diff options
| author | Joel Stanley <joel@jms.id.au> | 2020-08-04 10:58:32 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2020-08-04 10:58:36 +0300 |
| commit | 9524588381df213554a10d3661a9200a4b7f6db2 (patch) | |
| tree | a4d281b99dcd28b9a1d3077299c26a5671abff88 /kernel/bpf/verifier.c | |
| parent | 666e403461fd046b37bc95bba49e82ca6a758bea (diff) | |
| parent | 67da9e2c2b730b9b788ace749d22d769cf11ee2b (diff) | |
| download | linux-dev-5.7.tar.xz | |
Merge tag 'v5.7.12' into dev-5.7dev-5.7
This is the 5.7.12 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'kernel/bpf/verifier.c')
| -rw-r--r-- | kernel/bpf/verifier.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 739d9ba3ba6b..eebdd5307713 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -9613,7 +9613,7 @@ static int jit_subprogs(struct bpf_verifier_env *env) int i, j, subprog_start, subprog_end = 0, len, subprog; struct bpf_insn *insn; void *old_bpf_func; - int err; + int err, num_exentries; if (env->subprog_cnt <= 1) return 0; @@ -9688,6 +9688,14 @@ static int jit_subprogs(struct bpf_verifier_env *env) func[i]->aux->nr_linfo = prog->aux->nr_linfo; func[i]->aux->jited_linfo = prog->aux->jited_linfo; func[i]->aux->linfo_idx = env->subprog_info[i].linfo_idx; + num_exentries = 0; + insn = func[i]->insnsi; + for (j = 0; j < func[i]->len; j++, insn++) { + if (BPF_CLASS(insn->code) == BPF_LDX && + BPF_MODE(insn->code) == BPF_PROBE_MEM) + num_exentries++; + } + func[i]->aux->num_exentries = num_exentries; func[i] = bpf_int_jit_compile(func[i]); if (!func[i]->jited) { err = -ENOTSUPP; |