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domenico
2025-06-24 14:35:53 +02:00
commit c06fb25d1f
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126
package/libs/elfutils/Makefile Normal file
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@@ -0,0 +1,126 @@
#
# Copyright (C) 2010-2019 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=elfutils
PKG_VERSION:=0.192
PKG_RELEASE:=1
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
PKG_SOURCE_URL:=https://sourceware.org/$(PKG_NAME)/ftp/$(PKG_VERSION) \
https://mirrors.kernel.org/sourceware/$(PKG_NAME)/$(PKG_VERSION)
PKG_HASH:=616099beae24aba11f9b63d86ca6cc8d566d968b802391334c91df54eab416b4
PKG_MAINTAINER:=Luiz Angelo Daros de Luca <luizluca@gmail.com>
PKG_LICENSE:=GPL-3.0-or-later
PKG_LICENSE_FILES:=COPYING COPYING-GPLV2 COPYING-LGPLV3
PKG_CPE_ID:=cpe:/a:elfutils_project:elfutils
PKG_FIXUP:=autoreconf
PKG_INSTALL:=1
PKG_BUILD_DEPENDS:=!USE_GLIBC:argp-standalone
include $(INCLUDE_DIR)/package.mk
include $(INCLUDE_DIR)/nls.mk
define Package/elfutils/Default
SECTION:=libs
CATEGORY:=Libraries
TITLE:=ELF manipulation libraries
URL:=https://fedorahosted.org/elfutils/
ABI_VERSION:=1
endef
define Package/libasm
$(call Package/elfutils/Default)
TITLE+= (libasm)
DEPENDS:=+libelf +libdw
endef
define Package/libdw
$(call Package/elfutils/Default)
DEPENDS:=+libelf +libbz2 +USE_MUSL:musl-fts
TITLE+= (libdw)
endef
define Package/libelf
$(call Package/elfutils/Default)
DEPENDS:=$(INTL_DEPENDS) +zlib
TITLE+= (libelf)
PROVIDES:=libelf1
endef
ifeq ($(CONFIG_BUILD_NLS),y)
TARGET_LDFLAGS += -lintl
else
CONFIGURE_ARGS += --disable-nls
endif
HOST_CONFIGURE_ARGS += \
--disable-shared \
--disable-nls \
--disable-debuginfod \
--disable-libdebuginfod \
--without-bzlib \
--without-lzma \
--without-zstd
CONFIGURE_ARGS += \
--program-prefix=eu- \
--disable-debuginfod \
--disable-libdebuginfod \
--without-bzlib \
--without-lzma \
--without-zstd
HOST_CONFIGURE_VARS += \
ac_cv_search__obstack_free=yes
CONFIGURE_VARS += \
ac_cv_search__obstack_free=yes
TARGET_CFLAGS += \
-D_GNU_SOURCE \
-Wno-unused-result \
-Wno-format-nonliteral
ifneq ($(CONFIG_GCC_USE_VERSION_11),y)
TARGET_CFLAGS += \
-Wno-error=use-after-free
endif
define Build/InstallDev
$(INSTALL_DIR) $(1)/usr/include
$(CP) $(PKG_INSTALL_DIR)/usr/include/* $(1)/usr/include/
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libasm*.{a,so*} $(1)/usr/lib/
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libdw*.{a,so*} $(1)/usr/lib/
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libelf*.{a,so*} $(1)/usr/lib/
$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/libelf.pc $(1)/usr/lib/pkgconfig/
$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/libdw.pc $(1)/usr/lib/pkgconfig/
endef
define Package/libasm/install
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libasm{-*.so,*.so.*} $(1)/usr/lib/
endef
define Package/libdw/install
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libdw{-*.so,*.so.*} $(1)/usr/lib/
endef
define Package/libelf/install
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libelf{-*.so,*.so.*} $(1)/usr/lib/
endef
# these lines need to be ordered by dependency because of ABI versioning
$(eval $(call BuildPackage,libelf))
$(eval $(call BuildPackage,libdw))
$(eval $(call BuildPackage,libasm))

