Messages in this thread | | | Date | Thu, 29 Feb 2024 16:15:12 +0200 | Subject | Re: [v2] usb: xhci: Add error handling in xhci_map_urb_for_dma | From | Mathias Nyman <> |
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On 28.2.2024 14.57, Prashanth K wrote: > Currently xhci_map_urb_for_dma() creates a temporary buffer > and copies the SG list to the new linear buffer. But if the > kzalloc_node() fails, then the following sg_pcopy_to_buffer() > can lead to crash since it tries to memcpy to NULL pointer. > So return -ENOMEM if kzalloc returns null pointer. > > Cc: <stable@vger.kernel.org> # 5.11 > Fixes: 2017a1e58472 ("usb: xhci: Use temporary buffer to consolidate SG") > Signed-off-by: Prashanth K <quic_prashk@quicinc.com> > ---
Thanks.
Added
-Mathias
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