[llvm] [ORC] Add utilities for limited symbolication of JIT backtraces (PR #175099)
LLVM Continuous Integration via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 8 21:55:07 PST 2026
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-asan` running on `sanitizer-buildbot8` while building `llvm` at step 2 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/24/builds/16396
<details>
<summary>Here is the relevant piece of the build log for the reference</summary>
```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/main.py:74: 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: 93874 tests, 72 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50..
FAIL: LLVM :: ExecutionEngine/JITLink/Generic/backtrace-symbolication.ll (56893 of 93874)
******************** TEST 'LLVM :: ExecutionEngine/JITLink/Generic/backtrace-symbolication.ll' FAILED ********************
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 1
rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp && mkdir -p /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp
# executed command: rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp
# note: command had no output on stdout or stderr
# executed command: mkdir -p /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp
# note: command had no output on stdout or stderr
# RUN: at line 2
/home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -relocation-model=pic -filetype=obj -o /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.o /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/test/ExecutionEngine/JITLink/Generic/backtrace-symbolication.ll
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -relocation-model=pic -filetype=obj -o /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.o /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/test/ExecutionEngine/JITLink/Generic/backtrace-symbolication.ll
# note: command had no output on stdout or stderr
# RUN: at line 3
not --crash /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-jitlink -debugger-support=false -write-symtab /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.symtab.txt /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.o > /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/backtrace.txt 2>&1
# executed command: not --crash /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-jitlink -debugger-support=false -write-symtab /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.symtab.txt /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.o
# .---redirected output from '/home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/backtrace.txt'
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# | Stack dump:
# | 0. Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-jitlink -debugger-support=false -write-symtab /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.symtab.txt /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.o
# | Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
# | 0 llvm-jitlink 0x0000c83531f0cc14 __interceptor_backtrace + 76
# | 1 llvm-jitlink 0x0000c835331d2d28 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 264
# | 2 llvm-jitlink 0x0000c835331ce294 llvm::sys::RunSignalHandlers() + 192
# | 3 llvm-jitlink 0x000
# | ...
# `---data was truncated--------
# note: command had no output on stdout or stderr
# error: command failed with exit status: 1
--
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
Slowest Tests:
--------------------------------------------------------------------------
Step 11 (stage2/asan check) failure: stage2/asan check (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:561: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/main.py:74: 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: 93874 tests, 72 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50..
FAIL: LLVM :: ExecutionEngine/JITLink/Generic/backtrace-symbolication.ll (56893 of 93874)
******************** TEST 'LLVM :: ExecutionEngine/JITLink/Generic/backtrace-symbolication.ll' FAILED ********************
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 1
rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp && mkdir -p /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp
# executed command: rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp
# note: command had no output on stdout or stderr
# executed command: mkdir -p /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp
# note: command had no output on stdout or stderr
# RUN: at line 2
/home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -relocation-model=pic -filetype=obj -o /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.o /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/test/ExecutionEngine/JITLink/Generic/backtrace-symbolication.ll
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/llc -relocation-model=pic -filetype=obj -o /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.o /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/llvm/test/ExecutionEngine/JITLink/Generic/backtrace-symbolication.ll
# note: command had no output on stdout or stderr
# RUN: at line 3
not --crash /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-jitlink -debugger-support=false -write-symtab /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.symtab.txt /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.o > /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/backtrace.txt 2>&1
# executed command: not --crash /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-jitlink -debugger-support=false -write-symtab /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.symtab.txt /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.o
# .---redirected output from '/home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/backtrace.txt'
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# | Stack dump:
# | 0. Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-jitlink -debugger-support=false -write-symtab /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.symtab.txt /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/test/ExecutionEngine/JITLink/Generic/Output/backtrace-symbolication.ll.tmp/crash.o
# | Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
# | 0 llvm-jitlink 0x0000c83531f0cc14 __interceptor_backtrace + 76
# | 1 llvm-jitlink 0x0000c835331d2d28 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 264
# | 2 llvm-jitlink 0x0000c835331ce294 llvm::sys::RunSignalHandlers() + 192
# | 3 llvm-jitlink 0x000
# | ...
# `---data was truncated--------
# note: command had no output on stdout or stderr
# error: command failed with exit status: 1
--
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
Slowest Tests:
--------------------------------------------------------------------------
```
</details>
https://github.com/llvm/llvm-project/pull/175099
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