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-rw-r--r--kernel/bpf/verifier.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index fcd8a71035aa..eb742ac75844 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -6412,19 +6412,22 @@ skip_type_check:
break;
case ARG_PTR_TO_SPIN_LOCK:
if (meta->func_id == BPF_FUNC_spin_lock) {
- if (process_spin_lock(env, regno, true))
- return -EACCES;
+ err = process_spin_lock(env, regno, true);
+ if (err)
+ return err;
} else if (meta->func_id == BPF_FUNC_spin_unlock) {
- if (process_spin_lock(env, regno, false))
- return -EACCES;
+ err = process_spin_lock(env, regno, false);
+ if (err)
+ return err;
} else {
verbose(env, "verifier internal error\n");
return -EFAULT;
}
break;
case ARG_PTR_TO_TIMER:
- if (process_timer_func(env, regno, meta))
- return -EACCES;
+ err = process_timer_func(env, regno, meta);
+ if (err)
+ return err;
break;
case ARG_PTR_TO_FUNC:
meta->subprogno = reg->subprogno;
@@ -6447,8 +6450,9 @@ skip_type_check:
err = check_mem_size_reg(env, reg, regno, true, meta);
break;
case ARG_PTR_TO_DYNPTR:
- if (process_dynptr_func(env, regno, arg_type, meta))
- return -EACCES;
+ err = process_dynptr_func(env, regno, arg_type, meta);
+ if (err)
+ return err;
break;
case ARG_CONST_ALLOC_SIZE_OR_ZERO:
if (!tnum_is_const(reg->var_off)) {
@@ -6515,8 +6519,9 @@ skip_type_check:
break;
}
case ARG_PTR_TO_KPTR:
- if (process_kptr_func(env, regno, meta))
- return -EACCES;
+ err = process_kptr_func(env, regno, meta);
+ if (err)
+ return err;
break;
}