svn commit: r313943 - head/sbin/mdconfig
Cy Schubert
Cy.Schubert at komquats.com
Sun Feb 19 16:20:04 UTC 2017
In message <201702191608.v1JG8wAN068829 at repo.freebsd.org>, Edward Tomasz
Napier
ala writes:
> Author: trasz
> Date: Sun Feb 19 16:08:58 2017
> New Revision: 313943
> URL: https://svnweb.freebsd.org/changeset/base/313943
>
> Log:
> Make mdconfig(8) not segfault when the kernel returns garbage data.
>
> MFC after: 2 weeks
> Sponsored by: DARPA, AFRL
>
> Modified:
> head/sbin/mdconfig/mdconfig.c
>
> Modified: head/sbin/mdconfig/mdconfig.c
> =============================================================================
> =
> --- head/sbin/mdconfig/mdconfig.c Sun Feb 19 14:53:59 2017 (r31394
> 2)
> +++ head/sbin/mdconfig/mdconfig.c Sun Feb 19 16:08:58 2017 (r31394
> 3)
> @@ -452,8 +452,8 @@ md_list(const char *units, int opt, cons
> }
> gc = &pp->lg_config;
> type = geom_config_get(gc, "type");
> - if (strcmp(type, "vnode") == 0 ||
> - strcmp(type, "preload") == 0) {
> + if (type != NULL && (strcmp(type, "vnode") == 0 ||
> + strcmp(type, "preload") == 0)) {
> file = geom_config_get(gc, "file");
> if (fflag != NULL &&
> strcmp(fflag, file) != 0)
>
>
I wonder why the kernel is returning garbage data?
--
Cheers,
Cy Schubert <Cy.Schubert at cschubert.com>
FreeBSD UNIX: <cy at FreeBSD.org> Web: http://www.FreeBSD.org
The need of the many outweighs the greed of the few.
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