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crypto: sun8i-ss - fix infinite loop in sun8i_ss_setup_ivs()

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[ Upstream commit d61a7b3dec ]

There is no i decrement in while (i >= 0) loop.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Fixes: 359e893e8a ("crypto: sun8i-ss - rework handling of IV")
Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alexey Khoroshilov
2022-06-10 21:27:15 +03:00
committed by Greg Kroah-Hartman
parent 81cb317568
commit d45eaf4114
1 changed files with 1 additions and 0 deletions
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1
drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
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@@ -151,6 +151,7 @@ dma_iv_error:
while (i >= 0) {
dma_unmap_single(ss->dev, rctx->p_iv[i], ivsize, DMA_TO_DEVICE);
memzero_explicit(sf->iv[i], ivsize);
i--;
}
return err;
}