On Mon, Oct 05, 2015 at 01:20:52PM -0600, Andreas Dilger wrote: > > On Oct 5, 2015, at 8:18 AM, Lukáš Czerner <lczerner@xxxxxxxxxx> wrote: > > On Wed, 2 Sep 2015, Lukas Czerner wrote: > > > >> Date: Wed, 2 Sep 2015 16:45:54 +0200 > >> From: Lukas Czerner <lczerner@xxxxxxxxxx> > >> To: linux-ext4@xxxxxxxxxxxxxxx > >> Cc: Lukas Czerner <lczerner@xxxxxxxxxx> > >> Subject: [PATCH] ext4: fix potential use after free in __ext4_journal_stop > >> > >> There is a use-after-free possibility in __ext4_journal_stop() in the > >> case that we free the handle in the first jbd2_journal_stop() because > >> we're referencing handle->h_err afterwards. This was introduced in > >> 9705acd63b125dee8b15c705216d7186daea4625 and it is wrong. Fix it by > >> storing the handle->h_err value beforehand and avoid referencing > >> potentially freed handle. > > > > ping > >> > >> Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx> > > Reviewed-by: Andreas Dilger <adilger@xxxxxxxxx> Applied, thanks. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
