From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: "Stephen Bates" Subject: [BUG] parse.c: val_too_large incorrectly handling overly large FIO_OPT_INT values Date: Fri, 8 May 2020 13:47:16 +0000 Message-ID: <1110AE83-BA4F-46FF-B9C7-662960EC0EAD@raithlin.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 To: "fio@vger.kernel.org" Cc: Jens Axboe , David Sloan List-ID: SGkgQWxsDQoNCldoaWxlIHRyeWluZyB0byBkbyBzb21lIHJhdGUgbGltaXRpbmcgaW4gYSBoaWdo IHBlcmZvcm1hbmNlIE5WTWUgc3lzdGVtIHdlIG5vdGljZWQgdGhhdCBzZXR0aW5nIC0tcmF0ZSB0 byBtYW55IHZhbHVlcyBvdmVyIDRHIHdhcyBicm9rZW4gKGUuZy4gOEdCKS4gQXMgd2UgZHVnIGlu dG8gdGhhdCBpdCBzZWVtcyBsaWtlIHRoZSBlcnJvciBoYW5kbGluZyBmb3IgYW55IEZJT19PUFRT X0lOVCA+PTRHaUIgaXMgbm90IHdvcmtpbmcgYmVjYXVzZSB2YWxfdG9vX2xhcmdlIGluIHBhcnNl LmMgaXMgY29uZmxhdGluZyBsYXJnZSBwb3NpdGl2ZXMgdWludHMgd2l0aCBzbWFsbCBuZWdhdGl2 ZXMgdW5pdHMgdWludHMgYW5kIGxldHRpbmcgbGFyZ2UgdmFsdWVzIHNsaWRlIHRocm91Z2guIFRl c3RlZCBhZ2FpbnN0IHRoZSB0aXAgb2YgbWFzdGVyIChiMmVkMWM0YTA3YzYgYXQgdGltZSBvZiB3 cml0aW5nKS4NCg0KSSAqd291bGQqIHN1Ym1pdCBhIHBhdGNoIGJ1dCBpdCBpcyBhY3R1YWxseSBh IGxpdHRsZSB0cmlja3kgdG8ga2VlcCB0aGUgcGF0Y2ggY29udGFpbmVkIGluIHZhbF90b29fbGFy Z2UgYW5kIHNlcGFyYXRlIHRoZSBzbWFsbCBuZWdhdGl2ZSBudW1iZXIgaXNzdWUgZnJvbSB0aGUg YmlnIHBvc2l0aXZlIG51bWJlciBpc3N1ZS4gU28gSSB3b25kZXJlZCBpZiBhbnlvbmUgaGFkIGFu eSBzdWdnZXN0aW9ucy4gSSBkb24ndCByZWFsbHkgd2FudCB0byBwcm9wb3NlIHNvbWV0aGluZyBs aWtlIGFkZGluZyBhIEZJT19PUFRTX1VJTlQgaWYgdGhlcmUgaXMgYW4gZWFzaWVyIGZpeC4gV2Ug Y291bGQgYWxzbyBjb25zaWRlciBjaGFuZ2luZyB2YWwgdG8gYSBzaWduZWQgbG9uZyBsb25nIGJ1 dCAoSSB0aGluaykgYnJlYWtzIHRoZSBjYXNlIHdoZW4gYSBVTEwgaXMgcGFzc2VkIGluLg0KDQpJ IGhhdmUgYWxzbyBjcmVhdGVkIGEgR2l0SHViIGlzc3VlIGhlcmUgWzFdLiBZb3UgY2FuIHRlc3Qg d2l0aCBzb21ldGhpbmcgbGlrZQ0KDQpzdGF0aWMgYm9vbCB2YWxfdG9vX2xhcmdlKGNvbnN0IHN0 cnVjdCBmaW9fb3B0aW9uICpvLCB1bnNpZ25lZCBsb25nIGxvbmcgdmFsLA0KICAgICAgICAgICAg ICAgICAgICAgICAgICBib29sIGlzX3VpbnQpDQp7DQogICAgICAgIGlmICghby0+bWF4dmFsKQ0K ICAgICAgICAgICAgICAgIHJldHVybiBmYWxzZTsNCg0KICAgICAgICBpZiAoaXNfdWludCkgew0K ICAgICAgICAgICAgICAgIGlmICgoaW50KSB2YWwgPCAwKQ0KICAgICAgICAgICAgICAgICAgICAg ICAgcmV0dXJuIChpbnQpIHZhbCA+IChpbnQpIG8tPm1heHZhbDsNCiAgICAgICAgICAgICAgICBy ZXR1cm4gKHVuc2lnbmVkIGludCkgdmFsID4gby0+bWF4dmFsOw0KICAgICAgICB9DQoNCglyZXR1 cm4gdmFsID4gby0+bWF4dmFsOw0KfQ0KDQpZb3UgY2FuIHRlc3QgdGhpcyB3aXRoIHNvbWV0aGlu ZyBsaWtlOg0KDQouL2ZpbyAtLWRlYnVnPXBhcnNlIC0tbmFtZT1wYXJzZV9jaGVjayAtLXJhdGU9 OEcsOEcgLS1zaXplPTE2ayAtLWZpbGVuYW1lIC90bXAvcGFyc2UuZGF0DQoNCkNoZWVycw0KIA0K U3RlcGhlbg0KDQpbMV06IGh0dHBzOi8vZ2l0aHViLmNvbS9heGJvZS9maW8vaXNzdWVzLzk3NQ0K IA0KDQo=