diff options
Diffstat (limited to 'src/debug')
| -rw-r--r-- | src/debug/elf/file.go | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/debug/elf/file.go b/src/debug/elf/file.go index f37d4b8e9a..aff2b00aae 100644 --- a/src/debug/elf/file.go +++ b/src/debug/elf/file.go @@ -474,7 +474,16 @@ func NewFile(r io.ReaderAt) (*File, error) { } // Load section header string table. - shstrtab, err := f.Sections[shstrndx].Data() + if shstrndx == 0 { + // If the file has no section name string table, + // shstrndx holds the value SHN_UNDEF (0). + return f, nil + } + shstr := f.Sections[shstrndx] + if shstr.Type != SHT_STRTAB { + return nil, &FormatError{shoff + int64(shstrndx*shentsize), "invalid ELF section name string table type", shstr.Type} + } + shstrtab, err := shstr.Data() if err != nil { return nil, err } |