RSA text data uses variable length buffer allocated in software stack. Calling kfree on it causes undefined behaviour in subsequent operations. Signed-off-by: Jia Jie Ho <jiajie.ho@xxxxxxxxxxxxxxxx> --- drivers/crypto/starfive/jh7110-rsa.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/crypto/starfive/jh7110-rsa.c b/drivers/crypto/starfive/jh7110-rsa.c index 4d7eb3d1e764..33093ba4b13a 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; } -- 2.40.1
