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Bug #68999 SIGPIPE in cli-server
Submitted: 2015-02-06 17:42 UTC Modified: 2021-10-31 04:22 UTC
Votes:1
Avg. Score:1.0 ± 0.0
Reproduced:0 of 0 (0.0%)
From: hannes dot magnusson at gmail dot com Assigned: cmb (profile)
Status: No Feedback Package: Built-in web server
PHP Version: 5.5.21 OS: Ubuntu
Private report: No CVE-ID: None
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From: hannes dot magnusson at gmail dot com
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 [2015-02-06 17:42 UTC] hannes dot magnusson at gmail dot com 
Description:
------------
Refreshing possibly not-existing page (that then becomes available) frequently resulted in a sigpipe.

Actual result:
--------------
(gdb) bt full
#0  0x00007ffff68e525d in __libc_send (fd=4, buf=0x1a1f4b0, n=1168, flags=-1) at ../sysdeps/unix/sysv/linux/x86_64/send.c:27
        resultvar = 18446744073709551584
        oldtype = -17552
#1  0x00000000009de051 in php_cli_server_client_send_through (client=0x18df5d0, str=0x1a1f4b0 "\037\213\b", str_len=1168)
    at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:1815
        nbytes_sent = 1581478478088291072
        tv = {
          tv_sec = 10, 
          tv_usec = 0
        }
        nbytes_left = 1168
#2  0x00000000009da423 in sapi_cli_server_ub_write (str=0x1a1f4b0 "\037\213\b", str_length=1168, tsrm_ls=0x119da80)
    at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:619
        client = 0x18df5d0
#3  0x0000000000866cc9 in php_output_op (op=0, str=0x1a1f4b0 "\037\213\b", len=1168, tsrm_ls=0x119da80)
    at /usr/local/p/src/5.5.17/main/output.c:1093
        context = {
          op = 0, 
          in = {
            data = 0x0, 
            size = 0, 
            used = 0, 
            free = 0, 
            _res = 0
          }, 
          out = {
            data = 0x1a1f4b0 "\037\213\b", 
            size = 0, 
            used = 1168, 
            free = 0, 
            _res = 0
          }, 
          tsrm_ls = 0x119da80
        }
        active = 0x83d127 <ts_resource_ex+50 at /usr/local/p/src/5.5.17/TSRM/TSRM.c:329>
        obh_cnt = 112
#4  0x0000000000864541 in php_output_write (str=0x1a1f4b0 "\037\213\b", len=1168, tsrm_ls=0x119da80)
    at /usr/local/p/src/5.5.17/main/output.c:269
No locals.
#5  0x0000000000867345 in php_output_stack_pop (flags=1, tsrm_ls=0x119da80) at /usr/local/p/src/5.5.17/main/output.c:1256
        context = {
          op = 9, 
          in = {
            data = 0x18089b0 "<!DOCTYPE html>\n<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\">\n<head>\n\n  <meta charset=\"utf-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"> \n\n  <title>PHP: 404 Not "..., 
            size = 20480, 
            used = 3146, 
            free = 0, 
            _res = 0
          }, 
          out = {
            data = 0x1a1f4b0 "\037\213\b", 
            size = 3216, 
            used = 1168, 
            free = 1, 
            _res = 0
          }, 
          tsrm_ls = 0x119da80
        }
        current = 0x0
        orphan = 0x19016a0
#6  0x000000000086494a in php_output_end_all (tsrm_ls=0x119da80) at /usr/local/p/src/5.5.17/main/output.c:350
No locals.
#7  0x0000000000846ae3 in php_request_shutdown (dummy=0x0) at /usr/local/p/src/5.5.17/main/main.c:1766
        send_buffer = 1 '\001'
        __orig_bailout = 0x7fffffffdaa0
        __bailout =           {{
            __jmpbuf =               {0,
              8390257034011823021,
              4358288,
              140737488346192,
              0,
              0,
              8390257032585759661,
              -8390258165219112019}, 
            __mask_was_saved = 0, 
            __saved_mask = {
              __val =                 {140737488346192,
                0,
                0,
                8390257032579468205,
                10056485908490439597,
                140733193388032,
                140737326355408,
                0,
                82,
                18446603336221212561,
                140737329821536,
                64,
                4358288,
                140737488346192,
                0,
                0}
            }
          }}
        report_memleaks = 1 '\001'
        tsrm_ls = 0x119da80
#8  0x00000000009e0042 in php_cli_server_request_shutdown (server=0x119a1c0 <server>, client=0x18df5d0, tsrm_ls=0x119da80)
    at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:2108
No locals.
#9  0x00000000009e04fe in php_cli_server_dispatch (server=0x119a1c0 <server>, client=0x18df5d0, tsrm_ls=0x119da80)
    at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:2176
