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d82e08de23
[ Upstream commitbb3a420d47] tipc_group_add_to_tree() returns silently if `key` matches `nkey` of an existing node, causing tipc_group_create_member() to leak memory. Let tipc_group_add_to_tree() return an error in such a case, so that tipc_group_create_member() can handle it properly. Fixes:75da2163db("tipc: introduce communication groups") Reported-and-tested-by: syzbot+f95d90c454864b3b5bc9@syzkaller.appspotmail.com Cc: Hillf Danton <hdanton@sina.com> Link: https://syzkaller.appspot.com/bug?id=048390604fe1b60df34150265479202f10e13aff Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.
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.