This is a note to let you know that I've just added the patch titled usb: gadget: udc: remove pointer dereference after free to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-gadget-udc-remove-pointer-dereference-after-free.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Thu Dec 21 10:35:49 CET 2017 From: "Gustavo A. R. Silva" <garsilva@xxxxxxxxxxxxxx> Date: Fri, 10 Mar 2017 15:39:32 -0600 Subject: usb: gadget: udc: remove pointer dereference after free From: "Gustavo A. R. Silva" <garsilva@xxxxxxxxxxxxxx> [ Upstream commit 1f459262b0e1649a1e5ad12fa4c66eb76c2220ce ] Remove pointer dereference after free. Addresses-Coverity-ID: 1091173 Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx> Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx> Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/gadget/udc/pch_udc.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -1534,7 +1534,6 @@ static void pch_udc_free_dma_chain(struc td = phys_to_virt(addr); addr2 = (dma_addr_t)td->next; pci_pool_free(dev->data_requests, td, addr); - td->next = 0x00; addr = addr2; } req->chain_len = 1; Patches currently in stable-queue which might be from garsilva@xxxxxxxxxxxxxx are queue-4.4/usb-gadget-udc-remove-pointer-dereference-after-free.patch