[PATCH] D118647: [hwasan] work around lifetime issue with setjmp.
Florian Mayer via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jan 31 14:50:11 PST 2022
fmayer marked an inline comment as done.
fmayer added a comment.
In D118647#3285567 <https://reviews.llvm.org/D118647#3285567>, @eugenis wrote:
> This is a great find. @pcc
> It seems like it would affect AArch64StackTagging, and some of the sanitizers as well (ASan in particular).
> Also I don't see anything in CodeGen/StackColoring.cpp to avoid this case - is it possible for it to cause erroneous stack slot reuse?
yep, as explained in the commit message i sent this CL to unblock the use-after-scope rollout while we figure out how to deal with the potentially bigger problem.
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rG LLVM Github Monorepo
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https://reviews.llvm.org/D118647/new/
https://reviews.llvm.org/D118647
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