Update vendored LibFuzzer to LLVM 22.x release#139
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rchildre3 wants to merge 1 commit intorust-fuzz:mainfrom
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Update vendored LibFuzzer to LLVM 22.x release#139rchildre3 wants to merge 1 commit intorust-fuzz:mainfrom
rchildre3 wants to merge 1 commit intorust-fuzz:mainfrom
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Last this was updated for the 20.x release. The changes in only the 21.x release is largely uninteresting for LibFuzzer. Just skip to the 22.x release. Specifically: * Tag: `llvmorg-22.1.0-rc2` * Commit: `a47b42eb9f9b302167b4fc413e6c92798d65dd0b` Major changes: * Fix out-of-sync Modules and ModulePCTable arrays when handling empty instrumented modules * Add `SIGTRAP` Handler to LibFuzzer's runtime, specifically for Swift's FatalError * Rework `StartRssThread` to fix deadlocks on Fuchsia * Address typos and various type castings to address static analysis warnings Full commit log: `git log --format=ref release/20.x..release/22.x -- 'compiler-rt/lib/fuzzer/'` ``` 9d18e92ee78c ([compiler-rt] Add CMake option to enable execute-only code generation on AArch64 (#140555), 2025-11-07) be6c5d066379 ([NFC] [compiler-rt] fix typos (#160803), 2025-09-27) b928695c2fb8 ([compiler-rt] fix typos (#160799), 2025-09-26) 3f52e97df77a (Fix libFuzzer array alignment with empty modules (#159661), 2025-09-18) 46fd8d0db2f7 (Reapply "[NFC] Fix CodeQL violations in compiler-rt. (#157793)" (#157913) (#159097), 2025-09-16) 8062b166762b (Revert "[NFC] Fix CodeQL violations in compiler-rt. (#157793)" (#157913), 2025-09-10) b44e6e01f7f7 ([NFC] Fix CodeQL violations in compiler-rt. (#157793), 2025-09-10) 316004764fe3 ([fuzzer][Fuchsia] Forward fix for undefined StartRssThread (#155514), 2025-08-26) 7153392a1089 (Reapply "[fuzzer][Fuchsia] Prevent deadlock from suspending threads" … (#155271), 2025-08-25) 781a4db6b50b (Revert "[fuzzer][Fuchsia] Prevent deadlock from suspending threads" (#155042), 2025-08-22) b9987503d2ed ([fuzzer][Fuchsia] Prevent deadlock from suspending threads (#154854), 2025-08-22) 03372c7782e6 (Revert "[libFuzzer] always install signal handler with SA_ONSTACK" (#153114), 2025-08-12) aee4f2baccdb ([libFuzzer] always install signal handler with SA_ONSTACK (#147422), 2025-08-09) 33cc58f46f0c ([compiler-rt][libFuzzer] Add support for capturing SIGTRAP exits. (#149120), 2025-07-28) f7cdff7bddcb ([compiler-rt] Include missing headers for libFuzzer (#146828), 2025-07-10) 7b6963ea672f ([compiler-rt] [Fuzzer] Fix tests linking buildbot failure (#144495), 2025-06-19) 6f4add34801e ([compiler-rt] [Fuzzer] Fix ARMv7 test link failure by linking unwinder (#144495), 2025-06-18) cd573e0a547d ([compiler-rt] Remove unused local variables (NFC) (#144010), 2025-06-12) ```
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Last this was updated for the 20.x release. The changes in only the 21.x release is largely uninteresting for LibFuzzer. Just skip to the 22.x release.
Specifically:
llvmorg-22.1.0-rc2a47b42eb9f9b302167b4fc413e6c92798d65dd0bMajor changes:
SIGTRAPHandler to LibFuzzer's runtime, specifically for Swift's FatalErrorStartRssThreadto fix deadlocks on FuchsiaFull commit log:
git log --format=ref release/20.x..release/22.x -- 'compiler-rt/lib/fuzzer/'