[ruby-core:102787] [Ruby master Bug#17679] Ractor incoming channel can consume unlimited resources
From:
marcandre-ruby-core@...
Date:
2021-03-09 01:36:43 UTC
List:
ruby-core #102787
SXNzdWUgIzE3Njc5IGhhcyBiZWVuIHVwZGF0ZWQgYnkgbWFyY2FuZHJlIChNYXJjLUFuZHJlIExh Zm9ydHVuZSkuDQoNCg0KSXQncyBub3QgY2xlYXIgdG8gbWUgdGhhdCB0aGlzIHNob3VsZCBiZSBp bXBsZW1lbnRlZCBhdCB0aGUgUmFjdG9yIGxldmVsLg0KDQpCb3RoIHN1Z2dlc3RlZCBhcHByb2Fj aGVzIGNhbiBiZSBoYW5kbGVkIGluIFJ1YnksIGZvciBleGFtcGxlIHVzaW5nIGFuIGludGVybWVk aWFyeSBSYWN0b3IuLi4NCg0KYGBgcnVieQ0KRE9ORSA9IE9iamVjdC5uZXcuZnJlZXplDQoNCk1J RERMRU1BTiA9IFJhY3Rvci5uZXcgZG8NCiAgb25fcXVldWUgPSAwDQogIGxvb3AgZG8NCiAgICBt ZXNzYWdlID0gUmFjdG9yLnJlY2VpdmUNCiAgICBpZiBtZXNzYWdlID09IERPTkUNCiAgICAgIG9u X3F1ZXVlIC09IDENCiAgICBlbHNlDQogICAgICBpZiAob25fcXVldWUgPiAzMl8wMDApDQogICAg ICAgIHB1dHMgIlRvbyBtYW55IHJlcXVlc3RzLCBza2lwcGluZyAje21lc3NhZ2V9Ig0KICAgICAg ICBuZXh0DQogICAgICBlbmQNCiAgICAgIG9uX3F1ZXVlICs9IDENCiAgICAgIERPRVIuc2VuZCht ZXNzYWdlKQ0KICAgIGVuZA0KICBlbmQNCmVuZA0KDQpET0VSID0gUmFjdG9yLm5ldyBkbw0KICBs b29wIGRvDQogICAgbWVzc2FnZSA9IFJhY3Rvci5yZWNlaXZlDQogICAgc2xlZXAgMC4wMQ0KICAg IHB1dHMgIlByb2Nlc3NlZCAje21lc3NhZ2V9Ig0KICAgIE1JRERMRU1BTi5zZW5kKERPTkUpDQog IGVuZA0KZW5kDQoNCmNvdW50ZXIgPSAwDQp3aGlsZSB0cnVlDQogIGNvdW50ZXIgKz0gMQ0KICBN SURETEVNQU4uc2VuZChjb3VudGVyKQ0KZW5kDQpgYGANCg0KSWYvd2hlbiBhIG5vbi1ibG9ja2lu ZyBgcmVjZWl2ZWAgd2lsbCBiZSBhdmFpbGFibGUsIHRoZSByZWNlaXZpbmcgcmFjdG9yIGNvdWxk IGFsc28gaGFuZGxlIGl0J3Mgd2FpdGluZyBxdWV1ZSBpbnRlcm5hbGx5DQoNCi0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0NCkJ1ZyAjMTc2Nzk6IFJhY3RvciBpbmNvbWlu ZyBjaGFubmVsIGNhbiBjb25zdW1lIHVubGltaXRlZCByZXNvdXJjZXMNCmh0dHBzOi8vYnVncy5y dWJ5LWxhbmcub3JnL2lzc3Vlcy8xNzY3OSNjaGFuZ2UtOTA4MDYNCg0KKiBBdXRob3I6IG1hcmNv dGMgKE1hcmNvIENvc3RhKQ0KKiBTdGF0dXM6IEFzc2lnbmVkDQoqIFByaW9yaXR5OiBOb3JtYWwN CiogQXNzaWduZWU6IGtvMSAoS29pY2hpIFNhc2FkYSkNCiogcnVieSAtdjogcnVieSAzLjAuMHAw