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[ Upstream commit0ab03f353d] Currently we may merge incorrectly a received GSO packet or a packet with frag_list into a packet sitting in the gro_hash list. skb_segment() may crash case because the assumptions on the skb layout are not met. The correct behaviour would be to flush the packet in the gro_hash list and send the received GSO packet directly afterwards. Commitd61d072e87("net-gro: avoid reorders") sets NAPI_GRO_CB(skb)->flush in this case, but this is not checked before merging. This patch makes sure to check this flag and to not merge in that case. Fixes:d61d072e87("net-gro: avoid reorders") Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.