diff options
Diffstat (limited to 'binutils/dwarf.c')
| -rw-r--r-- | binutils/dwarf.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/binutils/dwarf.c b/binutils/dwarf.c index c96613f..e55a7da 100644 --- a/binutils/dwarf.c +++ b/binutils/dwarf.c @@ -7379,18 +7379,22 @@ display_debug_str_offsets (struct dwarf_section *section, else entry_length = 4; + unsigned char *entries_end; if (length == 0) { /* This is probably an old style .debug_str_offset section which just contains offsets and no header (and the first offset is 0). */ length = section->size; curr = section->start; + entries_end = end; printf (_(" Length: %#lx\n"), (unsigned long) length); printf (_(" Index Offset [String]\n")); } else { + entries_end = curr + length; + int version; SAFE_BYTE_GET_AND_INC (version, curr, 2, end); if (version != 5) @@ -7406,11 +7410,15 @@ display_debug_str_offsets (struct dwarf_section *section, printf (_(" Index Offset [String]\n")); } - for (idx = 0; length >= entry_length && curr < end; idx++) + for (idx = 0; curr < entries_end; idx++) { dwarf_vma offset; const unsigned char * string; + if (curr + entry_length > entries_end) + /* Not enough space to read one entry_length, give up. */ + return 0; + SAFE_BYTE_GET_AND_INC (offset, curr, entry_length, end); if (dwo) string = (const unsigned char *) |