linux-stable

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History

Xiao Ni bf240fee5b async_xor: check src_offs is not NULL before updating it

commit 9be148e408df7d361ec5afd6299b7736ff3928b0 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2021-06-16 12:01:40 +02:00

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