diff options
Diffstat (limited to 'llvm/test/tools/llvm-readobj/ELF/verdef-invalid.test')
| -rw-r--r-- | llvm/test/tools/llvm-readobj/ELF/verdef-invalid.test | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/llvm/test/tools/llvm-readobj/ELF/verdef-invalid.test b/llvm/test/tools/llvm-readobj/ELF/verdef-invalid.test new file mode 100644 index 00000000000..f80e9383f70 --- /dev/null +++ b/llvm/test/tools/llvm-readobj/ELF/verdef-invalid.test @@ -0,0 +1,310 @@ +## Test how llvm-readobj/llvm-readelf tools handle invalid SHT_GNU_verdef sections. + +## Check that we report a warning when sh_link references a non-existent section. + +# RUN: yaml2obj %s --docnum=1 -o %t1 +# RUN: llvm-readobj -V %t1 2>&1 | FileCheck %s --check-prefix=INVALID-LINK-LLVM --implicit-check-not="warning:" -DFILE=%t1 +# RUN: llvm-readelf -V %t1 2>&1 | FileCheck %s --check-prefix=INVALID-LINK-GNU --implicit-check-not="warning:" -DFILE=%t1 + +# INVALID-LINK-LLVM: warning: '[[FILE]]': invalid section linked to SHT_GNU_verdef section with index 1: invalid section index: 255 + +# INVALID-LINK-GNU: Version definition section '.gnu.version_d' contains 0 entries: +# INVALID-LINK-GNU: warning: '[[FILE]]': invalid section linked to SHT_GNU_verdef section with index 1: invalid section index: 255 +# INVALID-LINK-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 255 (<corrupt>) + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: 0xFF + Info: 0x0 + Entries: [] + +## Check that we report a warning when the sh_link field of a SHT_GNU_verdef section references a non-string table section. + +# RUN: yaml2obj %s --docnum=2 -o %t2 +# RUN: llvm-readobj -V %t2 2>&1 | FileCheck %s --check-prefix=INVALID-STRING-TABLE -DFILE=%t2 +# RUN: llvm-readelf -V %t2 2>&1 | FileCheck %s --check-prefix=INVALID-STRING-TABLE -DFILE=%t2 + +# INVALID-STRING-TABLE: warning: '[[FILE]]': invalid string table linked to SHT_GNU_verdef section with index 1: invalid sh_type for string table section [index 0]: expected SHT_STRTAB, but got SHT_NULL + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: 0x0 + Info: 0x0 + Entries: [] + +## Check that we report a warning when we can't read the content of the SHT_GNU_verdef section. + +# RUN: yaml2obj %s --docnum=3 -o %t3 +# RUN: llvm-readobj -V %t3 2>&1 | FileCheck %s --check-prefix=INVALID-DATA -DFILE=%t3 +# RUN: llvm-readelf -V %t3 2>&1 | FileCheck %s --check-prefix=INVALID-DATA -DFILE=%t3 + +# INVALID-DATA: warning: '[[FILE]]': cannot read content of SHT_GNU_verdef section with index 1: section [index 1] has a sh_offset (0xffffffff) + sh_size (0x0) that is greater than the file size (0x230) + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: .dynstr + Info: 0x0 + Entries: [] + ShOffset: 0xFFFFFFFF +DynamicSymbols: + - Name: foo + +## Check that we report a warning when a SHT_GNU_verdef section contains a version definition +## that goes past the end of the section. + +# RUN: yaml2obj %s --docnum=4 -o %t4 +# RUN: llvm-readobj -V %t4 2>&1 | FileCheck %s --check-prefix=DEF-PAST-END -DFILE=%t4 +# RUN: llvm-readelf -V %t4 2>&1 | FileCheck %s --check-prefix=DEF-PAST-END -DFILE=%t4 + +# DEF-PAST-END: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: version definition 1 goes past the end of the section + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: .dynstr + Info: 0x1 + Entries: + - Version: 1 + Flags: 0 + VersionNdx: 0 + Hash: 0 + Names: + - FOO + ShSize: 1 +DynamicSymbols: + - Name: foo + +## Check that we report a warning when a SHT_GNU_verdef section contains a version definition +## that refers to an auxiliary entry that goes past the end of the section. + +# RUN: yaml2obj %s --docnum=5 -o %t5 +# RUN: llvm-readobj -V %t5 2>&1 | FileCheck %s --check-prefix=AUX-PAST-END -DFILE=%t5 +# RUN: llvm-readelf -V %t5 2>&1 | FileCheck %s --check-prefix=AUX-PAST-END -DFILE=%t5 + +# AUX-PAST-END: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: version definition 1 refers to an auxiliary entry that goes past the end of the section + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: .dynstr + Info: 0x1 + Entries: + - Version: 1 + Flags: 0 + VersionNdx: 0 + Hash: 0 + Names: + - FOO + ShSize: 21 +DynamicSymbols: + - Name: foo + +## Check that we can dump a SHT_GNU_verdef section properly even if it contains version names strings +## that overrun the linked string table. + +# RUN: yaml2obj %s --docnum=6 -o %t6 +# RUN: llvm-readobj -V %t6 2>&1 | FileCheck %s --check-prefix=PAST-STRTAB-END-LLVM --implicit-check-not="warning:" -DFILE=%t6 +# RUN: llvm-readelf -V %t6 2>&1 | FileCheck %s --check-prefix=PAST-STRTAB-END-GNU --implicit-check-not="warning:" -DFILE=%t6 + +# PAST-STRTAB-END-LLVM: VersionDefinitions [ +# PAST-STRTAB-END-LLVM-NEXT: Definition { +# PAST-STRTAB-END-LLVM-NEXT: Version: 1 +# PAST-STRTAB-END-LLVM-NEXT: Flags [ (0x0) +# PAST-STRTAB-END-LLVM-NEXT: ] +# PAST-STRTAB-END-LLVM-NEXT: Index: 0 +# PAST-STRTAB-END-LLVM-NEXT: Hash: 0 +# PAST-STRTAB-END-LLVM-NEXT: Name: <invalid vda_name: 5> +# PAST-STRTAB-END-LLVM-NEXT: Predecessors: [] +# PAST-STRTAB-END-LLVM-NEXT: } +# PAST-STRTAB-END-LLVM-NEXT: ] + +# PAST-STRTAB-END-GNU: Version definition section '.gnu.version_d' contains 1 entries: +# PAST-STRTAB-END-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 2 (.strtab) +# PAST-STRTAB-END-GNU-NEXT: 0x0000: Rev: 1 Flags: none Index: 0 Cnt: 1 Name: <invalid vda_name: 5> + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: .strtab + Info: 0x1 + Entries: + - Version: 1 + Flags: 0 + VersionNdx: 0 + Hash: 0 + Names: + - FOO + - Name: .strtab + Type: SHT_STRTAB +DynamicSymbols: + - Name: BAR + +## Check we report a warning when a version definition is not correctly aligned in memory. + +# RUN: yaml2obj %s --docnum=7 -o %t7 +# RUN: llvm-readobj -V %t7 2>&1 | FileCheck %s --check-prefix=MISALIGNED-DEF -DFILE=%t7 +# RUN: llvm-readelf -V %t7 2>&1 | FileCheck %s --check-prefix=MISALIGNED-DEF -DFILE=%t7 + +# MISALIGNED-DEF: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: found a misaligned version definition entry at offset 0x0 + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Type: Fill + Size: 0x1 + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: .dynstr + Info: 0x1 + Entries: + - Version: 1 + Flags: 0 + VersionNdx: 0 + Hash: 0 + Names: + - FOO +DynamicSymbols: + - Name: foo + +## Check we report a warning when an auxiliary entry is not correctly aligned in memory. + +# RUN: yaml2obj %s --docnum=8 -o %t8 +# RUN: llvm-readobj -V %t8 2>&1 | FileCheck %s --check-prefix=MISALIGNED-AUX -DFILE=%t8 +# RUN: llvm-readelf -V %t8 2>&1 | FileCheck %s --check-prefix=MISALIGNED-AUX -DFILE=%t8 + +# MISALIGNED-AUX: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: found a misaligned auxiliary entry at offset 0x13 + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Flags: [ SHF_ALLOC ] + Link: .dynstr + Info: 0x1 +## The byte offset to the auxiliary entry is 0x13, i.e. it is not correctly aligned in memory. + Content: "0100000000000100000000001300000000000000" +DynamicSymbols: + - Name: foo + Binding: STB_GLOBAL + +## Check how we handle a version definition entry with an unsupported version. + +# RUN: yaml2obj %s --docnum=9 -o %t9 +# RUN: llvm-readobj -V %t9 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED-VERSION -DFILE=%t9 +# RUN: llvm-readelf -V %t9 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED-VERSION -DFILE=%t9 + +# UNSUPPORTED-VERSION: warning: '[[FILE]]': unable to dump SHT_GNU_verdef section with index 1: version 65278 is not yet supported + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: .dynstr + Info: 0x1 + Entries: + - Version: 0xfefe + Flags: 0 + VersionNdx: 0 + Hash: 0 + Names: [] +DynamicSymbols: + - Name: foo + +## Check we error out when trying to print version symbols, but SHT_GNU_verdef is invalid due to any reason. + +# RUN: yaml2obj %s --docnum=10 -o %t10 +# RUN: not llvm-readobj -V %t10 2>&1 | FileCheck %s --check-prefix=INVALID-VERDEF-LLVM -DFILE=%t10 +# RUN: not llvm-readelf -V %t10 2>&1 | FileCheck %s --check-prefix=INVALID-VERDEF-GNU -DFILE=%t10 + +# INVALID-VERDEF-LLVM: VersionSymbols [ +# INVALID-VERDEF-LLVM-NEXT: Symbol { +# INVALID-VERDEF-LLVM-NEXT: Version: 0 +# INVALID-VERDEF-LLVM-NEXT: Name: +# INVALID-VERDEF-LLVM-NEXT: } +# INVALID-VERDEF-LLVM-NEXT: Symbol { +# INVALID-VERDEF-LLVM-NEXT: Version: 2 +# INVALID-VERDEF-LLVM-EMPTY: +# INVALID-VERDEF-LLVM-NEXT: error: '[[FILE]]': invalid SHT_GNU_verdef section with index 2: version definition 1 goes past the end of the section + +# INVALID-VERDEF-GNU: Version symbols section '.gnu.version' contains 2 entries: +# INVALID-VERDEF-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 5 (.dynsym) +# INVALID-VERDEF-GNU-NEXT: 000: 0 (*local*) +# INVALID-VERDEF-GNU-NEXT: error: '[[FILE]]': invalid SHT_GNU_verdef section with index 2: version definition 1 goes past the end of the section + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version + Type: SHT_GNU_versym + Flags: [ SHF_ALLOC ] + Link: .dynsym + AddressAlign: 0x0000000000000002 + EntSize: 0x0000000000000002 + Entries: [ 0, 2 ] + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Flags: [ SHF_ALLOC ] + Link: .dynstr + AddressAlign: 0x4 + Info: 0x1 + Entries: [] +DynamicSymbols: + - Name: foo + Binding: STB_GLOBAL |