ICgyMDIwLTEyLTI1IHJldmlzaW9uIDk1YWZmMjE0NjgpIFt4ODZfNjQtbGludXhdDQoqIEJhY2tw b3J0OiAyLjU6IFVOS05PV04sIDIuNjogVU5LTk9XTiwgMi43OiBVTktOT1dOLCAzLjA6IFVOS05P V04NCi0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0NCiMjIEJhY2tncm91 bmQNCg0KSW4gdGhlIFtkZHRyYWNlXShodHRwczovL2dpdGh1Yi5jb20vRGF0YURvZy9kZC10cmFj ZS1yYikgZ2VtLCB3ZSB3YW50IHRvIG1vdmUgdGVsZW1ldHJ5IHRyYWNlIHNlbmRpbmcgdG8gYSBz ZXBhcmF0ZSBiYWNrZ3JvdW5kIFJhY3Rvci4gV2XigJlyZSBjb25jZXJuZWQgdGhhdCBpZiBzb21l dGhpbmcgZ29lcyB3cm9uZy9nZXRzIGRlbGF5ZWQgaW4gdGhpcyBiYWNrZ3JvdW5kIFJhY3Rvciwg bW9yZSBhbmQgbW9yZSBkYXRhIHdpbGwgYWNjdW11bGF0ZSBpbiB0aGUgc2VuZC9yZWNlaXZlIGNo YW5uZWwgdW50aWwgdGhlIFJ1YnkgVk0gY3Jhc2hlcyBiZWNhdXNlIGl0IHJ1bnMgb3V0IG9mIG1l bW9yeS4NCg0KIyMgSG93IHRvIHJlcHJvZHVjZSAoUnVieSB2ZXJzaW9uICYgc2NyaXB0KQ0KDQpg YGBydWJ5DQpyZWNlaXZlcl9yYWN0b3IgPSBSYWN0b3IubmV3IGRvDQogIGxvb3AgZG8NCiAgICBt ZXNzYWdlID0gUmFjdG9yLnJlY2VpdmUNCiAgICBzbGVlcCAxDQogICAgcHV0cyAiUHJvY2Vzc2Vk ICN7bWVzc2FnZX0iDQogIGVuZA0KZW5kDQoNCmNvdW50ZXIgPSAwDQp3aGlsZSB0cnVlDQogIGNv dW50ZXIgKz0gMQ0KICByZWNlaXZlcl9yYWN0b3Iuc2VuZChjb3VudGVyKQ0KZW5kDQpgYGANCg0K IyMgRXhwZWN0YXRpb24gYW5kIHJlc3VsdA0KVGhlIHJlc3VsdCBpcyB0aGF0IHRoZSBSdWJ5IFZN IGNyYXNoZXMgZHVlIHRvIG91dCBvZiBtZW1vcnkuDQpXZSBleHBlY3QgdGhlIFJ1YnkgVk0gdG8g bm90IGNyYXNoLg0KDQojIyBTdWdnZXN0ZWQgc29sdXRpb25zDQpTb21lIGlkZWFzIG9uIGhvdyB0 aGlzIGNhbiBiZSBpbXByb3ZlZDoNCiogSGF2aW5nIGEgd2F5IGZvciB0aGUgc2VuZGVyIG9mIGRh dGEgdG8gZGV0ZWN0IGlmIHRoZSByZWNlaXZlciBSYWN0b3IgaXMgZmFsbGluZyBiZWhpbmQgKGFw cHJveGltYXRlIHNpemUgb2YgcXVldWUsIHRpbWVzdGFtcCBvZiBsYXN0IHByb2Nlc3NlZCBpdGVt LCBvciBzaW1pbGFyPykuDQoqIEhhdmluZyBhIHdheSB0byBsaW1pdCB0aGUgUmFjdG9yIG1lc3Nh Z2UgcmVjZWl2ZSBidWZmZXIuDQoNCg0KDQoNCg0KLS0gDQpodHRwczovL2J1Z3MucnVieS1sYW5n Lm9yZy8NCgpVbnN1YnNjcmliZTogPG1haWx0bzpydWJ5LWNvcmUtcmVxdWVzdEBydWJ5LWxhbmcu b3JnP3N1YmplY3Q9dW5zdWJzY3JpYmU+CjxodHRwOi8vbGlzdHMucnVieS1sYW5nLm9yZy9jZ2kt YmluL21haWxtYW4vb3B0aW9ucy9ydWJ5LWNvcmU+Cg==