Handle null from LLVMRustGetSectionName #62460
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| let name_len = llvm::LLVMRustGetSectionName(si.llsi, &mut name_buf); | ||
| let name = slice::from_raw_parts(name_buf as *const u8, name_len as usize).to_vec(); | ||
| let name = String::from_utf8(name).unwrap(); | ||
| let name = name_buf.map_or( |
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For the purposes of this code, sections without name can be skipped entirely. I'm also wondering why this code is creating a String rather than a str, it does not seem necessary.
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Are you saying I should change something? I literally have no idea what the code here is doing, I'm afraid. @nitnelave just did the minimal thing to avoid NULL references.
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📌 Commit 076a5cd has been approved by |
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☀️ Test successful - checks-azure, checks-travis, status-appveyor |
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Tested on commit rust-lang/rust@8895384. Direct link to PR: <rust-lang/rust#62460> 💔 rls on linux: test-pass → test-fail (cc @Xanewok, @rust-lang/infra).
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As part of #58783 and #62103, this incorrect use of a NULL pointer was found in the interface to LLVM. That PR is stuck with some linker issues, but there is no reason the soundness fix should have to wait for that.