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Commit 8b09ca74 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

s390/compat: fix setup_frame32 



Git commit c60a03fe ("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: default avatarStefan Liebler <stli@linux.vnet.ibm.com>
Fixes: c60a03fe ("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: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent aff304e7

arch/s390/kernel/compat_signal.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -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,

	if (put_compat_sigset((compat_sigset_t __user *)frame->sc.oldmask,

			      set, sizeof(compat_sigset_t)))

			      set, sizeof(compat_sigset_t)))

		return -EFAULT;

		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;

		return -EFAULT;





	/* Store registers needed to create the signal frame */

	/* Store registers needed to create the signal frame */