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Check symbol number and .st_name

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https://github.com/upx/upx/issues/235  POC1,POC3,POC7,POC9
	modified:   p_elf_enum.h
	modified:   p_lx_elf.h
	modified:   p_lx_elf.cpp
This commit is contained in:
John Reiser
2018-12-14 21:32:49 -08:00
parent 75c31dff1d
commit 606ad08dd1
3 changed files with 95 additions and 7 deletions
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src/p_lx_elf.h
+6
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@@ -163,6 +163,7 @@ protected:
virtual upx_uint64_t elf_unsigned_dynamic(unsigned) const;
virtual int adjABS(Elf32_Sym *sym, unsigned delta);
char const *get_dynsym_name(unsigned symnum, unsigned relnum) const;
protected:
Elf32_Ehdr ehdri; // from input file
MemBuffer lowmem; // especially for shlib
@@ -189,6 +190,8 @@ protected:
Elf32_Shdr *sec_strndx;
Elf32_Shdr const *sec_dynsym;
Elf32_Shdr const *sec_dynstr;
unsigned symnum_end;
unsigned strtab_end;
__packed_struct(cprElfHdr1)
Elf32_Ehdr ehdr;
@@ -295,6 +298,7 @@ protected:
virtual upx_uint64_t elf_unsigned_dynamic(unsigned) const;
virtual int adjABS(Elf64_Sym *sym, unsigned delta);
char const *get_dynsym_name(unsigned symnum, unsigned relnum) const;
protected:
Elf64_Ehdr ehdri; // from input file
MemBuffer lowmem; // especially for shlib
@@ -321,6 +325,8 @@ protected:
Elf64_Shdr *sec_strndx;
Elf64_Shdr const *sec_dynsym;
Elf64_Shdr const *sec_dynstr;
unsigned symnum_end;
unsigned strtab_end;
__packed_struct(cprElfHdr1)
Elf64_Ehdr ehdr;