bpf/verifier: more concise register state logs for constant var_off
Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller
parent
b03c9f9fdc
commit
7d1238f210
@ -234,6 +234,13 @@ static void print_verifier_state(struct bpf_verifier_state *state)
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verbose(",ks=%d,vs=%d",
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reg->map_ptr->key_size,
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reg->map_ptr->value_size);
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if (tnum_is_const(reg->var_off)) {
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/* Typically an immediate SCALAR_VALUE, but
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* could be a pointer whose offset is too big
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* for reg->off
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*/
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verbose(",imm=%llx", reg->var_off.value);
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} else {
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if (reg->smin_value != reg->umin_value &&
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reg->smin_value != S64_MIN)
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verbose(",smin_value=%lld",
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@ -254,6 +261,7 @@ static void print_verifier_state(struct bpf_verifier_state *state)
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tnum_strn(tn_buf, sizeof(tn_buf), reg->var_off);
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verbose(",var_off=%s", tn_buf);
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}
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}
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verbose(")");
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}
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}
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