diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Object/MachOObjectFile.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/tools/llvm-objdump/macho-bad-dysymtab.test | 51 |
2 files changed, 52 insertions, 1 deletions
diff --git a/llvm/lib/Object/MachOObjectFile.cpp b/llvm/lib/Object/MachOObjectFile.cpp index e422903f280..76480b4ea44 100644 --- a/llvm/lib/Object/MachOObjectFile.cpp +++ b/llvm/lib/Object/MachOObjectFile.cpp @@ -1592,7 +1592,7 @@ MachOObjectFile::MachOObjectFile(MemoryBufferRef Object, bool IsLittleEndian, "command extends past the end of the symbol table"); return; } - if (Dysymtab.nextdefsym != 0 && Dysymtab.ilocalsym > Symtab.nsyms) { + if (Dysymtab.nextdefsym != 0 && Dysymtab.iextdefsym > Symtab.nsyms) { Err = malformedError("nextdefsym in LC_DYSYMTAB load command " "extends past the end of the symbol table"); return; diff --git a/llvm/test/tools/llvm-objdump/macho-bad-dysymtab.test b/llvm/test/tools/llvm-objdump/macho-bad-dysymtab.test new file mode 100644 index 00000000000..90a5a2773f0 --- /dev/null +++ b/llvm/test/tools/llvm-objdump/macho-bad-dysymtab.test @@ -0,0 +1,51 @@ +#RUN: yaml2obj %s > %t1.dylib +#RUN: not llvm-objdump -d %t1.dylib 2>&1 | FileCheck %s + +--- !mach-o +FileHeader: + magic: 0xFEEDFACF + cputype: 0x01000007 + cpusubtype: 0x80000003 + filetype: 0x00000002 + ncmds: 2 + sizeofcmds: 104 + flags: 0x00200085 + reserved: 0x00000000 +LoadCommands: + - cmd: LC_SYMTAB + cmdsize: 24 + symoff: 136 + nsyms: 3 + stroff: 0 + strsize: 0 + - cmd: LC_DYSYMTAB + cmdsize: 80 + ilocalsym: 0 + nlocalsym: 0 + iextdefsym: 4 +#CHECK: truncated or malformed object (nextdefsym in LC_DYSYMTAB load command extends past the end of the symbol table) + nextdefsym: 2 + iundefsym: 2 + nundefsym: 1 + tocoff: 0 + ntoc: 0 + modtaboff: 0 + nmodtab: 0 + extrefsymoff: 0 + nextrefsyms: 0 + indirectsymoff: 0 + nindirectsyms: 0 + extreloff: 0 + nextrel: 0 + locreloff: 0 + nlocrel: 0 +LinkEditData: + StringTable: + - ' ' + - __mh_execute_header + - _main + - dyld_stub_binder + - '' + - '' + - '' +... |
