Re: [PATCH 0/2] fix the missing underflow in memory operation function
From: Dmitry Vyukov
Date: Mon Oct 14 2019 - 06:37:01 EST
On Mon, Oct 14, 2019 at 12:32 PM Walter Wu <walter-zh.wu@xxxxxxxxxxxx> wrote:
> The patchsets help to produce KASAN report when size is negative numbers
> in memory operation function. It is helpful for programmer to solve the
> undefined behavior issue. Patch 1 based on Dmitry's review and
> suggestion, patch 2 is a test in order to verify the patch 1.
I only received this cover letter, but not the actual patches. I also
don't see them in the group:
nor on internet. Have you mailed them? Where are they?
> Walter Wu (2):
> kasan: detect negative size in memory operation function
> kasan: add test for invalid size in memmove
> lib/test_kasan.c | 18 ++++++++++++++++++
> mm/kasan/common.c | 13 ++++++++-----
> mm/kasan/generic.c | 5 +++++
> mm/kasan/generic_report.c | 18 ++++++++++++++++++
> mm/kasan/tags.c | 5 +++++
> mm/kasan/tags_report.c | 17 +++++++++++++++++
> 6 files changed, 71 insertions(+), 5 deletions(-)
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