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Fix use after free with vImportedDrvToDerivation

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This commit is contained in:
Robert Hensing 2021-08-29 19:31:52 +02:00
parent 8bc76acc7c
commit 8656b130ea
2 changed files with 6 additions and 6 deletions
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1
src/libexpr/eval.hh
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@ -101,6 +101,7 @@ public:
const ref<Store> buildStore; const ref<Store> buildStore;
RootValue vCallFlake = nullptr; RootValue vCallFlake = nullptr;
RootValue vImportedDrvToDerivation = nullptr;
private: private:
SrcToStore srcToStore; SrcToStore srcToStore;

11
src/libexpr/primops.cc
View file

@ -160,16 +160,15 @@ static void import(EvalState & state, const Pos & pos, Value & vPath, Value * vS
} }
w.attrs->sort(); w.attrs->sort();
static RootValue fun; if (!state.vImportedDrvToDerivation) {
if (!fun) { state.vImportedDrvToDerivation = allocRootValue(state.allocValue());
fun = allocRootValue(state.allocValue());
state.eval(state.parseExprFromString( state.eval(state.parseExprFromString(
#include "imported-drv-to-derivation.nix.gen.hh" #include "imported-drv-to-derivation.nix.gen.hh"
, "/"), **fun); , "/"), **state.vImportedDrvToDerivation);
} }
state.forceFunction(**fun, pos); state.forceFunction(**state.vImportedDrvToDerivation, pos);
mkApp(v, **fun, w); mkApp(v, **state.vImportedDrvToDerivation, w);
state.forceAttrs(v, pos); state.forceAttrs(v, pos);
} }