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| author | David Howells <dhowells@redhat.com> | 2014-09-02 13:52:20 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-17 09:22:22 -0700 |
| commit | b3c24771aaaa566ba977d67ea22d9758b31efe13 (patch) | |
| tree | 7766bf414e14f1f62ce5dc0e1cca6ab1baef3892 /lib | |
| parent | c857808daf9f819010731b0e5669d315a623d41f (diff) | |
| download | linux-stable-b3c24771aaaa566ba977d67ea22d9758b31efe13.tar.gz linux-stable-b3c24771aaaa566ba977d67ea22d9758b31efe13.tar.bz2 linux-stable-b3c24771aaaa566ba977d67ea22d9758b31efe13.zip | |
KEYS: Fix use-after-free in assoc_array_gc()
commit 27419604f51a97d497853f14142c1059d46eb597 upstream.
An edit script should be considered inaccessible by a function once it has
called assoc_array_apply_edit() or assoc_array_cancel_edit().
However, assoc_array_gc() is accessing the edit script just after the
gc_complete: label.
Reported-by: Andreea-Cristina Bernat <bernat.ada@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Andreea-Cristina Bernat <bernat.ada@gmail.com>
cc: shemming@brocade.com
cc: paulmck@linux.vnet.ibm.com
Signed-off-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/assoc_array.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/assoc_array.c b/lib/assoc_array.c index c0b1007011e1..ae146f0734eb 100644 --- a/lib/assoc_array.c +++ b/lib/assoc_array.c @@ -1735,7 +1735,7 @@ ascend_old_tree: gc_complete: edit->set[0].to = new_root; assoc_array_apply_edit(edit); - edit->array->nr_leaves_on_tree = nr_leaves_on_tree; + array->nr_leaves_on_tree = nr_leaves_on_tree; return 0; enomem: |