linux

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Alexei Starovoitov ea2e7ce5d0 bpf: support 8-byte metafield access

The verifier supported only 4-byte metafields in
struct __sk_buff and struct xdp_md. The metafields in upcoming
struct bpf_perf_event are 8-byte to match register width in struct pt_regs.
Teach verifier to recognize 8-byte metafield access.
The patch doesn't affect safety of sockets and xdp programs.
They check for 4-byte only ctx access before these conditions are hit.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

2016-09-02 10:46:44 -07:00

arraymap.c

bpf: Add bpf_current_task_under_cgroup helper

2016-08-12 21:49:41 -07:00

core.c

bpf: avoid stack copy and use skb ctx for event output

2016-07-15 14:23:56 -07:00

hashtab.c

bpf: restore behavior of bpf_map_update_elem

2016-08-06 20:49:19 -04:00

helpers.c

bpf: don't use raw processor id in generic helper