diff options
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/dwarf2.c | 8 |
2 files changed, 12 insertions, 2 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index b213764..607bece 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2022-02-02 Nick Clifton <nickc@redhat.com> + + PR 28834 + * dwarf2.c (read_section): Change the heuristic that checks for + overlarge dwarf debug info sections. + 2022-02-02 Stafford Horne <shorne@gmail.com> PR 28735 diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c index be9983e..fdf071c 100644 --- a/bfd/dwarf2.c +++ b/bfd/dwarf2.c @@ -557,10 +557,14 @@ read_section (bfd * abfd, amt = bfd_get_section_limit_octets (abfd, msec); filesize = bfd_get_file_size (abfd); - if (amt >= filesize) + /* PR 28834: A compressed debug section could well decompress to a size + larger than the file, so we choose an arbitrary modifier of 10x in + the test below. If this ever turns out to be insufficient, it can + be changed by a future update. */ + if (amt >= filesize * 10) { /* PR 26946 */ - _bfd_error_handler (_("DWARF error: section %s is larger than its filesize! (0x%lx vs 0x%lx)"), + _bfd_error_handler (_("DWARF error: section %s is larger than 10x its filesize! (0x%lx vs 0x%lx)"), section_name, (long) amt, (long) filesize); bfd_set_error (bfd_error_bad_value); return false; |