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Merge tag 'gfs2-v6.3-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

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Pull gfs2 fix from Andreas Gruenbacher:

 - Fix a NULL pointer dereference when mounting corrupted filesystems

* tag 'gfs2-v6.3-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: Don't deref jdesc in evict
This commit is contained in:
Linus Torvalds
2023-05-10 16:48:35 -05:00
parent ad2fd53a78 504a10d9e4
commit 2a78769da3
1 changed files with 8 additions and 0 deletions
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fs/gfs2/super.c
+8
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@@ -1419,6 +1419,14 @@ static void gfs2_evict_inode(struct inode *inode)
if (inode->i_nlink || sb_rdonly(sb) || !ip->i_no_addr)
goto out;
/*
* In case of an incomplete mount, gfs2_evict_inode() may be called for
* system files without having an active journal to write to. In that
* case, skip the filesystem evict.
*/
if (!sdp->sd_jdesc)
goto out;
gfs2_holder_mark_uninitialized(&gh);
ret = evict_should_delete(inode, &gh);
if (ret == SHOULD_DEFER_EVICTION)