Treat relocs against IFUNC symbols in note sections as relocs against the FUNC symbol instead.
Relates: #1552056
This commit is contained in:
parent
d88807d21a
commit
871bf81821
107
binutils-strip-unknown-relocs.patch
Normal file
107
binutils-strip-unknown-relocs.patch
Normal file
@ -0,0 +1,107 @@
|
||||
diff -rup binutils.orig/bfd/elf32-i386.c binutils-2.30/bfd/elf32-i386.c
|
||||
--- binutils.orig/bfd/elf32-i386.c 2018-02-27 17:25:53.961140597 +0000
|
||||
+++ binutils-2.30/bfd/elf32-i386.c 2018-02-27 17:27:14.115133477 +0000
|
||||
@@ -383,7 +383,7 @@ elf_i386_rtype_to_howto (bfd *abfd, unsi
|
||||
/* xgettext:c-format */
|
||||
_bfd_error_handler (_("%B: invalid relocation type %d"),
|
||||
abfd, (int) r_type);
|
||||
- indx = R_386_NONE;
|
||||
+ return NULL;
|
||||
}
|
||||
/* PR 17512: file: 0f67f69d. */
|
||||
if (elf_howto_table [indx].type != r_type)
|
||||
diff -rup binutils.orig/bfd/elf64-ppc.c binutils-2.30/bfd/elf64-ppc.c
|
||||
--- binutils.orig/bfd/elf64-ppc.c 2018-02-27 17:25:53.969140496 +0000
|
||||
+++ binutils-2.30/bfd/elf64-ppc.c 2018-02-27 17:27:56.213604518 +0000
|
||||
@@ -2516,9 +2516,10 @@ ppc64_elf_info_to_howto (bfd *abfd, arel
|
||||
/* xgettext:c-format */
|
||||
_bfd_error_handler (_("%B: invalid relocation type %d"),
|
||||
abfd, (int) type);
|
||||
- type = R_PPC64_NONE;
|
||||
+ cache_ptr->howto = NULL;
|
||||
}
|
||||
- cache_ptr->howto = ppc64_elf_howto_table[type];
|
||||
+ else
|
||||
+ cache_ptr->howto = ppc64_elf_howto_table[type];
|
||||
}
|
||||
|
||||
/* Handle the R_PPC64_ADDR16_HA and similar relocs. */
|
||||
diff -rup binutils.orig/bfd/elf64-s390.c binutils-2.30/bfd/elf64-s390.c
|
||||
--- binutils.orig/bfd/elf64-s390.c 2018-02-27 17:25:53.968140509 +0000
|
||||
+++ binutils-2.30/bfd/elf64-s390.c 2018-02-27 17:28:24.632247443 +0000
|
||||
@@ -372,9 +372,10 @@ elf_s390_info_to_howto (bfd *abfd ATTRIB
|
||||
/* xgettext:c-format */
|
||||
_bfd_error_handler (_("%B: invalid relocation type %d"),
|
||||
abfd, (int) r_type);
|
||||
- r_type = R_390_NONE;
|
||||
+ cache_ptr->howto = NULL;
|
||||
}
|
||||
- cache_ptr->howto = &elf_howto_table[r_type];
|
||||
+ else
|
||||
+ cache_ptr->howto = &elf_howto_table[r_type];
|
||||
}
|
||||
}
|
||||
|
||||
diff -rup binutils.orig/bfd/elf64-x86-64.c binutils-2.30/bfd/elf64-x86-64.c
|
||||
--- binutils.orig/bfd/elf64-x86-64.c 2018-02-27 17:25:53.964140559 +0000
|
||||
+++ binutils-2.30/bfd/elf64-x86-64.c 2018-02-27 17:29:12.554645307 +0000
|
||||
@@ -284,7 +284,7 @@ elf_x86_64_rtype_to_howto (bfd *abfd, un
|
||||
/* xgettext:c-format */
|
||||
_bfd_error_handler (_("%B: invalid relocation type %d"),
|
||||
abfd, (int) r_type);
|
||||
- r_type = R_X86_64_NONE;
|
||||
+ return NULL;
|
||||
}
|
||||
i = r_type;
|
||||
}
|
||||
@@ -347,8 +347,6 @@ elf_x86_64_info_to_howto (bfd *abfd ATTR
|
||||
&& r_type != (unsigned int) R_X86_64_GNU_VTENTRY)
|
||||
r_type &= ~R_X86_64_converted_reloc_bit;
|
||||
cache_ptr->howto = elf_x86_64_rtype_to_howto (abfd, r_type);
|
||||
-
|
||||
- BFD_ASSERT (r_type == cache_ptr->howto->type || cache_ptr->howto->type == R_X86_64_NONE);
|
||||
}
|
||||
|
||||
/* Support for core dump NOTE sections. */
|
||||
diff -rup binutils.orig/bfd/elfcode.h binutils-2.30/bfd/elfcode.h
|
||||
--- binutils.orig/bfd/elfcode.h 2018-02-27 17:25:53.964140559 +0000
|
||||
+++ binutils-2.30/bfd/elfcode.h 2018-02-27 17:26:57.234345581 +0000
|
||||
@@ -1474,6 +1474,12 @@ elf_slurp_reloc_table_from_section (bfd
|
||||
(*ebd->elf_info_to_howto) (abfd, relent, &rela);
