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Diffstat (limited to 'debian/patches/pr21434.diff')
| -rw-r--r-- | debian/patches/pr21434.diff | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/debian/patches/pr21434.diff b/debian/patches/pr21434.diff new file mode 100644 index 0000000..0e6dc41 --- /dev/null +++ b/debian/patches/pr21434.diff @@ -0,0 +1,33 @@ +From 04b31182bf3f8a1a76e995bdfaaaab4c009b9cb2 Mon Sep 17 00:00:00 2001 +From: Nick Clifton <nickc@redhat.com> +Date: Wed, 26 Apr 2017 16:30:22 +0100 +Subject: [PATCH] Fix a seg-fault when processing a corrupt binary containing + reloc(s) with negative addresses. + + PR binutils/21434 + * reloc.c (bfd_perform_relocation): Check for a negative address + in the reloc. +--- + bfd/ChangeLog | 6 ++++++ + bfd/reloc.c | 5 ++++- + 2 files changed, 10 insertions(+), 1 deletion(-) + +diff --git a/bfd/reloc.c b/bfd/reloc.c +index 2791458..9a04022 100644 +--- a/bfd/reloc.c ++++ b/bfd/reloc.c +@@ -624,7 +624,10 @@ bfd_perform_relocation (bfd *abfd, + PR 17512: file: c146ab8b, 46dff27f, 38e53ebf. */ + octets = reloc_entry->address * bfd_octets_per_byte (abfd); + if (octets + bfd_get_reloc_size (howto) +- > bfd_get_section_limit_octets (abfd, input_section)) ++ > bfd_get_section_limit_octets (abfd, input_section) ++ /* Check for an overly large offset which ++ masquerades as a negative value too. */ ++ || (octets + bfd_get_reloc_size (howto) < bfd_get_reloc_size (howto))) + return bfd_reloc_outofrange; + + /* Work out which section the relocation is targeted at and the +-- +2.9.3 + |