Req #74105 [Opn->Csd]: PHP on Linux should use /dev/urandom when getrandom is not available

Edit report at https://bugs.php.net/bug.php?id=74105&edit=1 ID: 74105 Updated by: nikic@php.net Reported by: bruno+archlinux at ahennezel dot info Summary: PHP on Linux should use /dev/urandom when getrandom is not available -Status: Open +Status: Closed Type: Feature/Change Request Package: *General Issues Operating System: Linux PHP Version: 7.1.2RC1 Block user comment: N Private report: N New Comment: Automatic comment on behalf of dev@benjarobin.fr Revision: http://git.php.net/?p=php-src.git;a=commit;h=513582814b0ca82d81eb6b98897d745e0f0eebf5 Log: Fixed bug #74105 Previous Comments: ------------------------------------------------------------------------ [2017-02-16 08:32:08] bruno+archlinux at ahennezel dot info Description: ------------ When PHP is compiled on a recent kernel, it assumes that getrandom is available. When such a PHP build is running on an older kernel, this code throws an exception. cf. pull request 2385 Test script: --------------- <?php $a = random_int(0,10); ?> Expected result: ---------------- Fallback to /dev/urandom and return a number Or Exit with a more explicit error message (checking ENOSYS) Actual result: -------------- PHP Fatal error: Uncaught Exception: Could not gather sufficient random data in -:2 Stack trace: #0 -(2): random_int(0, 200) #1 {main} thrown in - on line 2 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=74105&edit=1