diff options
Diffstat (limited to 'kernel/bpf/verifier.c')
| -rw-r--r-- | kernel/bpf/verifier.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 51d754bdef5d..fced21ec2304 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -18448,6 +18448,7 @@ static int do_check_common(struct bpf_verifier_env *env, int subprog) struct bpf_prog_aux *aux = env->prog->aux; struct bpf_verifier_state *state; struct bpf_reg_state *regs; + u32 insn_processed = env->insn_processed; int ret, i; env->prev_linfo = NULL; @@ -18590,6 +18591,15 @@ out: if (!ret && pop_log) bpf_vlog_reset(&env->log, 0); free_states(env); + + /* + * The override is needed to account for async subprograms, which + * are verified with their own set of stack frames and thus are + * not accounted as callees by account_current_path(). + * Accumulate their total counts as total counts of the main or + * global subprog hosting the async call. + */ + env->subprog_info[subprog].insns_total = env->insn_processed - insn_processed; return ret; } |