This is a note to let you know that I've just added the patch titled

crypto: cavium - fix memory leak on info

to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: crypto-cavium-fix-memory-leak-on-info.patch and it can be found in the queue-4.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Fri Mar 16 15:11:07 CET 2018

From: Colin Ian King colin.king@canonical.com Date: Wed, 15 Nov 2017 12:37:19 +0000 Subject: crypto: cavium - fix memory leak on info

From: Colin Ian King colin.king@canonical.com

[ Upstream commit 87aae50af730a28dc1d8846d86dca5e9aa724a9f ]

The object info is being leaked on an error return path, fix this by setting ret to -ENOMEM and exiting via the request_cleanup path that will free info.

Detected by CoverityScan, CID#1408439 ("Resource Leak")

Fixes: c694b233295b ("crypto: cavium - Add the Virtual Function driver for CPT") Signed-off-by: Colin Ian King colin.king@canonical.com Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/crypto/cavium/cpt/cptvf_reqmanager.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/crypto/cavium/cpt/cptvf_reqmanager.c +++ b/drivers/crypto/cavium/cpt/cptvf_reqmanager.c @@ -459,7 +459,8 @@ int process_request(struct cpt_vf *cptvf info->completion_addr = kzalloc(sizeof(union cpt_res_s), GFP_KERNEL); if (unlikely(!info->completion_addr)) { dev_err(&pdev->dev, "Unable to allocate memory for completion_addr\n"); - return -ENOMEM; + ret = -ENOMEM; + goto request_cleanup; }

result = (union cpt_res_s *)info->completion_addr;

Patches currently in stable-queue which might be from colin.king@canonical.com are

queue-4.15/usbip-vudc-fix-null-pointer-dereference-on-udc-lock.patch queue-4.15/crypto-cavium-fix-memory-leak-on-info.patch queue-4.15/staging-rtl8822be-fix-missing-null-check-on-dev_alloc_skb-return.patch