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Bug #71556 Segmentation Fault when running tests
Submitted: 2016-02-09 08:29 UTC Modified: 2016-02-21 04:22 UTC
From: fenix440 at gmail dot com Assigned:
Status: No Feedback Package: *General Issues
PHP Version: 7.0.3 OS: ubuntu 14.04.3
Private report: No CVE-ID: None
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 [2016-02-09 08:29 UTC] fenix440 at gmail dot com 
Description:
------------
We develop standard api application with some integration tests (laravel5.2.x,mysql5.7.11).

During tests execution we receive Segmentation Fault. But when we repeat the same tests in php5.6.x all tests pass. We have a little information why this happens and attempted to find the cause of this issue in our tests, but without success.


Actual result:
--------------
Program received signal SIGSEGV, Segmentation fault.
_zend_hash_add_or_update_i (flag=8, pData=0x7ffffffef990, key=0xfffffffe0000001e, ht=0x7fffe74a95b0) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_hash.c:603
603	in /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_hash.c
#0  _zend_hash_add_or_update_i (flag=8, pData=0x7ffffffef990, key=0xfffffffe0000001e, ht=0x7fffe74a95b0) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_hash.c:603
#1  _zend_hash_add_new (ht=0x7fffe74a95b0, key=key@entry=0xfffffffe0000001e, pData=0x7ffffffef990) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_hash.c:640
#2  0x0000000000620b96 in zif_array_map (execute_data=<optimized out>, return_value=0x7fffe743fdc0) at /build/php7.0-5gQmPU/php7.0-7.0.3/ext/standard/array.c:5298
#3  0x000000000070d02b in dtrace_execute_internal (execute_data=<optimized out>, return_value=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:107
#4  0x00007ffff50d43b1 in xdebug_execute_internal (current_execute_data=0x7fffe743fe60, return_value=0x7fffe743fdc0) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:2025
#5  0x00000000007951e3 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:844
#6  0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#7  0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#8  0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743fd30) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880
#9  0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#10 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#11 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#12 0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743fc10) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880
#13 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#14 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#15 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#16 0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743fa30) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880
#17 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#18 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#19 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#20 0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743f8d0) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880
#21 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#22 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#23 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#24 0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743f690) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880
#25 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#26 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#27 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#28 0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743f580) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880
#29 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#30 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#31 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#32 0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743f4f0) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880
#33 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#34 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#35 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#36 0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743f380) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880
#37 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#38 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#39 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#40 0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743f1d0) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880
#41 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#42 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#43 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#44 0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743f0b0) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880
#45 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#46 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#47 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#48 0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743ef80) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880
#49 0x000000000070e84c in zend_call_function (fci=fci@entry=0x7fffffff0c10, fci_cache=fci_cache@entry=0x7fffffff0be0) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_execute_API.c:860
#50 0x000000000062342d in zif_call_user_func_array (execute_data=0x7fffe743ef00, return_value=0x7fffe743eec0) at /build/php7.0-5gQmPU/php7.0-7.0.3/ext/standard/basic_functions.c:4811
#51 0x000000000070d02b in dtrace_execute_internal (execute_data=<optimized out>, return_value=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:107
#52 0x00007ffff50d43b1 in xdebug_execute_internal (current_execute_data=0x7fffe743ef00, return_value=0x7fffe743eec0) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:2025
#53 0x00000000007951e3 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:844
#54 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#55 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#56 0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743ee00) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880
#57 0x000000000079a17d in ZEND_CALL_TRAMPOLINE_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:1771
#58 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#59 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#60 0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743ee00) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880
#61 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#62 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#63 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#64 0x00007ffff50d3a3f in xdebug_execute_ex (execute_data=0x7fffe743ed90) at /build/xdebug-SvyDTo/xdebug-2.4.0~rc4/xdebug-2.4.0RC4/xdebug.c:1880

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 [2016-02-09 09:24 UTC] yohgaki@php.net
-Status: Open +Status: Feedback
 [2016-02-09 09:24 UTC] yohgaki@php.net 
Try without XDebug to see if it helps.
 [2016-02-09 10:46 UTC] fenix440 at gmail dot com
-Status: Feedback +Status: Open
 [2016-02-09 10:46 UTC] fenix440 at gmail dot com 
The same issue even when xdebug is disabled.
 [2016-02-09 10:49 UTC] fenix440 at gmail dot com 
This is what I get after disabling xdebug: 

Program received signal SIGSEGV, Segmentation fault.
_zend_hash_add_or_update_i (flag=8, pData=0x7fffffff3770, key=0x68, ht=0x7fffe7aeb5e8) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_hash.c:603
603     in /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_hash.c
(gdb) bt
#0  _zend_hash_add_or_update_i (flag=8, pData=0x7fffffff3770, key=0x68, ht=0x7fffe7aeb5e8) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_hash.c:603
#1  _zend_hash_add_new (ht=0x7fffe7aeb5e8, key=key@entry=0x68, pData=0x7fffffff3770) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_hash.c:640
#2  0x0000000000620b96 in zif_array_map (execute_data=<optimized out>, return_value=0x7fffe7a81dc0) at /build/php7.0-5gQmPU/php7.0-7.0.3/ext/standard/array.c:5298
#3  0x000000000070d02b in dtrace_execute_internal (execute_data=<optimized out>, return_value=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:107
#4  0x00000000007951e3 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:844
#5  0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#6  0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#7  0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#8  0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#9  0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#10 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#11 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#12 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#13 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#14 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#15 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#16 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#17 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#18 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#19 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#20 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#21 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#22 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#23 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#24 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#25 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#26 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#27 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#28 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#29 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#30 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
#31 0x0000000000794ec0 in ZEND_DO_FCALL_SPEC_HANDLER () at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:800
#32 0x0000000000757e8b in execute_ex (ex=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_vm_execute.h:414
#33 0x000000000070cf29 in dtrace_execute_ex (execute_data=<optimized out>) at /build/php7.0-5gQmPU/php7.0-7.0.3/Zend/zend_dtrace.c:83
 [2016-02-09 13:38 UTC] laruence@php.net
-Status: Open +Status: Feedback
 [2016-02-09 13:38 UTC] laruence@php.net 
Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves. 

A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external 
resources such as databases, etc. If the script requires a 
database to demonstrate the issue, please make sure it creates 
all necessary tables, stored procedures etc.

Please avoid embedding huge scripts into the report.
 [2016-02-21 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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