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  1. Traffic Server
  2. TS-4913

Crash with active timeout

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Blocker
    • Resolution: Duplicate
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: HTTP
    • Labels:
      None

      Description

      Program received signal SIGSEGV, Segmentation fault.
      [Switching to Thread 0x7ffff0859700 (LWP 5234)]
      0x00000000005c3c98 in ProxyClientTransaction::get_netvc (this=0x60ae0001c4e0) at http/../ProxyClientTransaction.h:43
      43          return (parent) ? parent->get_netvc() : NULL;
      Missing separate debuginfos, use: debuginfo-install glibc-2.17-106.el7_2.4.x86_64 libasan-4.8.3-9.el7.x86_64 libgcc-4.8.3-9.el7.x86_64 libstdc++-4.8.3-9.el7.x86_64 nss-softokn-freebl-3.16.2.3-14.2.el7_2.x86_64 pcre-8.32-15.el7_2.1.x86_64 tcl-8.5.13-4.el7.x86_64 xz-libs-5.1.2-9alpha.el7.x86_64 zlib-1.2.7-13.el7.x86_64
      (gdb) bt
      #0  0x00000000005c3c98 in ProxyClientTransaction::get_netvc (this=0x60ae0001c4e0) at http/../ProxyClientTransaction.h:43
      #1  0x00000000006b7376 in HttpSM::update_stats (this=0x7fffe69c71e0) at HttpSM.cc:6967
      #2  0x00000000006b5d6c in HttpSM::kill_this (this=0x7fffe69c71e0) at HttpSM.cc:6833
      #3  0x000000000068f7d2 in HttpSM::main_handler (this=0x7fffe69c71e0, event=105, data=0x60aa00017e48) at HttpSM.cc:2671
      #4  0x0000000000535fac in Continuation::handleEvent (this=0x7fffe69c71e0, event=105, data=0x60aa00017e48) at ../iocore/eventsystem/I_Continuation.h:153
      #5  0x0000000000a1dc60 in read_signal_and_update (event=105, vc=0x60aa00017d20) at UnixNetVConnection.cc:143
      #6  0x0000000000a25c8b in UnixNetVConnection::mainEvent (this=0x60aa00017d20, event=1, e=0x7ffff08588f0) at UnixNetVConnection.cc:1241
      #7  0x0000000000535fac in Continuation::handleEvent (this=0x60aa00017d20, event=1, data=0x7ffff08588f0) at ../iocore/eventsystem/I_Continuation.h:153
      #8  0x0000000000a0df73 in NetHandler::_close_vc (this=0x7ffff16874e0, vc=0x60aa00017d20, now=1475220689249441376, handle_event=@0x7ffff0858a50: 0,
          closed=@0x7ffff0858a10: 0, total_idle_time=@0x7ffff0858a90: 1, total_idle_count=@0x7ffff0858ad0: 1) at UnixNet.cc:668
      #9  0x0000000000a0ccd2 in NetHandler::manage_active_queue (this=0x7ffff16874e0, ignore_queue_size=true) at UnixNet.cc:577
      #10 0x0000000000a0f53c in InactivityCop::check_inactivity (this=0x600c0001d2a0, event=2, e=0x608e00006ca0) at UnixNet.cc:93
      #11 0x0000000000535fac in Continuation::handleEvent (this=0x600c0001d2a0, event=2, data=0x608e00006ca0) at ../iocore/eventsystem/I_Continuation.h:153
      #12 0x0000000000a69c85 in EThread::process_event (this=0x7ffff1683800, e=0x608e00006ca0, calling_code=2) at UnixEThread.cc:143
      #13 0x0000000000a6a4d5 in EThread::execute (this=0x7ffff1683800) at UnixEThread.cc:225
      #14 0x0000000000a685d0 in spawn_thread_internal (a=0x600800015950) at Thread.cc:84
      #15 0x00007ffff4e64ac8 in ?? () from /lib64/libasan.so.0
      #16 0x00007ffff349ddc5 in start_thread () from /lib64/libpthread.so.0
      #17 0x00007ffff27a828d in clone () from /lib64/libc.so.6
      (gdb) p parent
      $1 = (ProxyClientSession *) 0x60ae0001c200
      (gdb) p parent->get_netvc()
      Cannot access memory at address 0x88
      

      Conditions

      • TS with debug and ASan
      • records.config
        CONFIG proxy.config.http.transaction_active_timeout_in INT 1
        
      • Using httpbin as origin server and remap to it
      • access to 'http://localhost:8080/httpbin/delay/2' via curl

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              • Assignee:
                Unassigned
                Reporter:
                masaori Masaori Koshiba
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                Dates

                • Created:
                  Updated:
                  Resolved: