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Bug #75352 Segmentation faults in Apache Log, SOAP related?
Submitted: 2017-10-10 15:20 UTC Modified: 2018-01-01 20:37 UTC
Avg. Score:5.0 ± 0.0
Reproduced:2 of 2 (100.0%)
Same Version:1 (50.0%)
Same OS:0 (0.0%)
From: nmiles at jbglobal dot co dot uk Assigned:
Status: Duplicate Package: SOAP related
PHP Version: 7.1.10 OS: Linux (Ubuntu 16.04)
Private report: No CVE-ID: None
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From: nmiles at jbglobal dot co dot uk
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 [2017-10-10 15:20 UTC] nmiles at jbglobal dot co dot uk
PHP running as Apache module, in error log:

[core:notice] [pid 1480] AH00051: child pid 29802 exit signal Segmentation fault (11), possible coredump in /etc/apache2

GDB backtrace from core dump:

Program terminated with signal SIGSEGV, Segmentation fault.

#0  0x00007feef9b81e8f in zend_hash_destroy () from /usr/lib/apache2/modules/

(gdb) bt

#0  0x00007feef9b81e8f in zend_hash_destroy () from /usr/lib/apache2/modules/

#1  0x00007feee5ec3a61 in delete_type_persistent () from /usr/lib/php/20160303/

#2  0x00007feef9b81de5 in zend_hash_destroy () from /usr/lib/apache2/modules/

#3  0x00007feee5eca921 in ?? () from /usr/lib/php/20160303/

#4  0x00007feee5eca98f in ?? () from /usr/lib/php/20160303/

#5  0x00007feef9b81e86 in zend_hash_destroy () from /usr/lib/apache2/modules/

#6  0x00007feee5e9b75b in zm_shutdown_soap () from /usr/lib/php/20160303/

#7  0x00007feef9b77217 in module_destructor () from /usr/lib/apache2/modules/

#8  0x00007feef9b6f90c in ?? () from /usr/lib/apache2/modules/

#9  0x00007feef9b82959 in zend_hash_graceful_reverse_destroy () from /usr/lib/apache2/modules/

#10 0x00007feef9b704b5 in zend_shutdown () from /usr/lib/apache2/modules/

#11 0x00007feef9b0cd9b in php_module_shutdown () from /usr/lib/apache2/modules/

#12 0x00007feef9b0ce59 in php_module_shutdown_wrapper () from /usr/lib/apache2/modules/

#13 0x00007feef9c16221 in ?? () from /usr/lib/apache2/modules/

#14 0x00007feefd447e3e in apr_pool_destroy () from /usr/lib/x86_64-linux-gnu/

#15 0x00007feefa1721be in clean_child_exit (code=code@entry=0) at prefork.c:227

#16 0x00007feefa1726bb in child_main (child_num_arg=child_num_arg@entry=98, child_bucket=child_bucket@entry=0)

    at prefork.c:744

#17 0x00007feefa172a74 in make_child (s=0x7feefdce5470, slot=98, bucket=0) at prefork.c:824

#18 0x00007feefa1738c5 in perform_idle_server_maintenance (p=<optimized out>) at prefork.c:932

#19 prefork_run (_pconf=<optimized out>, plog=<optimized out>, s=<optimized out>) at prefork.c:1128

#20 0x000055fd531ba46e in ap_run_mpm (pconf=0x7feefdd12028, plog=0x7feefdce0028, s=0x7feefdce5470) at mpm_common.c:94

#21 0x000055fd531b3400 in main (argc=3, argv=0x7fff573ad698) at main.c:777


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 [2018-01-01 20:37 UTC]
-Status: Open +Status: Duplicate
 [2018-01-01 20:37 UTC]
Based on the backtrace this is very likely the same issue as bug #75502, which is now fixed.
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