<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/71036>71036</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [mlir][vector] --lower-vector-mask causes segmentation fault
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            mlir
      </td>
    </tr>

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

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

<pre>
    git version: ba0763e4cb08015bd0acef5cf05a372d423017b4

system: ```Ubuntu 20.04.6 LTS (Focal Fossa)```

reproduced with: ```mlir-opt --lower-vector-mask a.mlir```

a.mlir:
```
func.func nested @func1()  {
  %cst_0 = arith.constant 4.102400e+04 : f16
  %false = arith.constant false
  %34 = vector.broadcast %cst_0 : f16 to vector<1xf16>
  %35 = vector.broadcast %false : i1 to vector<1xi1>
 %36 = vector.mask %35 { vector.multi_reduction <maxf>, %34, %34 [] : vector<1xf16> to vector<1xf16> } : vector<1xi1> -> vector<1xf16>
  %40 = vector.extract_strided_slice %36 {offsets = [0], sizes = [1], strides = [1]} : vector<1xf16> to vector<1xf16>
  vector.print %40 : vector<1xf16>
 return 
}
```

trace:
```
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.      Program arguments: /data/bin/llvm-project/build/bin/mlir-opt --lower-vector-mask a.mlir
 #0 0x000055d07b46d99f llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/data/bin/llvm-project/build/bin/mlir-opt+0x15db99f)
 #1 0x000055d07b46aa34 SignalHandler(int) Signals.cpp:0:0
 #2 0x00007f6dad97f420 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x14420)
 #3 0x000055d07c167d15 mlir::OpInterface<mlir::vector::MaskableOpInterface, mlir::vector::detail::MaskableOpInterfaceInterfaceTraits>::getInterfaceFor(mlir::Operation*) (/data/bin/llvm-project/build/bin/mlir-opt+0x22d5d15)
 #4 0x000055d07d48e932 (anonymous namespace)::MaskOpRewritePattern<mlir::vector::TransferReadOp>::matchAndRewrite(mlir::vector::MaskOp, mlir::PatternRewriter&) const LowerVectorMask.cpp:0:0
 #5 0x000055d07d3be72a mlir::detail::OpOrInterfaceRewritePatternBase<mlir::vector::MaskOp>::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&) const (/data/bin/llvm-project/build/bin/mlir-opt+0x352c72a)
 #6 0x000055d080cec408 mlir::PatternApplicator::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&, llvm::function_ref<bool (mlir::Pattern const&)>, llvm::function_ref<void (mlir::Pattern const&)>, llvm::function_ref<mlir::LogicalResult (mlir::Pattern const&)>) (/data/bin/llvm-project/build/bin/mlir-opt+0x6e5a408)
 #7 0x000055d07e09813c (anonymous namespace)::GreedyPatternRewriteDriver::processWorklist() GreedyPatternRewriteDriver.cpp:0:0
 #8 0x000055d07e09c5ab mlir::applyPatternsAndFoldGreedily(mlir::Region&, mlir::FrozenRewritePatternSet const&, mlir::GreedyRewriteConfig, bool*) (/data/bin/llvm-project/build/bin/mlir-opt+0x420a5ab)