23
package/libs/elfutils/patches/003-libintl-compatibility.patch Normal file
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@@ -0,0 +1,23 @@
--- a/config/libelf.pc.in
+++ b/config/libelf.pc.in
@@ -8,7 +8,7 @@ Description: elfutils libelf library to
Version: @VERSION@
URL: http://elfutils.org/
-Libs: -L${libdir} -lelf
+Libs: -L${libdir} -lelf @intl_LDFLAGS@
Cflags: -I${includedir}
Requires.private: zlib @LIBZSTD@
--- a/configure.ac
+++ b/configure.ac
@@ -728,6 +728,9 @@ dnl AM_GNU_GETTEXT_REQUIRE_VERSION suppo
AM_GNU_GETTEXT_VERSION([0.19.6])
AM_GNU_GETTEXT_REQUIRE_VERSION([0.19.6])
+case "$USE_NLS" in yes) intl_LDFLAGS="-lintl" ;; esac
+AC_SUBST([intl_LDFLAGS])
+
dnl Appended to the config.h file.
dnl We hide all kinds of configuration magic in lib/eu-config.h.
AH_BOTTOM([#include <eu-config.h>])

11
package/libs/elfutils/patches/005-build_only_libs.patch Normal file
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@@ -0,0 +1,11 @@
--- a/Makefile.am
+++ b/Makefile.am
@@ -27,7 +27,7 @@ AM_MAKEFLAGS = --no-print-directory
pkginclude_HEADERS = version.h
SUBDIRS = config lib libelf libcpu backends libebl libdwelf libdwfl libdw \
- libasm debuginfod src po doc tests
+ libasm
EXTRA_DIST = elfutils.spec GPG-KEY NOTES CONTRIBUTING SECURITY \
COPYING COPYING-GPLV2 COPYING-LGPLV3 CONDUCT

55
package/libs/elfutils/patches/006-Fix-build-on-aarch64-musl.patch Normal file
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@@ -0,0 +1,55 @@
From 578f370c7e7a9f056aefa062b34590b0aa13bce5 Mon Sep 17 00:00:00 2001
From: Hongxu Jia <hongxu.jia@windriver.com>
Date: Tue, 15 Aug 2017 17:27:30 +0800
Subject: [PATCH] Fix build on aarch64/musl
Errors
invalid operands to binary & (have 'long double' and 'unsigned int')
error: redefinition
of 'struct iovec'
struct iovec { void *iov_base; size_t iov_len; };
^
Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Rebase to 0.170
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
---
backends/aarch64_initreg.c | 4 ++--
backends/arm_initreg.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
--- a/backends/aarch64_initreg.c
+++ b/backends/aarch64_initreg.c
@@ -33,7 +33,7 @@
#include "system.h"
#include <assert.h>
#if defined(__aarch64__) && defined(__linux__)
-# include <linux/uio.h>
+# include <sys/uio.h>
# include <sys/user.h>
# include <sys/ptrace.h>
# include <asm/ptrace.h>
@@ -94,7 +94,7 @@ aarch64_set_initial_registers_tid (pid_t
Dwarf_Word dwarf_fregs[32];
for (int r = 0; r < 32; r++)
- dwarf_fregs[r] = fregs.vregs[r] & 0xFFFFFFFF;
+ dwarf_fregs[r] = (unsigned int)fregs.vregs[r] & 0xFFFFFFFF;
if (! setfunc (64, 32, dwarf_fregs, arg))
return false;
--- a/backends/arm_initreg.c
+++ b/backends/arm_initreg.c
@@ -38,7 +38,7 @@
#endif
#ifdef __aarch64__
-# include <linux/uio.h>
+# include <sys/uio.h>
# include <sys/user.h>
# include <sys/ptrace.h>
/* Deal with old glibc defining user_pt_regs instead of user_regs_struct. */

