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Re: [tor-bugs] #27728 [Core Tor/Tor]: Signature mismatch for crypto_strongest_rand() in ed-donna code breaks -flto compilation
#27728: Signature mismatch for crypto_strongest_rand() in ed-donna code breaks
-flto compilation
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Reporter: Hello71 | Owner: nickm
Type: defect | Status: needs_review
Priority: Medium | Milestone: Tor: 0.3.5.x-final
Component: Core Tor/Tor | Version: Tor: unspecified
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Changes (by nickm):
* status: accepted => needs_review
Comment:
Okay -- I've had to install GCC 8.2 locally, and after a bit I've
successfully reproduced this. So I don't forget, the configuration line I
used was:
{{{
./configure CC=/opt/gcc-8.2/bin/gcc CFLAGS='-O3 -flto' LDFLAGS='-flto' \
AR=/opt/gcc-8.2/bin/gcc-ar \
RANLIB=/opt/gcc-8.2/bin/gcc-ranlib \
NM=/opt/gcc-8.2/gcc-nm
}}}
I've added a simple fix as branch `bug27728`, with PR at
https://github.com/torproject/tor/pull/354 .
I'm seeing a few other GCC 8.2 warnings on the source code -- I'll try to
check whether they're LTO only.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27728#comment:8>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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