The patch titled
Subject: kasan: more line breaks in reports
has been removed from the -mm tree. Its filename was
kasan-more-line-breaks-in-reports.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Subject: kasan: more line breaks in reports
Add a line break after each part that describes the buggy address.
Improves readability of reports.
Link: https://lkml.kernel.org/r/8682c4558e533cd0f99bdb964ce2fe741f2a9212.1646237226.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.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/mm/kasan/report.c~kasan-more-line-breaks-in-reports
+++ a/mm/kasan/report.c
@@ -250,11 +250,13 @@ static void print_address_description(vo
void *object = nearest_obj(cache, slab, addr);
describe_object(cache, object, addr, tag);
+ pr_err("\n");
}
if (kernel_or_module_addr(addr) && !init_task_stack_addr(addr)) {
pr_err("The buggy address belongs to the variable:\n");
pr_err(" %pS\n", addr);
+ pr_err("\n");
}
if (is_vmalloc_addr(addr)) {
@@ -265,6 +267,7 @@ static void print_address_description(vo
" [%px, %px) created by:\n"
" %pS\n",
va->addr, va->addr + va->size, va->caller);
+ pr_err("\n");
page = vmalloc_to_page(page);
}
@@ -273,9 +276,11 @@ static void print_address_description(vo
if (page) {
pr_err("The buggy address belongs to the physical page:\n");
dump_page(page, "kasan: bad access detected");
+ pr_err("\n");
}
kasan_print_address_stack_frame(addr);
+ pr_err("\n");
}
static bool meta_row_is_guilty(const void *row, const void *addr)
@@ -382,7 +387,6 @@ void kasan_report_invalid_free(void *obj
kasan_print_tags(tag, object);
pr_err("\n");
print_address_description(object, tag);
- pr_err("\n");
print_memory_metadata(object);
end_report(&flags, (unsigned long)object);
}
@@ -443,7 +447,6 @@ static void __kasan_report(unsigned long
if (addr_has_metadata(untagged_addr)) {
print_address_description(untagged_addr, get_tag(tagged_addr));
- pr_err("\n");
print_memory_metadata(info.first_bad_addr);
} else {
dump_stack_lvl(KERN_ERR);
_
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
