[PATCH] D119741: [ifs] Add the invalid STRSZ test to llvm-ifs
Haowei Wu via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Feb 14 10:49:07 PST 2022
haowei created this revision.
haowei added reviewers: jhenderson, mcgrathr, phosek.
haowei requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
This patch adds an addition test to test llvm-ifs's behavior when DT_STRSZ value from .dynamic is invalid
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D119741
Files:
llvm/test/tools/llvm-ifs/binary-read-bad-vaddr.test
Index: llvm/test/tools/llvm-ifs/binary-read-bad-vaddr.test
===================================================================
--- llvm/test/tools/llvm-ifs/binary-read-bad-vaddr.test
+++ llvm/test/tools/llvm-ifs/binary-read-bad-vaddr.test
@@ -1,7 +1,7 @@
-# RUN: yaml2obj %s -o %t
-# RUN: not llvm-ifs --input-format=ELF --output-ifs=%t.tbe %t 2>&1 | FileCheck %s
+# RUN: yaml2obj %s --docnum=1 -o %t.1
+# RUN: not llvm-ifs --input-format=ELF --output-ifs=%t.tbe1 %t.1 2>&1 | FileCheck %s --check-prefix=ERR1
-!ELF
+--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
@@ -44,4 +44,54 @@
FirstSec: .dynamic
LastSec: .dynamic
-# CHECK: virtual address is not in any segment: 0x260 when locating dynamic string table section contents
+# ERR1: virtual address is not in any segment: 0x260 when locating dynamic string table section contents
+
+# RUN: yaml2obj %s --docnum=2 -o %t.2
+# RUN: not llvm-ifs --input-format=ELF --output-ifs=%t.tbe2 %t.2 2>&1 | FileCheck %s --check-prefix=ERR2
+
+
+--- !ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_DYN
+ Machine: EM_X86_64
+Sections:
+ - Name: .dynstr
+ Type: SHT_STRTAB
+ Flags: [ SHF_ALLOC ]
+ Address: 0x1000
+ Content: "00"
+ - Name: .dynamic
+ Type: SHT_DYNAMIC
+ Flags: [ SHF_ALLOC ]
+ Address: 0x0000000000001008
+ Link: .dynstr
+ AddressAlign: 0x0000000000000008
+ EntSize: 0x0000000000000010
+ Entries:
+ - Tag: DT_SONAME
+ Value: 0x0000000000000000
+ - Tag: DT_STRSZ
+ Value: 0x0000000000001000 # Bad size (no PT_LOAD for 0x2000 to 0x2FFF)
+ - Tag: DT_STRTAB
+ Value: 0x0000000000001000
+ - Tag: DT_SYMTAB
+ Value: 0x0000000000001000
+ - Tag: DT_NULL
+ Value: 0x0000000000000000
+ProgramHeaders:
+ - Type: PT_LOAD
+ Flags: [ PF_R ]
+ VAddr: 0x1000
+ Align: 8
+ FirstSec: .dynstr
+ LastSec: .dynamic
+ - Type: PT_DYNAMIC
+ Flags: [ PF_X, PF_R ]
+ VAddr: 0x1008
+ FirstSec: .dynamic
+ LastSec: .dynamic
+
+
+# ERR2: virtual address is not in any segment: 0x2000 when locating dynamic string table section contents
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