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7de0e42444
commite0fe97efdbupstream. Initialize the structure to 0 so that it's fields won't have random values. For example fields like rec.traffic_class (as well as rec.flow_label and rec.sl) is used to generate the user AH through: cma_iboe_join_multicast cma_make_mc_event ib_init_ah_from_mcmember And a random traffic_class causes a random IP DSCP in RoCEv2. Fixes:b5de0c60cc("RDMA/cma: Fix use after free race in roce multicast join") Signed-off-by: Mark Zhang <markzhang@nvidia.com> Link: https://lore.kernel.org/r/20230927090511.603595-1-markzhang@nvidia.com Signed-off-by: Leon Romanovsky <leon@kernel.org> 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.
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.