parisc: Handle kprobes breakpoints only in kernel context

The kernel kprobes break instructions should only be handled when running
in kernel context.

Cc: <stable@vger.kernel.org> # v5.18+
Signed-off-by: Helge Deller <deller@gmx.de>

diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 13df616..4d5f7b1 100644 (file)
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -295,11 +295,11 @@ static void handle_break(struct pt_regs *regs)
        }
 
 #ifdef CONFIG_KPROBES
-       if (unlikely(iir == PARISC_KPROBES_BREAK_INSN)) {
+       if (unlikely(iir == PARISC_KPROBES_BREAK_INSN && !user_mode(regs))) {
                parisc_kprobe_break_handler(regs);
                return;
        }
-       if (unlikely(iir == PARISC_KPROBES_BREAK_INSN2)) {
+       if (unlikely(iir == PARISC_KPROBES_BREAK_INSN2 && !user_mode(regs))) {
                parisc_kprobe_ss_handler(regs);
                return;
        }