31
package/libs/elfutils/patches/007-add-libeu-symbols-to-libelf.patch Normal file
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@@ -0,0 +1,31 @@
From f5d6e088f84dd05278c4698a21cbf1ff4569978d Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@klomp.org>
Date: Tue, 22 Oct 2024 15:03:42 +0200
Subject: [PATCH] libelf: Add libeu objects to libelf.a static archive
libelf might use some symbols from libeu.a, specifically the eu-search
wrappers. But we don't ship libeu.a separately. So include the libeu
objects in the libelf.a archive to facilitate static linking.
* libelf/Makefile.am (libeu_objects): New variable.
(libelf_a_LIBADD): New, add libeu_objects.
https://sourceware.org/bugzilla/show_bug.cgi?id=32293
Signed-off-by: Mark Wielaard <mark@klomp.org>
---
libelf/Makefile.am | 3 +++
1 file changed, 3 insertions(+)
--- a/libelf/Makefile.am
+++ b/libelf/Makefile.am
@@ -122,6 +122,9 @@ libelf.so: $(srcdir)/libelf.map $(libelf
@$(textrel_check)
$(AM_V_at)ln -fs $@ $@.$(VERSION)
+libeu_objects = $(shell $(AR) t ../lib/libeu.a)
+libelf_a_LIBADD = $(addprefix ../lib/,$(libeu_objects))
+
install: install-am libelf.so
$(mkinstalldirs) $(DESTDIR)$(libdir)
$(INSTALL_PROGRAM) libelf.so $(DESTDIR)$(libdir)/libelf-$(PACKAGE_VERSION).so

24
package/libs/elfutils/patches/008-fix-autoconf-ENABLE_IMA_VERIFICATION.patch Normal file
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@@ -0,0 +1,24 @@
From f3c664d069d81a4872a1ec8241ee709f37c53e9c Mon Sep 17 00:00:00 2001
From: Aaron Merey <amerey@redhat.com>
Date: Tue, 29 Oct 2024 14:16:57 -0400
Subject: [PATCH] configure.ac: Fix ENABLE_IMA_VERIFICATION conditional
Fix test statement for ENABLE_IMA_VERIFICATION always evalutating to
false due to a missing 'x'.
Signed-off-by: Aaron Merey <amerey@redhat.com>
---
configure.ac | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/configure.ac
+++ b/configure.ac
@@ -895,7 +895,7 @@ AS_IF([test "x$enable_debuginfod" != "xn
AM_CONDITIONAL([DEBUGINFOD],[test "x$enable_debuginfod" = "xyes"])
AS_IF([test "x$enable_debuginfod_ima_verification" = "xyes"],AC_DEFINE([ENABLE_IMA_VERIFICATION],[1],[Build IMA verification]))
AS_IF([test "x$have_libarchive" = "xyes"],AC_DEFINE([HAVE_LIBARCHIVE],[1],[Define to 1 if libarchive is available]))
-AM_CONDITIONAL([ENABLE_IMA_VERIFICATION],[test "$enable_debuginfod_ima_verification" = "xyes"])
+AM_CONDITIONAL([ENABLE_IMA_VERIFICATION],[test "x$enable_debuginfod_ima_verification" = "xyes"])
AM_CONDITIONAL([OLD_LIBMICROHTTPD],[test "x$old_libmicrohttpd" = "xyes"])
dnl for /etc/profile.d/elfutils.{csh,sh}

