linux/drivers/crypto/cavium/cpt
Dan Carpenter 2526d6bf27 crypto: cavium - prevent integer overflow loading firmware
The "code_length" value comes from the firmware file.  If your firmware
is untrusted realistically there is probably very little you can do to
protect yourself.  Still we try to limit the damage as much as possible.
Also Smatch marks any data read from the filesystem as untrusted and
prints warnings if it not capped correctly.

The "ntohl(ucode->code_length) * 2" multiplication can have an
integer overflow.

Fixes: 9e2c7d9994 ("crypto: cavium - Add Support for Octeon-tx CPT Engine")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-09-30 13:57:49 +08:00
..
cpt_common.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206 2019-05-30 11:29:53 -07:00
cpt_hw_types.h crypto: cavium - Fix comment typo 2022-08-19 18:39:36 +08:00
cptpf.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206 2019-05-30 11:29:53 -07:00
cptpf_main.c crypto: cavium - prevent integer overflow loading firmware 2022-09-30 13:57:49 +08:00
cptpf_mbox.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206 2019-05-30 11:29:53 -07:00
cptvf.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206 2019-05-30 11:29:53 -07:00
cptvf_algs.c crypto: cpt - simplify the return expression of cav_register_algs 2020-10-02 18:02:10 +10:00
cptvf_algs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206 2019-05-30 11:29:53 -07:00
cptvf_main.c crypto: cavium - Use kcalloc() instead of kzalloc() 2021-12-17 16:59:47 +11:00
cptvf_mbox.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206 2019-05-30 11:29:53 -07:00
cptvf_reqmanager.c crypto: cavium: Fix a bunch of kernel-doc related issues 2021-05-28 15:11:44 +08:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
request_manager.h crypto: cpt - Fix sparse warnings 2020-07-03 14:18:35 +10:00