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Summary:ASTERISK-27951: Segfault in res_pjsip_t38.so on incoming fax
Reporter:Robert Bailey (rbailey1)Labels:fax
Date Opened:2018-07-02 19:28:12Date Closed:2018-07-02 19:51:49
Priority:MajorRegression?
Status:Closed/CompleteComponents:Channels/chan_sip/T.38
Versions:15.1.3 Frequency of
Occurrence
Frequent
Related
Issues:
duplicatesASTERISK-27944 res_pjsip_t38: Crash receiving 1xx responses other than 100 before 200 for T.38 reINVITE
Environment:CentOS Linux release 7.4.1708 Asterisk 15.1.3 (from source) T38Modem 3.15.3 (from source) Hylafax 5.5.9 (from source)Attachments:( 0) coredump_backtrace.tgz
Description:Regularly through the day, it appears that inbound faxes are causing Asterisk to segfault with errors like the following:

[29817.163018] asterisk[95893]: segfault at 8 ip 00007f25bf390bac sp 00007f25b3777850 error 4 in res_pjsip_t38.so[7f25bf38d000+7000]

System was previously stable, and nothing was changed prior to this issue beginning.
Comments:By: Asterisk Team (asteriskteam) 2018-07-02 19:28:13.660-0500

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

By: Robert Bailey (rbailey1) 2018-07-02 19:30:38.090-0500

Core dump backtrace