193
package/libs/elfutils/patches/009-fix-null-dereference-with-lto.patch Normal file
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@@ -0,0 +1,193 @@
From 8707194a9f2f0b13e53041b03ebfdbdbd2942e43 Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@klomp.org>
Date: Tue, 5 Nov 2024 23:31:14 +0100
Subject: [PATCH 1/1] libelf: Only fetch shdr once in elf_compress[_gnu]
Some compilers assume the second call to elf[32|64]_getshdr can fail
and produce error: potential null pointer dereference. Just store the
result of the first call and reuse (when not NULL).
* libelf/elf_compress.c (elf_compress): Store getshdr result in
a shdr union var.
* libelf/elf_compress_gnu.c (): Likewise
https://sourceware.org/bugzilla/show_bug.cgi?id=32311
Signed-off-by: Mark Wielaard <mark@klomp.org>
---
libelf/elf_compress.c | 55 +++++++++++++++++++++------------------
libelf/elf_compress_gnu.c | 45 ++++++++++++++------------------
2 files changed, 48 insertions(+), 52 deletions(-)
--- a/libelf/elf_compress.c
+++ b/libelf/elf_compress.c
@@ -584,25 +584,30 @@ elf_compress (Elf_Scn *scn, int type, un
Elf64_Xword sh_flags;
Elf64_Word sh_type;
Elf64_Xword sh_addralign;
+ union shdr
+ {
+ Elf32_Shdr *s32;
+ Elf64_Shdr *s64;
+ } shdr;
if (elfclass == ELFCLASS32)
{
- Elf32_Shdr *shdr = elf32_getshdr (scn);
- if (shdr == NULL)
+ shdr.s32 = elf32_getshdr (scn);
+ if (shdr.s32 == NULL)
return -1;
- sh_flags = shdr->sh_flags;
- sh_type = shdr->sh_type;
- sh_addralign = shdr->sh_addralign;
+ sh_flags = shdr.s32->sh_flags;
+ sh_type = shdr.s32->sh_type;
+ sh_addralign = shdr.s32->sh_addralign;
}
else
{
- Elf64_Shdr *shdr = elf64_getshdr (scn);
- if (shdr == NULL)
+ shdr.s64 = elf64_getshdr (scn);
+ if (shdr.s64 == NULL)
return -1;
- sh_flags = shdr->sh_flags;
- sh_type = shdr->sh_type;
- sh_addralign = shdr->sh_addralign;
+ sh_flags = shdr.s64->sh_flags;
+ sh_type = shdr.s64->sh_type;
+ sh_addralign = shdr.s64->sh_addralign;
}
if ((sh_flags & SHF_ALLOC) != 0)
@@ -679,17 +684,17 @@ elf_compress (Elf_Scn *scn, int type, un
correctly and ignored when SHF_COMPRESSED is set. */
if (elfclass == ELFCLASS32)
{
- Elf32_Shdr *shdr = elf32_getshdr (scn);
- shdr->sh_size = new_size;
- shdr->sh_addralign = __libelf_type_align (ELFCLASS32, ELF_T_CHDR);
- shdr->sh_flags |= SHF_COMPRESSED;
+ shdr.s32->sh_size = new_size;
+ shdr.s32->sh_addralign = __libelf_type_align (ELFCLASS32,
+ ELF_T_CHDR);
+ shdr.s32->sh_flags |= SHF_COMPRESSED;
}
else
{
- Elf64_Shdr *shdr = elf64_getshdr (scn);
- shdr->sh_size = new_size;
- shdr->sh_addralign = __libelf_type_align (ELFCLASS64, ELF_T_CHDR);
- shdr->sh_flags |= SHF_COMPRESSED;
+ shdr.s64->sh_size = new_size;
+ shdr.s64->sh_addralign = __libelf_type_align (ELFCLASS64,
+ ELF_T_CHDR);
+ shdr.s64->sh_flags |= SHF_COMPRESSED;
}
