4.16-stable review patch. If anyone has any objections, please let me know.
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From: Heiko Carstens heiko.carstens@de.ibm.com
commit 8b09ca746a643ca452cd41a522046a96ee5a55fd upstream.
Git commit c60a03fee0e5 ("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: c60a03fee0e5 ("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
--- arch/s390/kernel/compat_signal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -279,7 +279,7 @@ static int setup_frame32(struct ksignal 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 */