From: Daniel Borkmann Date: Wed, 24 May 2017 23:05:07 +0000 (+0200) Subject: bpf: add bpf_clone_redirect to bpf_helper_changes_pkt_data X-Git-Tag: MMI-PSA29.97-13-9~5530^2~7^2~2 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=41703a731066fde79c3e5ccf3391cf77a98aeda5;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git bpf: add bpf_clone_redirect to bpf_helper_changes_pkt_data The bpf_clone_redirect() still needs to be listed in bpf_helper_changes_pkt_data() since we call into bpf_try_make_head_writable() from there, thus we need to invalidate prior pkt regs as well. Fixes: 36bbef52c7eb ("bpf: direct packet write and access for helpers for clsact progs") Signed-off-by: Daniel Borkmann Acked-by: Alexei Starovoitov Signed-off-by: David S. Miller --- diff --git a/net/core/filter.c b/net/core/filter.c index a253a6197e6b..a6bb95fa87b2 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -2281,6 +2281,7 @@ bool bpf_helper_changes_pkt_data(void *func) func == bpf_skb_change_head || func == bpf_skb_change_tail || func == bpf_skb_pull_data || + func == bpf_clone_redirect || func == bpf_l3_csum_replace || func == bpf_l4_csum_replace || func == bpf_xdp_adjust_head)