__libelf_reset_rawdata (scn, out_buf, new_size, 1, ELF_T_CHDR);
@@ -731,17 +736,15 @@ elf_compress (Elf_Scn *scn, int type, un
correctly and ignored when SHF_COMPRESSED is set. */
if (elfclass == ELFCLASS32)
{
- Elf32_Shdr *shdr = elf32_getshdr (scn);
- shdr->sh_size = scn->zdata_size;
- shdr->sh_addralign = scn->zdata_align;
- shdr->sh_flags &= ~SHF_COMPRESSED;
+ shdr.s32->sh_size = scn->zdata_size;
+ shdr.s32->sh_addralign = scn->zdata_align;
+ shdr.s32->sh_flags &= ~SHF_COMPRESSED;
}
else
{
- Elf64_Shdr *shdr = elf64_getshdr (scn);
- shdr->sh_size = scn->zdata_size;
- shdr->sh_addralign = scn->zdata_align;
- shdr->sh_flags &= ~SHF_COMPRESSED;
+ shdr.s64->sh_size = scn->zdata_size;
+ shdr.s64->sh_addralign = scn->zdata_align;
+ shdr.s64->sh_flags &= ~SHF_COMPRESSED;
}
__libelf_reset_rawdata (scn, scn->zdata_base,
--- a/libelf/elf_compress_gnu.c
+++ b/libelf/elf_compress_gnu.c
@@ -59,25 +59,30 @@ elf_compress_gnu (Elf_Scn *scn, int infl
Elf64_Xword sh_flags;
Elf64_Word sh_type;
Elf64_Xword sh_addralign;
+ union shdr
+ {
+ Elf32_Shdr *s32;
+ Elf64_Shdr *s64;
+ } shdr;
if (elfclass == ELFCLASS32)
{
- Elf32_Shdr *shdr = elf32_getshdr (scn);
- if (shdr == NULL)
+ shdr.s32 = elf32_getshdr (scn);
+ if (shdr.s32 == NULL)
return -1;
- sh_flags = shdr->sh_flags;
- sh_type = shdr->sh_type;
- sh_addralign = shdr->sh_addralign;
+ sh_flags = shdr.s32->sh_flags;
+ sh_type = shdr.s32->sh_type;
+ sh_addralign = shdr.s32->sh_addralign;
}
else
{
- Elf64_Shdr *shdr = elf64_getshdr (scn);
- if (shdr == NULL)
+ shdr.s64 = elf64_getshdr (scn);
+ if (shdr.s64 == NULL)
return -1;
- sh_flags = shdr->sh_flags;
- sh_type = shdr->sh_type;
- sh_addralign = shdr->sh_addralign;
+ sh_flags = shdr.s64->sh_flags;
+ sh_type = shdr.s64->sh_type;
+ sh_addralign = shdr.s64->sh_addralign;
}
/* Allocated sections, or sections that are already are compressed
@@ -122,15 +127,9 @@ elf_compress_gnu (Elf_Scn *scn, int infl
sh_flags won't have a SHF_COMPRESSED hint in the GNU format.
Just adjust the sh_size. */
if (elfclass == ELFCLASS32)
- {
- Elf32_Shdr *shdr = elf32_getshdr (scn);
- shdr->sh_size = new_size;
- }
+ shdr.s32->sh_size = new_size;
else
- {
- Elf64_Shdr *shdr = elf64_getshdr (scn);
- shdr->sh_size = new_size;
- }
+ shdr.s64->sh_size = new_size;
__libelf_reset_rawdata (scn, out_buf, new_size, 1, ELF_T_BYTE);
@@ -187,15 +186,9 @@ elf_compress_gnu (Elf_Scn *scn, int infl
sh_flags won't have a SHF_COMPRESSED hint in the GNU format.
Just adjust the sh_size. */
if (elfclass == ELFCLASS32)
- {
- Elf32_Shdr *shdr = elf32_getshdr (scn);
- shdr->sh_size = size;
- }
+ shdr.s32->sh_size = size;
else
- {
- Elf64_Shdr *shdr = elf64_getshdr (scn);
- shdr->sh_size = size;
- }
+ shdr.s64->sh_size = size;
__libelf_reset_rawdata (scn, buf_out, size, sh_addralign,
__libelf_data_type (&ehdr, sh_type,

