From: <gregkh@linuxfoundation.org>
To: garsilva@embeddedor.com, alexander.levin@verizon.com,
felipe.balbi@linux.intel.com, gregkh@linuxfoundation.org,
mina86@mina86.com
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "usb: gadget: udc: remove pointer dereference after free" has been added to the 4.4-stable tree
Date: Thu, 21 Dec 2017 10:37:22 +0100 [thread overview]
Message-ID: <151384904265147@kroah.com> (raw)
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@vger.kernel.org> know about it.
>From foo@baz Thu Dec 21 10:35:49 CET 2017
From: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
Date: Fri, 10 Mar 2017 15:39:32 -0600
Subject: usb: gadget: udc: remove pointer dereference after free
From: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
[ Upstream commit 1f459262b0e1649a1e5ad12fa4c66eb76c2220ce ]
Remove pointer dereference after free.
Addresses-Coverity-ID: 1091173
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
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@embeddedor.com are
queue-4.4/usb-gadget-udc-remove-pointer-dereference-after-free.patch
reply other threads:[~2017-12-21 9:39 UTC|newest]
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