Re: [PATCH v2 05/33] kmsan: Fix is_bad_asm_addr() on arches with overlapping address spaces

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>
Subject: Re: [PATCH v2 05/33] kmsan: Fix is_bad_asm_addr() on arches with overlapping address spaces
From: Alexander Potapenko <glider@xxxxxxxxxx>
Date: Mon, 11 Dec 2023 10:52:20 +0100
Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Christoph Lameter <cl@xxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Heiko Carstens <hca@xxxxxxxxxxxxx>, Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>, Marco Elver <elver@xxxxxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Pekka Enberg <penberg@xxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Vasily Gorbik <gor@xxxxxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Christian Borntraeger <borntraeger@xxxxxxxxxxxxx>, Dmitry Vyukov <dvyukov@xxxxxxxxxx>, Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>, kasan-dev@xxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-trace-kernel@xxxxxxxxxxxxxxx, Mark Rutland <mark.rutland@xxxxxxx>, Roman Gushchin <roman.gushchin@xxxxxxxxx>, Sven Schnelle <svens@xxxxxxxxxxxxx>
In-reply-to: <20231121220155.1217090-6-iii@linux.ibm.com>
References: <20231121220155.1217090-1-iii@linux.ibm.com> <20231121220155.1217090-6-iii@linux.ibm.com>

On Tue, Nov 21, 2023 at 11:02 PM Ilya Leoshkevich <iii@xxxxxxxxxxxxx> wrote:
>
> Comparing pointers with TASK_SIZE does not make sense when kernel and
> userspace overlap. Skip the comparison when this is the case.
>
> Signed-off-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>
Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx>

References:
- [PATCH v2 00/33] kmsan: Enable on s390
  - From: Ilya Leoshkevich
- [PATCH v2 05/33] kmsan: Fix is_bad_asm_addr() on arches with overlapping address spaces
  - From: Ilya Leoshkevich

Prev by Date: Re: [PATCH net-next v8 4/4] skbuff: Optimization of SKB coalescing for page pool
Next by Date: Re: [PATCH net-next v8 2/4] page_pool: halve BIAS_MAX for multiple user references of a fragment
Previous by thread: [PATCH v2 05/33] kmsan: Fix is_bad_asm_addr() on arches with overlapping address spaces
Next by thread: [PATCH v2 12/33] kmsan: Allow disabling KMSAN checks for the current task
Index(es):
- Date
- Thread

[Index of Archives] [Linux ARM Kernel] [Linux ARM] [Linux Omap] [Fedora ARM] [IETF Annouce] [Bugtraq] [Linux OMAP] [Linux MIPS] [eCos] [Asterisk Internet PBX] [Linux API]