diff options
| -rw-r--r-- | binutils/dwarf.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/binutils/dwarf.c b/binutils/dwarf.c index 2b32ed68c5a..d6d852b03ea 100644 --- a/binutils/dwarf.c +++ b/binutils/dwarf.c @@ -9252,7 +9252,18 @@ process_cu_tu_index (struct dwarf_section *section, int do_display) } if (!do_display) - memcpy (&this_set[row - 1].signature, ph, sizeof (uint64_t)); + { + size_t num_copy = sizeof (uint64_t); + + /* PR 23064: Beware of buffer overflow. */ + if (ph + num_copy < limit) + memcpy (&this_set[row - 1].signature, ph, num_copy); + else + { + warn (_("Signature (%p) extends beyond end of space in section\n"), ph); + return 0; + } + } prow = poffsets + (row - 1) * ncols * 4; /* PR 17531: file: b8ce60a8. */ |