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Fix boost::bad_format_string exception in builtins.addErrorContext (#9291)

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* Fix boost::bad_format_string exception in builtins.addErrorContext

The message passed to addTrace was incorrectly being used as a format
string and this this would cause an exception when the string contained
a '%', which can be hit in places where arbitrary file paths are
interpolated.

* add test
This commit is contained in:
Mel Zuser 2023-11-06 14:13:40 -05:00 • committed by GitHub
parent 1fa87c6aa8
commit 61d6fe059e
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2 changed files with 2 additions and 1 deletions
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2
src/libexpr/primops.cc
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@ -825,7 +825,7 @@ static void prim_addErrorContext(EvalState & state, const PosIdx pos, Value * *
auto message = state.coerceToString(pos, *args[0], context,
"while evaluating the error message passed to builtins.addErrorContext",
false, false).toOwned();
e.addTrace(nullptr, message, true);
e.addTrace(nullptr, hintfmt(message), true);
throw;
}
}