<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/133523>133523</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Ubuntu LLD 21.0.0 crash
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            lld
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          bemerguy
      </td>
    </tr>
</table>

<pre>
    0. Program arguments: /usr/lib/llvm-21/bin/ld.lld -mllvm -mcpu=cortex-a77 -EL -maarch64elf -z norelro -O2 --lto-O3 --strip-debug -mllvm -polly -mllvm -polly-run-dce -mllvm -polly-run-inliner -mllvm -polly-isl-arg=--no-schedule-serialize-sccs -mllvm -polly-ast-use-context -mllvm -polly-detect-keep-going -mllvm -polly-vectorizer=stripmine -mllvm -polly-invariant-load-hoisting -mllvm -inlinecold-threshold=3 -mllvm -import-instr-limit=1500 -mllvm -inline-threshold=50 -mllvm -inlinehint-threshold=270 -mllvm -inline-instr-cost=6 -mllvm -inline-cold-callsite-threshold=3 -mllvm -locally-hot-callsite-threshold=300 -mllvm -inline-enable-cost-benefit-analysis=true -mllvm -hot-cold-split=true -mllvm -enable-merge-functions=true -mllvm -enable-loopinterchange=true -mllvm -enable-unroll-and-jam=true -mllvm -enable-loop-flatten=true -mllvm --enable-loop-distribute=true -r -o vmlinux.o -T .tmp_lto.lds --whole-archive built-in.a --start-group arch/arm64/lib/lib.a lib/lib.a --end-group
1. Running pass "function<eager-inv>(loop-mssa(licm<allowspeculation>),gvn<>,memcpyopt,dse,move-auto-init,mldst-motion<no-split-footer-bb>,polly::CodePreparationPass,polly::FunctionToScopPassAdaptor<llvm::PassManager<Scop, ScopAnalysisManager, ScopStandardAnalysisResults &, SPMUpdater &>>,sroa<modify-cfg>,early-cse<memssa>,speculative-execution<only-if-divergent-target>,jump-threading,correlated-propagation,simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-hoist-loads-stores-with-cond-faulting;no-sink-common-insts;speculate-blocks;simplify-cond-branch;no-speculate-unpredictables>,instcombine<max-iterations=1;no-verify-fixpoint>,aggressive-instcombine,libcalls-shrinkwrap,tailcallelim,simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-hoist-loads-stores-with-cond-faulting;no-sink-common-insts;speculate-blocks;simplify-cond-branch;no-speculate-unpredictables>,reassociate,constraint-elimination,loop-mssa(loop-instsimplify,loop-simplifycfg,licm<no-allowspeculation>,loop-rotate<header-duplication;no-prepare-for-lto>,licm<allowspeculation>,simple-loop-unswitch<nontrivial;trivial>,loop-flatten),simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-hoist-loads-stores-with-cond-faulting;no-sink-common-insts;speculate-blocks;simplify-cond-branch;no-speculate-unpredictables>,instcombine<max-iterations=1;no-verify-fixpoint>,loop(loop-idiom,indvars,extra-simple-loop-unswitch-passes,loop-deletion,loop-interchange,loop-unroll-full),sroa<modify-cfg>,vector-combine,mldst-motion<no-split-footer-bb>,gvn<>,sccp,bdce,instcombine<max-iterations=1;no-verify-fixpoint>,jump-threading,correlated-propagation,adce,memcpyopt,dse,move-auto-init,loop-mssa(licm<allowspeculation>),coro-elide,simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;hoist-common-insts;no-hoist-loads-stores-with-cond-faulting;sink-common-insts;speculate-blocks;simplify-cond-branch;no-speculate-unpredictables>,instcombine<max-iterations=1;no-verify-fixpoint>,loop(loop-flatten,indvars,loop-deletion,loop-unroll-full),loop-distribute,loop-vectorize<no-interleave-forced-only;no-vectorize-forced-only;>,infer-alignment,loop(loop-unroll-and-jam),loop-unroll<O3>,transform-warning,sroa<preserve-cfg>,instcombine<max-iterations=1;no-verify-fixpoint>,simplifycfg<bonus-inst-threshold=1;forward-switch-cond;switch-range-to-icmp;switch-to-lookup;no-keep-loops;hoist-common-insts;no-hoist-loads-stores-with-cond-faulting;sink-common-insts;speculate-blocks;simplify-cond-branch;no-speculate-unpredictables>,sccp,instcombine<max-iterations=1;no-verify-fixpoint>,bdce,slp-vectorizer,vector-combine,infer-alignment,instcombine<max-iterations=1;no-verify-fixpoint>,loop-mssa(licm<allowspeculation>),alignment-from-assumptions,jump-threading)" on module "ld-temp.o"
2.      Running pass "adce" on function "sde_kms_prepare_commit"
 #0 0x00007d7e0de4236f llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x104236f)
 #1 0x00007d7e0de40079 llvm::sys::RunSignalHandlers() (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x1040079)
 #2 0x00007d7e0de42a8d (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x1042a8d)
 #3 0x00007d7e0c645330 (/lib/x86_64-linux-gnu/libc.so.6+0x45330)
 #4 0x00007d7e0ee1ee0b (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x201ee0b)
 #5 0x00007d7e0ee1d46a llvm::ADCEPass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x201d46a)
 #6 0x00007d7e115733f6 (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x47733f6)
 #7 0x00007d7e0dfe2e45 llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x11e2e45)
 #8 0x00007d7e1029e396 (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x349e396)
 #9 0x00007d7e0dfe70c6 llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x11e70c6)
#10 0x00007d7e1029eb96 (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x349eb96)
