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| author | Bob Peterson <rpeterso@redhat.com> | 2020-10-27 18:10:02 +0300 |
|---|---|---|
| committer | Andreas Gruenbacher <agruenba@redhat.com> | 2020-10-30 00:16:46 +0300 |
| commit | a9dd945ccef07a904e412f208f8de708a3d7159e (patch) | |
| tree | 70d45b889f4aa3399401eb510d36b3b230013398 /fs/gfs2/super.c | |
| parent | d0f17d3883f1e3f085d38572c2ea8edbd5150172 (diff) | |
| download | linux-a9dd945ccef07a904e412f208f8de708a3d7159e.tar.xz | |
gfs2: Add missing truncate_inode_pages_final for sd_aspace
Gfs2 creates an address space for its rgrps called sd_aspace, but it never
called truncate_inode_pages_final on it. This confused vfs greatly which
tried to reference the address space after gfs2 had freed the superblock
that contained it.
This patch adds a call to truncate_inode_pages_final for sd_aspace, thus
avoiding the use-after-free.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Diffstat (limited to 'fs/gfs2/super.c')
| -rw-r--r-- | fs/gfs2/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index b285192bd6b3..b3d951ab8068 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -738,6 +738,7 @@ restart: gfs2_jindex_free(sdp); /* Take apart glock structures and buffer lists */ gfs2_gl_hash_clear(sdp); + truncate_inode_pages_final(&sdp->sd_aspace); gfs2_delete_debugfs_file(sdp); /* Unmount the locking protocol */ gfs2_lm_unmount(sdp); |