diff options
Diffstat (limited to 'bfd/elf.c')
-rw-r--r-- | bfd/elf.c | 38 |
1 files changed, 29 insertions, 9 deletions
@@ -9590,27 +9590,36 @@ elfcore_grok_freebsd_psinfo (bfd *abfd, Elf_Internal_Note *note) { size_t offset; - /* Check for version 1 in pr_version. */ - if (bfd_h_get_32 (abfd, (bfd_byte *) note->descdata) != 1) - return FALSE; - offset = 4; - - /* Skip over pr_psinfosz. */ switch (abfd->arch_info->bits_per_word) { case 32: - offset += 4; + if (note->descsz < 108) + return FALSE; break; case 64: - offset += 4; /* Padding before pr_psinfosz. */ - offset += 8; + if (note->descsz < 120) + return FALSE; break; default: return FALSE; } + /* Check for version 1 in pr_version. */ + if (bfd_h_get_32 (abfd, (bfd_byte *) note->descdata) != 1) + return FALSE; + offset = 4; + + /* Skip over pr_psinfosz. */ + if (abfd->arch_info->bits_per_word == 32) + offset += 4; + else + { + offset += 4; /* Padding before pr_psinfosz. */ + offset += 8; + } + /* pr_fname is PRFNAMESZ (16) + 1 bytes in size. */ elf_tdata (abfd)->core->program = _bfd_elfcore_strndup (abfd, note->descdata + offset, 17); @@ -9619,6 +9628,17 @@ elfcore_grok_freebsd_psinfo (bfd *abfd, Elf_Internal_Note *note) /* pr_psargs is PRARGSZ (80) + 1 bytes in size. */ elf_tdata (abfd)->core->command = _bfd_elfcore_strndup (abfd, note->descdata + offset, 81); + offset += 81; + + /* Padding before pr_pid. */ + offset += 2; + + /* The pr_pid field was added in version "1a". */ + if (note->descsz < offset + 4) + return TRUE; + + elf_tdata (abfd)->core->pid + = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + offset); return TRUE; } |