 #9 0x000055d07d489be4 (anonymous namespace)::LowerVectorMaskPass::runOnOperation() LowerVectorMask.cpp:0:0
#10 0x000055d07dfe2bce mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (/data/bin/llvm-project/build/bin/mlir-opt+0x4150bce)
#11 0x000055d07dfe30aa mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*) (/data/bin/llvm-project/build/bin/mlir-opt+0x41510aa)
#12 0x000055d07dfe3aac mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::'lambda'(mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo&)::operator()(mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo&) const Pass.cpp:0:0
#13 0x000055d07dfe2205 mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool) (/data/bin/llvm-project/build/bin/mlir-opt+0x4150205)
#14 0x000055d07dfe296a mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (/data/bin/llvm-project/build/bin/mlir-opt+0x415096a)
#15 0x000055d07dfe30aa mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*) (/data/bin/llvm-project/build/bin/mlir-opt+0x41510aa)
#16 0x000055d07dfe38d4 mlir::PassManager::run(mlir::Operation*) (/data/bin/llvm-project/build/bin/mlir-opt+0x41518d4)
#17 0x000055d07dfd465b performActions(llvm::raw_ostream&, std::shared_ptr<llvm::SourceMgr> const&, mlir::MLIRContext*, mlir::MlirOptMainConfig const&) MlirOptMain.cpp:0:0
#18 0x000055d07dfd5b14 processBuffer(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::MlirOptMainConfig const&, mlir::DialectRegistry&, llvm::ThreadPool*) MlirOptMain.cpp:0:0
#19 0x000055d07dfd5cc4 mlir::LogicalResult llvm::function_ref<mlir::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>::callback_fn<mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&)::'lambda'(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>(long, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&) MlirOptMain.cpp:0:0
#20 0x000055d07e0d4c24 mlir::splitAndProcessBuffer(std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::function_ref<mlir::LogicalResult (std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, llvm::raw_ostream&)>, llvm::raw_ostream&, bool, bool) (/data/bin/llvm-project/build/bin/mlir-opt+0x4242c24)
#21 0x000055d07dfce777 mlir::MlirOptMain(llvm::raw_ostream&, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer>>, mlir::DialectRegistry&, mlir::MlirOptMainConfig const&) (/data/bin/llvm-project/build/bin/mlir-opt+0x413c777)
#22 0x000055d07dfd5e11 mlir::MlirOptMain(int, char**, llvm::StringRef, llvm::StringRef, mlir::DialectRegistry&) (/data/bin/llvm-project/build/bin/mlir-opt+0x4143e11)
#23 0x000055d07dfd6276 mlir::MlirOptMain(int, char**, llvm::StringRef, mlir::DialectRegistry&) (/data/bin/llvm-project/build/bin/mlir-opt+0x4144276)
#24 0x000055d07b3a4ddb main (/data/bin/llvm-project/build/bin/mlir-opt+0x1512ddb)
#25 0x00007f6dad44b083 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x24083)
