1 ## Check that llvm-objdump reports an error when
2 ## .shstrtab has an invalid type.
4 # RUN: yaml2obj %s --docnum=1 -o %t1
5 # RUN: not llvm-objdump -s %t1 2>&1 | FileCheck %s --check-prefix=INVALIDERR
7 # INVALIDERR: error: reading file: Invalid data was encountered while parsing the file
19 ## Check that llvm-objdump reports an error when
20 ## .shstrtab has an invalid zero-size.
22 # RUN: yaml2obj %s --docnum=2 -o %t2
23 # RUN: not llvm-objdump -s %t2 2>&1 | FileCheck %s --check-prefix=INVALIDERR
36 ## Check that llvm-objdump reports an error when .shstrtab has an invalid
37 ## size that goes past the end of the file.
39 # RUN: not llvm-objdump -s %p/Inputs/invalid-strtab-size.elf 2>&1 \
40 # RUN: | FileCheck %s --check-prefix=INVALIDERR
42 ## Check that llvm-dwarfdump reports an error during relocation resolution
43 ## when instead of expected SHT_RELA section it locates a section of a different type.
45 # RUN: yaml2obj %s --docnum=3 -o %t3
46 # RUN: not llvm-dwarfdump -debug-line %t3 2>&1 | FileCheck --check-prefix=RELA %s
48 # RELA: LLVM ERROR: Section is not SHT_RELA
59 ## The exact content does not matter here. We can use any minimal valid debug section
60 ## which is a target for relocation. The idea is to trigger the code that reads the
61 ## relocation's addend during relocation resolution. It should fail if called on
62 ## a non-SHT_RELA section.
63 Content: 380000000200210000000101FB0E0D00010101010000000100000100676C6F62616C2E63707000000000000009020000000000000000130237000101
64 - Name: .rela.debug_line
68 - Offset: 0x000000000000002E
71 ## Check that llvm-objdump reports an error when it tries to dump section names
72 ## and .shstrtab is not null-terminated.
74 # RUN: yaml2obj %s --docnum=4 -o %t4
75 # RUN: not llvm-objdump -s %t4 2>&1 | FileCheck --check-prefix=INVALIDERR %s
88 ## Check that llvm-objdump reports an error when it tries to dump a symbol name and
89 ## .strtab is not null-terminated.
91 # RUN: yaml2obj %s --docnum=5 -o %t5
92 # RUN: not llvm-objdump -syms %t5 2>&1 | FileCheck --check-prefix=NONULL %s
94 # NONULL: error: {{.*}}: SHT_STRTAB string table section [index 1] is non-null terminated
109 ## Check that llvm-readobj reports an error if .symtab has an invalid sh_entsize.
111 # RUN: yaml2obj %s --docnum=6 -o %t6
112 # RUN: not llvm-readobj --symbols %t6 2>&1 | FileCheck -DFILE=%t6 --check-prefix=INVALID-SYM-SIZE %s
114 # INVALID-SYM-SIZE: error: '[[FILE]]': section [index 1] has an invalid sh_entsize: 32
129 ## Check that llvm-readobj reports a warning if .dynsym has an invalid sh_entsize.
131 # RUN: yaml2obj %s --docnum=7 -o %t7
132 # RUN: llvm-readobj --dyn-symbols %t7 2>&1 | FileCheck --check-prefix=INVALID-DYNSYM-SIZE %s
134 # INVALID-DYNSYM-SIZE: warning: invalid section size (48) or entity size (32)
149 ## Check that llvm-readobj reports an error if .symtab has an invalid sh_link value,
150 ## which is greater than number of sections.
152 # RUN: yaml2obj %s --docnum=8 -o %t8
153 # RUN: not llvm-readobj --symbols %t8 2>&1 | FileCheck -DFILE=%t8 --check-prefix=INVALID-SYMTAB-LINK %s
155 # INVALID-SYMTAB-LINK: error: '[[FILE]]': invalid section index: 255
168 ## Check that llvm-readobj reports an error when trying to dump sections
169 ## when the e_shentsize field is broken.
171 # RUN: yaml2obj %s --docnum=9 -o %t9
172 # RUN: not llvm-readobj -S %t9 2>&1 | FileCheck --check-prefix=INVALID-SH-ENTSIZE %s
174 # INVALID-SH-ENTSIZE: error: {{.*}}: invalid e_shentsize in ELF header: 1
184 ## Check that llvm-readobj reports an error if .symtab has sh_size
185 ## that is not a multiple of sh_entsize.