#11 0x00007d7e0dfe1a55 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x11e1a55)
#12 0x00007d7e0f6d5d53 llvm::lto::opt(llvm::lto::Config const&, llvm::TargetMachine*, unsigned int, llvm::Module&, bool, llvm::ModuleSummaryIndex*, llvm::ModuleSummaryIndex const*, std::vector<unsigned char, std::allocator<unsigned char>> const&) (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x28d5d53)
#13 0x00007d7e0f6d6554 llvm::lto::backend(llvm::lto::Config const&, std::function<llvm::Expected<std::unique_ptr<llvm::CachedFileStream, std::default_delete<llvm::CachedFileStream>>> (unsigned int, llvm::Twine const&)>, unsigned int, llvm::Module&, llvm::ModuleSummaryIndex&) (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x28d6554)
#14 0x00007d7e0f6c5b39 llvm::lto::LTO::runRegularLTO(std::function<llvm::Expected<std::unique_ptr<llvm::CachedFileStream, std::default_delete<llvm::CachedFileStream>>> (unsigned int, llvm::Twine const&)>) (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x28c5b39)
#15 0x00007d7e0f6c4fb6 llvm::lto::LTO::run(std::function<llvm::Expected<std::unique_ptr<llvm::CachedFileStream, std::default_delete<llvm::CachedFileStream>>> (unsigned int, llvm::Twine const&)>, llvm::FileCache) (/usr/lib/llvm-21/bin/../lib/libLLVM.so.21.0+0x28c4fb6)
#16 0x0000632b6e366e11 lld::elf::BitcodeCompiler::compile() (/usr/lib/llvm-21/bin/ld.lld+0x249e11)
#17 0x0000632b6e2f39a0 void lld::elf::LinkerDriver::compileBitcodeFiles<llvm::object::ELFType<(llvm::endianness)1, true>>(bool) (/usr/lib/llvm-21/bin/ld.lld+0x1d69a0)
#18 0x0000632b6e2da099 void lld::elf::LinkerDriver::link<llvm::object::ELFType<(llvm::endianness)1, true>>(llvm::opt::InputArgList&) (/usr/lib/llvm-21/bin/ld.lld+0x1bd099)
#19 0x0000632b6e2c4684 lld::elf::LinkerDriver::linkerMain(llvm::ArrayRef<char const*>) (/usr/lib/llvm-21/bin/ld.lld+0x1a7684)
#20 0x0000632b6e2c11c9 lld::elf::link(llvm::ArrayRef<char const*>, llvm::raw_ostream&, llvm::raw_ostream&, bool, bool) (/usr/lib/llvm-21/bin/ld.lld+0x1a41c9)
#21 0x0000632b6e1ed9f3 lld::unsafeLldMain(llvm::ArrayRef<char const*>, llvm::raw_ostream&, llvm::raw_ostream&, llvm::ArrayRef<lld::DriverDef>, bool) (/usr/lib/llvm-21/bin/ld.lld+0xd09f3)
#22 0x0000632b6e1ecc84 lld_main(int, char**, llvm::ToolContext const&) (/usr/lib/llvm-21/bin/ld.lld+0xcfc84)
#23 0x0000632b6e1ed2d3 main (/usr/lib/llvm-21/bin/ld.lld+0xd02d3)
#24 0x00007d7e0c62a1ca __libc_start_call_main ./csu/../sysdeps/nptl/libc_start_call_main.h:74:3
#25 0x00007d7e0c62a28b call_init ./csu/../csu/libc-start.c:128:20
