[Bug 63141] Re: PHP (cli) exits with a segfault if pg_connect() called.

[Martin Pitt]

Uploaded to hardy-proposed, waiting for other SRU team member to
ack/accept.

** Description changed:

+ SRU TEST CASE:
+  * sudo apt-get install postgresql-8.3
+  * php -r 'pg_connect("host=localhost");'
+    warning: pg_connect(): Unable to connect to PostgreSQL server: fe_sendauth: no password supplied in Command line code on line 1
+    Segmentation fault (core dumped)
+ 
+ --- Original bug report -------------------------------------
+ 
+ 
  Binary package hint: php5-cli
  
  test.php:
  <?php pg_connect("dbname=validorinvalidname user=validorinvaliduser pass=validorinvalidpass"); print "connected (or not)\n"; ?>
  
  output of php test.php:
  connected (or not)
  SegmetationFault
  
  In short, calling pg_connect() is causing a Segmentation Fault **after**
  the successful completion of the script. Explicitly calling pg_close()
  before the script ends has no effect. The function does not need to
  successfully connect to a db to cause the error. I cannot find a
  combination of different connection string paramaters that make any
  difference to the bug.
  
  PHP packages installed
  
  libapache2-mod-php5 5.1.2-1ubuntu3.2
  php5-cli 5.1.2-1ubuntu3.2
  php5-cgi 5.1.2-1ubuntu3.2
  php5-common 5.1.2-1ubuntu3.2
  php5-pgsql 5.1.2-1ubuntu3.2
  php5-curl 5.1.2-1ubuntu3.2
  php5-gd 5.1.2-1ubuntu3.2
  php5-imap 5.1.2-1ubuntu3.2
  php5-mysql 5.1.2-1ubuntu3.2
  php5-mysqli 5.1.2-1ubuntu3.2
  php5-xsl 5.1.2-1ubuntu3.2
  
  PostgreSQL packages installed:
  
  postgresql-8.1 8.1.4-0ubuntu1
  postgresql-contrib-8.1 8.1.4-0ubuntu1
  postgresql-comon1 53ubuntu3
  postgresql-client-8.1 8.1.4-0ubuntu1
  postgresql-client-common 53ubuntu3
  
  WORKAROUNDS:
  
  1) Removing php5-curl solves the problem
  
  2) Moving the line "extension=curl.so" into pgsql.ini (before or after
  "extension=pgsql.so", it doesn't matter) solves the problem too, and
  curl can still be used.

** Description changed:

  SRU TEST CASE:
-  * sudo apt-get install postgresql-8.3
-  * php -r 'pg_connect("host=localhost");'
-    warning: pg_connect(): Unable to connect to PostgreSQL server: fe_sendauth: no password supplied in Command line code on line 1
-    Segmentation fault (core dumped)
+  * sudo apt-get install postgresql-8.3 php-cli php-curl php-pgsql
+  * php -r 'pg_connect("host=localhost");'
+    warning: pg_connect(): Unable to connect to PostgreSQL server: fe_sendauth: no password supplied in Command line code on line 1
+    Segmentation fault (core dumped)
  
  --- Original bug report -------------------------------------
- 
  
  Binary package hint: php5-cli
  
  test.php:
  <?php pg_connect("dbname=validorinvalidname user=validorinvaliduser pass=validorinvalidpass"); print "connected (or not)\n"; ?>
  
  output of php test.php:
  connected (or not)
  SegmetationFault
  
  In short, calling pg_connect() is causing a Segmentation Fault **after**
  the successful completion of the script. Explicitly calling pg_close()
  before the script ends has no effect. The function does not need to
  successfully connect to a db to cause the error. I cannot find a
  combination of different connection string paramaters that make any
  difference to the bug.
  
  PHP packages installed
  
  libapache2-mod-php5 5.1.2-1ubuntu3.2
  php5-cli 5.1.2-1ubuntu3.2
  php5-cgi 5.1.2-1ubuntu3.2
  php5-common 5.1.2-1ubuntu3.2
  php5-pgsql 5.1.2-1ubuntu3.2
  php5-curl 5.1.2-1ubuntu3.2
  php5-gd 5.1.2-1ubuntu3.2
  php5-imap 5.1.2-1ubuntu3.2
  php5-mysql 5.1.2-1ubuntu3.2
  php5-mysqli 5.1.2-1ubuntu3.2
  php5-xsl 5.1.2-1ubuntu3.2
  
  PostgreSQL packages installed:
  
  postgresql-8.1 8.1.4-0ubuntu1
  postgresql-contrib-8.1 8.1.4-0ubuntu1
  postgresql-comon1 53ubuntu3
  postgresql-client-8.1 8.1.4-0ubuntu1
  postgresql-client-common 53ubuntu3
  
  WORKAROUNDS:
  
  1) Removing php5-curl solves the problem
  
  2) Moving the line "extension=curl.so" into pgsql.ini (before or after
  "extension=pgsql.so", it doesn't matter) solves the problem too, and
  curl can still be used.

-- 
PHP (cli) exits with a segfault if pg_connect() called.
https://bugs.launchpad.net/bugs/63141
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