The patch titled
Subject: kasan: separate report parts by empty lines
has been added to the -mm tree. Its filename is
kasan-separate-report-parts-by-empty-lines.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kasan-separate-report-parts-by-empty-lines.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kasan-separate-report-parts-by-empty-lines.patch
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------------------------------------------------------
From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Subject: kasan: separate report parts by empty lines
Makes the report easier to read.
Link: http://lkml.kernel.org/r/20170302134851.101218-10-andreyknvl@xxxxxxxxxx
Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Acked-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/kasan/report.c | 7 +++++++
1 file changed, 7 insertions(+)
diff -puN mm/kasan/report.c~kasan-separate-report-parts-by-empty-lines mm/kasan/report.c
--- a/mm/kasan/report.c~kasan-separate-report-parts-by-empty-lines
+++ a/mm/kasan/report.c
@@ -235,7 +235,9 @@ static void describe_object(struct kmem_
if (cache->flags & SLAB_KASAN) {
print_track(&alloc_info->alloc_track, "Allocated");
+ pr_err("\n");
print_track(&alloc_info->free_track, "Freed");
+ pr_err("\n");
}
describe_object_addr(cache, object, addr);
@@ -246,6 +248,7 @@ static void print_address_description(vo
struct page *page = addr_to_page(addr);
dump_stack();
+ pr_err("\n");
if (page && PageSlab(page)) {
struct kmem_cache *cache = page->slab_cache;
@@ -324,7 +327,9 @@ void kasan_report_double_free(struct kme
kasan_start_report(&flags);
pr_err("BUG: KASAN: double-free or invalid-free in %pS\n", ip);
+ pr_err("\n");
print_address_description(object);
+ pr_err("\n");
print_shadow_for_address(object);
kasan_end_report(&flags);
}
@@ -336,11 +341,13 @@ static void kasan_report_error(struct ka
kasan_start_report(&flags);
print_error_description(info);
+ pr_err("\n");
if (!addr_has_shadow(info)) {
dump_stack();
} else {
print_address_description((void *)info->access_addr);
+ pr_err("\n");
print_shadow_for_address(info->first_bad_addr);
}
_
Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are
kasan-introduce-helper-functions-for-determining-bug-type.patch
kasan-unify-report-headers.patch
kasan-change-allocation-and-freeing-stack-traces-headers.patch
kasan-simplify-address-description-logic.patch
kasan-change-report-header.patch
kasan-improve-slab-object-description.patch
kasan-print-page-description-after-stacks.patch
kasan-improve-double-free-report-format.patch
kasan-separate-report-parts-by-empty-lines.patch
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