Messages in this thread Patch in this message | | | From | Jiri Slaby <> | Subject | [PATCH 3.12 36/38] sparc32: Fix inverted invalid_frame_pointer checks on sigreturns | Date | Tue, 13 Dec 2016 20:53:02 +0100 |
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From: Andreas Larsson <andreas@gaisler.com>
3.12-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit 07b5ab3f71d318e52c18cc3b73c1d44c908aacfa ]
Signed-off-by: Andreas Larsson <andreas@gaisler.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz> --- arch/sparc/kernel/signal_32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index e751dbc527e2..7e9dfc4fcc23 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -88,7 +88,7 @@ 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])) @@ -149,7 +149,7 @@ 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])) -- 2.11.0
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