The patch titled
Subject: kasan: improve stack frame info in reports
has been removed from the -mm tree. Its filename was
kasan-improve-stack-frame-info-in-reports.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Subject: kasan: improve stack frame info in reports
- Print at least task name and id for reports affecting allocas
(get_address_stack_frame_info() does not support them).
- Capitalize first letter of each sentence.
Link: https://lkml.kernel.org/r/aa613f097c12f7b75efb17f2618ae00480fb4bc3.1646237226.git.andreyknvl@xxxxxxxxxx
Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Marco Elver <elver@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/kasan/report_generic.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
--- a/mm/kasan/report_generic.c~kasan-improve-stack-frame-info-in-reports
+++ a/mm/kasan/report_generic.c
@@ -180,7 +180,7 @@ static void print_decoded_frame_descr(co
return;
pr_err("\n");
- pr_err("this frame has %lu %s:\n", num_objects,
+ pr_err("This frame has %lu %s:\n", num_objects,
num_objects == 1 ? "object" : "objects");
while (num_objects--) {
@@ -266,13 +266,14 @@ void kasan_print_address_stack_frame(con
if (WARN_ON(!object_is_on_stack(addr)))
return;
+ pr_err("The buggy address belongs to stack of task %s/%d\n",
+ current->comm, task_pid_nr(current));
+
if (!get_address_stack_frame_info(addr, &offset, &frame_descr,
&frame_pc))
return;
- pr_err("\n");
- pr_err("addr %px is located in stack of task %s/%d at offset %lu in frame:\n",
- addr, current->comm, task_pid_nr(current), offset);
+ pr_err(" and is located at offset %lu in frame:\n", offset);
pr_err(" %pS\n", frame_pc);
if (!frame_descr)
_
Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are
stacktrace-add-interface-based-on-shadow-call-stack.patch
arm64-scs-save-scs_sp-values-per-cpu-when-switching-stacks.patch
arm64-implement-stack_trace_save_shadow.patch
kasan-use-stack_trace_save_shadow.patch
