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readelf: Only check for out of bounds local symbols in object files

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This commit is contained in:
Alan Modra
2025-12-08 15:12:26 +00:00
committed by Nick Clifton
parent 2037ef2f7d
commit 6d7e5bcca5
1 changed files with 5 additions and 5 deletions
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binutils/readelf.c
+5 -5
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@@ -14811,17 +14811,17 @@ print_symbol (Filedata * filedata,
warn (_("local symbol %" PRIu64 " found at index >= %s's sh_info value of %u\n"),
symbol_index, printable_section_name (filedata, section), section->sh_info);
/* Local symbols whose value is larger than their section's size are suspicious
especially if that section is mergeable - and hence might change offsets of
the contents inside the section.
Note - for some reason we can get mapping symbols that do not relate to their
/* Local symbols (in objec files) whose value is larger than their section's
size are suspicious especially if that section is mergeable - and hence
might change offsets of the contents inside the section. Note - for
some reason we can get mapping symbols that do not relate to their
section's contents - so we ignore those type of symbol as well. */
if (ELF_ST_BIND (psym->st_info) == STB_LOCAL
&& filedata->file_header.e_type == ET_REL
&& ! is_special
&& is_valid
&& psym->st_shndx < filedata->file_header.e_shnum
&& filedata->section_headers != NULL
/* FIXME: Should we warn for non-mergeable sections ? */
&& (filedata->section_headers[psym->st_shndx].sh_flags & SHF_MERGE)
&& psym->st_value > filedata->section_headers[psym->st_shndx].sh_size
&& ! is_mapping_symbol (strtab + psym->st_name))