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Merge pull request #12615 from xokdvium/ubsan-checks

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flake: Enable UBSAN for checks
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Jörg Thalheim 2025-03-11 14:22:20 +01:00 • committed by GitHub
commit 8e8edb5bf8
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2 changed files with 36 additions and 6 deletions
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4
src/libutil/strings.cc
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@ -17,8 +17,10 @@ struct view_stringbuf : public std::stringbuf
}
};
std::string_view toView(const std::ostringstream & os)
__attribute__((no_sanitize("undefined"))) std::string_view toView(const std::ostringstream & os)
{
/* Downcasting like this is very much undefined behavior, so we disable
UBSAN for this function. */
auto buf = static_cast<view_stringbuf *>(os.rdbuf());
return buf->toView();
}