crypto: ahash - Fix crypto_ahash_import with partial block data

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[ Upstream commit b0356b75f4 ]

Restore the partial block buffer in crypto_ahash_import by copying
it.  Check whether the partial block buffer exceeds the maximum
size and return -EOVERFLOW if it does.

Zero the partial block buffer in crypto_ahash_import_core.

Reported-by: T Pratham <t-pratham@ti.com>
Tested-by: T Pratham <t-pratham@ti.com>
Fixes: 9d7a0ab1c7 ("crypto: ahash - Handle partial blocks in API")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Herbert Xu 2025-11-21 13:36:03 +08:00 • committed by Greg Kroah-Hartman

parent ce649d7465

commit aa9dc3d80d

1 changed files with 11 additions and 1 deletions

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crypto/ahash.c

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