Commit 26afa0a4 authored Jun 08, 2020 by David Ahern Committed by Alexei Starovoitov Jun 09, 2020

bpf: Reset data_meta before running programs attached to devmap entry



This is a new context that does not handle metadata at the moment, so
mark data_meta invalid.

Fixes: fbee97fe ("bpf: Add support to attach bpf program to a devmap entry")
Signed-off-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200608151723.9539-1-dsahern@kernel.org

parent 22d5bd68

kernel/bpf/devmap.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -479,6 +479,7 @@ static struct xdp_buff dev_map_run_prog(struct net_device dev,
		struct xdp_txq_info txq = { .dev = dev };
		u32 act;

		xdp_set_data_meta_invalid(xdp);
		xdp->txq = &txq;

		act = bpf_prog_run_xdp(xdp_prog, xdp);

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