[jira] [Updated] (TS-681) Possible segfault in ::write()

["Leif Hedstrom (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leif Hedstrom updated TS-681:
-----------------------------

    Fix Version/s:     (was: 3.1)

> Possible segfault in ::write()
> ------------------------------
>
>                 Key: TS-681
>                 URL: https://issues.apache.org/jira/browse/TS-681
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.1.6
>            Reporter: Leif Hedstrom
>
> I've seen this stacktrace now a couple of times, I have not tried to track it down / debug. 
> (gdb) bt
> #0  0x0000003c5de0df1d in write () at ../sysdeps/unix/syscall-template.S:82
> #1  0x00000000006b63a8 in write (this=0x7fffc007ce30, towrite=53, wattempted=@0x7ffff691dbf0, 
>     total_wrote=@0x7ffff691dc00, buf=<value optimized out>) at ../../iocore/eventsystem/P_UnixSocketManager.h:207
> #2  UnixNetVConnection::load_buffer_and_write (this=0x7fffc007ce30, towrite=53, wattempted=@0x7ffff691dbf0, 
>     total_wrote=@0x7ffff691dc00, buf=<value optimized out>) at UnixNetVConnection.cc:865
> #3  0x00000000006b9656 in write_to_net_io (nh=0x7ffff6d24628, vc=0x7fffc007ce30, thread=<value optimized out>)
>     at UnixNetVConnection.cc:461
> #4  0x00000000006b0180 in NetHandler::mainNetEvent (this=0x7ffff6d24628, event=<value optimized out>, 
>     e=<value optimized out>) at UnixNet.cc:421
> #5  0x00000000006e195e in handleEvent (this=0x7ffff6d23010, e=0xf9d510, calling_code=5) at I_Continuation.h:146
> #6  EThread::process_event (this=0x7ffff6d23010, e=0xf9d510, calling_code=5) at UnixEThread.cc:140
> #7  0x00000000006e22c8 in EThread::execute (this=0x7ffff6d23010) at UnixEThread.cc:262
> #8  0x00000000006e159a in spawn_thread_internal (a=0xf8fec0) at Thread.cc:85
> #9  0x0000003c5de06ccb in start_thread (arg=0x7ffff691e700) at pthread_create.c:301
> #10 0x0000003c5d2e0c2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

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