24 lines
901 B
Diff
24 lines
901 B
Diff
commit 95daa11b82dfa6aa3e68ffc92e1282abc1b2b62a
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Author: Dave Anderson <anderson@redhat.com>
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Date: Fri Jun 1 15:28:55 2018 -0400
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Fix for the "bpf -t" option. Although highly unlikely, without the
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patch, the target function name of a BPF bytecode call instruction
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may fail to be resolved correctly.
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(anderson@redhat.com)
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diff --git a/bpf.c b/bpf.c
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index ee1986f..427263d 100644
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--- a/bpf.c
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+++ b/bpf.c
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@@ -1060,8 +1060,7 @@ static char *__func_get_name(const struct bpf_insn *insn,
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return buff;
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if (insn->src_reg != BPF_PSEUDO_CALL &&
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- insn->imm >= 0 && insn->imm < __BPF_FUNC_MAX_ID &&
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- func_id_str[insn->imm]) {
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+ insn->imm >= 0 && insn->imm < __BPF_FUNC_MAX_ID) {
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// return func_id_str[insn->imm];
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if (!readmem(symbol_value("func_id_str") + (insn->imm * sizeof(void *)),
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KVADDR, &func_id_ptr, sizeof(void *), "func_id_str pointer",
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