|
||||
else
|
||||
(*ebd->elf_info_to_howto_rel) (abfd, relent, &rela);
|
||||
+
|
||||
+ if (relent->howto == NULL)
|
||||
+ {
|
||||
+ bfd_set_error (bfd_error_bad_value);
|
||||
+ goto error_return;
|
||||
+ }
|
||||
}
|
||||
|
||||
if (allocated != NULL)
|
||||
diff -rup binutils.orig/binutils/objcopy.c binutils-2.30/binutils/objcopy.c
|
||||
--- binutils.orig/binutils/objcopy.c 2018-02-27 17:25:53.185150347 +0000
|
||||
+++ binutils-2.30/binutils/objcopy.c 2018-02-27 17:30:05.806976202 +0000
|
||||
@@ -3022,10 +3022,19 @@ copy_object (bfd *ibfd, bfd *obfd, const
|
||||
haven't been set yet. mark_symbols_used_in_relocations will
|
||||
ignore input sections which have no corresponding output
|
||||
section. */
|
||||
+ bfd_set_error (bfd_error_no_error);
|
||||
if (strip_symbols != STRIP_ALL)
|
||||
- bfd_map_over_sections (ibfd,
|
||||
- mark_symbols_used_in_relocations,
|
||||
- isympp);
|
||||
+ {
|
||||
+ bfd_map_over_sections (ibfd,
|
||||
+ mark_symbols_used_in_relocations,
|
||||
+ isympp);
|
||||
+ if (bfd_get_error () != bfd_error_no_error)
|
||||
+ {
|
||||
+ status = 1;
|
||||
+ return FALSE;
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
osympp = (asymbol **) xmalloc ((symcount + add_symbols + 1) * sizeof (asymbol *));
|
||||
symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount);
|
||||
}
|
64
binutils-x86_64-ifunc-relocs-in-notes.patch
Normal file
64
binutils-x86_64-ifunc-relocs-in-notes.patch
Normal file
@ -0,0 +1,64 @@
|
||||
diff -rup binutils.orig/bfd/elf32-i386.c binutils-2.30/bfd/elf32-i386.c
|
||||
--- binutils.orig/bfd/elf32-i386.c 2018-03-07 14:17:57.645689834 +0000
|
||||
+++ binutils-2.30/bfd/elf32-i386.c 2018-03-07 14:22:39.987385632 +0000
|
||||
@@ -2202,12 +2202,19 @@ elf_i386_relocate_section (bfd *output_b
|
||||
|
||||
if ((input_section->flags & SEC_ALLOC) == 0)
|
||||
{
|
||||
+ /* If this is a SHT_NOTE section without SHF_ALLOC, treat
|
||||
+ STT_GNU_IFUNC symbol as STT_FUNC. */
|
||||
+ if (elf_section_type (input_section) == SHT_NOTE)
|
||||
+ goto skip_ifunc;
|
||||
/* Dynamic relocs are not propagated for SEC_DEBUGGING
|
||||
sections because such sections are not SEC_ALLOC and
|
||||
thus ld.so will not process them. */
|
||||
if ((input_section->flags & SEC_DEBUGGING) != 0)
|
||||
continue;
|
||||
- abort ();
|
||||
+ _bfd_error_handler (_("%B: error: relocation againt ifunc symbol in non-alloc section %A"),
|
||||
+ input_bfd, input_section);
|
||||
+ bfd_set_error (bfd_error_invalid_operation);
|
||||
+ return FALSE;
|
||||
}
|
||||
|
||||
/* STT_GNU_IFUNC symbol must go through PLT. */
|
||||
@@ -2421,6 +2428,7 @@ do_ifunc_pointer:
|
||||
}
|
||||
}
|
||||
|
||||
+ skip_ifunc:
|
||||
resolved_to_zero = (eh != NULL
|
||||
&& UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
|
||||
|
||||
diff -rup binutils.orig/bfd/elf64-x86-64.c binutils-2.30/bfd/elf64-x86-64.c
|
||||
--- binutils.orig/bfd/elf64-x86-64.c 2018-03-07 14:17:57.691689296 +0000
|
||||
+++ binutils-2.30/bfd/elf64-x86-64.c 2018-03-07 14:22:33.907456784 +0000
|
||||
@@ -2499,12 +2499,19 @@ elf_x86_64_relocate_section (bfd *output
|
||||
|
||||
if ((input_section->flags & SEC_ALLOC) == 0)
|
||||
{
|
||||
+ /* If this is a SHT_NOTE section without SHF_ALLOC, treat
|
||||
+ STT_GNU_IFUNC symbol as STT_FUNC. */
|
||||
+ if (elf_section_type (input_section) == SHT_NOTE)
|
||||
+ goto skip_ifunc;
|
||||
/* Dynamic relocs are not propagated for SEC_DEBUGGING
|
||||
sections because such sections are not SEC_ALLOC and
