[llvm] [TypeSanitizer] Use alloca size for lifetime markers (PR #152154)

Thu Aug 7 06:17:54 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-arm-ubuntu` running on `linaro-lldb-arm-ubuntu` while building `llvm` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/18/builds/20206

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

```
Step 6 (test) failure: build (failure)
...
UNSUPPORTED: lldb-api :: tools/lldb-dap/exception/objc/TestDAP_exception_objc.py (1202 of 3616)
PASS: lldb-api :: tools/lldb-dap/disconnect/TestDAP_disconnect.py (1203 of 3616)
UNSUPPORTED: lldb-api :: tools/lldb-dap/extendedStackTrace/TestDAP_extendedStackTrace.py (1204 of 3616)
PASS: lldb-api :: tools/lldb-dap/exception/cpp/TestDAP_exception_cpp.py (1205 of 3616)
PASS: lldb-api :: tools/lldb-dap/instruction-breakpoint/TestDAP_instruction_breakpoint.py (1206 of 3616)
PASS: lldb-api :: tools/lldb-dap/io/TestDAP_io.py (1207 of 3616)
PASS: lldb-api :: tools/lldb-dap/locations/TestDAP_locations.py (1208 of 3616)
PASS: lldb-api :: tools/lldb-dap/module-event/TestDAP_module_event.py (1209 of 3616)
PASS: lldb-api :: tools/lldb-dap/evaluate/TestDAP_evaluate.py (1210 of 3616)
UNRESOLVED: lldb-api :: tools/lldb-dap/memory/TestDAP_memory.py (1211 of 3616)
******************** TEST 'lldb-api :: tools/lldb-dap/memory/TestDAP_memory.py' FAILED ********************
Script:
--
/usr/bin/python3.10 /home/tcwg-buildbot/worker/lldb-arm-ubuntu/llvm-project/lldb/test/API/dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./lib --env LLVM_INCLUDE_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/include --env LLVM_TOOLS_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin --arch armv8l --build-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex --lldb-module-cache-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api --clang-module-cache-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-api --executable /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/lldb --compiler /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/clang --dsymutil /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/dsymutil --make /usr/bin/gmake --llvm-tools-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin --lldb-obj-root /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/tools/lldb --lldb-libs-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./lib --cmake-build-type Release /home/tcwg-buildbot/worker/lldb-arm-ubuntu/llvm-project/lldb/test/API/tools/lldb-dap/memory -p TestDAP_memory.py
--
Exit Code: 1

Command Output (stdout):
--
lldb version 22.0.0git (https://github.com/llvm/llvm-project.git revision dbfc3ed69088a88bffc20b16ce315746dd30fa28)
  clang revision dbfc3ed69088a88bffc20b16ce315746dd30fa28
  llvm revision dbfc3ed69088a88bffc20b16ce315746dd30fa28
Skipping the following test categories: ['libc++', 'msvcstl', 'dsym', 'gmodules', 'debugserver', 'objc']

--
Command Output (stderr):
--
========= DEBUG ADAPTER PROTOCOL LOGS =========
1754572316.029004574 (stdio) --> {"command":"initialize","type":"request","arguments":{"adapterID":"lldb-native","clientID":"vscode","columnsStartAt1":true,"linesStartAt1":true,"locale":"en-us","pathFormat":"path","supportsRunInTerminalRequest":true,"supportsVariablePaging":true,"supportsVariableType":true,"supportsStartDebuggingRequest":true,"supportsProgressReporting":true,"$__lldb_sourceInitFile":false},"seq":1}
1754572316.033314228 (stdio) <-- {"body":{"$__lldb_version":"lldb version 22.0.0git (https://github.com/llvm/llvm-project.git revision dbfc3ed69088a88bffc20b16ce315746dd30fa28)\n  clang revision dbfc3ed69088a88bffc20b16ce315746dd30fa28\n  llvm revision dbfc3ed69088a88bffc20b16ce315746dd30fa28","completionTriggerCharacters":["."," ","\t"],"exceptionBreakpointFilters":[{"description":"C++ Catch","filter":"cpp_catch","label":"C++ Catch","supportsCondition":true},{"description":"C++ Throw","filter":"cpp_throw","label":"C++ Throw","supportsCondition":true},{"description":"Objective-C Catch","filter":"objc_catch","label":"Objective-C Catch","supportsCondition":true},{"description":"Objective-C Throw","filter":"objc_throw","label":"Objective-C Throw","supportsCondition":true}],"supportTerminateDebuggee":true,"supportsBreakpointLocationsRequest":true,"supportsCancelRequest":true,"supportsCompletionsRequest":true,"supportsConditionalBreakpoints":true,"supportsConfigurationDoneRequest":true,"supportsDataBreakpoints":true,"supportsDelayedStackTraceLoading":true,"supportsDisassembleRequest":true,"supportsEvaluateForHovers":true,"supportsExceptionFilterOptions":true,"supportsExceptionInfoRequest":true,"supportsFunctionBreakpoints":true,"supportsHitConditionalBreakpoints":true,"supportsInstructionBreakpoints":true,"supportsLogPoints":true,"supportsModulesRequest":true,"supportsReadMemoryRequest":true,"supportsSetVariable":true,"supportsSteppingGranularity":true,"supportsValueFormattingOptions":true,"supportsWriteMemoryRequest":true},"command":"initialize","request_seq":1,"seq":0,"success":true,"type":"response"}
