From: Shuah Khan <[email protected]>
Date: Tue, 11 Nov 2014 10:04:13 -0700

> The while loop in sock_fanout_read_ring() checks mmap region
> bounds after access, causing it to segfault. Fix it to check
> count before accessing header->tp_status. This problem can be
> reproduced consistently when the test in run as follows:
> 
>     make -C tools/testing/selftests TARGETS=net run_tests
>     or
>     make run_tests from tools/testing/selftests
>     or
>     make run_test from tools/testing/selftests/net
> 
> Signed-off-by: Shuah Khan <[email protected]>

Definitely looks correct to me, applied, thanks.
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