[tor-bugs] #22486 [Core Tor/Tor]: Build Tor with clang's -fsanitize=pointer-overflow
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Sun Jun 4 23:54:13 UTC 2017
#22486: Build Tor with clang's -fsanitize=pointer-overflow
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Reporter: teor | Owner:
Type: defect | Status: new
Priority: Medium | Milestone: Tor: 0.3.2.x-final
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution:
Keywords: pointer-safety | Actual Points:
Parent ID: | Points: 1
Reviewer: | Sponsor:
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Comment (by teor):
Replying to [comment:1 nickm]:
> That link says:
> > these checks are now part of UBSan and -fsanitize=undefined will
enable them
>
> So i think we may not need to take any action to have this included in
our fragile hardening mode?
You're right, the sanitizer improvements just seem to work, see #22490,
which is a use-after-stack-free bug.
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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22486#comment:2>
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