Messages in this thread | | | Date | Fri, 19 Aug 2022 19:00:16 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH v2] drivers: hisilicon: fix mismatch in get/set sgl_sge_nr |
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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
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