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.
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linux
WANG Cong
authored and
David S. Miller
committed
Andrey reported a NULL pointer deref bug in ipv6_route_ioctl() -> ip6_route_del() -> __ip6_del_rt_siblings() code path. This is because ip6_null_entry is returned in this path since ip6_null_entry is kinda default for a ipv6 route table root node. Quote from David Ahern: ip6_null_entry is the root of all ipv6 fib tables making it integrated into the table ... We should ignore any attempt of trying to delete it, like we do in __ip6_del_rt() path and several others. Reported-by:Andrey Konovalov <andreyknvl@google.com> Fixes: 0ae81335 ("net: ipv6: Allow shorthand delete of all nexthops in multipath route") Cc: David Ahern <dsa@cumulusnetworks.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: