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- commit 07b5ab3f71d318e52c18cc3b73c1d44c908aacfa
- Author: Andreas Larsson <andreas@gaisler.com>
- Date: Wed Nov 9 10:43:05 2016 +0100
- sparc32: Fix inverted invalid_frame_pointer checks on sigreturns
-
- Signed-off-by: Andreas Larsson <andreas@gaisler.com>
- Signed-off-by: David S. Miller <davem@davemloft.net>
- diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
- index c3c12ef..9c0c8fd 100644
- --- a/arch/sparc/kernel/signal_32.c
- +++ b/arch/sparc/kernel/signal_32.c
- @@ -89,7 +89,7 @@ asmlinkage void do_sigreturn(struct pt_regs *regs)
- sf = (struct signal_frame __user *) regs->u_regs[UREG_FP];
-
- /* 1. Make sure we are not getting garbage from the user */
- - if (!invalid_frame_pointer(sf, sizeof(*sf)))
- + if (invalid_frame_pointer(sf, sizeof(*sf)))
- goto segv_and_exit;
-
- if (get_user(ufp, &sf->info.si_regs.u_regs[UREG_FP]))
- @@ -150,7 +150,7 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
-
- synchronize_user_stack();
- sf = (struct rt_signal_frame __user *) regs->u_regs[UREG_FP];
- - if (!invalid_frame_pointer(sf, sizeof(*sf)))
- + if (invalid_frame_pointer(sf, sizeof(*sf)))
- goto segv;
-
- if (get_user(ufp, &sf->regs.u_regs[UREG_FP]))
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