diff options
Diffstat (limited to 'libdw/dwarf_getmacros.c')
| -rw-r--r-- | libdw/dwarf_getmacros.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libdw/dwarf_getmacros.c b/libdw/dwarf_getmacros.c index 848128e2..f9f29961 100644 --- a/libdw/dwarf_getmacros.c +++ b/libdw/dwarf_getmacros.c @@ -215,13 +215,16 @@ get_table_for_offset (Dwarf *dbg, Dwarf_Word macoff, unsigned opcode = *readp++; Dwarf_Macro_Op_Proto e; - get_uleb128 (e.nforms, readp); // XXX checking + if (readp >= endp) + goto invalid; + get_uleb128 (e.nforms, readp, endp); e.forms = readp; op_protos[opcode - 1] = e; readp += e.nforms; if (readp > endp) { + invalid: __libdw_seterrno (DWARF_E_INVALID_DWARF); return NULL; } |