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[ Upstream commit2f987a76a9] On unsuccesful ip6_datagram_connect(), if the failure is caused by ip6_datagram_dst_update(), the sk peer information are cleared, but the sk->sk_state is preserved. If the socket was already in an established status, the overall sk status is inconsistent and fouls later checks in datagram code. Fix this saving the old peer information and restoring them in case of failure. This also aligns ipv6 datagram connect() behavior with ipv4. v1 -> v2: - added missing Fixes tag Fixes:85cb73ff9b("net: ipv6: reset daddr and dport in sk if connect() fails") Signed-off-by: Paolo Abeni <pabeni@redhat.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.