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3 Commits

Author SHA1 Message Date
David S. Miller
6832a333ed bpf: Handle multiple variable additions into packet pointers in verifier. 
We must accumulate into reg->aux_off rather than use a plain assignment.

Add a test for this situation to test_align.

Reported-by: Alexei Starovoitov <ast@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-05-11 19:48:58 -07:00
David S. Miller
69a73e744d bpf: Remove commented out debugging hack in test_align. 
Reported-by: Alexander Alemayhu <alexander@alemayhu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2017-05-11 21:41:09 -04:00
David S. Miller
18b3ad90b6 bpf: Add verifier test case for alignment. 
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
 2017-05-11 14:19:00 -04:00