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392096736a
syzbot found a crash in tcp_v6_send_reset() caused by my latest change. Problem is that if an skb has been queued to socket prequeue, skb_dst(skb)->dev can not anymore point to the device. Fortunately in this case the socket pointer is not NULL. A similar issue has been fixed in commit0f85feae6b("tcp: fix more NULL deref after prequeue changes"), I should have known better. Fixes:323a53c412("ipv6: tcp: enable flowlabel reflection in some RST packets") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: syzbot <syzkaller@googlegroups.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.