Commit 0851561d authored by Xiaodong Liu's avatar Xiaodong Liu Committed by Herbert Xu
Browse files

crypto: sha1-mb - use corrcet pointer while completing jobs



In sha_complete_job, incorrect mcryptd_hash_request_ctx pointer is used
when check and complete other jobs. If the memory of first completed req
is freed, while still completing other jobs in the func, kernel will
crash since NULL pointer is assigned to RIP.

Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarXiaodong Liu <xiaodong.liu@intel.com>
Acked-by: default avatarTim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 6f0904ad
......@@ -453,10 +453,10 @@ static int sha_complete_job(struct mcryptd_hash_request_ctx *rctx,
req = cast_mcryptd_ctx_to_req(req_ctx);
if (irqs_disabled())
rctx->complete(&req->base, ret);
req_ctx->complete(&req->base, ret);
else {
local_bh_disable();
rctx->complete(&req->base, ret);
req_ctx->complete(&req->base, ret);
local_bh_enable();
}
}
......
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