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e80bd08fd7
In the case of invalid or corrupted v2 counter update packets,
efx_tc_rx_version_2() returns EFX_TC_COUNTER_TYPE_MAX. In this case
we should not attempt to update generation counts as this will write
beyond the end of the seen_gen array.
Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1527356 ("Memory - illegal accesses")
Fixes: 25730d8be5 ("sfc: add extra RX channel to receive MAE counter updates on ef100")
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
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.