The patch titled
Subject: UBSAN: use the kernel panic message markers
has been added to the -mm mm-unstable branch. Its filename is
ubsan-use-the-kernel-panic-message-markers.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/ubsan-use-the-kernel-panic-message-markers.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Borislav Petkov (AMD)" <bp@xxxxxxxxx>
Subject: UBSAN: use the kernel panic message markers
Date: Mon, 18 Dec 2023 14:53:39 +0100
Use the same splat markers as panic does for easier matching by external
tools scanning kernel dmesg for splats.
Link: https://lkml.kernel.org/r/20231218135339.23209-1-bp@xxxxxxxxx
Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>
Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/ubsan.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
--- a/lib/ubsan.c~ubsan-use-the-kernel-panic-message-markers
+++ a/lib/ubsan.c
@@ -204,8 +204,8 @@ static void ubsan_prologue(struct source
{
current->in_ubsan++;
- pr_err("========================================"
- "========================================\n");
+ pr_warn(CUT_HERE);
+
pr_err("UBSAN: %s in %s:%d:%d\n", reason, loc->file_name,
loc->line & LINE_MASK, loc->column & COLUMN_MASK);
@@ -215,8 +215,7 @@ static void ubsan_prologue(struct source
static void ubsan_epilogue(void)
{
dump_stack();
- pr_err("========================================"
- "========================================\n");
+ pr_warn("---[ end trace ]---\n");
current->in_ubsan--;
_
Patches currently in -mm which might be from bp@xxxxxxxxx are
ubsan-use-the-kernel-panic-message-markers.patch
