Bug #79497 [Opn->Csd]: stream_socket_client() throws an unknown error sometimes with <1s timeout

Edit report at https://bugs.php.net/bug.php?id=79497&edit=1 ID: 79497 Updated by: nikic@php.net Reported by: joey dot cai at gmail dot com Summary: stream_socket_client() throws an unknown error sometimes with <1s timeout -Status: Open +Status: Closed Type: Bug Package: OpenSSL related PHP Version: Irrelevant Block user comment: N Private report: N New Comment: Automatic comment on behalf of joe.cai@bigcommerce.com Revision: http://git.php.net/?p=php-src.git;a=commit;h=94e09bfe558656d3f1470dc960b900a951b0dffc Log: Fix #79497: Fix php_openssl_subtract_timeval() Previous Comments: ------------------------------------------------------------------------ [2020-04-20 01:53:17] joey dot cai at gmail dot com Description: ------------ stream_socket_client() can throw an unknown error when connection timeout is set to less than 1s due to a bug in php_openssl_subtract_timeval() A PR has been raised https://github.com/php/php-src/pull/5422 Test script: --------------- https://gist.github.com/joec4i/ef1b1156ed79e23487400c68a5f693cb // To test, run php socket_test.php 10000 0.9 | grep error Expected result: ---------------- No connection errors Tested X connections(timeout=0.1) with in xs with 0 errors Actual result: -------------- failed in 0.0037751197814941s, error.no=0, errstr= failed in 0.0031719207763672s, error.no=0, errstr= failed in 0.0026381015777588s, error.no=0, errstr= failed in 0.0029230117797852s, error.no=0, errstr= failed in 0.0027728080749512s, error.no=0, errstr= Tested 2000 connections(timeout=0.9) with in 6.1318738460541s with 5 errors ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=79497&edit=1