From: Sven Schnelle <svens@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx>
Fixes: 6a21cc50f0c7 ("seccomp: add a return code to trap to userspace")
Cc: stable@xxxxxxxxxxxxxxx
Link: https://lore.kernel.org/r/20200310123332.42255-1-svens@xxxxxxxxxxxxx
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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)
