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| author | Than McIntosh <thanm@google.com> | 2021-11-04 14:11:57 -0400 |
|---|---|---|
| committer | Than McIntosh <thanm@google.com> | 2021-11-04 14:11:57 -0400 |
| commit | 06a4b2790c5bb6530e0c4f05277b19c187134f49 (patch) | |
| tree | 09017cea1bfb6b6ba6eb191438232c064d55153d /src/debug/macho/file.go | |
| parent | 35d5cd0dcfb9d06064ec37da1621d24676454058 (diff) | |
| parent | 23991f50b34f8707bcfc7761321bb3b0e9dba10e (diff) | |
| download | go-06a4b2790c5bb6530e0c4f05277b19c187134f49.tar.gz go-06a4b2790c5bb6530e0c4f05277b19c187134f49.zip | |
[dev.boringcrypto.go1.16] all: merge go1.16.10 into dev.boringcrypto.go1.16
Change-Id: I164105d3036f0729da3f0b1dfa034f1d1d6a3a27
Diffstat (limited to 'src/debug/macho/file.go')
| -rw-r--r-- | src/debug/macho/file.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/debug/macho/file.go b/src/debug/macho/file.go index 085b0c8219..73cfce3c76 100644 --- a/src/debug/macho/file.go +++ b/src/debug/macho/file.go @@ -345,6 +345,15 @@ func NewFile(r io.ReaderAt) (*File, error) { if err := binary.Read(b, bo, &hdr); err != nil { return nil, err } + if hdr.Iundefsym > uint32(len(f.Symtab.Syms)) { + return nil, &FormatError{offset, fmt.Sprintf( + "undefined symbols index in dynamic symbol table command is greater than symbol table length (%d > %d)", + hdr.Iundefsym, len(f.Symtab.Syms)), nil} + } else if hdr.Iundefsym+hdr.Nundefsym > uint32(len(f.Symtab.Syms)) { + return nil, &FormatError{offset, fmt.Sprintf( + "number of undefined symbols after index in dynamic symbol table command is greater than symbol table length (%d > %d)", + hdr.Iundefsym+hdr.Nundefsym, len(f.Symtab.Syms)), nil} + } dat := make([]byte, hdr.Nindirectsyms*4) if _, err := r.ReadAt(dat, int64(hdr.Indirectsymoff)); err != nil { return nil, err |