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Bug #74000 Segfault in zm_deactivate_user_filters
Submitted: 2017-01-26 07:11 UTC Modified: 2020-11-01 04:22 UTC
From: aseering at gmail dot com Assigned: cmb (profile)
Status: No Feedback Package: Reproducible crash
PHP Version: 7.0.15 OS: Linux - Ubuntu 16.04
Private report: No CVE-ID: None
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From: aseering at gmail dot com
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 [2017-01-26 07:11 UTC] aseering at gmail dot com 
Description:
------------
I use the AfterLogic Light webmail program, written in PHP.  When I send an e-mail, PHP segfaults.  This is 100% reproducible; the stack always looks essentially the same.

I unfortunately don't have a tight reproducer at this time.  I do have a core file, and have posted a stack trace.  I can look into potentially coming up with a tighter reproducer if what's going on is not apparent from the core file or stack trace.

Test script:
---------------
http://www.afterlogic.org/download/webmail-lite-php

Actual result:
--------------
#0  0x00007f26e1949798 in ?? () from /usr/lib/apache2/modules/libphp7.0.so
#1  0x00007f26e19c8605 in zend_hash_destroy () from /usr/lib/apache2/modules/libphp7.0.so
#2  0x00007f26e1949ce9 in zm_deactivate_user_filters () from /usr/lib/apache2/modules/libphp7.0.so
#3  0x00007f26e18f254a in zm_deactivate_basic () from /usr/lib/apache2/modules/libphp7.0.so
#4  0x00007f26e19bdf74 in zend_deactivate_modules () from /usr/lib/apache2/modules/libphp7.0.so
#5  0x00007f26e1955d65 in php_request_shutdown () from /usr/lib/apache2/modules/libphp7.0.so
#6  0x00007f26e1a4d817 in ?? () from /usr/lib/apache2/modules/libphp7.0.so
#7  0x000055ac58a835a0 in ap_run_handler (r=r@entry=0x7f26cddae0a0) at config.c:169
#8  0x000055ac58a83b26 in ap_invoke_handler (r=r@entry=0x7f26cddae0a0) at config.c:433
#9  0x000055ac58a9afc2 in ap_process_async_request (r=0x7f26cddae0a0) at http_request.c:410
#10 0x000055ac58a9b170 in ap_process_request (r=r@entry=0x7f26cddae0a0) at http_request.c:445
#11 0x000055ac58a9723e in ap_process_http_sync_connection (c=0x7f26e6389290) at http_core.c:210
#12 ap_process_http_connection (c=0x7f26e6389290) at http_core.c:251
#13 0x000055ac58a8d510 in ap_run_process_connection (c=c@entry=0x7f26e6389290) at connection.c:41
#14 0x000055ac58a8d920 in ap_process_connection (c=c@entry=0x7f26e6389290, csd=<optimized out>) at connection.c:213
#15 0x00007f26e1fa27e9 in child_main (child_num_arg=child_num_arg@entry=1, child_bucket=child_bucket@entry=0) at prefork.c:723
#16 0x00007f26e1fa2a74 in make_child (s=0x7f26e654b470, slot=slot@entry=1, bucket=0) at prefork.c:824
#17 0x00007f26e1fa2aeb in startup_children (number_to_start=4) at prefork.c:843
#18 0x00007f26e1fa3ac7 in prefork_run (_pconf=<optimized out>, plog=0x7f26e6548028, s=0x7f26e654b470) at prefork.c:1010
#19 0x000055ac58a67abe in ap_run_mpm (pconf=0x7f26e657b028, plog=0x7f26e6548028, s=0x7f26e654b470) at mpm_common.c:94
#20 0x000055ac58a61160 in main (argc=3, argv=0x7ffd0bc11e58) at main.c:777

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 [2020-10-18 21:33 UTC] cmb@php.net
-Status: Open +Status: Feedback -Assigned To: +Assigned To: cmb
 [2020-10-18 21:33 UTC] cmb@php.net 
Can you still reproduce this with any of the actively supported
PHP versions[1]?

[1] <https://www.php.net/supported-versions.php>
 [2020-11-01 04:22 UTC] php-bugs at lists dot php dot net 
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
 
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