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> Author: glebius
> Date: Tue Apr 25 15:56:46 2017
> New Revision: 317409
> URL: https://svnweb.freebsd.org/changeset/base/317409
>
> Log:
> Cherry-pick 5d3c5151c2b885aab36627bafb8539238da27b2d, it fixes use after
> free
Lets not use git hashes as references in commit messages,
it has very little value for someone reading a log of changes
looking for something. There is no promise that it can be
found later (github can go Poof).
> if tcpdump(1) is run on non-existent interface.
>
> Suggested by: zeising
>
> Modified:
> head/contrib/tcpdump/tcpdump.c
>
> Modified: head/contrib/tcpdump/tcpdump.c
> ==============================================================================
> --- head/contrib/tcpdump/tcpdump.c Tue Apr 25 13:17:34 2017
> (r317408)
> +++ head/contrib/tcpdump/tcpdump.c Tue Apr 25 15:56:46 2017
> (r317409)
> @@ -1085,9 +1085,9 @@ open_interface(const char *device, netdi
> /*
> * Return an error for our caller to handle.
> */
> - pcap_close(pc);
> snprintf(ebuf, PCAP_ERRBUF_SIZE, "%s: %s\n(%s)",
> device, pcap_statustostr(status), cp);
> + pcap_close(pc);
> return (NULL);
> } else if (status == PCAP_ERROR_PERM_DENIED && *cp != '\0')
> error("%s: %s\n(%s)", device,
>
>
--
Rod Grimes rgri...@freebsd.org
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