        is_static_file = 1
#10 0x00000000009e0d8f in php_cli_server_recv_event_read_request (server=0x119a1c0 <server>, client=0x18df5d0, tsrm_ls=0x119da80)
    at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:2365
        errstr = 0x0
        status = 1
#11 0x00000000009e11a3 in php_cli_server_do_event_for_each_fd_callback (_params=0x7fffffffc850, fd=4, event=1)
    at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:2456
        client = 0x1836408
        params = 0x7fffffffc850
        tsrm_ls = 0x119da80
        server = 0x119a1c0 <server>
#12 0x00000000009dbc65 in php_cli_server_poller_iter_on_active (poller=0x119a1c8 <server+8>, opaque=0x7fffffffc850, 
    callback=0x9e0f32 <php_cli_server_do_event_for_each_fd_callback at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:2413>)
    at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:955
        retval = 0
        fd = 4
        max_fd = 4
#13 0x00000000009e1249 in php_cli_server_do_event_for_each_fd (server=0x119a1c0 <server>, 
    rhandler=0x9e0c71 <php_cli_server_recv_event_read_request at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:2353>, 
    whandler=0x9e0dca <php_cli_server_send_event at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:2374>, tsrm_ls=0x119da80)
    at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:2477
        params = {
          tsrm_ls = 0x119da80, 
          server = 0x119a1c0 <server>, 
          rhandler = 0x9e0c71 <php_cli_server_recv_event_read_request at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:2353>, 
          whandler = 0x9e0dca <php_cli_server_send_event at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:2374>
        }
#14 0x00000000009e12db in php_cli_server_do_event_loop (server=0x119a1c0 <server>, tsrm_ls=0x119da80)
    at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:2487
        tv = {
          tv_sec = 0, 
          tv_usec = 999971
        }
        n = 1
        retval = 0
#15 0x00000000009e16cb in do_cli_server (argc=4, argv=0x119d940, tsrm_ls=0x119da80)
    at /usr/local/p/src/5.5.17/sapi/cli/php_cli_server.c:2588
        php_optarg = 0x119d9c0 "10.5.0.91:8080"
        php_optind = 3
        c = -1
        server_bind_address = 0x119d9c0 "10.5.0.91:8080"
        document_root = 0x7fffffffca10 "/home/bjori/Sources/php/phpweb"
        router = 0x119d9e0 ".router.php"
        document_root_buf =           "/home/bjori/Sources/php/phpweb", '\000' <repeats 82 times>, "`\317\377\377\377\177\000\000\240\312\377\377\377\177\000\000\304\314\377\377\377\177\000\000\224\317\377\377\377\177\000\000\340\312\377\377\377\177\000\000\204\240c", '\000' <repeats 13 times>, "\274\314\377\377\377\177\000\000\214\317\377\377\377\177\000\000@\206\027\001\000\000\000\000\020\314\377\377\377\177\000\000"...
#16 0x00000000009d509d in main (argc=4, argv=0x119d940) at /usr/local/p/src/5.5.17/sapi/cli/php_cli.c:1381
        __orig_bailout = 0x0
        __bailout =           {{
            __jmpbuf =               {0,
              8390257033854536621,
              4358288,
              140737488346192,
              0,
              0,
              8390257033896479661,
              -8390258244354487379}, 
            __mask_was_saved = 0, 
            __saved_mask = {
              __val =                 {140737488345856,
                4131212846,
                4281292,
                4294967295,
                140737351947607,
                140737325961640,
                140737353977856,
                140737354129864,
                140737325942440,
                1,
                10362877,
                140737488346200,
                0,
                10362800,
                4358288,
                140737488346192}
            }
          }}
        tsrm_ls = 0x119da80
        c = -1
        exit_status = 0
        module_started = 1
        sapi_started = 1
        php_optarg = 0x119d9c0 "10.5.0.91:8080"
        php_optind = 3
        use_extended_info = 0
        ini_path_override = 0x0
        ini_entries = 0x0
        ini_entries_len = 0
        ini_ignore = 0
        sapi_module = 0x1182640 <cli_server_sapi_module>

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 [2021-10-18 14:49 UTC] cmb@php.net
-Status: Open +Status: Feedback -Assigned To: +Assigned To: cmb
 [2021-10-18 14:49 UTC] cmb@php.net 
Does this still happen to you with any of the actively supported
PHP versions[1]?

[1] <https://www.php.net/supported-versions.php>
 [2021-10-31 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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