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<a href="https://gitlab.com/rockdaboot">Tim Rühsen</a>
commented on a
discussion on <a href="https://gitlab.com/gnutls/gnutls/merge_requests/1151#note_277295816">.gitlab-ci.yml</a>:
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<pre style="margin: 0;">+<span id="LC504" class="line" lang="yaml"> <span class="pi">-</span> <span class="s" style="color: #d14;">./bootstrap</span></span>
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<pre style="margin: 0;">+<span id="LC505" class="line" lang="yaml"> <span class="pi">-</span> <span class="s" style="color: #d14;">export UBSAN_OPTIONS=print_stacktrace=1:report_error_type=1:suppressions=$(pwd)/devel/ubsan.supp</span></span>
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<pre style="margin: 0;">+<span id="LC506" class="line" lang="yaml"> <span class="pi">-</span> <span class="s" style="color: #d14;">export LSAN_OPTIONS=suppressions=$(pwd)/devel/lsan.supp</span></span>
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<pre style="margin: 0;">+<span id="LC507" class="line" lang="yaml"> <span class="pi">-</span> <span class="s" style="color: #d14;">export ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer</span></span>
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<pre style="margin: 0;">+<span id="LC508" class="line" lang="yaml"> <span class="pi">-</span> <span class="s" style="color: #d14;">export CC=clang</span></span>
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<pre style="margin: 0;">+<span id="LC509" class="line" lang="yaml"> <span class="pi">-</span> <span class="s" style="color: #d14;">export CXX=clang++</span></span>
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<pre style="margin: 0;">+<span id="LC510" class="line" lang="yaml"></span>
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<pre style="margin: 0;">+<span id="LC511" class="line" lang="yaml"><span class="c1" style="color: #998; font-style: italic;"># This makes several tests fail, needs discussion if helpful</span></span>
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<pre style="margin: 0;">+<span id="LC512" class="line" lang="yaml"><span class="c1" style="color: #998; font-style: italic;"># - export CFLAGS="-std=c99 -O1 -g -Werror -fno-omit-frame-pointer -fsanitize=undefined,integer,nullability,bool,alignment,null,enum,address,leak,nonnull-attribute -fno-sanitize-recover=all -fsanitize-recover=unsigned-integer-overflow -fsanitize-address-use-after-scope"</span></span>
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<pre style="margin: 0;">+<span id="LC513" class="line" lang="yaml"></span>
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<pre style="margin: 0;">+<span id="LC514" class="line" lang="yaml"><span class="c1" style="color: #998; font-style: italic;"># This is from OSS-Fuzz (20.12.2019)</span></span>
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<pre style="margin: 0;">+<span id="LC515" class="line" lang="yaml"> <span class="pi">-</span> <span class="s" style="color: #d14;">export CFLAGS="-std=c99 -O1 -g -Werror -fno-omit-frame-pointer -fsanitize=array-bounds,bool,builtin,enum,float-divide-by-zero,function,integer-divide-by-zero,null,object-size,return,returns-nonnull-attribute,shift,signed-integer-overflow,unsigned-integer-overflow,unreachable,vla-bound,vptr,address,leak,alignment -fno-sanitize-recover=all -fsanitize-recover=unsigned-integer-overflow -fsanitize-address-use-after-scope"</span></span>
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<pre style="margin: 0;">+<span id="LC516" class="line" lang="yaml"></span>
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<pre style="margin: 0;">+<span id="LC517" class="line" lang="yaml"> <span class="pi">-</span> <span class="s" style="color: #d14;">export CXXFLAGS="$CFLAGS"</span></span>
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<pre style="margin: 0;">+<span id="LC518" class="line" lang="yaml"></span>
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<pre style="margin: 0;">+<span id="LC519" class="line" lang="yaml"><span class="c1" style="color: #998; font-style: italic;"># --disable-tls13-interop because tests/suite/testcompat-tls13-openssl.sh fails with clang sanitizers </span></span>
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<p dir="auto">I accidentally had <code>--disable-tls13-interop</code> in my ASAN tests, that why they succeeded.</p>
<p dir="auto"><code>testcompat-tls13-openssl.sh</code> fails even with the most basic address sanitize options. Tested with clang-8, clang-9 and clang-10. The sanitizer itself doesn't trigger. So there must be some subtleties going on - not sure why OSS-Fuzz with it's many projects doesn't stumble upon it somewhere.</p>
<pre class="code highlight js-syntax-highlight plaintext" lang="plaintext" v-pre="true" style="background-color: #fff; font-family: monospace; font-size: 90%; -premailer-cellpadding: 0; -premailer-cellspacing: 0; -premailer-width: 100%; margin: 0;"><code><span id="LC1" class="line" lang="plaintext">CFLAGS="-fsanitize=address" CC=clang ./configure --disable-guile --disable-doc --disable-hardware-acceleration</span>
<span id="LC2" class="line" lang="plaintext">make clean</span>
<span id="LC3" class="line" lang="plaintext">make -j$(nproc)</span>
<span id="LC4" class="line" lang="plaintext">make check -j$(nproc) -C tests TESTS="setcredcrash"</span>
<span id="LC5" class="line" lang="plaintext">make check -j$(nproc) -C tests/suite TESTS=testcompat-tls13-openssl.sh</span></code></pre>
<p dir="auto">The setcredcrash line just builds everything in <code>tests/</code>, else <code>testcompat-tls13-openssl.sh</code> will SKIP. Like a dependency issue in <code>tests/suite/Makefile.am</code>.</p>
<p dir="auto">Either we leave the ASAN runner away or we use <code>--disable-tls13-interop</code> until we tracked down the real issue.</p>
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