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| author | John Fastabend <john.fastabend@gmail.com> | 2017-07-02 02:13:30 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-03 02:22:52 -0700 |
| commit | 43188702b3d98d2792969a3377a30957f05695e6 (patch) | |
| tree | 5628949d11bd28e33bfcf8e22b5dbd1548ad8322 /fs/efs | |
| parent | 7bda4b40c5624c3f1c69227f8ebfd46a4b83f2ef (diff) | |
| download | linux-43188702b3d98d2792969a3377a30957f05695e6.tar.gz | |
bpf, verifier: add additional patterns to evaluate_reg_imm_alu
Currently the verifier does not track imm across alu operations when the source register is of unknown type. This adds additional pattern matching to catch this and track imm. We've seen LLVM generating this pattern while working on cilium. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/efs')
0 files changed, 0 insertions, 0 deletions