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samples/bpf: fix bpf loader

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llvm can emit relocations into sections other than program code
(like debug info sections). Ignore them during parsing of elf file

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexei Starovoitov 2016-11-22 16:52:09 -08:00 committed by David S. Miller
parent d2b024d32d
commit db6a71dd9a
1 changed files with 4 additions and 0 deletions
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4
samples/bpf/bpf_load.c
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@ -317,6 +317,10 @@ int load_bpf_file(char *path)
&shdr_prog, &data_prog))
continue;
if (shdr_prog.sh_type != SHT_PROGBITS ||
!(shdr_prog.sh_flags & SHF_EXECINSTR))
continue;
insns = (struct bpf_insn *) data_prog->d_buf;
processed_sec[shdr.sh_info] = true;