50d19736af
This adds test to enforce same check for the return code for the extended prog as it is enforced for the target program. It asserts failure for a return code, which is permitted without the patch in this series, while it is restricted after the application of this patch. Signed-off-by: Udip Pant <udippant@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200825232003.2877030-4-udippant@fb.com
20 lines
426 B
C
20 lines
426 B
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (c) 2020 Facebook
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#include <linux/stddef.h>
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#include <linux/ipv6.h>
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#include <linux/bpf.h>
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#include <linux/in.h>
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#include <sys/socket.h>
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_endian.h>
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SEC("freplace/connect_v4_prog")
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int new_connect_v4_prog(struct bpf_sock_addr *ctx)
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{
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// return value thats in invalid range
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return 255;
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}
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char _license[] SEC("license") = "GPL";
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