linux-stable/crypto/async_tx
Xiao Ni 9be148e408 async_xor: check src_offs is not NULL before updating it
When PAGE_SIZE is greater than 4kB, multiple stripes may share the same
page. Thus, src_offs is added to async_xor_offs() with array of offsets.
However, async_xor() passes NULL src_offs to async_xor_offs(). In such
case, src_offs should not be updated. Add a check before the update.

Fixes: ceaf2966ab08(async_xor: increase src_offs when dropping destination page)
Cc: stable@vger.kernel.org # v5.10+
Reported-by: Oleksandr Shchirskyi <oleksandr.shchirskyi@linux.intel.com>
Tested-by: Oleksandr Shchirskyi <oleksandr.shchirskyi@intel.com>
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Song Liu <song@kernel.org>
2021-06-10 19:40:14 -07:00
..
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
async_memcpy.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 335 2019-06-05 17:37:06 +02:00
async_pq.c md/raid6: let syndrome computor support different page offset 2020-09-24 16:44:44 -07:00
async_raid6_recov.c md/raid6: let async recovery function support different page offset 2020-09-24 16:44:44 -07:00
async_tx.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 335 2019-06-05 17:37:06 +02:00
async_xor.c async_xor: check src_offs is not NULL before updating it 2021-06-10 19:40:14 -07:00
raid6test.c md/raid6: let async recovery function support different page offset 2020-09-24 16:44:44 -07:00