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| author | H.J. Lu <hjl.tools@gmail.com> | 2005-05-18 13:41:59 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2005-05-18 13:41:59 +0000 |
| commit | 13792e9d85c5cdd3a37f675ce4006ad546ad91f1 (patch) | |
| tree | dcda0e043c34280947c6e9021e1633f5d61cd924 | |
| parent | a0ef61f7a061fa836f9b09178c4347bdc159a4f6 (diff) | |
| download | gdb-13792e9d85c5cdd3a37f675ce4006ad546ad91f1.zip gdb-13792e9d85c5cdd3a37f675ce4006ad546ad91f1.tar.gz gdb-13792e9d85c5cdd3a37f675ce4006ad546ad91f1.tar.bz2 | |
2005-05-18 H.J. Lu <hongjiu.lu@intel.com>
* elf.c (group_signature): Check if the symbol table section is
correct.
| -rw-r--r-- | bfd/ChangeLog | 5 | ||||
| -rw-r--r-- | bfd/elf.c | 22 |
2 files changed, 10 insertions, 17 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 76f3f26..9452a35 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,8 @@ +2005-05-18 H.J. Lu <hongjiu.lu@intel.com> + + * elf.c (group_signature): Undo the last change. Check if the + symbol table section is correct. + 2005-05-17 Zack Weinberg <zack@codesourcery.com> * elf32-arm.c: Wherever possible, use official reloc names @@ -451,24 +451,12 @@ group_signature (bfd *abfd, Elf_Internal_Shdr *ghdr) unsigned char esym[sizeof (Elf64_External_Sym)]; Elf_External_Sym_Shndx eshndx; Elf_Internal_Sym isym; - unsigned int i; - - if (ghdr == NULL) - return NULL; - - /* If this section is linked to by other sections then it is a symbol or - string section which is masquerading as a group. This is a bad thing, - and if we carry on to the call to bfd_section_from_shdr below we will - enter an infinite loop. So check now and break out if we detect this - case. See: - http://sources.redhat.com/ml/binutils/2005-05/msg00421.html - for a report of a case that tirggers this code. */ - for (i = elf_numsections (abfd); i--;) - if (elf_elfsections (abfd) [elf_elfsections (abfd) [i]->sh_link] == ghdr) - return NULL; - /* Next we need to ensure the symbol table is available. */ - if (! bfd_section_from_shdr (abfd, ghdr->sh_link)) + /* First we need to ensure the symbol table is available. Make sure + that it is a symbol table section. */ + hdr = elf_elfsections (abfd) [ghdr->sh_link]; + if (hdr->sh_type != SHT_SYMTAB + || ! bfd_section_from_shdr (abfd, ghdr->sh_link)) return NULL; /* Go read the symbol. */ |