187 # RUN: yaml2obj %s --docnum=10 -o %t10
188 # RUN: not llvm-readobj --symbols %t10 2>&1 | FileCheck -DFILE=%t10 --check-prefix=INVALID-SYMTAB-SIZE %s
190 # INVALID-SYMTAB-SIZE: error: '[[FILE]]': section [index 1] has an invalid sh_size (1) which is not a multiple of its sh_entsize (24)
203 ## Test that llvm-readobj reports an error if SHT_SYMTAB_SHNDX section has
204 ## invalid sh_size which should be:
205 ## sizeof(.symtab_shndx) = (sizeof(.symtab) / entsize(.symtab)) * entsize(.symtab_shndx)
207 # RUN: yaml2obj %s --docnum=11 -o %t11
208 # RUN: not llvm-readobj --symbols %t11 2>&1 | FileCheck --check-prefix=INVALID-XINDEX-SIZE %s
210 # INVALID-XINDEX-SIZE: error: {{.*}}: SHT_SYMTAB_SHNDX section has sh_size (24) which is not equal to the number of symbols (2)
219 - Name: .symtab_shndx
220 Type: SHT_SYMTAB_SHNDX
224 ## Check that llvm-readobj reports an error if the e_phentsize field is broken.
226 # RUN: not llvm-readobj --program-headers %p/Inputs/invalid-e_shnum.elf 2>&1 | \
227 # RUN: FileCheck -DFILE=%p/Inputs/invalid-e_shnum.elf --check-prefix=INVALID-PH-ENTSIZE %s
229 # INVALID-PH-ENTSIZE: error: '[[FILE]]': invalid e_phentsize: 12336
231 ## Check that llvm-readobj reports an error when we have no SHT_SYMTAB_SHNDX section,
232 ## but have a symbol referencing it.
234 # RUN: not llvm-readobj --symbols %p/Inputs/invalid-ext-symtab-index.elf-x86-64 2>&1 | \
235 # RUN: FileCheck -DFILE=%p/Inputs/invalid-ext-symtab-index.elf-x86-64 --check-prefix=INVALID-EXT-SYMTAB-INDEX %s
237 # INVALID-EXT-SYMTAB-INDEX: error: '[[FILE]]': extended symbol index (0) is past the end of the SHT_SYMTAB_SHNDX section of size 0
239 ## Check that llvm-readobj reports an error if a relocation section
240 ## has a broken sh_offset (past the end of the file).
242 # RUN: yaml2obj %s --docnum=12 -o %t12
243 # RUN: yaml2obj %s --docnum=13 -o %t13
244 # RUN: not llvm-readobj -r %t12 2>&1 | FileCheck -DFILE=%t12 --check-prefix=INVALID-RELOC-SH-OFFSET %s
245 # RUN: not llvm-readobj -r %t13 2>&1 | FileCheck -DFILE=%t13 --check-prefix=INVALID-RELOC-SH-OFFSET %s
247 # INVALID-RELOC-SH-OFFSET: error: '[[FILE]]': section [index 1] has a sh_offset (0x10000) + sh_size (0x0) that cannot be represented
271 ## Check that llvm-objdump reports an error when .shstrtab has a broken sh_offset
272 ## so large that sh_offset + sh_size overflows the platform address size type.
274 # RUN: yaml2obj %s --docnum=14 -o %t14
275 # RUN: not llvm-readobj --symbols %t14 2>&1 | FileCheck -DFILE=%t14 --check-prefix=INVALID-SECTION-SIZE2 %s
277 # INVALID-SECTION-SIZE2: error: '[[FILE]]': section [index 1] has a sh_offset (0xffffffff) + sh_size (0x27) that cannot be represented
290 ## Check that llvm-readobj reports an error when trying to dump sections
291 ## when the e_shnum field is broken (is greater than the actual number of sections).
293 # RUN: yaml2obj %s --docnum=15 -o %t15
294 # RUN: not llvm-readobj -S %t15 2>&1 | FileCheck --check-prefix=INVALID-SECTION-NUM %s
296 # INVALID-SECTION-NUM: error: {{.*}}: section table goes past the end of file
306 ## Check that llvm-readobj reports an error if a relocation contains an
307 ## incorrect (too large) symbol index.
309 # RUN: yaml2obj %s --docnum=16 -o %t16
310 # RUN: not llvm-readobj -r %t16 2>&1 | FileCheck -DFILE=%t16 --check-prefix=INVALID-REL-SYM %s
312 # INVALID-REL-SYM: error: '[[FILE]]': unable to access section [index 2] data at 0x18000180: offset goes past the end of file
329 ## Check llvm-readobj does not crash on a truncated ELF.
331 ## Create a truncated ELF object with ELFCLASSNONE class using echo.
