[FS#819] sending SIGSEGV to php-cgi for invalid read access from 00000000

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - progit (progit) 

Attached to Project - LEDE Project
Summary - sending SIGSEGV to php-cgi for invalid read access from 00000000
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Высоко
Priority - Обычный
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Not working PHP on Lede with router Xiaomi Mi WIFI Mini. Were tested version LEDE: 17.01.1, latest trunk, same error messages. To install PHP, the memory of the router was increased by using a flash drive 2Gb. Full dmesg files was attached to this messsage.

 - Xiaomi MiWiFi Mini
 - LEDE Reboot SNAPSHOT r4281-09c2f4a (2017.05.30)
 - Kernel: 4.4.70
 - Free RAM on router, after install packages: 40%


kern.info kernel: [  428.393943] do_page_fault(): sending SIGSEGV to php-cgi for invalid read access from 00000000
kern.info kernel: [  428.402726] epc = 77fad41c in libc.so[77f3a000+92000]
kern.info kernel: [  428.407909] ra  = 005d0b14 in php-cgi[400000+3bb000]
kern.info kernel: [  428.413017]


My actions:
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1. opkg install iptables-mod-conntrack-extra openssl-util zoneinfo-asia php7 php7-cli php7-cgi php7-mod-curl php7-mod-ctype php7-mod-fileinfo php7-mod-ftp php7-mod-gd php7-mod-gettext php7-mod-hash php7-mod-iconv php7-mod-json php7-mod-mbstring php7-mod-openssl php7-mod-pcntl php7-mod-pdo php7-mod-pdo-sqlite php7-mod-session php7-mod-simplexml php7-mod-sockets php7-mod-sqlite3 php7-mod-sysvmsg php7-mod-phar php7-mod-xml php7-mod-xmlreader php7-mod-xmlwriter php7-mod-zip php7-mod-dom php7-mod-exif

2. opkg install php7-pecl-http php7-mod-mcrypt php7-mod-mysqli php7-mod-fileinfo php7-mod-calendar fcgi php7-fastcgi

3. /usr/bin/php-cli /www/1.php
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Please, fix this bug. Thanks.
 

One or more files have been attached.

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=819