1754572316.036969185 (stdio) --> {"command":"launch","type":"request","arguments":{"program":"/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/memory/TestDAP_memory.test_memory_refs_evaluate/a.out","initCommands":["settings clear --all","settings set symbols.enable-external-lookup false","settings set target.inherit-tcc true","settings set target.disable-aslr false","settings set target.detach-on-error false","settings set target.auto-apply-fixits false","settings set plugin.process.gdb-remote.packet-timeout 60","settings set symbols.clang-modules-cache-path \"/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api\"","settings set use-color false","settings set show-statusline false"],"disableASLR":false,"enableAutoVariableSummaries":false,"enableSyntheticChildDebugging":false,"displayExtendedBacktrace":false},"seq":2}
1754572316.037371159 (stdio) <-- {"body":{"category":"console","output":"Running initCommands:\n"},"event":"output","seq":0,"type":"event"}
1754572316.037408113 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings clear --all\n"},"event":"output","seq":0,"type":"event"}
1754572316.037420034 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set symbols.enable-external-lookup false\n"},"event":"output","seq":0,"type":"event"}
1754572316.037430525 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set target.inherit-tcc true\n"},"event":"output","seq":0,"type":"event"}
1754572316.037440538 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set target.disable-aslr false\n"},"event":"output","seq":0,"type":"event"}
1754572316.037451029 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set target.detach-on-error false\n"},"event":"output","seq":0,"type":"event"}
1754572316.037460804 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set target.auto-apply-fixits false\n"},"event":"output","seq":0,"type":"event"}
1754572316.037471294 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set plugin.process.gdb-remote.packet-timeout 60\n"},"event":"output","seq":0,"type":"event"}
1754572316.037504911 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set symbols.clang-modules-cache-path \"/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api\"\n"},"event":"output","seq":0,"type":"event"}
1754572316.037516117 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set use-color false\n"},"event":"output","seq":0,"type":"event"}
1754572316.037526608 (stdio) <-- {"body":{"category":"console","output":"(lldb) settings set show-statusline false\n"},"event":"output","seq":0,"type":"event"}
1754572316.827390909 (stdio) <-- {"command":"launch","request_seq":2,"seq":0,"success":true,"type":"response"}
1754572316.827458858 (stdio) <-- {"event":"initialized","seq":0,"type":"event"}
1754572316.827685833 (stdio) <-- {"body":{"module":{"addressRange":"0xef19e000","debugInfoSize":"983.3KB","id":"253BA35E-436C-EC85-2949-CBD09E38AFEE-11B460BF","name":"ld-linux-armhf.so.3","path":"/usr/lib/arm-linux-gnueabihf/ld-linux-armhf.so.3","symbolFilePath":"/usr/lib/arm-linux-gnueabihf/ld-linux-armhf.so.3","symbolStatus":"Symbols loaded."},"reason":"new"},"event":"module","seq":0,"type":"event"}
1754572316.829273939 (stdio) --> {"command":"setBreakpoints","type":"request","arguments":{"source":{"name":"main.cpp","path":"main.cpp"},"sourceModified":false,"lines":[6],"breakpoints":[{"line":6}]},"seq":3}
1754572316.831146002 (stdio) <-- {"body":{"module":{"addressRange":"0x2530000","debugInfoSize":"1.2KB","id":"F2AB20D4","name":"a.out","path":"/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/memory/TestDAP_memory.test_memory_refs_evaluate/a.out","symbolFilePath":"/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/memory/TestDAP_memory.test_memory_refs_evaluate/a.out","symbolStatus":"Symbols loaded."},"reason":"new"},"event":"module","seq":0,"type":"event"}
1754572316.849509478 (stdio) <-- {"body":{"breakpoints":[{"column":3,"id":1,"instructionReference":"0x2540640","line":7,"source":{"name":"main.cpp","path":"main.cpp"},"verified":true}]},"command":"setBreakpoints","request_seq":3,"seq":0,"success":true,"type":"response"}
1754572316.850083113 (stdio) <-- {"body":{"breakpoint":{"column":3,"id":1,"instructionReference":"0x2540640","line":7,"verified":true},"reason":"changed"},"event":"breakpoint","seq":0,"type":"event"}

```

</details>

https://github.com/llvm/llvm-project/pull/152154