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Bug #73440 core dump when zend_destroy_property_info is called
Submitted: 2016-11-02 04:50 UTC Modified: 2016-11-13 04:22 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:0 of 0 (0.0%)
From: yywangzheng at 126 dot com Assigned:
Status: No Feedback Package: opcache
PHP Version: 5.6.27 OS: centos 7.1
Private report: No CVE-ID: None
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 [2016-11-02 04:50 UTC] yywangzheng at 126 dot com
Description:
------------
#0  zend_destroy_property_info (property_info=0x0)
    at /src/php-5.6.27/ext/opcache/zend_accelerator_util_funcs.c:219
No locals.
#1  0x00000000008543b8 in zend_hash_destroy (ht=0x7f640625d750)
    at /src/php-5.6.27/Zend/zend_hash.c:548
        p = 0x0
        q = 0x7f640625dfd8
#2  0x000000000083a5b6 in destroy_zend_class (pce=<optimized out>)
    at /src/php-5.6.27/Zend/zend_opcode.c:303
        ce = 0x7f640625d6e0
#3  0x0000000000852e16 in i_zend_hash_bucket_delete (p=0x552fae0, ht=0x1f15c50)
    at /src/php-5.6.27/Zend/zend_hash.c:182
No locals.
#4  zend_hash_bucket_delete (ht=ht@entry=0x1f15c50, p=p@entry=0x552fae0)
    at /src/php-5.6.27/Zend/zend_hash.c:192
No locals.
#5  0x00000000008548ea in zend_hash_reverse_apply (ht=0x1f15c50, 
    apply_func=apply_func@entry=0x835a30 <clean_non_persistent_class>)
    at /src/php-5.6.27/Zend/zend_hash.c:733
        result = 1
        p_last = 0x552fa90
        p = 0x552fae0
#6  0x00000000008361b3 in shutdown_executor ()
---Type <return> to continue, or q <return> to quit---
    at /src/php-5.6.27/Zend/zend_execute_API.c:300
        __orig_bailout = 0x7fff48c30dd0
        __bailout = {{__jmpbuf = {18548672, 2408040186032662389, 0, 
              140734414147329, 0, 140067576603728, -2407874094099355787, 
              2408040160359982965}, __mask_was_saved = 0, __saved_mask = {
              __val = {2408038309018052469, 16038869976030904320, 
                2408038405528463221, 36418072, 38, 36532536, 36520632, 
                36532584, 36520632, 0, 1, 18547152, 18548408, 140734414147329, 
                8672014, 18548320}}}}
#7  0x0000000000846732 in zend_deactivate () at /src/php-5.6.27/Zend/zend.c:960
No locals.
#8  0x00000000007e51b1 in php_request_shutdown (dummy=dummy@entry=0x0)
    at /src/php-5.6.27/main/main.c:1899
        report_memleaks = 1 '\001'
#9  0x0000000000441928 in main (argc=<optimized out>, argv=<optimized out>)
    at /src/php-5.6.27/sapi/fpm/fpm/fpm_main.c:2017
        primary_script = <optimized out>
        __orig_bailout = 0x0
        __bailout = {{__jmpbuf = {0, -2407874094905710731, 4, 140734414147444, 
              4294967295, 0, -2407874093971429515, 2408038538697484149}, 
            __mask_was_saved = 0, __saved_mask = {__val = {
                0 <repeats 16 times>}}}}
        exit_status = 0
---Type <return> to continue, or q <return> to quit---
        c = <optimized out>
        use_extended_info = 0
        file_handle = {type = ZEND_HANDLE_FILENAME, 
          filename = 0x7f640625f458 "H\364%\006d\177", opened_path = 0x0, 
          handle = {fd = 103366168, fp = 0x7f6406293e18, stream = {
              handle = 0x7f6406293e18, isatty = 0, mmap = {len = 138, pos = 0, 
                map = 0x0, 
                buf = 0x7f64062bf000 <Address 0x7f64062bf000 out of bounds>, 
                old_handle = 0x0, old_closer = 0x0}, 
              reader = 0x7fc850 <_php_stream_read>, 
              fsizer = 0x7e2bc0 <php_zend_stream_fsizer>, 
              closer = 0x7e2ba0 <php_zend_stream_mmap_closer>}}, 
          free_filename = 0 '\000'}
        orig_optind = 1
        orig_optarg = 0x0
        ini_entries_len = <optimized out>
        max_requests = 0
        requests = 275
        fcgi_fd = <optimized out>
        request = {listen_socket = 0, fd = 4, id = 1, keep = 0, closed = 0, 
          in_len = 0, in_pad = 0, out_hdr = 0x7fff48c30fa0, 
          out_pos = 0x7fff48c3107e "MT\r\nCache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0\r\nPragma: no-cache\r\nContent-type: tex---Type <return> to continue, or q <return> to quit---
t/html; charset=UTF-8\r\n\r\n[]", 
          out_buf = "\001\006\000\001\001g\001\000Status: 500 Internal Server Error\r\nExpires: Thu, 19 Nov 1981 08:52:00 GMT\r\nCache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0\r\nPragma: no-cache\r\nContent-type: text/h"..., reserved = '\000' <repeats 15 times>, env = 0x7f640625e040}
        fpm_config = 0x7fff48c34f74 ""
        fpm_prefix = 0x0
        fpm_pid = 0x0
        test_conf = 0
        force_daemon = 0
        force_stderr = 0
        php_information = 0
        php_allow_to_run_as_root = 0
        __func__ = "main"


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AllCommentsChangesGit/SVN commitsRelated reports
 [2016-11-02 07:46 UTC] laruence@php.net
-Status: Open +Status: Feedback
 [2016-11-02 07:46 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.


 [2016-11-04 13:28 UTC] yywangzheng at 126 dot com
sorry, i cannot reproduce it. the php-fpm was stable from that time. it only happened once when i upgraded php from 5.6.14 to 5.6.27. if you need more core dump info for diagnose the problem, pls let me know. i will send it to you. following is the latest php-fpm log:

[31-Oct-2016 14:32:31] NOTICE: reloading: execvp("/usr/local/php/sbin/php-fpm", {"/usr/local/php/sbin/php-fpm", "--nodaemonize", "--fpm-config", "/usr/local/php/etc/php-fpm.conf"})
[31-Oct-2016 14:32:31] NOTICE: using inherited socket fd=7, "127.0.0.1:9000"
[31-Oct-2016 14:32:31] NOTICE: using inherited socket fd=7, "127.0.0.1:9000"
[31-Oct-2016 14:32:31] NOTICE: fpm is running, pid 28234
[31-Oct-2016 14:32:31] NOTICE: ready to handle connections
[31-Oct-2016 18:01:21] NOTICE: Terminating ...
[31-Oct-2016 18:01:21] NOTICE: exiting, bye-bye!
[31-Oct-2016 18:01:21] NOTICE: fpm is running, pid 32261
[31-Oct-2016 18:01:21] NOTICE: ready to handle connections
[31-Oct-2016 19:16:24] WARNING: [pool www] child 32277 exited on signal 11 (SIGSEGV - core dumped) after 4502.770543 seconds from start
[31-Oct-2016 19:16:24] NOTICE: [pool www] child 8453 started
 [2016-11-13 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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