From 55e61b8ad977cba772753c8dbba5c81f6b1fa54c Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Wed, 26 Aug 2020 18:22:07 +0930 Subject: PR26475 UBSAN: elfxx-mips.c:12180 null pointer memset Another memset(0,0,0) PR 26475 * elfxx-mips.c (_bfd_mips_elf_finish_dynamic_sections): Check sstubs->contents != NULL. --- bfd/ChangeLog | 6 ++++++ bfd/elfxx-mips.c | 3 ++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 20a02d9..3a85c3e 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,5 +1,11 @@ 2020-08-26 Alan Modra + PR 26475 + * elfxx-mips.c (_bfd_mips_elf_finish_dynamic_sections): Check + sstubs->contents != NULL. + +2020-08-26 Alan Modra + PR 26453 * som.c (som_prep_for_fixups): Return early when no symbols. diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c index fda653e..bc08435 100644 --- a/bfd/elfxx-mips.c +++ b/bfd/elfxx-mips.c @@ -12172,7 +12172,8 @@ _bfd_mips_elf_finish_dynamic_sections (bfd *output_bfd, s->contents)); /* Clean up a dummy stub function entry in .text. */ - if (htab->sstubs != NULL) + if (htab->sstubs != NULL + && htab->sstubs->contents != NULL) { file_ptr dummy_offset; -- cgit v1.1