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authorErick Archer <erick.archer@gmx.com>2024-01-21 17:40:43 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2024-01-26 16:39:33 +0800
commit4da3bc65d218605557696109e42cfeee666d601f (patch)
treec315a66fe4439b15d5b534cbb74ed4786343c1f1 /tools/perf/scripts/python/exported-sql-viewer.py
parent1dc0c1389d6afe4ef3e1d4054fb837b023ebf472 (diff)
crypto: qat - use kcalloc_node() instead of kzalloc_node()
As noted in the "Deprecated Interfaces, Language Features, Attributes, and Conventions" documentation [1], size calculations (especially multiplication) should not be performed in memory allocator (or similar) function arguments due to the risk of them overflowing. This could lead to values wrapping around and a smaller allocation being made than the caller was expecting. Using those allocations could lead to linear overflows of heap memory and other misbehaviors. So, use the purpose specific kcalloc_node() function instead of the argument count * size in the kzalloc_node() function. Link: https://www.kernel.org/doc/html/next/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments [1] Link: https://github.com/KSPP/linux/issues/162 Signed-off-by: Erick Archer <erick.archer@gmx.com> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Acked-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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