From 1e875f5a95a28b5286165db9fa832b0773657ddb Mon Sep 17 00:00:00 2001 From: Andreas Gruenbacher Date: Fri, 17 Jun 2016 07:22:15 -0500 Subject: [PATCH] gfs2: Initialize iopen glock holder for new inodes 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 Signed-off-by: Bob Peterson --- fs/gfs2/main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index f99f8e94de3f..615f67581cc2 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) -- 2.20.1