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<base href="https://bugs.llvm.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Segfault in llvm-profdata (11.0.1)"
href="https://bugs.llvm.org/show_bug.cgi?id=49515">49515</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Segfault in llvm-profdata (11.0.1)
</td>
</tr>
<tr>
<th>Product</th>
<td>tools
</td>
</tr>
<tr>
<th>Version</th>
<td>11.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>support scripts
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>warchantua@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>greg.bedwell@sony.com, i@maskray.me, llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace.
Stack dump:
0. Program arguments: llvm-profdata llvm-profdata merge -o 1.profdata
deserialization_fuzz.profraw
#0 0x00007f194f1ea0db llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/usr/bin/../lib/libLLVM-11.so+0xa760db)
#1 0x00007f194f1e7e14 llvm::sys::RunSignalHandlers()
(/usr/bin/../lib/libLLVM-11.so+0xa73e14)
#2 0x00007f194f1e7f61 (/usr/bin/../lib/libLLVM-11.so+0xa73f61)
#3 0x00007f194e766960 __restore_rt (/usr/bin/../lib/libpthread.so.0+0x13960)
#4 0x00007f194e506470 __memchr_avx2 (/usr/bin/../lib/libc.so.6+0x15d470)
#5 0x00007f194f17839d llvm::StringRef::find(llvm::StringRef, unsigned long)
const (/usr/bin/../lib/libLLVM-11.so+0xa0439d)
#6 0x00007f194f178aa5
llvm::StringRef::split(llvm::SmallVectorImpl<llvm::StringRef>&,
llvm::StringRef, int, bool) const (/usr/bin/../lib/libLLVM-11.so+0xa04aa5)
#7 0x00007f1951ff8821 llvm::readPGOFuncNameStrings(llvm::StringRef,
llvm::InstrProfSymtab&) (/usr/bin/../lib/libLLVM-11.so+0x3884821)
#8 0x00007f19520000bb llvm::RawInstrProfReader<unsigned
long>::createSymtab(llvm::InstrProfSymtab&)
(/usr/bin/../lib/libLLVM-11.so+0x388c0bb)
#9 0x00007f19520003df llvm::RawInstrProfReader<unsigned
long>::readHeader(llvm::RawInstrProf::Header const&)
(/usr/bin/../lib/libLLVM-11.so+0x388c3df)
#10 0x00007f1952000789 llvm::RawInstrProfReader<unsigned
long>::readNextHeader(char const*) (/usr/bin/../lib/libLLVM-11.so+0x388c789)
#11 0x00007f1952003305 llvm::RawInstrProfReader<unsigned
long>::readNextRecord(llvm::NamedInstrProfRecord&)
(/usr/bin/../lib/libLLVM-11.so+0x388f305)
#12 0x00007f1951fff4c1 llvm::InstrProfIterator::Increment()
(/usr/bin/../lib/libLLVM-11.so+0x388b4c1)
#13 0x0000562297f1a8f3 (/usr/bin/llvm-profdata+0xf8f3)
#14 0x0000562297f2705c (/usr/bin/llvm-profdata+0x1c05c)
#15 0x0000562297f2abed (/usr/bin/llvm-profdata+0x1fbed)
#16 0x0000562297f1217a (/usr/bin/llvm-profdata+0x717a)
#17 0x00007f194e3d0b25 __libc_start_main (/usr/bin/../lib/libc.so.6+0x27b25)
#18 0x0000562297f123ce (/usr/bin/llvm-profdata+0x73ce)
[1] 331566 segmentation fault (core dumped) llvm-profdata merge -o
1.profdata deserialization_fuzz.profraw</pre>
</div>
</p>
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