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| author | Jia Jie Ho <jiajie.ho@starfivetech.com> | 2024-04-29 14:06:39 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2024-05-10 17:15:24 +0800 |
| commit | d7f01649f4eaf1878472d3d3f480ae1e50d98f6c (patch) | |
| tree | 739e00104ba705b78b010663ede243f4b8c90ce8 | |
| parent | 25ca4a85e943d73582f3e576f0f829329568d0a3 (diff) | |
| download | renesas-drivers-d7f01649f4eaf1878472d3d3f480ae1e50d98f6c.tar.gz | |
crypto: starfive - Do not free stack buffer
RSA text data uses variable length buffer allocated in software stack.
Calling kfree on it causes undefined behaviour in subsequent operations.
Cc: <stable@vger.kernel.org> #6.7+
Signed-off-by: Jia Jie Ho <jiajie.ho@starfivetech.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/starfive/jh7110-rsa.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/crypto/starfive/jh7110-rsa.c b/drivers/crypto/starfive/jh7110-rsa.c index 4d7eb3d1e764b3..33093ba4b13afe 100644 --- a/drivers/crypto/starfive/jh7110-rsa.c +++ b/drivers/crypto/starfive/jh7110-rsa.c @@ -276,7 +276,6 @@ static int starfive_rsa_enc_core(struct starfive_cryp_ctx *ctx, int enc) err_rsa_crypt: writel(STARFIVE_RSA_RESET, cryp->base + STARFIVE_PKA_CACR_OFFSET); - kfree(rctx->rsa_data); return ret; } |