[webkit-reviews] review granted: [Bug 190405] Changes towards allowing use of the ASAN detect_stack_use_after_return option. : [Attachment 352022] proposed patch.
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Oct 11 09:22:12 PDT 2018
Michael Saboff <msaboff at apple.com> has granted Mark Lam <mark.lam at apple.com>'s
request for review:
Bug 190405: Changes towards allowing use of the ASAN
detect_stack_use_after_return option.
https://bugs.webkit.org/show_bug.cgi?id=190405
Attachment 352022: proposed patch.
https://bugs.webkit.org/attachment.cgi?id=352022&action=review
--- Comment #6 from Michael Saboff <msaboff at apple.com> ---
Comment on attachment 352022
--> https://bugs.webkit.org/attachment.cgi?id=352022
proposed patch.
View in context: https://bugs.webkit.org/attachment.cgi?id=352022&action=review
r=me
> Source/WTF/wtf/StackPointer.cpp:39
> + // Make sure that sp is the only local variable decalred in this
function.
*declared*
> Source/WTF/wtf/StackPointer.cpp:40
> + void* sp = reinterpret_cast<uint8_t*>(&sp) + sizeOfFrameHeader +
sizeof(sp);
uint8_t should probably be a uintptr_t.
> Source/WTF/wtf/StackPointer.h:30
> +WTF_EXPORT_PRIVATE void* currentStackPointer();
Did you consider using inline assembly for architectures we know well?
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