332 ## 0x7f, 'E', 'L', 'F', ELFCLASS64(2), ELFDATA2LSB(1),
333 ## EV_CURRENT(1), ELFOSABI_LINUX(3), <padding zero bytes>, ET_REL(1), EM_NONE(0)
334 # RUN: echo -e -n "\x7f\x45\x4c\x46\x02\x01\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00" > %t11
335 # RUN: not llvm-readobj -r %t11 2>&1 | FileCheck --check-prefix=INVALID-BUFFER %s
337 # INVALID-BUFFER: error: {{.*}}': invalid buffer: the size (18) is smaller than an ELF header (64)
339 # RUN: not llvm-readobj %p/Inputs/invalid-coff-header-too-small 2>&1 | FileCheck --check-prefix=COFF-HEADER %s
340 # COFF-HEADER: The file was not recognized as a valid object file
342 ## Check that llvm-readobj reports an error if section name offset
343 ## overflows the section name string table.
345 # RUN: yaml2obj %s --docnum=17 -o %t17
346 # RUN: not llvm-readobj --sections %t17 2>&1 | FileCheck -DFILE=%t17 --check-prefix=BROKEN-SECNAME %s
348 ## BROKEN-SECNAME: error: '[[FILE]]': a section [index 1] has an invalid sh_name (0x1) offset which goes past the end of the section name string table
361 ## Check that llvm-readobj reports an error if a section has a broken offset
362 ## that goes past the end of the file.
364 # RUN: yaml2obj %s --docnum=18 -o %t18
365 # RUN: not llvm-readobj --sections --section-data %t18 2>&1 \
366 # RUN: | FileCheck -DFILE=%t18 --check-prefix=BROKEN-SECSHOFFSET %s
368 # BROKEN-SECSHOFFSET: error: '[[FILE]]': section [index 1] has a sh_offset (0xffff0000) + sh_size (0x0) that cannot be represented
381 ## Check that llvm-readobj reports an error if symbol name
382 ## offset goes past the end of the symbol string table.
384 # RUN: yaml2obj %s --docnum=19 -o %t19
385 # RUN: not llvm-readobj --symbols %t19 2>&1 | FileCheck -DFILE=%t19 --check-prefix=INVALID-SYM-NAME %s
387 # INVALID-SYM-NAME: error: '[[FILE]]': Invalid data was encountered while parsing the file
402 ## Version index in .gnu.version overflows the version map.
403 ## Check llvm-readobj reports it.
405 # RUN: yaml2obj %s --docnum=20 -o %t20
406 # RUN: not llvm-readobj -dt %t20 2>&1 | FileCheck --check-prefix=INVALID-VERSION %s
408 # INVALID-VERSION: error: Invalid version entry
423 ## ELF header contains e_phentsize field with a value != sizeof(Elf_Phdr).
424 ## Check llvm-readobj reports it.
426 # RUN: not llvm-readobj -l %p/Inputs/corrupt-invalid-phentsize.elf.x86-64 2>&1 \
427 # RUN: | FileCheck -DFILE=%p/Inputs/corrupt-invalid-phentsize.elf.x86-64 --check-prefix=PHENTSIZE %s
429 # PHENTSIZE: error: '[[FILE]]': invalid e_phentsize: 57
431 ## The dynamic table contains DT_STRTAB with a value that is not in any loadable segment.
432 ## Check llvm-readobj reports it.
434 # RUN: yaml2obj %s --docnum=21 -o %t21
435 # RUN: llvm-readobj --dynamic-table %t21 2>&1 | FileCheck --check-prefix=INVALID-DTSTRTAB %s
437 # INVALID-DTSTRTAB: warning: Unable to parse DT_STRTAB: virtual address is not in any segment: 0xffff0000
460 ## Check that llvm-readobj reports a warning when a dynamic relocation section
461 ## has sh_entsize field with size != sizeof(Elf_Rela).
463 # RUN: llvm-readobj --dyn-relocations \
464 # RUN: %p/Inputs/corrupt-invalid-relocation-size.elf.x86-64 2>&1 \
465 # RUN: | FileCheck --check-prefix=RELOC-BROKEN-ENTSIZE %s
467 # RELOC-BROKEN-ENTSIZE: warning: invalid section size (24) or entity size (25)
469 ## Check that llvm-readobj reports a warning when .dynamic section has an invalid
470 ## size, which isn't a multiple of the dynamic entry size.
472 # RUN: yaml2obj %s --docnum=22 -o %t22
473 # RUN: llvm-readobj --dyn-relocations %t22 2>&1 | FileCheck --check-prefix=DYN-TABLE-SIZE %s
475 # DYN-TABLE-SIZE: warning: invalid section size (1) or entity size (16)
488 ## PT_DYNAMIC's p_offset field is so large that p_offset + p_filesz is larger
489 ## than the object size. Check llvm-readobj reports it.
