[asterisk-bugs] [JIRA] (ASTERISK-25219) Source and destination overlap in memcpy in rtp_engine.c

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-25219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=226743#comment-226743 ] 

Asterisk Team commented on ASTERISK-25219:
------------------------------------------

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].

> Source and destination overlap in memcpy in rtp_engine.c
> --------------------------------------------------------
>
>                 Key: ASTERISK-25219
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25219
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>    Affects Versions: 11.18.0
>            Reporter: Walter Doekes
>            Severity: Minor
>
> Valgrind says:
> {noformat}
> ==32423== Source and destination overlap in memcpy(0x85a920, 0x85a920, 304)
> ==32423==    at 0x4C2F71C: memcpy@@GLIBC_2.14 (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
> ==32423==    by 0x55BA91: ast_rtp_engine_unload_format (rtp_engine.c:2292)
> ==32423==    by 0x4EEFB7: ast_format_attr_unreg_interface (format.c:1437)
> ==32423==    by 0x29F6B478: unload_module (res_format_attr_h263.c:271)
> ==32423==    by 0x5032ED: ast_module_shutdown (loader.c:568)
> ==32423==    by 0x4453AD: really_quit (asterisk.c:1812)
> ==32423==    by 0x44503F: quit_handler (asterisk.c:1729)
> ==32423==    by 0x446245: handle_stop_gracefully (asterisk.c:2230)
> ==32423==    by 0x4A20D5: ast_cli_command_full (cli.c:2693)
> ==32423==    by 0x445D78: consolehandler (asterisk.c:2087)
> ==32423==    by 0x44CE5C: main (asterisk.c:4405)
> {noformat}
> Which happens here:
> {noformat}
> ast_rtp_mime_types[y] = ast_rtp_mime_types[x];
> {noformat}
> Attaching patch that fixes it.
> Cheers,
> Walter Doekes
> OSSO B.V.



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