crypto: fix handling of null BUF_MEM* in ToV8Value() · nodejs/node@dc384f9

Original file line number	Diff line number	Diff line change
`@@ -86,8 +86,15 @@ MaybeLocal<Value> ToV8Value(`
`86`	`86`	`Environment* env,`
`87`	`87`	`const BIOPointer& bio,`
`88`	`88`	`const EVPKeyPointer::AsymmetricKeyEncodingConfig& config) {`
`89`		`-if (!bio) return {};`
	`89`	`+if (!bio) {`
	`90`	`+THROW_ERR_CRYPTO_OPERATION_FAILED(env, "Invalid BIO pointer");`
	`91`	`+return {};`
	`92`	`+ }`
`90`	`93`	`BUF_MEM* bptr = bio;`
	`94`	`+if (!bptr) {`
	`95`	`+THROW_ERR_CRYPTO_OPERATION_FAILED(env, "Unable to create BUF_MEM pointer");`
	`96`	`+return {};`
	`97`	`+ }`
`91`	`98`	`if (config.format == EVPKeyPointer::PKFormatType::PEM) {`
`92`	`99`	`// PEM is an ASCII format, so we will return it as a string.`
`93`	`100`	`return String::NewFromUtf8(`

Original file line number	Diff line number	Diff line change
`@@ -106,6 +106,8 @@ MaybeLocal<Value> ToV8Value(Local<Context> context, BIOPointer&& bio) {`
`106`	`106`	`if (!bio) [[unlikely]]`
`107`	`107`	`return {};`
`108`	`108`	`BUF_MEM* mem = bio;`
	`109`	`+if (!mem) [[unlikely]]`
	`110`	`+return {};`
`109`	`111`	`Local<Value> ret;`
`110`	`112`	`if (!String::NewFromUtf8(Isolate::GetCurrent(),`
`111`	`113`	`mem->data,`
`@@ -120,6 +122,8 @@ MaybeLocal<Value> ToV8Value(Local<Context> context, const BIOPointer& bio) {`
`120`	`122`	`if (!bio) [[unlikely]]`
`121`	`123`	`return {};`
`122`	`124`	`BUF_MEM* mem = bio;`
	`125`	`+if (!mem) [[unlikely]]`
	`126`	`+return {};`
`123`	`127`	`Local<Value> ret;`
`124`	`128`	`if (!String::NewFromUtf8(Isolate::GetCurrent(),`
`125`	`129`	`mem->data,`
`@@ -134,6 +138,8 @@ MaybeLocal<Value> ToBuffer(Environment* env, BIOPointer* bio) {`
`134`	`138`	`if (bio == nullptr \|\| !*bio) [[unlikely]]`
`135`	`139`	`return {};`
`136`	`140`	`BUF_MEM* mem = *bio;`
	`141`	`+if (!mem) [[unlikely]]`
	`142`	`+return {};`
`137`	`143`	`#ifdef V8_ENABLE_SANDBOX`
`138`	`144`	`// If the v8 sandbox is enabled, then all array buffers must be allocated`
`139`	`145`	`// via the isolate. External buffers are not allowed. So, instead of wrapping`