crypto: caam - Add check for kcalloc() in test_len()

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commit 7cf6e0b69b upstream.

As kcalloc() may fail, check its return value to avoid a NULL pointer
dereference when passing the buffer to rng->read(). On allocation
failure, log the error and return since test_len() returns void.

Fixes: 2be0d806e2 ("crypto: caam - add a test for the RNG")
Cc: stable@vger.kernel.org
Signed-off-by: Guangshuo Li <lgs201920130244@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Guangshuo Li 2025-09-23 20:44:18 +08:00 • committed by Greg Kroah-Hartman

parent 51a5ab3608

commit b674e3522b

1 changed files with 3 additions and 1 deletions

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drivers/crypto/caam/caamrng.c

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