crypto: cavium/nitrox - Use after free in process_response_list()

We free "sr" and then dereference it on the next line.

Fixes: c9613335bf4f ("crypto: cavium/nitrox - Added AEAD cipher support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c
index e34e4df..fe070d7 100644 (file)
--- a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c
+++ b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c
@@ -567,10 +567,10 @@ static void process_response_list(struct nitrox_cmdq *cmdq)
 
                /* ORH error code */
                err = READ_ONCE(*sr->resp.orh) & 0xff;
-               softreq_destroy(sr);
 
                if (sr->callback)
                        sr->callback(sr->cb_arg, err);
+               softreq_destroy(sr);
 
                req_completed++;
        }