Messages in this thread | | | From | Dmitry Vyukov <> | Date | Fri, 27 May 2022 15:09:50 +0200 | Subject | Re: [RFC PATCH v3] UML: add support for KASAN under x86_64 |
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On Fri, 27 May 2022 at 15:05, Johannes Berg <johannes@sipsolutions.net> wrote: > > On Wed, 2022-05-25 at 18:01 -0700, David Gow wrote: > > From: Patricia Alfonso <trishalfonso@google.com> > > > > Make KASAN run on User Mode Linux on x86_64. > > FWIW, I just added this to my virtual lab which I use as CI tests, and > it immediately found a use-after-free bug in mac80211! > > I did note (this is more for kasan-dev@) that the "freed by" is fairly > much useless when using kfree_rcu(), it might be worthwhile to annotate > that somehow, so the stack trace is recorded by kfree_rcu() already, > rather than just showing the RCU callback used for that.
KASAN is doing it for several years now, see e.g.: https://groups.google.com/g/syzkaller-bugs/c/eTW9zom4O2o/m/_v7cOo2RFwAJ
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