From 6cc71b820cc70b63711e9d7f584550b56e172b0a Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Thu, 14 Mar 2019 16:03:07 +0000 Subject: [PATCH] Fix an illegal memory access when parsing a corrupt ELF file. PR 24333 * elflink.c (_bfd_elf_add_default_symbol): Add a check for a NULL section owner pointer when adding the default symbol. --- bfd/ChangeLog | 6 ++++++ bfd/elflink.c | 1 + 2 files changed, 7 insertions(+) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 447eb70..7ed3929 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,5 +1,11 @@ 2019-03-14 Nick Clifton + PR 24333 + * elflink.c (_bfd_elf_add_default_symbol): Add a check for a NULL + section owner pointer when adding the default symbol. + +2019-03-14 Nick Clifton + PR 24332 * elflink.c (elf_link_add_object_symbols): Add new local variable extversym_end. Initialise it to point to the end of the version diff --git a/bfd/elflink.c b/bfd/elflink.c index 3ac58da..3413726 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -1941,6 +1941,7 @@ _bfd_elf_add_default_symbol (bfd *abfd, { bh = &hi->root; if (bh->type == bfd_link_hash_defined + && bh->u.def.section->owner != NULL && (bh->u.def.section->owner->flags & BFD_PLUGIN) != 0) { /* Mark the previous definition from IR object as -- 2.7.4