[compiler-rt] [Fuzzer] Bump max RSS in fork tests (PR #203688)

via llvm-commits llvm-commits at lists.llvm.org
Sat Jun 13 01:35:02 PDT 2026


llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-compiler-rt-sanitizer

Author: Aiden Grossman (boomanaiden154)

<details>
<summary>Changes</summary>

These became flaky on at least one buildbot after enabling the internal shell by default:
1. https://lab.llvm.org/buildbot/#/builders/174/builds/36874
2. https://lab.llvm.org/buildbot/#/builders/174/builds/36876

Try bumping the max RSS to see if that helps.

---
Full diff: https://github.com/llvm/llvm-project/pull/203688.diff


2 Files Affected:

- (modified) compiler-rt/test/fuzzer/fork.test (+1-1) 
- (modified) compiler-rt/test/fuzzer/fork_corpus_groups.test (+1-1) 


``````````diff
diff --git a/compiler-rt/test/fuzzer/fork.test b/compiler-rt/test/fuzzer/fork.test
index f32000c2be9a3..e9af94f70035d 100644
--- a/compiler-rt/test/fuzzer/fork.test
+++ b/compiler-rt/test/fuzzer/fork.test
@@ -22,4 +22,4 @@ RUN: FileCheck %s --check-prefix=CRASH --input-file=%t-ShallowOOMDeepCrash.log
 
 MAX_TOTAL_TIME: INFO: fuzzed for {{.*}} seconds, wrapping up soon
 MAX_TOTAL_TIME: INFO: exiting: {{.*}} time:
-RUN: not %run %t-ShallowOOMDeepCrash -fork=1 -rss_limit_mb=128 -ignore_crashes=1 -max_total_time=30 2>&1 | FileCheck %s  --check-prefix=MAX_TOTAL_TIME
+RUN: not %run %t-ShallowOOMDeepCrash -fork=1 -rss_limit_mb=256 -ignore_crashes=1 -max_total_time=30 2>&1 | FileCheck %s  --check-prefix=MAX_TOTAL_TIME
diff --git a/compiler-rt/test/fuzzer/fork_corpus_groups.test b/compiler-rt/test/fuzzer/fork_corpus_groups.test
index 7027c767f7199..809fcc3986a81 100644
--- a/compiler-rt/test/fuzzer/fork_corpus_groups.test
+++ b/compiler-rt/test/fuzzer/fork_corpus_groups.test
@@ -22,4 +22,4 @@ RUN: FileCheck %s --check-prefix=CRASH --input-file=%t-ShallowOOMDeepCrash.log
 
 MAX_TOTAL_TIME: INFO: fuzzed for {{.*}} seconds, wrapping up soon
 MAX_TOTAL_TIME: INFO: exiting: {{.*}} time:
-RUN: not %run %t-ShallowOOMDeepCrash -fork=1 -fork_corpus_groups=1 -rss_limit_mb=128 -ignore_crashes=1 -max_total_time=30 2>&1 | FileCheck %s  --check-prefix=MAX_TOTAL_TIME
+RUN: not %run %t-ShallowOOMDeepCrash -fork=1 -fork_corpus_groups=1 -rss_limit_mb=256 -ignore_crashes=1 -max_total_time=30 2>&1 | FileCheck %s  --check-prefix=MAX_TOTAL_TIME

``````````

</details>


https://github.com/llvm/llvm-project/pull/203688


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