[PATCH] D149220: [hwasan] Remove UAR tag branch !ClUARRetagToZero
Vitaly Buka via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Apr 25 17:49:13 PDT 2023
vitalybuka created this revision.
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This is leftover from older version of HWASAN.
The current HWASAN asumption is that new stack
frames are tagged with zero, which make getNextTagWithCall
or StackTag ^ TagMaskByte unusable.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D149220
Files:
llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
llvm/test/Instrumentation/HWAddressSanitizer/RISCV/alloca.ll
llvm/test/Instrumentation/HWAddressSanitizer/X86/alloca.ll
llvm/test/Instrumentation/HWAddressSanitizer/alloca.ll
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