diff options
Diffstat (limited to 'libdw/dwarf_formstring.c')
| -rw-r--r-- | libdw/dwarf_formstring.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libdw/dwarf_formstring.c b/libdw/dwarf_formstring.c index c3e892a8..0ee42411 100644 --- a/libdw/dwarf_formstring.c +++ b/libdw/dwarf_formstring.c @@ -61,6 +61,9 @@ dwarf_formstring (Dwarf_Attribute *attrp) Elf_Data *data = ((attrp->form == DW_FORM_line_strp) ? dbg_ret->sectiondata[IDX_debug_line_str] : dbg_ret->sectiondata[IDX_debug_str]); + size_t data_size = ((attrp->form == DW_FORM_line_strp) + ? dbg_ret->string_section_size[STR_SCN_IDX_debug_line_str] + : dbg_ret->string_section_size[STR_SCN_IDX_debug_str]); if (data == NULL) { __libdw_seterrno ((attrp->form == DW_FORM_line_strp) @@ -171,7 +174,7 @@ dwarf_formstring (Dwarf_Attribute *attrp) else off = read_8ubyte_unaligned (dbg, datap); - if (off > dbg->sectiondata[IDX_debug_str]->d_size) + if (off >= data_size) goto invalid_offset; } |