[asterisk-bugs] [JIRA] (ASTERISK-27792) res_pjsip: Segfault when calling pjsip_hdr_print_on in sip_msg.c:581

[Joshua Colp (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=242951#comment-242951 ] 

Joshua Colp commented on ASTERISK-27792:
----------------------------------------

It's also in the 13 branch itself:

{noformat}
✔ jcolp at upsilon:~/development/asterisk/public [13| …1]> ls third-party/pjproject/patches/
0000-remove-third-party.patch                                    0050-dont_terminate_session_early.patch                          asterisk_malloc_debug.c
0000-set_apps_initial_log_level.patch                            0060-sip_msg-Prevent-crash-on-header-without-vptr.patch          asterisk_malloc_debug.h
0021-sip_parser-Fix-return-code-in-pjsip_find_msg-and-add.patch  0070-os_core_unix-Set-mutex-NULL-in-atomic-destroy-and-ad.patch  config_site.h
0030-sip_transport-Destroy-transports-not-in-hash.patch          0080-timer-Clean-up-usage-of-timer-heap.patch                    README
0040-183_without_to_tag.patch                                    0090-sip_transaction-In-tsx_timer_callback-check-if-tsx-i.patch  user.mak
{noformat}

And gets applied as expected during the build process when bundled is enabled.

> res_pjsip: Segfault when calling pjsip_hdr_print_on in sip_msg.c:581
> --------------------------------------------------------------------
>
>                 Key: ASTERISK-27792
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27792
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_pjsip
>    Affects Versions: 13.20.0
>         Environment: CentOS
>            Reporter: Ross Beer
>              Labels: pjsip
>
> Since upgrading to pjproject 2.7.2 the patch that fixed issue ASTERISK-26832 was removed and the actual fix is not present in release 2.7.2
> Fixed Code:
> {noformat}
> PJ_DEF(int) pjsip_hdr_print_on( void *hdr_ptr, char *buf, pj_size_t len)
> {
>     pjsip_hdr *hdr = (pjsip_hdr*) hdr_ptr;
>     if (!hdr->vptr) {
>         return 0;
>     }
>     return (*hdr->vptr->print_on)(hdr_ptr, buf, len);
> }
> {noformat}
> 2.7.2 Code:
> {noformat}
> PJ_DEF(int) pjsip_hdr_print_on( void *hdr_ptr, char *buf, pj_size_t len)
> {
>     pjsip_hdr *hdr = (pjsip_hdr*) hdr_ptr;
>     return (*hdr->vptr->print_on)(hdr_ptr, buf, len);
> }
> {noformat}
> The PJSIP team committed a change in revision 5727, however, this isn't in the 2.7.2 release.



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