The patch titled
Subject: kasan: change report header
has been added to the -mm tree. Its filename is
kasan-change-report-header.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kasan-change-report-header.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kasan-change-report-header.patch
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------------------------------------------------------
From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Subject: kasan: change report header
Change report header format from:
BUG: KASAN: use-after-free in unwind_get_return_address+0x28a/0x2c0 at addr ffff880069437950
Read of size 8 by task insmod/3925
to:
BUG: KASAN: use-after-free in unwind_get_return_address+0x28a/0x2c0
Read of size 8 at addr ffff880069437950 by task insmod/3925
The exact access address is not usually important, so move it to the
second line. This also makes the header look visually balanced.
Link: http://lkml.kernel.org/r/20170302134851.101218-6-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 | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff -puN mm/kasan/report.c~kasan-change-report-header mm/kasan/report.c
--- a/mm/kasan/report.c~kasan-change-report-header
+++ a/mm/kasan/report.c
@@ -130,11 +130,11 @@ static void print_error_description(stru
{
const char *bug_type = get_bug_type(info);
- pr_err("BUG: KASAN: %s in %pS at addr %p\n",
- bug_type, (void *)info->ip, info->access_addr);
- pr_err("%s of size %zu by task %s/%d\n",
+ pr_err("BUG: KASAN: %s in %pS\n",
+ bug_type, (void *)info->ip);
+ pr_err("%s of size %zu at addr %p by task %s/%d\n",
info->is_write ? "Write" : "Read", info->access_size,
- current->comm, task_pid_nr(current));
+ info->access_addr, current->comm, task_pid_nr(current));
}
static inline bool kernel_or_module_addr(const void *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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