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authorAlexey Khoroshilov <khoroshilov@ispras.ru>2022-06-10 20:27:15 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2022-06-17 11:19:20 +0200
commitd61a7b3decf7f0cf4121a7204303deefd2c7151b (patch)
tree807cef3c23e5c722ec87624b56a08170dd7edd78 /drivers/crypto/allwinner
parentcrypto: hisilicon/qm - modify event irq processing (diff)
downloadlinux-d61a7b3decf7f0cf4121a7204303deefd2c7151b.tar.xz
linux-d61a7b3decf7f0cf4121a7204303deefd2c7151b.zip
crypto: sun8i-ss - fix infinite loop in sun8i_ss_setup_ivs()
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: 359e893e8af4 ("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>
Diffstat (limited to 'drivers/crypto/allwinner')
-rw-r--r--drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
index 5bb950182026..910d6751644c 100644
--- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
+++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
@@ -170,6 +170,7 @@ 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;
}