Patch "parisc: Handle kgdb breakpoints only in kernel context" has been added to the 5.10-stable tree

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This is a note to let you know that I've just added the patch titled

    parisc: Handle kgdb breakpoints only in kernel context

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     parisc-handle-kgdb-breakpoints-only-in-kernel-context.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 6888ff04e37d01295620a73f3f7efbc79f6ef152 Mon Sep 17 00:00:00 2001
From: Helge Deller <deller@xxxxxx>
Date: Wed, 24 May 2023 14:34:58 +0200
Subject: parisc: Handle kgdb breakpoints only in kernel context

From: Helge Deller <deller@xxxxxx>

commit 6888ff04e37d01295620a73f3f7efbc79f6ef152 upstream.

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

Cc: <stable@xxxxxxxxxxxxxxx> # v5.4+
Signed-off-by: Helge Deller <deller@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 arch/parisc/kernel/traps.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -305,8 +305,8 @@ static void handle_break(struct pt_regs
 #endif
 
 #ifdef CONFIG_KGDB
-	if (unlikely(iir == PARISC_KGDB_COMPILED_BREAK_INSN ||
-		iir == PARISC_KGDB_BREAK_INSN)) {
+	if (unlikely((iir == PARISC_KGDB_COMPILED_BREAK_INSN ||
+		iir == PARISC_KGDB_BREAK_INSN)) && !user_mode(regs)) {
 		kgdb_handle_exception(9, SIGTRAP, 0, regs);
 		return;
 	}


Patches currently in stable-queue which might be from deller@xxxxxx are

queue-5.10/fbdev-arcfb-fix-error-handling-in-arcfb_probe.patch
queue-5.10/parisc-allow-to-reboot-machine-after-system-halt.patch
queue-5.10/parisc-handle-kgdb-breakpoints-only-in-kernel-context.patch



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