[PATCH] D156468: [lld-macho] Fixed crashes when linking with incompatible-arch archives/
Vy Nguyen via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 8 06:48:20 PDT 2023
oontvoo added a comment.
In D156468#4567838 <https://reviews.llvm.org/D156468#4567838>, @gulfem wrote:
> We started seeing a segmentation fault after this patch in our `mac` builders.
>
> [12554/40876](1) RUST host_x64/netstack3_core_instrumented_lib_test host_x64/exe.unstripped/netstack3_core_instrumented_lib_test
> FAILED: host_x64/netstack3_core_instrumented_lib_test host_x64/exe.unstripped/netstack3_core_instrumented_lib_test
> PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
> Stack dump:
> #0 0x0000000107d536d8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/s/w/ir/x/w/fuchsia/out/not-default/../../prebuilt/third_party/clang/mac-x64/bin/ld64.lld+0x1057e16d8)
> #1 0x0000000107d515c9 llvm::sys::RunSignalHandlers() (/opt/s/w/ir/x/w/fuchsia/out/not-default/../../prebuilt/third_party/clang/mac-x64/bin/ld64.lld+0x1057df5c9)
> #2 0x0000000107d53d66 SignalHandler(int) (/opt/s/w/ir/x/w/fuchsia/out/not-default/../../prebuilt/third_party/clang/mac-x64/bin/ld64.lld+0x1057e1d66)
> #3 0x00007fff70b215fd (/usr/lib/system/libsystem_platform.dylib+0x7fff673fc5fd)
> #4 0x0000000000000000
> #5 0x00000001077bf1d2 llvm::object::ArchiveMemberHeader::getSize() const (/opt/s/w/ir/x/w/fuchsia/out/not-default/../../prebuilt/third_party/clang/mac-x64/bin/ld64.lld+0x10524d1d2)
> #6 0x00000001077c09cf llvm::object::Archive::Child::getName() const (/opt/s/w/ir/x/w/fuchsia/out/not-default/../../prebuilt/third_party/clang/mac-x64/bin/ld64.lld+0x10524e9cf)
> #7 0x00000001077c149e llvm::object::Archive::Child::getMemoryBufferRef() const (/opt/s/w/ir/x/w/fuchsia/out/not-default/../../prebuilt/third_party/clang/mac-x64/bin/ld64.lld+0x10524f49e)
> #8 0x0000000104e9cf7b lld::macho::ArchiveFile::addLazySymbols() (/opt/s/w/ir/x/w/fuchsia/out/not-default/../../prebuilt/third_party/clang/mac-x64/bin/ld64.lld+0x10292af7b)
> #9 0x0000000104e835c6 addFile(llvm::StringRef, LoadType, bool, bool, bool, bool) (/opt/s/w/ir/x/w/fuchsia/out/not-default/../../prebuilt/third_party/clang/mac-x64/bin/ld64.lld+0x1029115c6)
> #10 0x0000000104e80852 lld::macho::link(llvm::ArrayRef<char const*>, llvm::raw_ostream&, llvm::raw_ostream&, bool, bool) (/opt/s/w/ir/x/w/fuchsia/out/not-default/../../prebuilt/third_party/clang/mac-x64/bin/ld64.lld+0x10290e852)
> #11 0x000000010537f33f lld::unsafeLldMain(llvm::ArrayRef<char const*>, llvm::raw_ostream&, llvm::raw_ostream&, llvm::ArrayRef<lld::DriverDef>, bool) (/opt/s/w/ir/x/w/fuchsia/out/not-default/../../prebuilt/third_party/clang/mac-x64/bin/ld64.lld+0x102e0d33f)
> #12 0x000000010263af99 lld_main(int, char**, llvm::ToolContext const&) (/opt/s/w/ir/x/w/fuchsia/out/not-default/../../prebuilt/third_party/clang/mac-x64/bin/ld64.lld+0x1000c8f99)
> #13 0x00000001028474bb findTool(int, char**, char const*) (/opt/s/w/ir/x/w/fuchsia/out/not-default/../../prebuilt/third_party/clang/mac-x64/bin/ld64.lld+0x1002d54bb)
> #14 0x00007fff70928cc9 (/usr/lib/system/libdyld.dylib+0x7fff67203cc9)
> #15 0x000000000000009f
> clang++: error: unable to execute command: Segmentation fault: 11
> clang++: error: linker command failed due to signal (use -v to see invocation)
>
> https://ci.chromium.org/ui/p/fuchsia/builders/ci/clang_toolchain.ci.core.x64-host_test_only-mac-subbuild/b8773677091545805297/overview
Yes, this is caused by the issue described in https://reviews.llvm.org/D157300
Repository:
rG LLVM Github Monorepo
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https://reviews.llvm.org/D156468/new/
https://reviews.llvm.org/D156468
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