diff options
Diffstat (limited to 'src/debug')
| -rw-r--r-- | src/debug/dwarf/entry.go | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/debug/dwarf/entry.go b/src/debug/dwarf/entry.go index ffa61c28d1..6be0700b7e 100644 --- a/src/debug/dwarf/entry.go +++ b/src/debug/dwarf/entry.go @@ -461,7 +461,18 @@ func (b *buf) entry(atab abbrevTable, ubase Offset) *Entry { case formString: val = b.string() case formStrp: - off := b.uint32() // offset into .debug_str + var off uint64 // offset into .debug_str + is64, known := b.format.dwarf64() + if !known { + b.error("unknown size for DW_FORM_strp") + } else if is64 { + off = b.uint64() + } else { + off = uint64(b.uint32()) + } + if uint64(int(off)) != off { + b.error("DW_FORM_strp offset out of range") + } if b.err != nil { return nil } |