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s390/compat: fix setup_frame32

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commit 8b09ca746a upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heiko Carstens 2018-04-06 18:10:04 +02:00 committed by Greg Kroah-Hartman
parent e025da42c8
commit 4d03a2e6b9
1 changed files with 1 additions and 1 deletions
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2
arch/s390/kernel/compat_signal.c
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@ -379,7 +379,7 @@ 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 */