#26 0x000055d07b43e06e _start (/data/bin/llvm-project/build/bin/mlir-opt+0x15ac06e)
Segmentation fault (core dumped)
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzsWl1T4zoS_TXmRUVKlr8feAiB7E7VUFDA7j6mZKmdaFEkryQzcH_9lmwnsfMB3IGdvXdrp2YywW61zjnqbrcsqLViqQAuguQySK7OaONW2lxQpdXrWjf2ZvZwVmr-erEUDj2DsUKrIJqikuIsjSBmJc5xmJQcUwZVwiqc0CgjPCYRDrMyDvBVgKfdp321DtZ-dJDi7u_fyka5BhE8wfEkRd8fH1BA8rlmVKK5tpYGpNgaD30ZqI3mDQOOfgi3GjldS2HOde3Q-bnUP8CcPwNz2pyvqX1CdOJvH_XZ34r6H_dsqkaxif9ACqwDjoIY-x_DgOQBKRAKssvOEqGAJMy6BUZBdIWoEW41YVpZR5VD8STEJMYYAnKJY-SRV2E6GFlRaeHYyPbGwDCKW6uO3aQ0mnJGrRvO3vpGTvdGQTQLX_xs0fXQT3LSzwbLFIlwz40Id168k3TopJW6d51dbq820omFAd4wJ7RCQTRb05fK-yGzjtH2C-oCsp37APxRRijIDsxbkOjcf7ylQIyH4OHFGcrcwjojOPCFlYLBhmN2qavKgrPtiCC5xEFy5VFb8RtsL4abi62L8eVDlG-Q2oDsodVGKLdFfMRJb2_ANUahPpCzq6MR3X16rnAq6O--X08frpFtyrVwiKKyWSIDtTbOo105V1s_lMwDMl8Kt2rKCdPrgMylfN78d14b_U9gLiBzYW0DNiBzRBVHQjHZcEBuBYgZaleopOypxTPppn9wlD0h3qzrLUA8Qe2fO6OXhq4RNctmDcrZtgSQOaeOBmReCnU4fdkIybc3P1ImNuEdYYRfMMY4STjOyjjlRVGhlmQ0DSJf2rovd36BWtiPra4k3xkZ-mOhrTNA1wFJfXgI5XzpaCvITyD3FeQlTHhZFJUvlFu04R5aSqMYPYilovKvVHEJJiB5P3l32U5Y7UXG7b-tI9I7yqqUU15kVUwwWiwMWKcNLIzrsUtRBmT-kqeLND6XQjUv50vVdDdqtzJA-cTqCe4QxzHBI7zREC8L04yHCdoU42h6W39TDkzVBupsd30T_f77DbVPtJQwtCUzdNyYg6NCnhy4_fJoqPCRdd2ZLsFtb82113CIEQz1VS0g00-vKSE84WEy0igeasTjHIqI-Fm2j2qk6Bps3RIvdtxu63v4YYSDO-ocGHVSwUdDla3A3APlt_WW9Jo6tpoq3nsZkd5fgNt6rHk_ZT_UtFFfoPaBhr77nPt768APPR5_yYh0VEJG6MD_cB1v61uzXZ0x5Utq3w6cD9Idr_FHiX4qEqKEsIzQUSSkA1FyzIDFOD_EMq1rKRjd8vw6YrNB4fMdkB-4MFAF0azUWqKR695Bp0WnS_-8P-nkWQv-aSe7wd_1UjAq78E20n3M7yfTN4WExjgfLVo2jGTARR5G7L30_YsB4K_jJbgy4hl6-LXRDKz9hzZPUngCbSN6etTxHMv3kLGEloMIoHUtN97sVPG5lrydQsjXkZj3sGwjKB1H0Nzo30CNE_IB3EDzoXUHvreeaVWJpTfwcfUVhTUmmCa0HK1MsVdYixLi91Zmr3jdUds__02jbtUgndoVebfU-Uf2qMPgFZCSwclS96hvaz_plNN6m-GmUXvRbe1BQp9O9ami8tUKe0MVXfpU38g-Q41qd4n8SxqWOExw2Wm5JR_ukY8wPV3nT5G_EzVIofZLmzfdckq_XI1xtbT2m7LOtC2p7xAOyunQoJu5u9Fjv6MGlPumKr1JkC8I-jAJMaUjwcm-4JSy3y34INKn9lWxb-taBiTvdOozJSCZpOuS04Bko4X5uilu67sbr9imgPtruh3V9mj-2q-YuH_ce2fHMzzaz3CCky_W_POZSXAyCpR4H3SR_v7M_LOUpSIdZ0ny_7L0a8tSui94zuM9nBvmR2PrS3dhHmDO4xHAbAyQx2lSohpMpc162vaf9p09v3W8f2ewogb4onYmiGa7EQ-6MQxuliaIrk80STffv93PtHLw4g6W8kYKc1u7GypU1z4Nm1s0uHu8RuV7_JIyjFHfZ142VdW-OfgQvUaJfzVwQO8G1tq8blwN7DlUtJFuwUGCg9Nj_Ebt-uOch3ZXgkpgzjeq1pnXg83MY_ui4m7Xa74rV7EvF2PDeB1vPX5mr_Lr5Dy9qMV2c8yolCVlT4tq_BphoNMfMDyOL_sHU-ZoF_OHWRWSS62Wv1bYNyC9mzAEjzebPGZkmDC2lsJNFb_bqzj_DXZ_wiR902LXKXxNs0hiwsjo6Uj2tnEMsiw7nmj_a2Xis51GxLIsG2lJ9h8tEIYntexbPraiXXM3HYfCgzNCLe-heuPy20J8mmAcQRiOCO5th3hKsvRLCP6nmcQkS0dMRnukMqIx5yVaU6E-e7ITEs7L0VTJ6EAmjkucR2ixkKJkC-uocYvBvG-dyrCJ1ZO0O22IcR6NZknH50cR4BRQ5_-zlCjD6e7dzwMstzsO1Gau98-0gfbUD_gO1uZg8oxfRLyICnoGF2Fa5EVIkgifrS5IXMWMFYQyXKU5jXFa8KzMcZjzlJZxeiYuCCZRGGKCc5wneBImRUgzwn224ajKghjDmgo58YQm2izP2gPLiyzEUXomaQnStr8oQUgbY4QEydWZuWj5l83SBjGWwjq7c-CEk-0vV7QDkqsguewPH5KrowePjDYWLLIHwpw1Rl78_Ilry-HfAQAA__-ShW-Z">