[asterisk-bugs] [JIRA] (ASTERISK-24403) Crashed in strncasecmp from /lib/libc.so.6 - in __get_header at chan_sip.c

[Rusty Newton (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-24403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=222932#comment-222932 ] 

Rusty Newton edited comment on ASTERISK-24403 at 10/8/14 1:31 PM:
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Per the IRC conversation; adding a note here that a log [including DEBUG channel messages|https://wiki.asterisk.org/wiki/display/AST/Collecting+Debug+Information] would be very useful in investigating this further.

Also it is recommended to upgrade to the latest minor in the branch (if possible and reasonable) as with the time between 1.8.22 and 1.8.31 there may be security vulnerabilities ( you can check the commit and change logs) existing in your install.


was (Author: rnewton):
Per the IRC conversation; adding a note here that a log [including DEBUG channel messages|https://wiki.asterisk.org/wiki/display/AST/Collecting+Debug+Information] would be very useful in investigating this further.

> Crashed in strncasecmp from /lib/libc.so.6 - in __get_header at chan_sip.c
> --------------------------------------------------------------------------
>
>                 Key: ASTERISK-24403
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24403
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 1.8.22.0
>         Environment: CentOS release 5.9 (Final)
>            Reporter: Eric H
>            Severity: Critical
>         Attachments: backtrace.txt, messagelog.txt
>
>
> [Edit by Rusty - giant chunk of inline debug removed per the guidelines.]
> {noformat}
> Program terminated with signal 11, Segmentation fault.
> <snip>
> (gdb) bt
> #0 0x00e2cfa7 in strncasecmp () from /lib/libc.so.6
> #1 0x06d80c17 in __get_header (req=0xab90c2a4, name=0x6e09e5c "Via", start=0xb7c6f750) at chan_sip.c:7763
> #2 0x06d8cc05 in copy_via_headers (p=0xab90ba40, req=0xb7c6fc90, orig=0xab90c2a4, field=0x6e09e5c "Via") at chan_sip.c:10425
> #3 0x06d8d74b in respprep (resp=0xb7c6fc90, p=0xab90ba40, msg=0x6e07d24 "183 Session Progress", req=0xab90c2a4) at chan_sip.c:10715
> #4 0x06d8eba8 in __transmit_response (p=0xab90ba40, msg=0x6e07d24 "183 Session Progress", req=0xab90c2a4, reliable=XMIT_UNRELIABLE) at chan_sip.c:10947
> #5 0x06d8f53d in transmit_response (p=0xab90ba40, msg=0x6e07d24 "183 Session Progress", req=0xab90c2a4) at chan_sip.c:11083
> <snip>
> {noformat}



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