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| author | Rob Rice <rob.rice@broadcom.com> | 2017-02-14 12:45:52 -0500 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-02-15 13:23:51 +0800 |
| commit | dcd36c436c9c1c5052be6bc2a9200e4e6dfbd267 (patch) | |
| tree | 861d2a7706f6111930623c69fa47ce87f70dbac1 /drivers/crypto | |
| parent | eafa26696a648f974942e12f42460abff80a646d (diff) | |
| download | linux-dcd36c436c9c1c5052be6bc2a9200e4e6dfbd267.tar.gz linux-dcd36c436c9c1c5052be6bc2a9200e4e6dfbd267.tar.bz2 linux-dcd36c436c9c1c5052be6bc2a9200e4e6dfbd267.zip | |
crypto: brcm - Avoid double free in ahash_finup()
In Broadcom SPU driver, in case where incremental hash
is done in software in ahash_finup(), tmpbuf was freed
twice.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rob Rice <rob.rice@broadcom.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/bcm/cipher.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c index a654a01ff2ba..cc0d5b98006e 100644 --- a/drivers/crypto/bcm/cipher.c +++ b/drivers/crypto/bcm/cipher.c @@ -2331,7 +2331,6 @@ static int ahash_finup(struct ahash_request *req) /* Call synchronous update */ ret = crypto_shash_finup(ctx->shash, tmpbuf, req->nbytes, req->result); - kfree(tmpbuf); } else { /* Otherwise call the internal function which uses SPU hw */ return __ahash_finup(req); |