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Backport binutils/29969 "Fix an illegal memory access when parsing..."

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Resolves: rhbz#2153228
This commit is contained in:
Keith Seitz 2023-04-27 13:26:12 -07:00
parent 86ee11836e
commit 9c34980768
5 changed files with 38 additions and 2 deletions
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4
_gdb.spec.Patch.include
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@ -284,3 +284,7 @@ Patch067: gdb-gcc-13-backport-self-move-diagnostic-fix
# (Simon Marchi, backtrace/29374)
Patch068: gdb-backport-call-check_typedef-at-beginning-of-dwarf_expr_context.patch
# Backport "Fix an illegal memory access when parsing..."
# (Nick Clifton, RHBZ 2153228)
Patch069: gdb-rhbz2153228-fail-if-sh_info-is-zero.patch

1
_gdb.spec.patch.include
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@ -66,3 +66,4 @@
%patch066 -p1
%patch067 -p1
%patch068 -p1
%patch069 -p1

3
_patch_order
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@ -65,4 +65,5 @@ gdb-rhbz2143992-libiberty-fix-c89isms-in-configure.patch
gdb-rhbz2152431-label-symbol-value.patch
gdb-backport-python-config-replace-deprecated-distutils.patch
gdb-gcc-13-backport-self-move-diagnostic-fix
gdb-backport-call-check_typedef-at-beginning-of-dwarf_expr_context.patch
gdb-backport-call-check_typedef-at-beginning-of-dwarf_expr_context.patch
gdb-rhbz2153228-fail-if-sh_info-is-zero.patch

26
gdb-rhbz2153228-fail-if-sh_info-is-zero.patch Normal file
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@ -0,0 +1,26 @@
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Wed, 19 Oct 2022 15:09:12 +0100
Subject: gdb-rhbz2153228-fail-if-sh_info-is-zero.patch
;; Backport "Fix an illegal memory access when parsing..."
;; (Nick Clifton, RHBZ 2153228)
PR 29699
* elf.c (_bfd_elf_slurp_version_tables): Fail if the sh_info field
of the section header is zero.
diff --git a/bfd/elf.c b/bfd/elf.c
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -8832,7 +8832,9 @@ _bfd_elf_slurp_version_tables (bfd *abfd, bool default_imported_symver)
bfd_set_error (bfd_error_file_too_big);
goto error_return_verref;
}
- elf_tdata (abfd)->verref = (Elf_Internal_Verneed *) bfd_alloc (abfd, amt);
+ if (amt == 0)
+ goto error_return_verref;
+ elf_tdata (abfd)->verref = (Elf_Internal_Verneed *) bfd_zalloc (abfd, amt);
if (elf_tdata (abfd)->verref == NULL)
goto error_return_verref;

6
gdb.spec
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@ -69,7 +69,7 @@ Version: 12.1
# The release always contains a leading reserved number, start it at 1.
# `upstream' is not a part of `name' to stay fully rpm dependencies compatible for the testing.
Release: 1%{?dist}
Release: 2%{?dist}
License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ and GPLv2+ with exceptions and GPL+ and LGPLv2+ and LGPLv3+ and BSD and Public Domain and GFDL
# Do not provide URL for snapshots as the file lasts there only for 2 days.
@ -1201,6 +1201,10 @@ fi
%endif
%changelog
* Thu Apr 27 2023 Keith Seitz <keiths@redhat.com> - 12.1-2.el9
- Backport binutls/29699 "Fix an illegal memory access when parsing..."
(Nick Clifton, RHBZ 2153228)
* Tue Apr 18 2023 Keith Seitz <keiths@redhat.com> - 12.1-1.el9
- Initial import for GTS13.