s390/compat: fix setup_frame32

Git commit c60a03fee0 ("s390: switch to {get,put}_compat_sigset()")
contains a typo and now copies the wrong pointer to user space.
Use the correct pointer instead.

Reported-and-tested-by: Stefan Liebler <stli@linux.vnet.ibm.com>
Fixes: c60a03fee0 ("s390: switch to {get,put}_compat_sigset()")
Cc: <stable@vger.kernel.org> # v4.15+
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2018-04-06 18:10:04 +02:00 committed by Martin Schwidefsky
parent aff304e7a0
commit 8b09ca746a

View File

@ -279,7 +279,7 @@ static int setup_frame32(struct ksignal *ksig, sigset_t *set,
if (put_compat_sigset((compat_sigset_t __user *)frame->sc.oldmask,
set, sizeof(compat_sigset_t)))
return -EFAULT;
if (__put_user(ptr_to_compat(&frame->sc), &frame->sc.sregs))
if (__put_user(ptr_to_compat(&frame->sregs), &frame->sc.sregs))
return -EFAULT;
/* Store registers needed to create the signal frame */