linux-kernel - [PATCH BUGFIX 0/2] block, bfq: fix user after free

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Wed,  7 Aug 2019 16:17:52 +0200
From:   Paolo Valente <paolo.valente@...aro.org>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        ulf.hansson@...aro.org, linus.walleij@...aro.org,
        bfq-iosched@...glegroups.com, oleksandr@...alenko.name,
        pavel@...x.de, Paolo Valente <paolo.valente@...aro.org>
Subject: [PATCH BUGFIX 0/2] block, bfq: fix user after free

Hi Jens,
this series contains a pair of fixes for the UAF reported in
[1]. These patches are the result of the testing described in this
Chrome OS issue [2] since Comment 57.

Thanks,
Paolo

[1] https://lkml.org/lkml/2019/7/27/254
[2] https://bugs.chromium.org/p/chromium/issues/detail?id=931295#c57


Paolo Valente (2):
  block, bfq: reset last_completed_rq_bfqq if the pointed queue is freed
  block, bfq: move update of waker and woken list to queue freeing

 block/bfq-iosched.c | 54 ++++++++++++++++++++++++++++++---------------
 1 file changed, 36 insertions(+), 18 deletions(-)

--
2.20.1