[compiler-rt] [compiler-rt][nsan] Make nsan output more user-friendly (PR #98798)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux` running on `sanitizer-buildbot2` while building `compiler-rt` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/66/builds/1488

Here is the relevant piece of the build log for the reference:
```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:60: note: linux feature available
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:36: note: lsan feature available
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:45: note: msan feature unavailable
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:60: note: linux feature available
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:36: note: lsan feature available
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:48: note: msan feature available
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:60: note: linux feature available
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 10001 tests, 80 workers --
Testing:  0.. 10..
FAIL: AddressSanitizer-i386-linux-dynamic :: TestCases/leaks.cpp (1817 of 10001)
******************** TEST 'AddressSanitizer-i386-linux-dynamic :: TestCases/leaks.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 4: /b/sanitizer-x86_64-linux/build/build_default/./bin/clang  --driver-mode=g++ -fsanitize=address -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -gline-tables-only  -m32  -shared-libasan -O0 /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp -o /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp
+ /b/sanitizer-x86_64-linux/build/build_default/./bin/clang --driver-mode=g++ -fsanitize=address -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -gline-tables-only -m32 -shared-libasan -O0 /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp -o /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp
/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp:16:16: warning: unknown attribute 'noopt' ignored [-Wunknown-attributes]
   16 | __attribute__((noopt)) void leak(int n) {
      |                ^~~~~
1 warning generated.
RUN: at line 5: not  /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 0 2>&1 | FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
+ not /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 0
+ FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
RUN: at line 6: not  /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 1 2>&1 | FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
+ not /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 1
+ FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
RUN: at line 7: not  /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 1000 2>&1 | FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
+ not /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 1000
+ FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
RUN: at line 8: not  /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 1000000 2>&1 | FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
+ FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
+ not /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 1000000
RUN: at line 9: not  /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 10000000 2>&1 | FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
+ not /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 10000000
+ FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp:37:11: error: CHECK: expected string not found in input
// CHECK: LeakSanitizer: detected memory leaks
          ^
<stdin>:1:1: note: scanning from here
t: 0xe2cd9800
^

Input file: <stdin>
Check file: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp

-dump-input=help explains the following input dump.

Step 9 (test compiler-rt symbolizer) failure: test compiler-rt symbolizer (failure)
...
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:60: note: linux feature available
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:36: note: lsan feature available
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:45: note: msan feature unavailable
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:60: note: linux feature available
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:36: note: lsan feature available
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:48: note: msan feature available
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/fuzzer/lit.cfg.py:60: note: linux feature available
llvm-lit: /b/sanitizer-x86_64-linux/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 10001 tests, 80 workers --
Testing:  0.. 10..
FAIL: AddressSanitizer-i386-linux-dynamic :: TestCases/leaks.cpp (1817 of 10001)
******************** TEST 'AddressSanitizer-i386-linux-dynamic :: TestCases/leaks.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 4: /b/sanitizer-x86_64-linux/build/build_default/./bin/clang  --driver-mode=g++ -fsanitize=address -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -gline-tables-only  -m32  -shared-libasan -O0 /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp -o /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp
+ /b/sanitizer-x86_64-linux/build/build_default/./bin/clang --driver-mode=g++ -fsanitize=address -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -gline-tables-only -m32 -shared-libasan -O0 /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp -o /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp
/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp:16:16: warning: unknown attribute 'noopt' ignored [-Wunknown-attributes]
   16 | __attribute__((noopt)) void leak(int n) {
      |                ^~~~~
1 warning generated.
RUN: at line 5: not  /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 0 2>&1 | FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
+ not /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 0
+ FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
RUN: at line 6: not  /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 1 2>&1 | FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
+ not /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 1
+ FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
RUN: at line 7: not  /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 1000 2>&1 | FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
+ not /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 1000
+ FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
RUN: at line 8: not  /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 1000000 2>&1 | FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
+ FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
+ not /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 1000000
RUN: at line 9: not  /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 10000000 2>&1 | FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
+ not /b/sanitizer-x86_64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/asan/I386LinuxDynamicConfig/TestCases/Output/leaks.cpp.tmp 10000000
+ FileCheck /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp
/b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp:37:11: error: CHECK: expected string not found in input
// CHECK: LeakSanitizer: detected memory leaks
          ^
<stdin>:1:1: note: scanning from here
t: 0xe2cd9800
^

Input file: <stdin>
Check file: /b/sanitizer-x86_64-linux/build/llvm-project/compiler-rt/test/asan/TestCases/leaks.cpp

-dump-input=help explains the following input dump.


```

https://github.com/llvm/llvm-project/pull/98798