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authorNick Clifton <nickc@redhat.com>2015-02-10 14:11:00 +0000
committerNick Clifton <nickc@redhat.com>2015-02-10 14:11:00 +0000
commit77ef86547510cee3a2bff27bea9f19f0b2715bae (patch)
treecf37b63c2505ce132ac49d286340751c4caebe7f /bfd/coffcode.h
parentb677c4562dea82ffaf413e7e9311ca4b9c1c6ec6 (diff)
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Fix memory access violations triggered by running objdump compiled with out-of-bounds sanitization checking.
PR binutils/17512 * dwarf.c (eh_addr_size): Use an unsigned type. (size_of_encoded_value): Return an unsigned type. (read_leb128): Break if the shift becomes too big. (process_extended_line_op): Do not read the address if the length is too long. (read_cie): Warn and fail if the pointer size or segment size are too big. * dwarf.h (DWARF2_External_LineInfo): Delete unused and incorrect structure definition. (DWARF2_External_PubNames): Likewise. (DWARF2_External_CompUnit): Likewise. (DWARF2_External_ARange): Likewise. (DWARF2_Internal_LineInfo): Use dwarf_vma type for li_prologue_length. (eh_addr_size): Update prototype. * coffcode.h (styp_to_sec_flags): Use an unsigned long type to hold the flag bits. * peXXigen.c (pe_print_reloc): Use unsigned types to hold the size and number of relocs. (pe_print_debugdata): Use a 32-bit aligned buffer to store the codeview record. * versados.c (process_otr): Check the esdid value before using it to access the EDATA.
Diffstat (limited to 'bfd/coffcode.h')
-rw-r--r--bfd/coffcode.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/bfd/coffcode.h b/bfd/coffcode.h
index 76e5873..0ac4ce0 100644
--- a/bfd/coffcode.h
+++ b/bfd/coffcode.h
@@ -1169,7 +1169,7 @@ styp_to_sec_flags (bfd *abfd,
flagword *flags_ptr)
{
struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr;
- long styp_flags = internal_s->s_flags;
+ unsigned long styp_flags = internal_s->s_flags;
flagword sec_flags;
bfd_boolean result = TRUE;
bfd_boolean is_dbg = FALSE;
@@ -1192,7 +1192,7 @@ styp_to_sec_flags (bfd *abfd,
/* Process each flag bit in styp_flags in turn. */
while (styp_flags)
{
- long flag = styp_flags & - styp_flags;
+ unsigned long flag = styp_flags & - styp_flags;
char * unhandled = NULL;
styp_flags &= ~ flag;