svn commit: r330601 - head/sys/i386/ibcs2

[Oliver Pinter]

Wrong commit message. IBCS isn't cloudabi.

On Wednesday, March 7, 2018, Eitan Adler <eadler at freebsd.org> wrote:

> Author: eadler
> Date: Wed Mar  7 14:44:32 2018
> New Revision: 330601
> URL: https://svnweb.freebsd.org/changeset/base/330601
>
> Log:
>   sys: Fix a few potential infoleaks in cloudabi
>
>   While there is no immediate leak, if the structure changes underneath
>   us, there might be in the future.
>
>   Submitted by: Domagoj Stolfa <domagoj.stolfa at gmail.com>
>   MFC After:    1 month
>   Sponsored by: DARPA/AFRL
>
> Modified:
>   head/sys/i386/ibcs2/ibcs2_ipc.c
>
> Modified: head/sys/i386/ibcs2/ibcs2_ipc.c
> ============================================================
> ==================
> --- head/sys/i386/ibcs2/ibcs2_ipc.c     Wed Mar  7 14:41:29 2018
> (r330600)
> +++ head/sys/i386/ibcs2/ibcs2_ipc.c     Wed Mar  7 14:44:32 2018
> (r330601)
> @@ -135,6 +135,8 @@ ibcs2_msgctl(struct thread *td, void *v)
>         struct msqid_ds bs;
>         int error;
>
> +       memset(&is, 0, sizeof(is));
> +
>         switch (uap->cmd) {
>         case IBCS2_IPC_STAT:
>                 error = kern_msgctl(td, uap->msqid, IPC_STAT, &bs);
> @@ -317,6 +319,8 @@ ibcs2_semctl(struct thread *td, void *v)
>         union semun semun;
>         register_t rval;
>         int error;
> +
> +       memset(&is, 0, sizeof(is));
>
>         switch(uap->cmd) {
>         case IBCS2_IPC_STAT:
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