Re: [PATCH] jbd2: Fix use after free in kjournald2()

From	Theodore Ts'o <tytso@mit.edu>
Newsgroups	linux.kernel
Subject	Re: [PATCH] jbd2: Fix use after free in kjournald2()
Date	2017-02-02 03:00 +0100
Message-ID	<t6eQN-5Cs-5@gated-at.bofh.it> (permalink)
References	<t672X-pD-37@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On Wed, Feb 01, 2017 at 11:01:51PM +0530, Sahitya Tummala wrote:
> Below is the synchronization issue between unmount and kjournald2
> contexts, which results into use after free issue in kjournald2().
> Fix this issue by using journal->j_state_lock to synchronize the
> wait_event() done in journal_kill_thread() and the wake_up() done
> in kjournald2().

Thanks, applied.

					- Ted

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH] jbd2: Fix use after free in kjournald2() Sahitya Tummala <stummala@codeaurora.org> - 2017-02-01 18:40 +0100
  Re: [PATCH] jbd2: Fix use after free in kjournald2() Theodore Ts'o <tytso@mit.edu> - 2017-02-02 03:00 +0100

csiph-web