ipc/msgrcv: add new testcase msgrcv08

Regression test for kernel commit:

 commit e7ca2552369c1dfe0216c626baf82c3d83ec36bb
 Author: Mateusz Guzik <mguzik@redhat.com>
 Date:   Mon Jan 27 17:07:11 2014 -0800

    ipc: fix compat msgrcv with negative msgtyp

    Compat function takes msgtyp argument as u32 and passes it down to
    do_msgrcv which results in casting to long, thus the sign is lost and we
    get a big positive number instead.

    Cast the argument to signed type before passing it down.

Signed-off-by: Li Wang <liwang@redhat.com>
Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
5 files changed