Bug #79497 [NEW]: stream_socket_client() throws an unknown error sometimes with <1s timeout

From: joey dot cai at gmail dot com Operating system: PHP version: Irrelevant Package: OpenSSL related Bug Type: Bug Bug description:stream_socket_client() throws an unknown error sometimes with <1s timeout 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 bug report at https://bugs.php.net/bug.php?id=79497&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=79497&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=79497&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=79497&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=79497&r=needscript Try newer version: https://bugs.php.net/fix.php?id=79497&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=79497&r=support Expected behavior: https://bugs.php.net/fix.php?id=79497&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=79497&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=79497&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=79497&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=79497&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=79497&r=dst IIS Stability: https://bugs.php.net/fix.php?id=79497&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=79497&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=79497&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=79497&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=79497&r=mysqlcfg