[jira] [Commented] (TS-3926) Segfault in traffic_server -R 1 after TS-3885

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TS-3926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14903596#comment-14903596 ] 

ASF subversion and git services commented on TS-3926:
-----------------------------------------------------

Commit ddadf76dab5da54e6c42973e4a21b380b683dce4 in trafficserver's branch refs/heads/master from [~zwoop]
[ https://git-wip-us.apache.org/repos/asf?p=trafficserver.git;h=ddadf76 ]

Revert "TS-3885: Clang format"

This reverts commit 9cb0b497b5bd5e209d728a0aaca22d6c6a7ed7a3.

These commits breaks CI in that the regressions can segfault.
See TS-3926 for details.


> Segfault in traffic_server -R 1 after TS-3885
> ---------------------------------------------
>
>                 Key: TS-3926
>                 URL: https://issues.apache.org/jira/browse/TS-3926
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: Core
>            Reporter: Leif Hedstrom
>            Priority: Blocker
>              Labels: crash
>             Fix For: 6.1.0
>
>
> As of ~9/20, we are seeing intermittent crashes in the regressions. Here's an example crash:
> {code}
> #0  0x00000000004f11ac in Ptr<IOBufferBlock>::operator IOBufferBlock* (this=0x10) at ../../lib/ts/Ptr.h:300
> #1  0x0000000000508802 in IOBufferReader::read_avail (this=0x0) at ../../iocore/eventsystem/P_IOBuffer.h:606
> #2  0x0000000000771da8 in write_to_net_io (nh=0x7f0c5755cb90, vc=0x7f0c480a7670, thread=0x7f0c57559010)
>     at ../../../iocore/net/UnixNetVConnection.cc:553
> #3  0x0000000000771679 in write_to_net (nh=0x7f0c5755cb90, vc=0x7f0c480a7670, thread=0x7f0c57559010)
>     at ../../../iocore/net/UnixNetVConnection.cc:422
> #4  0x00000000007689d9 in NetHandler::mainNetEvent (this=0x7f0c5755cb90, event=5, e=0x1e8bdf0)
>     at ../../../iocore/net/UnixNet.cc:532
> #5  0x00000000005083a4 in Continuation::handleEvent (this=0x7f0c5755cb90, event=5, data=0x1e8bdf0)
>     at ../../iocore/eventsystem/I_Continuation.h:146
> #6  0x0000000000793570 in EThread::process_event (this=0x7f0c57559010, e=0x1e8bdf0, calling_code=5)
>     at ../../../iocore/eventsystem/UnixEThread.cc:128
> #7  0x0000000000793b27 in EThread::execute (this=0x7f0c57559010) at ../../../iocore/eventsystem/UnixEThread.cc:252
> #8  0x0000000000792ad3 in spawn_thread_internal (a=0x1e5a3d0) at ../../../iocore/eventsystem/Thread.cc:86
> #9  0x00007f0c5a523182 in start_thread (arg=0x7f0c57457700) at pthread_create.c:312
> #10 0x00007f0c5982c47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
> {code}



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