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authorWill Drewry <wad@chromium.org>2012-04-12 16:47:52 -0500
committerJames Morris <james.l.morris@oracle.com>2012-04-14 11:13:19 +1000
commit46b325c7eb01482674406701825ff67f561ccdd4 (patch)
tree3c6b4d424148c79820506bc2cda71b389798fbdb /net/compat.c
parentc29bceb3967398cf2ac8bf8edf9634fdb722df7d (diff)
sk_run_filter: add BPF_S_ANC_SECCOMP_LD_W
Introduces a new BPF ancillary instruction that all LD calls will be mapped through when skb_run_filter() is being used for seccomp BPF. The rewriting will be done using a secondary chk_filter function that is run after skb_chk_filter. The code change is guarded by CONFIG_SECCOMP_FILTER which is added, along with the seccomp_bpf_load() function later in this series. This is based on http://lkml.org/lkml/2012/3/2/141 Suggested-by: Indan Zupancic <indan@nul.nu> Signed-off-by: Will Drewry <wad@chromium.org> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Eric Paris <eparis@redhat.com> v18: rebase ... v15: include seccomp.h explicitly for when seccomp_bpf_load exists. v14: First cut using a single additional instruction ... v13: made bpf functions generic. Signed-off-by: James Morris <james.l.morris@oracle.com>
Diffstat (limited to 'net/compat.c')
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