Messages in this thread | | | Date | Wed, 6 May 2020 10:08:49 -0400 (EDT) | From | Alan Stern <> | Subject | Re: KASAN: use-after-free Read in usblp_bulk_read |
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On Wed, 6 May 2020, Oliver Neukum wrote:
> Am Donnerstag, den 30.04.2020, 11:11 -0400 schrieb Alan Stern: > > > KASAN is documented. The difficulty is that this race is obviously > > hard to trigger, and without the ability to reproduce it we can't run > > diagnostics to find the underlying cause. > > > > We can't even ask syzbot to try running tests for us; without a valid > > reproducer it won't agree to rerun the original test program. > > > Very well. We are not going to find it without exceptional luck. Yet > there may be a real issue, too. We simply do not know. How about the > attached patch?
It's okay with me (apart from the typo in the patch description: "UB").
Alan Stern
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