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Merge pull request #1404 from filecoin-project/asr/segfault

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Bugfix: Check if vmctx is nil before dereferencing in ApplyMessage
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Whyrusleeping 2020-03-11 13:29:33 -07:00 committed by GitHub
commit 954085d33e
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1 changed files with 16 additions and 10 deletions
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12
chain/vm/vm.go
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@ -532,15 +532,21 @@ func (vm *VM) ApplyMessage(ctx context.Context, msg *types.Message) (*ApplyRet,
return nil, xerrors.Errorf("gas handling math is wrong") return nil, xerrors.Errorf("gas handling math is wrong")
} }
return &ApplyRet{ r := ApplyRet{
MessageReceipt: types.MessageReceipt{ MessageReceipt: types.MessageReceipt{
ExitCode: errcode, ExitCode: errcode,
Return: ret, Return: ret,
GasUsed: gasUsed, GasUsed: gasUsed,
}, },
ActorErr: actorErr, ActorErr: actorErr,
InternalExecutions: vmctx.internalExecutions, InternalExecutions: nil,
}, nil }
if vmctx != nil {
r.InternalExecutions = vmctx.internalExecutions
}
return &r, nil
} }
func (vm *VM) SetBlockMiner(m address.Address) { func (vm *VM) SetBlockMiner(m address.Address) {