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| author | Josh Poimboeuf <jpoimboe@kernel.org> | 2025-09-17 09:03:31 -0700 |
|---|---|---|
| committer | Josh Poimboeuf <jpoimboe@kernel.org> | 2025-10-14 14:45:24 -0700 |
| commit | 3e4b5f66cf1a7879a081f5044ff1796aa33cb999 (patch) | |
| tree | 3a665a4c05203ed2656f28e460dfa2a6c79bd225 | |
| parent | 4cdee7888f42f5573b380ddfa9da43208e759bdc (diff) | |
objtool: Check for missing annotation entries in read_annotate()
Add a sanity check to make sure none of the relocations for the
.discard.annotate_insn section have gone missing.
Acked-by: Petr Mladek <pmladek@suse.com>
Tested-by: Joe Lawrence <joe.lawrence@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
| -rw-r--r-- | tools/objtool/check.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c index c2e46f901a53..49d2db7c7f5b 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -2293,6 +2293,11 @@ static int read_annotate(struct objtool_file *file, sec->sh.sh_entsize = 8; } + if (sec_num_entries(sec) != sec_num_entries(sec->rsec)) { + ERROR("bad .discard.annotate_insn section: missing relocs"); + return -1; + } + for_each_reloc(sec->rsec, reloc) { type = *(u32 *)(sec->data->d_buf + (reloc_idx(reloc) * sec->sh.sh_entsize) + 4); type = bswap_if_needed(file->elf, type); |