#26 0x00007d7e0c62a28b __libc_start_main ./csu/../csu/libc-start.c:347:5
#27 0x0000632b6e1ec8b5 _start (/usr/lib/llvm-21/bin/ld.lld+0xcf8b5)
../scripts/link-vmlinux.sh: line 101: 129364 Segmentation fault      (core dumped) ${LDFINAL} ${KBUILD_LDFLAGS} -r -o ${1} $(lto_lds) ${objects}

I think I'm "tunning" too much? lol
/usr/lib/llvm-21/bin/ld.lld -mllvm -mcpu=cortex-a77 -EL -maarch64elf -z norelro -O2 --lto-O3 --strip-debug -mllvm -polly -mllvm -polly-run-dce -mllvm -polly-run-inliner -mllvm -polly-isl-arg=--no-schedule-serialize-sccs -mllvm -polly-ast-use-context -mllvm -polly-detect-keep-going -mllvm -polly-vectorizer=stripmine -mllvm -polly-invariant-load-hoisting -mllvm -inlinecold-threshold=3  -mllvm -import-instr-limit=1500  -mllvm -inline-threshold=50  -mllvm -inlinehint-threshold=270  -mllvm -inline-instr-cost=6  -mllvm -inline-cold-callsite-threshold=3  -mllvm -locally-hot-callsite-threshold=300 -mllvm -inline-enable-cost-benefit-analysis=true  -mllvm -hot-cold-split=true -mllvm -enable-merge-functions=true -mllvm -enable-loopinterchange=true -mllvm -enable-unroll-and-jam=true -mllvm -enable-loop-flatten=true -mllvm --enable-loop-distribute=true -r -o vmlinux.o -T .tmp_lto.lds --whole-archive built-in.a                                  --start-group arch/arm64/lib/lib.a  lib/lib.a --end-group

</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJzsWltv27i2_jXMi0BDIn19yINjJ-cUJz0tmsx-NShyyeaEIrVJyknm12-QkiNZcVunzWDPDFoMpjK5uC7funCRJXNObjXAJZpcocn6gtV-Z-xlDiXYbf18kRvxfJmOks_WbC0rE2a3dQnaO0SXCSI3tbOI3CiZh_-rfYlJhshNLnX4LUZKiQSXYSLBJa9qRNfcWA9PmM1mCb6-TXDJmOW76RhUkeA_Em0sKGsS_IkkGCtv8CeaYOy8lRUWkNfbF4aVUer5-Be2tcaCw4lRqZXUYAcz0inM7BbRNcbaYMd3IGoF2IGVTMk_ADvO3WARcx7XDjA32sOTH8wK8MA9fgCo8NZIPVAY74F7Y-UfYBFdR7tKqYcaS71nVjLtsTJM4J2RzvdZNdZwowT2OwtuZ5RAdE07grIy1mOpnbdYyVJ6RNfZJE0HLI6WT4azO6n9EQWZvWLQiODGBQnT4WxUkTOlnPTwFV2VCQTPeGf8V0hfqw2a5QqiWJyDhkJ6zDRTz046RNfe1h2kkW_Qw1Uq4nA023IKAQ-4qDX30uhXPFoqZUwltQfLd0xv4StUtbZGKcy0wL-z8huscKGY96CHJEc0QoYoyWvfibMJNsm-VFLXTyOT4Ptk5Mtqo7wZKeESjB93RgEOmSX3kOS1VCEWRiymErMeb62pqyQQIHLDbDkdd3ks8xFL-t9BH9EsQekyGyVfaq1DOFbMuQQRcoAN0RWwLdgQv4heIzKPFpTOsfAteYnoiillHl0FvFasWXSNyAKR1XYfGMSfqxJKXj2byiOyEg7CiNkDZrU3WGoZhkslnMelaQWH9A3-xYUxHizO84ZTTChEl4guV0bAZwsVs1HwZ-bcMcFNa8e9ueOmCvNLwSpvLKKr4JmGKox_ZDoYiugqUCKySsLfyzYCD7Pt8J1nWjArDtNfwNXKB-SmkeTzx98qwTzYOEKvG8WdNQzRVWmELJ4xL7bNMDCrnjF3EOYgQtuQHxDdA4Yn4HWLi9GhnhRYyH0I8ZDQzG7BN6t-r8sq5hoTUm8RWXFjLSjmQeDKmoptGx-RlZNlpWTxHBVZ5UbXLub-UaZmiF5pgwtjH5kV2D1Kz3ehUApEr9pfNmQODn7kZdXQtzPehIh_qMNorJ8helxDEksg5qYsjY5yj8ZDlXTYeWPB4UfpG5m4YLUKdbOVIvXDkMMBNcC5MvwhDrWGNixyyzTftQxeiGtdWRCS-5CmroEysOSmzKWOrmFPWHpoIs110OzBBt6FfKqM1K0X2HZrwbnguj4XslIyjxURu52V-uHRshBrnkkVhkHJ8pdnvu8ZC8w5wyXzECM87FgsbG0BQKkPEX5Uq8J3VKWVeZjvgx38E0uaNvhkVWuWWOODZLraARNgsagrJXlLFbSvYk2C4JzQ8rRLv1EtG5e3-0OtGydFPbS3ci-ZQvTq5etFkcNuE6vtr6j58_I52PkSREKaMrITe2bDhgNP3jJ8yoU4bKjgDv4SoKAfm_3Oox1qW42iVqp16-ldo-k6cVdZztw9-3uy4zxUn1xw-Dl4zt90WCPrjG7gLY0GN9aE3BfwX86Dn02Cv0cGvJSdXg6cjO9XwTzsf9uRlyNUE7gxLRSwfaygHAQOPc9BuZZ0MHUwsACLmZJbHU61A70HbXynUTOB6OoTbfh4y7QrjC3xI7O6iek2ESsLDuweulT8CVTPjtU3BeqJKNUG_50Cta1MP4FsW9ScqvoH9BN183XI_GSWnFu0XkTiwpoSM-fqsmqEvK6oC0RIYnRSGlErCEc0JbCHshoZRAhKl2SUxD_Dk1xTcOPaw6EuDDsBm4fSbdpOZRNcGcpuYJUgQtMkfUrTNJ2JGaQCxoROi6Q7Mbln1x6drNT-zjP-cG9ZkDTviCx73BjnLYRciwejgBNZJIjMv3PVNBr1T6-3t__6OHJmRLJRishV-pSlUaEAS6NuNlA3TWeLU-p-qfWd3Gqm_pdpoSBUrvl7aRRkdhqRIYBsLt7HcDYXnRjaF8On4wmlaSum4fI0n26mYxxvFvBW180ED1ynkWVc0jEc9xkCZABp_vN6kzQy6sRMBmLEeMp6DluuV9fxNN8EUq2PAutwqm-jqrdscFzvH_JfFoX8m76L00ka9e6smvasyrLJjNJi-vNixrPIqBMzO4qtAgiMJ8nXrjNOwfYjmIX__srOyLKIQ4fSvO-MlCyALt7BGXQcGXViFgNnzFI-7aHwMRbse3Ow-OgO6hSezYI3odkueVcsgxmNkaG8pkMs8_fCMl_0xGQDLDM2OSewD5C9Ha-vBfVfxAnB_g6doy2lmIqJmNCecvGiIXzEY9X8xMTK6EJuk3hf8sq2-3iJ-JHxXeyLlmG21vFfk0Szca9ehXXLJDdGnZq-q8uS2ecPWsBTy_FbJAfFIqHzoqFrGjZEVy_K8B2zRyShxeLsFFV0cc_g9yj68wh85xY6cMt0MhmfckvO-ANocbZrXszrXcZ3K6-fKuAeBKKrF8Jay3_XsKn8cWSuGN-BuJEK7tpmrMdcQOzqN_HoBt9e1ybMdQDx66Fx_yg19DFvWuNzg-nbQfRuPgxe6nw4PvYhn-R0ccqHt_efXgrGF9jWitkwROb_LGe9C8QRxA7iyQDicZFPvwfxPw7YPkVgGZm_F94B0Q7vQy86pSSfAp1OIcsSpVqDQRXNx5X03AhYmbKSCtqehDe_zj4cNS8DGj3GC8iyTo3ZkRqkoAuWJnsjxQldbqV-ALu2cj9QpFUyIOaOnGPy34H7NhZub-6fq-C8oxILWkimNTiHyCILLvC2Pmz-ZN7sXW80MhPTBUs7I-fHRgqWLhbnG6mkfnhnq3q8qpbRB13Vfmm3t_INe2Hf5lyki14-L45t5uPpfHy2uWA_Mnncci2tZc9foEB0Fbburhk4tyD1dWWz6bwr7yQd6JplfHFC1-iIs3Xq5_Lrq45vzR36pR-LPTbOeOcHkh3ZloFYFLSzrdaOFXCrxNvw_nHbTgp4UaeJg3UYvP5hBES6KLr-i5ABAJw3gbgpG5Pb0tx0jctXfei9MWrVPvx5W6PYU4kXvB9vdOgTImgS1HmroUT0DB0f3_UQlnGWbDZK5nwTH4FsOFMqmp2EzYK7-rBvuGcnoHKI3OjKq_YOaLhotEN0ORsjuqStxMlQIpnnSaSXWvqhkOYzcG7epIw4osuMzBFdkrTlOD3F8ciGU-qf5EzHM0SXk5bxbBgF83ySNCzf6sp53h66Gui4lZV3cal-wIdHOi6AlaiwyWdpFr4zsqDTcXIH2xK0j3e9SewqmotZRObcWEhEXVYgmggbo9nV7frmw_8vb9Fs3Q7839VvH27Xm9v1ze3yf-7CePM8qJnNDoRkrrzZKOE6Vs2-4dBsHUBJlx8Sv5P6IfmAyKxMECG-uRxGhCTemKSs-Q7Rm0QZFVH89frvr_b674znf995_3fOA8DvvAB8yxPAP_0N4K9HgCceAX73z9mvBL_xTPBCXFKxoAt2AZfZbEyzxWw-G1_sLucwniyAFuPZnBezWZ5Pcxo2PQHZtKB8fiEvSUomKSVzktHZZDwiY06yjBMBxSSnswKNUyiZVKMA1MjY7YV0robLjNIJoReK5aBcfNJMSKzTBE3WF_Yy1qi83jo0TpV03nUMvPQKLn_La-3r5PZ2nYST0ihNuGVud1Fbdbnzvor_wEBuELnZSr-r8xE3ZVv7DiWwsiZ24-Qm6hQ2glat_SX5TwAAAP__ZTSgwg">