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List:       llvm-bugs
Subject:    [llvm-bugs] [Bug 65124] compiler-rt/test/fuzzer/fork.test is flaky on sanitizer-x86_64-linux-fuzzer
From:       LLVM Bugs via llvm-bugs <llvm-bugs () lists ! llvm ! org>
Date:       2023-08-30 21:30:34
Message-ID: 20230830213034.1dd5ae438aad4b3a () email ! llvm ! org
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<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/65124>65124</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            compiler-rt/test/fuzzer/fork.test is flaky on \
sanitizer-x86_64-linux-fuzzer  </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          MaskRay
      </td>
    </tr>
</table>

<pre>
    Its failure rate in the past few days is quite high. \
https://lab.llvm.org/buildbot/#/builders/75 Example failure message:

```
+ : &apos;RUN: at line 17&apos;
+ FileCheck /b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/compiler-rt/test/fuzzer/fork.test \
--check-prefix=CRASH + not \
/b/sanitizer-x86_64-linux-fuzzer/build/llvm_build0/runtimes/runtimes-bins/compiler-rt/test/fuzzer/X86_64LibcxxLinuxConfig/Output/fork.test.tmp-ShallowOOMDeepCrash \
                -fork=1 -rss_limit_mb=128
/b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/compiler-rt/test/fuzzer/fork.test:15:8: \
                error: CRASH: expected string not found in input
CRASH: {{SEGV|access-violation}} on unknown address 0x00000000
 ^
&lt;stdin&gt;:1:1: note: scanning from here
INFO: Running with entropic power schedule (0xFF, 100).
^
&lt;stdin&gt;:25:157: note: possible intended match here
Live Heap Allocations: 24204998 bytes in 79 chunks; quarantined: 41374468 bytes in \
62041 chunks; 127070 other chunks; total chunks: 189190; showing top 95% (at most 8 \
unique contexts)  ^

Input file: &lt;stdin&gt;
Check file: /b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/compiler-rt/test/fuzzer/fork.test
 ```
</pre>
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