|
||||
thus ld.so will not process them. */
|
||||
if ((input_section->flags & SEC_DEBUGGING) != 0)
|
||||
continue;
|
||||
- abort ();
|
||||
+ _bfd_error_handler (_("%B: error: relocation againt ifunc symbol in non-alloc section %A"),
|
||||
+ input_bfd, input_section);
|
||||
+ bfd_set_error (bfd_error_invalid_operation);
|
||||
+ return FALSE;
|
||||
}
|
||||
|
||||
switch (r_type)
|
||||
@@ -2722,6 +2729,7 @@ do_ifunc_pointer:
|
||||
}
|
||||
}
|
||||
|
||||
+ skip_ifunc:
|
||||
resolved_to_zero = (eh != NULL
|
||||
&& UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
|
||||
|
@ -62,7 +62,7 @@
|
||||
Summary: A GNU collection of binary utilities
|
||||
Name: %{?cross}binutils%{?_with_debug:-debug}
|
||||
Version: 2.30
|
||||
Release: 8%{?dist}
|
||||
Release: 10%{?dist}
|
||||
License: GPLv3+
|
||||
Group: Development/Tools
|
||||
URL: https://sourceware.org/binutils
|
||||
@ -159,20 +159,30 @@ Patch11: binutils-skip-dwo-search-if-not-needed.patch
|
||||
# Lifetime: Fixed in 2.30.1 and/or 2.31.
|
||||
Patch12: binutils-page-to-segment-assignment.patch
|
||||
|
||||
# Purpose: Fix a bug in ld for linking against AARCH64 UEFI
|
||||
# Purpose: Fix a bug in ld for linking against AARCH64 UEFI
|
||||
# Lifetime: Fixed in 2.30.1 and/or 2.31
|
||||
Patch13: binutils-2.30-allow_R_AARCH64-symbols.patch
|
||||
|
||||
# Purpose: Stop strip from replacing unknown relocs with null relocs. Make
|
||||
# it return an error status and not strip the file instead.
|
||||
# Lifetime: Fixed in 2.31.
|
||||
Patch14: binutils-strip-unknown-relocs.patch
|
||||
|
||||
# Purpose: Improves objdump's function for locating a symbol to match a
|
||||
# given address, so that it uses a binary chop algorithm.
|
||||
# Lifetime: Fixed in 2.31.
|
||||
Patch14: binutils-speed-up-objdump.patch
|
||||
Patch15: binutils-speed-up-objdump.patch
|
||||
|
||||
# Purpose: Ignore duplicate indirect symbols generated by GOLD.
|
||||
# Lifetime: Permanent.
|
||||
# FIXME: This problem needs to be resolved in the FSF sources, but the
|
||||
# GOLD maintainers seem to be reluctant to address the issue.
|
||||
Patch15: binutils-2.28-ignore-gold-duplicates.patch
|
||||
Patch16: binutils-2.28-ignore-gold-duplicates.patch
|
||||
|
||||
# Purpose: Treat relosc against STT_GNU_IFUNC symbols in note sections as
|
||||
# if they were relocs against STT_FUNC symbols instead.
|
||||
# Lifetime: Fixed in 2.31.
|
||||
Patch17: binutils-x86_64-ifunc-relocs-in-notes.patch
|
||||
|
||||
#----------------------------------------------------------------------------
|
||||
|
||||
@ -314,6 +324,8 @@ using libelf instead of BFD.
|
||||
%patch13 -p1
|
||||
%patch14 -p1
|
||||
%patch15 -p1
|
||||
%patch16 -p1
|
||||
%patch17 -p1
|
||||
|
||||
# We cannot run autotools as there is an exact requirement of autoconf-2.59.
|
||||
|
||||
@ -722,6 +734,12 @@ exit 0
|
||||
|
||||
#----------------------------------------------------------------------------
|
||||
%changelog
|
||||
* Wed Mar 07 2018 Nick Clifton <nickc@redhat.com> 2.30-10
|
||||
- Treat relocs against IFUNC symbols in note sections as relocs against the FUNC symbol instead. (#1552056)
|
||||
|
||||
* Wed Mar 07 2018 Nick Clifton <nickc@redhat.com> 2.30-9
|
||||
- Stop strip from replacing unknown relocs with null relocs. (#1545386)
|
||||
|
||||
* Wed Mar 07 2018 Nick Clifton <nickc@redhat.com> 2.30-8
|
||||
- Ignore duplicate symbols generated by GOLD. (#1458003)
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user