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crypto: omap - Allocate OMAP_CRYPTO_FORCE_COPY scatterlists correctly

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commit 1562b1fb7e17c1b3addb15e125c718b2be7f5512 upstream.

The existing allocation of scatterlists in omap_crypto_copy_sg_lists()
was allocating an array of scatterlist pointers, not scatterlist objects,
resulting in a 4x too small allocation.

Use sizeof(*new_sg) to get the correct object size.

Fixes: 74ed87e7e7 ("crypto: omap - add base support library for common routines")
Signed-off-by: Kees Cook <kees@kernel.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kees Cook
2026-02-06 19:49:54 -08:00
committed by Ulrich Hecht
parent f8f511ea5e
commit c04ea49d4e
1 changed files with 1 additions and 1 deletions
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2
drivers/crypto/omap-crypto.c
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@ -24,7 +24,7 @@ static int omap_crypto_copy_sg_lists(int total, int bs,
struct scatterlist *tmp;
if (!(flags & OMAP_CRYPTO_FORCE_SINGLE_ENTRY)) {
new_sg = kmalloc_array(n, sizeof(*sg), GFP_KERNEL);
new_sg = kmalloc_array(n, sizeof(*new_sg), GFP_KERNEL);
if (!new_sg)
return -ENOMEM;