Bug #75968 [Opn]: php-fpm restarts master process in a loop when using Program execution Function

Edit report at https://bugs.php.net/bug.php?id=75968&edit=1 ID: 75968 User updated by: schnederle at futureweb dot at Reported by: schnederle at futureweb dot at Summary: php-fpm restarts master process in a loop when using Program execution Function Status: Open Type: Bug Package: Reproducible crash Operating System: Centos/RHEL 7.4 PHP Version: 7.2.2 Block user comment: N Private report: N New Comment: correction - not the master process crashes but php-fpm continues to restart the process over and over again using 100% of the CPU on the php-fpm master process. (crash loop) Previous Comments: ------------------------------------------------------------------------ [2018-02-16 15:22:30] schnederle at futureweb dot at Description: ------------ Follow-Up to already reported Bug #70185 (https://bugs.php.net/bug.php?id=70185) Still a Problem with current PHP 7.2.2. When using Program execution Functions (passthru(), exec(), shell_exec(), system(), ...) the php-fpm: master process reproduceable crashes with signal 15 (SIGTERM) which leads to crash-loop, 100% CPU usage and spamming of Logs (30GB within 1 day on my Dev-Server) Test script: --------------- <?php exec('/usr/bin/postcss css_from.css --use autoprefixer --autoprefixer.remove "false" --output css_to.css'); echo 'Done'; ?> Actual result: -------------- Millions of: ... [16-Feb-2018 14:48:30] WARNING: [pool www] child 53778 exited on signal 15 (SIGTERM) after 0.046685 seconds from start [16-Feb-2018 14:48:30] WARNING: [pool www] child 53782 exited on signal 15 (SIGTERM) after 0.045416 seconds from start [16-Feb-2018 14:48:30] WARNING: [pool www] child 53785 exited on signal 15 (SIGTERM) after 0.045331 seconds from start [16-Feb-2018 14:48:30] WARNING: [pool www] child 53787 exited on signal 15 (SIGTERM) after 0.044765 seconds from start ... ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=75968&edit=1