[libcxx-commits] [clang] [clang-tools-extra] [compiler-rt] [libcxx] [libcxxabi] [libunwind] [lldb] [llvm] [mlir] [openmp] [NFC][CMake] quote ${CMAKE_SYSTEM_NAME} consistently (PR #154537)

Wed Aug 20 18:09:05 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-s390x-linux` running on `systemz-1` while building `clang-tools-extra,clang,compiler-rt,libcxx,libcxxabi,libunwind,lldb,llvm,mlir,offload,openmp,third-party` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/42/builds/5873

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 5 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'libFuzzer-s390x-default-Linux :: fuzzer-timeout.test' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/./bin/clang    -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta   --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/lib/fuzzer  /home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/TimeoutTest.cpp -o /home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest # RUN: at line 1
+ /home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/lib/fuzzer /home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/TimeoutTest.cpp -o /home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest
/home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/./bin/clang    -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta   --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/lib/fuzzer  /home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/TimeoutEmptyTest.cpp -o /home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutEmptyTest # RUN: at line 2
+ /home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/lib/fuzzer /home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/TimeoutEmptyTest.cpp -o /home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutEmptyTest
not  /home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 2>&1 | FileCheck /home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/fuzzer-timeout.test --check-prefix=TimeoutTest # RUN: at line 3
+ not /home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1
+ FileCheck /home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/fuzzer-timeout.test --check-prefix=TimeoutTest
not  /home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 /home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/hi.txt 2>&1 | FileCheck /home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/fuzzer-timeout.test --check-prefix=SingleInputTimeoutTest # RUN: at line 12
+ not /home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 /home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/hi.txt
+ FileCheck /home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/fuzzer-timeout.test --check-prefix=SingleInputTimeoutTest
/home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 -timeout_exitcode=0 # RUN: at line 16
+ /home/uweigand/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 -timeout_exitcode=0
INFO: Running with entropic power schedule (0xFF, 100).
INFO: Seed: 2147362777
INFO: Loaded 1 modules   (13 inline 8-bit counters): 13 [0x2aa354d0e70, 0x2aa354d0e7d), 
INFO: Loaded 1 PC tables (13 PCs): 13 [0x2aa354d0e80,0x2aa354d0f50), 
INFO: -max_len is not provided; libFuzzer will not generate inputs larger than 4096 bytes
INFO: A corpus is not provided, starting from an empty corpus
#2	INITED cov: 2 ft: 2 corp: 1/1b exec/s: 0 rss: 31Mb
#778	NEW    cov: 3 ft: 3 corp: 2/2b lim: 11 exec/s: 0 rss: 32Mb L: 1/1 MS: 1 ChangeByte-
#825	NEW    cov: 4 ft: 4 corp: 3/13b lim: 11 exec/s: 0 rss: 32Mb L: 11/11 MS: 2 ShuffleBytes-InsertRepeatedBytes-
#843	REDUCE cov: 4 ft: 4 corp: 3/10b lim: 11 exec/s: 0 rss: 32Mb L: 8/8 MS: 3 ChangeBinInt-CopyPart-EraseBytes-
#899	REDUCE cov: 4 ft: 4 corp: 3/6b lim: 11 exec/s: 0 rss: 32Mb L: 4/4 MS: 1 EraseBytes-
#1042	REDUCE cov: 4 ft: 4 corp: 3/5b lim: 11 exec/s: 0 rss: 32Mb L: 3/3 MS: 3 InsertByte-ChangeBit-EraseBytes-
#1078	REDUCE cov: 4 ft: 4 corp: 3/4b lim: 11 exec/s: 0 rss: 32Mb L: 2/2 MS: 1 EraseBytes-
#2039	NEW    cov: 5 ft: 5 corp: 4/10b lim: 17 exec/s: 0 rss: 32Mb L: 6/6 MS: 1 InsertRepeatedBytes-
#2115	REDUCE cov: 5 ft: 5 corp: 4/9b lim: 17 exec/s: 0 rss: 32Mb L: 5/5 MS: 1 EraseBytes-
#2381	REDUCE cov: 5 ft: 5 corp: 4/7b lim: 17 exec/s: 0 rss: 32Mb L: 3/3 MS: 1 EraseBytes-
#2617	REDUCE cov: 6 ft: 6 corp: 5/9b lim: 17 exec/s: 0 rss: 32Mb L: 2/3 MS: 1 EraseBytes-
ALARM: working on the last Unit for 1 seconds
       and the timeout value is 1 (use -timeout=N to change)
MS: 4 CrossOver-CopyPart-InsertByte-InsertByte-; base unit: 94dd9e08c129c785f7f256e82fbe0a30e6d1ae40
0x48,0x69,0x21,0x40,
Hi!@
artifact_prefix='./'; Test unit written to ./timeout-22832dc2cd298e319f1a5b32fe83ce9d99af9230
Base64: SGkhQA==
==1257058== ERROR: libFuzzer: timeout after 1 seconds
AddressSanitizer:DEADLYSIGNAL
=================================================================
AddressSanitizer:DEADLYSIGNAL
=================================================================
AddressSanitizer: CHECK failed: asan_report.cpp:227 "((current_error_.kind)) == ((kErrorKindInvalid))" (0x1, 0x0) (tid=1257058)
    <empty stack>

MS: 4 CrossOver-CopyPart-InsertByte-InsertByte-; base unit: 94dd9e08c129c785f7f256e82fbe0a30e6d1ae40
...

```

</details>

https://github.com/llvm/llvm-project/pull/154537