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dbc4420f77
sections_begin() may return unalignment pointer when Header->e_shoff isinvalid.
That may result in a crash in clients, for example we have one in LLD:
assert((PtrWord & ~PointerBitMask) == 0 &&
"Pointer is not sufficiently aligned");
fails when trying to push_back Elf_Shdr* (unaligned) into TinyPtrVector.
Patch forces check for alignment of Header->e_shoff.
Differential revision: https://reviews.llvm.org/D25368
llvm-svn: 283740
71 lines
3.0 KiB
Plaintext
71 lines
3.0 KiB
Plaintext
RUN: not llvm-dwarfdump %p/Inputs/invalid-bad-rel-type.elf 2>&1 | FileCheck %s
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RUN: not llvm-objdump -s %p/Inputs/invalid-strtab-type.elf 2>&1 | FileCheck %s
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RUN: not llvm-objdump -s %p/Inputs/invalid-strtab-size.elf 2>&1 | FileCheck %s
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CHECK: Invalid data was encountered while parsing the file
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RUN: not llvm-objdump -s %p/Inputs/invalid-strtab-non-null.elf 2>&1 | FileCheck --check-prefix=NON-NULL %s
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NON-NULL: String table must end with a null terminator
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Test the sh_entsize are invalid
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RUN: llvm-readobj -s %p/Inputs/invalid-sh_entsize.elf | FileCheck --check-prefix=SECTION %s
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SECTION: Name: .dynsym
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SECTION-NEXT: Type: SHT_DYNSYM
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SECTION-NEXT: Flags [
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SECTION-NEXT: SHF_ALLOC
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SECTION-NEXT: ]
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SECTION-NEXT: Address:
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SECTION-NEXT: Offset:
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SECTION-NEXT: Size:
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SECTION-NEXT: Link:
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SECTION-NEXT: Info:
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SECTION-NEXT: AddressAlignment:
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SECTION-NEXT: EntrySize: 32
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SECTION: Name: .symtab
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SECTION-NEXT: Type: SHT_SYMTAB
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SECTION-NEXT: Flags [
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SECTION-NEXT: ]
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SECTION-NEXT: Address:
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SECTION-NEXT: Offset:
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SECTION-NEXT: Size:
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SECTION-NEXT: Link:
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SECTION-NEXT: Info:
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SECTION-NEXT: AddressAlignment:
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SECTION-NEXT: EntrySize: 32
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RUN: not llvm-readobj -t %p/Inputs/invalid-sh_entsize.elf 2>&1 | FileCheck --check-prefix=INVALID-SYM-SIZE %s
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INVALID-SYM-SIZE: Invalid data was encountered while parsing the file
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RUN: not llvm-readobj --dyn-symbols %p/Inputs/invalid-sh_entsize.elf 2>&1 | FileCheck --check-prefix=INVALID-DYNSYM-SIZE %s
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INVALID-DYNSYM-SIZE: Invalid entity size
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RUN: not llvm-readobj -t %p/Inputs/invalid-section-index.elf 2>&1 | FileCheck --check-prefix=INVALID-SECTION-INDEX %s
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INVALID-SECTION-INDEX: Invalid section index
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RUN: not llvm-readobj -s %p/Inputs/invalid-section-size.elf 2>&1 | FileCheck --check-prefix=INVALID-SECTION-SIZE %s
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INVALID-SECTION-SIZE: Invalid section header entry size (e_shentsize) in ELF header
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RUN: not llvm-readobj -t %p/Inputs/invalid-symbol-table-size.elf 2>&1 | FileCheck --check-prefix=INVALID-SYMTAB-SIZE %s
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INVALID-SYMTAB-SIZE: Invalid data was encountered while parsing the file
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RUN: not llvm-readobj -t %p/Inputs/invalid-xindex-size.elf 2>&1 | FileCheck --check-prefix=INVALID-XINDEX-SIZE %s
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INVALID-XINDEX-SIZE: Invalid data was encountered while parsing the file.
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RUN: not llvm-readobj -t %p/Inputs/invalid-ext-symtab-index.elf-x86-64 2>&1 | \
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RUN: FileCheck --check-prefix=INVALID-EXT-SYMTAB-INDEX %s
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INVALID-EXT-SYMTAB-INDEX: Invalid symbol table index
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RUN: not llvm-readobj -r %p/Inputs/invalid-relocation-sec-sh_offset.elf-i386 2>&1 | \
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RUN: FileCheck --check-prefix=INVALID-RELOC-SH-OFFSET %s
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RUN: not llvm-readobj -r %p/Inputs/invalid-relocation-sec-sh_offset.elf-x86-64 2>&1 | \
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RUN: FileCheck --check-prefix=INVALID-RELOC-SH-OFFSET %s
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INVALID-RELOC-SH-OFFSET: Invalid data was encountered while parsing the file
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RUN: not llvm-readobj -t %p/Inputs/invalid-sections-address-alignment.x86-64 2>&1 | \
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RUN: FileCheck --check-prefix=INVALID-SEC-ADDRESS-ALIGNMENT %s
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INVALID-SEC-ADDRESS-ALIGNMENT: Invalid address alignment of section headers
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