iopen glock holder can
remain unset and iget_failed can end up accessing random memory.
Signed-off-by: Andreas Gruenbacher <agrue...@redhat.com>
Signed-off-by: Bob Peterson <rpete...@redhat.com>
---
fs/gfs2/main.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index f99f8e9..615f675 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -45,6 +45,7 @@ static void gfs2_init_inode_once(void *foo)
memset(&ip->i_res, 0, sizeof(ip->i_res));
RB_CLEAR_NODE(&ip->i_res.rs_node);
ip->i_hash_cache = NULL;
+ ip->i_iopen_gh.gh_gl = NULL;
}
static void gfs2_init_glock_once(void *foo)
--
2.5.5
