diff options
Diffstat (limited to 'sys-devel/binutils/files/binutils-2.34-riscv-SEGV.patch')
| -rw-r--r-- | sys-devel/binutils/files/binutils-2.34-riscv-SEGV.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sys-devel/binutils/files/binutils-2.34-riscv-SEGV.patch b/sys-devel/binutils/files/binutils-2.34-riscv-SEGV.patch new file mode 100644 index 000000000000..ac70e504918c --- /dev/null +++ b/sys-devel/binutils/files/binutils-2.34-riscv-SEGV.patch @@ -0,0 +1,40 @@ +https://sourceware.org/PR25900 +https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=a2714d6cca1f1c7695f8dc84b49a4a51d1db86c8 + +From a2714d6cca1f1c7695f8dc84b49a4a51d1db86c8 Mon Sep 17 00:00:00 2001 +From: Alan Modra <amodra@gmail.com> +Date: Fri, 1 May 2020 15:32:00 +0930 +Subject: [PATCH] PR25900, RISC-V: null pointer dereference + + PR 25900 + * elfnn-riscv.c (_bfd_riscv_relax_section): Check root.type before + accessing root.u.def of symbols. Also check root.u.def.section + is non-NULL. Reverse tests so as to make the logic positive. + +--- a/bfd/elfnn-riscv.c ++++ b/bfd/elfnn-riscv.c +@@ -4161,15 +4161,16 @@ _bfd_riscv_relax_section (bfd *abfd, asection *sec, + symval = 0; + sym_sec = bfd_und_section_ptr; + } +- else if (h->root.u.def.section->output_section == NULL +- || (h->root.type != bfd_link_hash_defined +- && h->root.type != bfd_link_hash_defweak)) +- continue; +- else ++ else if ((h->root.type == bfd_link_hash_defined ++ || h->root.type == bfd_link_hash_defweak) ++ && h->root.u.def.section != NULL ++ && h->root.u.def.section->output_section != NULL) + { + symval = h->root.u.def.value; + sym_sec = h->root.u.def.section; + } ++ else ++ continue; + + if (h->type != STT_FUNC) + reserve_size = +-- +2.18.2 + |