[jira] [Commented] (TS-2564) Segmentation fault in 4.2.0-rc0

["Bryan Call (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TS-2564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13897079#comment-13897079 ] 

Bryan Call commented on TS-2564:
--------------------------------

In frame 5:

{code}
#5  HttpTransact::merge_response_header_with_cached_header (cached_header=0x2acde002fa40, response_header=0x2accc168b1d8) at HttpTransact.cc:4914

          cached_header->field_delete(dname, dlen);

(gdb) p field
$19 = (MIMEField *) 0x2acd57070158
(gdb) p field->m_next_dup
$20 = (MIMEField *) 0x2acd57070178
{code}

But in frame 2 it is trying to delete another field:

{code}
#2  0x00000000005c322c in mime_hdr_field_delete (heap=0x2acd02e10810, mh=0x2acd02e108c8, field=0x2acd02e10ab8, delete_all_dups=<value optimized out>) at MIME.cc:1586

      mime_hdr_field_detach(mh, field, 0);

(gdb) p next
$1 = (MIMEField *) 0x2b723a7d9ca8
(gdb) p *next
Cannot access memory at address 0x2b723a7d9ca8
{code}

> Segmentation fault in 4.2.0-rc0
> -------------------------------
>
>                 Key: TS-2564
>                 URL: https://issues.apache.org/jira/browse/TS-2564
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: HTTP
>            Reporter: Bryan Call
>            Priority: Blocker
>             Fix For: 4.2.0
>
>
> Segmentation fault in mime_hdr_set_accelerators_and_presence_bits() in 4.2.0-rc0:
> {code}
> (gdb) bt
> #0  mime_hdr_set_accelerators_and_presence_bits (mh=0x2acd02e108c8, field=<value optimized out>, detach_all_dups=false) at MIME.cc:469
> #1  mime_hdr_field_detach (mh=0x2acd02e108c8, field=<value optimized out>, detach_all_dups=false) at MIME.cc:1538
> #2  0x00000000005c322c in mime_hdr_field_delete (heap=0x2acd02e10810, mh=0x2acd02e108c8, field=0x2acd02e10ab8, delete_all_dups=<value optimized out>) at MIME.cc:1586
> #3  0x000000000053cb5b in field_delete (cached_header=0x2acde002fa40, response_header=0x2accc168b1d8) at ../../proxy/hdrs/MIME.h:1107
> #4  field_delete (cached_header=0x2acde002fa40, response_header=0x2accc168b1d8) at ../../proxy/hdrs/MIME.h:1115
> #5  HttpTransact::merge_response_header_with_cached_header (cached_header=0x2acde002fa40, response_header=0x2accc168b1d8) at HttpTransact.cc:4914
> {code}



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