bpf: harden sockmap program attach to ensure correct map type

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When attaching a program to sockmap we need to check map type
is correct.

Fixes: 174a79ff95 ("bpf: sockmap with sk redirect support")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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John Fastabend 2017-08-28 07:11:43 -07:00 • committed by David S. Miller

parent ed85054d34

commit 81374aaa26

3 changed files with 33 additions and 4 deletions

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7

tools/testing/selftests/bpf/sockmap_verdict_prog.c

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27

tools/testing/selftests/bpf/test_maps.c

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