491 # RUN: yaml2obj %s --docnum=23 -o %t23
492 # RUN: not llvm-readobj --dyn-relocations %t23 2>&1 | FileCheck --check-prefix=DYN-TABLE-PHDR %s
494 # DYN-TABLE-PHDR: error: PT_DYNAMIC segment offset + size exceeds the size of the file
514 ## PT_DYNAMIC's p_filesz field is so large that p_offset + p_filesz is larger
515 ## than the object size. Check llvm-readobj reports it.
517 # RUN: yaml2obj %s --docnum=24 -o %t24
518 # RUN: not llvm-readobj --dyn-relocations %t24 2>&1 \
519 # RUN: | FileCheck --check-prefix=DYN-TABLE-PHDR %s
539 # RUN: yaml2obj --docnum=25 %s -o %t25
540 # RUN: not obj2yaml 2>&1 %t25 | FileCheck %s -DFILE=%t25 --check-prefix=INVALID-SHSTRNDX
542 # INVALID-SHSTRNDX: Error reading file: [[FILE]]: section header string table index 255 does not exist
555 ## We report an error if the number of sections stored in sh_size
556 ## is greater than UINT64_MAX / sizeof(Elf_Shdr) == 288230376151711743.
557 ## Here we check that do not crash on a border value.
559 # RUN: yaml2obj --docnum=26 %s -o %t26
560 # RUN: not llvm-readobj -h %t26 2>&1 | FileCheck -DFILE=%t26 --check-prefix=INVALID-SEC-NUM1 %s
562 # INVALID-SEC-NUM1: error: '[[FILE]]': invalid section header table offset (e_shoff = 0x40) or invalid number of sections specified in the first section header's sh_size field (0x3ffffffffffffff)
573 Size: 288230376151711743
575 ## See above, but now we test the UINT64_MAX / sizeof(Elf_Shdr) value.
576 ## The error is slightly different in this case.
578 # RUN: yaml2obj --docnum=27 %s -o %t27
579 # RUN: not llvm-readobj -h %t27 2>&1 | FileCheck -DFILE=%t27 --check-prefix=INVALID-SEC-NUM2 %s
581 # INVALID-SEC-NUM2: error: '[[FILE]]': invalid number of sections specified in the NULL section's sh_size field (288230376151711744)
592 Size: 288230376151711744
594 ## Check the case when SHOffset is too large. SHOffset + sizeof(Elf_Shdr) overflows the uint64 type.
596 # RUN: yaml2obj --docnum=28 %s -o %t28
597 # RUN: not llvm-readobj -h %t28 2>&1 | FileCheck -DFILE=%t28 --check-prefix=INVALID-SEC-NUM3 %s
599 # INVALID-SEC-NUM3: error: '[[FILE]]': section header table goes past the end of the file: e_shoff = 0xffffffffffffffff
607 SHOffset: 0xffffffffffffffff
609 ## Check that llvm-objdump reports an error when it tries to dump a
610 ## symbol name and .strtab is empty.
612 # RUN: yaml2obj %s --docnum=29 -o %t29
613 # RUN: not llvm-objdump -syms %t29 2>&1 | FileCheck -DFILE=%t29 --check-prefix=STRTAB-EMPTY2 %s
615 # STRTAB-EMPTY2: error: '[[FILE]]': SHT_STRTAB string table section [index 1] is empty
630 ## Check that we report an error if SHT_GNU_versym has invalid
631 ## sh_entsize value (3 instead of 2) when trying to access the entries.
633 # RUN: yaml2obj %s --docnum=30 -o %t30
634 # RUN: not llvm-readobj -V %t30 2>&1 | FileCheck -DFILE=%t30 --check-prefix=INVALID-VER-SHENTSIZE %s
636 # INVALID-VER-SHENTSIZE: error: '[[FILE]]': section [index 1] has invalid sh_entsize: expected 2, but got 3
642 OSABI: ELFOSABI_FREEBSD
648 EntSize: 0x0000000000000003
650 ## Needed to trigger creation of .dynsym.
655 ## Check the case when e_shstrndx == SHN_XINDEX, but null section's sh_link contains
656 ## the index of a section header string table that is larger than the number of the sections.
658 # RUN: yaml2obj --docnum=31 %s -o %t31
659 # RUN: not llvm-objcopy %t31 2>&1 | FileCheck %s -DFILE=%t31 --check-prefix=INVALID-SHSTRTAB-INDEX
661 # INVALID-SHSTRTAB-INDEX: error: section header string table index 255 does not exist
669 ## SHN_XINDEX == 0xffff.