From: Sven Schnelle svens@linux.ibm.com
commit 3db81afd99494a33f1c3839103f0429c8f30cb9d upstream.
Executing the seccomp_bpf testsuite under a 64-bit kernel with 32-bit userland (both s390 and x86) doesn't work because there's no compat_ioctl handler defined. Add the handler.
Signed-off-by: Sven Schnelle svens@linux.ibm.com Fixes: 6a21cc50f0c7 ("seccomp: add a return code to trap to userspace") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20200310123332.42255-1-svens@linux.ibm.com Signed-off-by: Kees Cook keescook@chromium.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- kernel/seccomp.c | 1 + 1 file changed, 1 insertion(+)
--- a/kernel/seccomp.c +++ b/kernel/seccomp.c @@ -1221,6 +1221,7 @@ static const struct file_operations secc .poll = seccomp_notify_poll, .release = seccomp_notify_release, .unlocked_ioctl = seccomp_notify_ioctl, + .compat_ioctl = seccomp_notify_ioctl, };
static struct file *init_listener(struct seccomp_filter *filter)