lkml.org 
[lkml]   [2022]   [Aug]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] drivers: hisilicon: fix mismatch in get/set sgl_sge_nr
On Thu, Jul 28, 2022 at 10:07:58AM +0800, Ye Weihua wrote:
> KASAN reported this Bug:
>
> [17619.659757] BUG: KASAN: global-out-of-bounds in param_get_int+0x34/0x60
> [17619.673193] Read of size 4 at addr fffff01332d7ed00 by task read_all/1507958
> ...
> [17619.698934] The buggy address belongs to the variable:
> [17619.708371] sgl_sge_nr+0x0/0xffffffffffffa300 [hisi_zip]
>
> There is a mismatch in hisi_zip when get/set the variable sgl_sge_nr.
> The type of sgl_sge_nr is u16, and get/set sgl_sge_nr by
> param_get/set_int.
>
> Replacing param_get/set_int to param_get/set_ushort can fix this bug.
>
> Fixes: f081fda293ffb ("crypto: hisilicon - add sgl_sge_nr module param for zip")
> Signed-off-by: Ye Weihua <yeweihua4@huawei.com>
> ---
> drivers/crypto/hisilicon/zip/zip_crypto.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)

Patch applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

\
 
 \ /
  Last update: 2022-08-19 13:01    [W:0.050 / U:0.104 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site