Commit 1e875f5a authored Jun 17, 2016 by Andreas Gruenbacher Committed by Bob Peterson Jun 17, 2016

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 <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>

parent 36e4ad03

fs/gfs2/main.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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)