2.6.36-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Sergey Senozhatsky <[email protected]>

commit a1c6c5698d53db4c47a25c3a8d11731a4d7b8370 upstream.

Fix NULL pointer dereference in print_daily_error_info, when
called on unmounted fs (EXT4_SB(sb) returns NULL), by removing error
reporting timer in ext4_put_super.

Google-Bug-Id: 3017663

Signed-off-by: Sergey Senozhatsky <[email protected]>
Signed-off-by: "Theodore Ts'o" <[email protected]>
Cc: Thomas Meyer <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 fs/ext4/super.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -719,6 +719,7 @@ static void ext4_put_super(struct super_
                        ext4_abort(sb, "Couldn't clean up the journal");
        }
 
+       del_timer(&sbi->s_err_report);
        ext4_release_system_zone(sb);
        ext4_mb_release(sb);
        ext4_ext_release(sb);


_______________________________________________
stable mailing list
[email protected]
http://linux.kernel.org/mailman/listinfo/stable

Reply via email to