max/nix-super
1
0
Fork 0
mirror of https://github.com/privatevoid-net/nix-super.git synced 2024-11-28 16:46:16 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

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

Browse source 
* 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
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/libexpr/primops.cc
View file

@ -825,7 +825,7 @@ static void prim_addErrorContext(EvalState & state, const PosIdx pos, Value * *
auto message = state.coerceToString(pos, *args[0], context, auto message = state.coerceToString(pos, *args[0], context,
"while evaluating the error message passed to builtins.addErrorContext", "while evaluating the error message passed to builtins.addErrorContext",
false, false).toOwned(); false, false).toOwned();
e.addTrace(nullptr, message, true); e.addTrace(nullptr, hintfmt(message), true);
throw; throw;
} }
} }

1
tests/functional/lang.sh
View file

@ -23,6 +23,7 @@ nix-instantiate --trace-verbose --eval -E 'builtins.traceVerbose "Hello" 123' 2>
nix-instantiate --eval -E 'builtins.traceVerbose "Hello" 123' 2>&1 | grepQuietInverse Hello nix-instantiate --eval -E 'builtins.traceVerbose "Hello" 123' 2>&1 | grepQuietInverse Hello
nix-instantiate --show-trace --eval -E 'builtins.addErrorContext "Hello" 123' 2>&1 | grepQuietInverse Hello nix-instantiate --show-trace --eval -E 'builtins.addErrorContext "Hello" 123' 2>&1 | grepQuietInverse Hello
expectStderr 1 nix-instantiate --show-trace --eval -E 'builtins.addErrorContext "Hello" (throw "Foo")' | grepQuiet Hello expectStderr 1 nix-instantiate --show-trace --eval -E 'builtins.addErrorContext "Hello" (throw "Foo")' | grepQuiet Hello
expectStderr 1 nix-instantiate --show-trace --eval -E 'builtins.addErrorContext "Hello %" (throw "Foo")' | grepQuiet 'Hello %'
nix-instantiate --eval -E 'let x = builtins.trace { x = x; } true; in x' \ nix-instantiate --eval -E 'let x = builtins.trace { x = x; } true; in x' \
2>&1 | grepQuiet -E 'trace: { x = «potential infinite recursion»; }' 2>&1 | grepQuiet -E 'trace: { x = «potential infinite recursion»; }'