diff options
| author |   Martin KaFai Lau <kafai@fb.com> | 2018-12-19 13:01:01 -0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2018-12-19 15:42:55 -0800 |
| commit | fdbaa0beb78b7c8847e261fe2c32816e9d1c54cc (patch) | |
| tree | b99ead4b2f848949b21d9b5a0cb552b4ac6a9972 /tools/testing | |
| parent | tools: bpftool: do not force gcc as CC (diff) | |
| download | wireguard-linux-fdbaa0beb78b7c8847e261fe2c32816e9d1c54cc.tar.xz wireguard-linux-fdbaa0beb78b7c8847e261fe2c32816e9d1c54cc.zip | |
bpf: Ensure line_info.insn_off cannot point to insn with zero code
This patch rejects a line_info if the bpf insn code referred by
line_info.insn_off is 0. F.e. a broken userspace tool might generate
a line_info.insn_off that points to the second 8 bytes of a BPF_LD_IMM64.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing')
0 files changed, 0 insertions, 0 deletions