From 41ba8b76ccc5bb01507beb3b49df039264bcf34a Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Wed, 2 Feb 2022 17:06:22 +0000 Subject: [PATCH] Stop the BFD library complaining about compressed dwarf debug string sections being too big. PR 28834 * dwarf2.c (read_section): Change the heuristic that checks for overlarge dwarf debug info sections. --- bfd/ChangeLog | 6 ++++++ bfd/dwarf2.c | 8 ++++++-- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index b2137647855..607becee183 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2022-02-02 Nick Clifton + + PR 28834 + * dwarf2.c (read_section): Change the heuristic that checks for + overlarge dwarf debug info sections. + 2022-02-02 Stafford Horne PR 28735 diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c index be9983edbf0..fdf071c36e9 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; -- 2.30.2