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

[Paolo Valente]

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(-)

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2.20.1