[PATCH] D102469: [sanitizer] Reduce redzone size for small size global objects
Zhiwei Chen via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed May 19 18:48:16 PDT 2021
condy marked 3 inline comments as done.
condy added inline comments.
================
Comment at: llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp:2556
+ uint64_t RZ = 0;
+ if (SizeInBytes < MinRZ / 2) {
+ // Reduce redzone size for small size objects, e.g. int, char[1]. MinRZ is
----------------
vitalybuka wrote:
> MaskRay wrote:
> > I wonder whether 16-byte array should use this optimization as well (i.e. `<` => `<=`)
> >
> > @vitalybuka
> Agree, <= cutoff looks better here
@MaskRay @vitalybuka Applied
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D102469/new/
https://reviews.llvm.org/D102469
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