Messages in this thread | | | Date | Thu, 07 Mar 2019 09:10:38 -0800 | Subject | Re: [PATCH 18/20] objtool: Add UACCESS validation | From | hpa@zytor ... |
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On March 7, 2019 8:33:26 AM PST, Linus Torvalds <torvalds@linux-foundation.org> wrote: >On Thu, Mar 7, 2019 at 3:52 AM Peter Zijlstra <peterz@infradead.org> >wrote: >> >> XXX: are we sure we want __memset marked AC-safe? > >It's certainly one of the safer functions to call with AC set, but it >sounds wrong anyway. It's not like it's likely to leak kernel data >(most memset's are with 0, and even the non-zero ones I can't imagine >are sensitive - more like poison values etc). > >What's the call site that made you go "just add __memset() to the >list"? > > Linus
Agreed... it seems fishy at least.
-- Sent from my Android device with K-9 Mail. Please excuse my brevity.
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