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| author | Andreas Gruenbacher <agruenba@redhat.com> | 2016-06-17 07:22:15 -0500 |
|---|---|---|
| committer | Bob Peterson <rpeterso@redhat.com> | 2016-06-17 08:35:03 -0500 |
| commit | 1e875f5a95a28b5286165db9fa832b0773657ddb (patch) | |
| tree | ce81c0e518c2256111b2f6cc8e2a5f50741d781a /fs/gfs2 | |
| parent | 36e4ad0316c017d5b271378ed9a1c9a4b77fab5f (diff) | |
| download | linux-stable-1e875f5a95a28b5286165db9fa832b0773657ddb.tar.gz linux-stable-1e875f5a95a28b5286165db9fa832b0773657ddb.tar.bz2 linux-stable-1e875f5a95a28b5286165db9fa832b0773657ddb.zip | |
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>
Diffstat (limited to 'fs/gfs2')
| -rw-r--r-- | fs/gfs2/main.c | 1 |
1 files changed, 1 insertions, 0 deletions
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) |