29
package/libs/elfutils/patches/100-musl-compat.patch Normal file
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@@ -0,0 +1,29 @@
--- a/libdw/libdw_alloc.c
+++ b/libdw/libdw_alloc.c
@@ -152,5 +152,5 @@ __attribute ((noreturn)) attribute_hidde
__libdw_oom (void)
{
while (1)
- error (EXIT_FAILURE, ENOMEM, "libdw");
+ error (EXIT_FAILURE, errno, gettext ("cannot allocate memory"));
}
--- a/libdwfl/dwfl_error.c
+++ b/libdwfl/dwfl_error.c
@@ -139,6 +139,7 @@ __libdwfl_seterrno (Dwfl_Error error)
static const char *
errnomsg(int error)
{
+#if defined(__GLIBC__) && !defined(__UCLIBC__)
/* Won't be changed by strerror_r, but not const so compiler doesn't throw warning */
static char unknown[] = "unknown error";
@@ -149,6 +150,9 @@ errnomsg(int error)
static __thread char msg[128];
return strerror_r (error, msg, sizeof (msg)) ? unknown : msg;
#endif
+#else
+ return strerror (error & 0xffff);
+#endif
}
const char *

83
package/libs/elfutils/patches/101-no-fts.patch Normal file
View File

@@ -0,0 +1,83 @@
--- a/libdwfl/argp-std.c
+++ b/libdwfl/argp-std.c
@@ -51,9 +51,6 @@ static const struct argp_option options[
{ "linux-process-map", 'M', "FILE", 0,
N_("Find addresses in files mapped as read from FILE"
" in Linux /proc/PID/maps format"), 0 },
- { "kernel", 'k', NULL, 0, N_("Find addresses in the running kernel"), 0 },
- { "offline-kernel", 'K', "RELEASE", OPTION_ARG_OPTIONAL,
- N_("Kernel with all modules"), 0 },
{ "debuginfo-path", OPT_DEBUGINFO, "PATH", 0,
N_("Search path for separate debuginfo files"), 0 },
{ NULL, 0, NULL, 0, NULL, 0 }
@@ -80,15 +77,6 @@ static const Dwfl_Callbacks proc_callbac
.find_elf = INTUSE(dwfl_linux_proc_find_elf),
};
-static const Dwfl_Callbacks kernel_callbacks =
- {
- .find_debuginfo = INTUSE(dwfl_standard_find_debuginfo),
- .debuginfo_path = &debuginfo_path,
-
- .find_elf = INTUSE(dwfl_linux_kernel_find_elf),
- .section_address = INTUSE(dwfl_linux_kernel_module_section_address),
- };
-
/* Structure held at state->HOOK. */
struct parse_opt
{
@@ -221,43 +209,6 @@ parse_opt (int key, char *arg, struct ar
}
break;
- case 'k':
- {
- struct parse_opt *opt = state->hook;
- if (opt->dwfl == NULL)
- {
- Dwfl *dwfl = INTUSE(dwfl_begin) (&kernel_callbacks);
- int result = INTUSE(dwfl_linux_kernel_report_kernel) (dwfl);
- if (result != 0)
- return fail (dwfl, result, _("cannot load kernel symbols"), state);
- result = INTUSE(dwfl_linux_kernel_report_modules) (dwfl);
- if (result != 0)
- /* Non-fatal to have no modules since we do have the kernel. */
- argp_failure (state, 0, result, _("cannot find kernel modules"));
- opt->dwfl = dwfl;
- }
- else
- goto toomany;
- }
- break;
-
- case 'K':
- {
- struct parse_opt *opt = state->hook;
- if (opt->dwfl == NULL)
- {
- Dwfl *dwfl = INTUSE(dwfl_begin) (&offline_callbacks);
- int result = INTUSE(dwfl_linux_kernel_report_offline) (dwfl, arg,
- NULL);
- if (result != 0)
- return fail (dwfl, result, _("cannot find kernel or modules"), state);
- opt->dwfl = dwfl;
- }
- else
- goto toomany;
- }
- break;
-
case ARGP_KEY_SUCCESS:
{
struct parse_opt *opt = state->hook;
--- a/libdwfl/Makefile.am
+++ b/libdwfl/Makefile.am
@@ -50,7 +50,7 @@ libdwfl_a_SOURCES = dwfl_begin.c dwfl_en
argp-std.c find-debuginfo.c \
dwfl_build_id_find_elf.c \
dwfl_build_id_find_debuginfo.c \
- linux-kernel-modules.c linux-proc-maps.c \
+ linux-proc-maps.c \
dwfl_addrmodule.c dwfl_addrdwarf.c \
cu.c dwfl_module_nextcu.c dwfl_nextcu.c dwfl_cumodule.c \
dwfl_module_addrdie.c dwfl_addrdie.c \

55
package/libs/elfutils/patches/102-fix-potential-deref-of-null-error.patch Normal file
View File

@@ -0,0 +1,55 @@
strip.c: Pointer `arhdr` created at strip.c:2741 and then dereferenced without NULL-check.
The same situation for the `arhdr` pointer at the objdump.c:313 and
the `h` pointer at the readelf.c:13545.
Triggers found by static analyzer Svace.
Signed-off-by: Maks Mishin <maks.mishinFZ@gmail.com>
---
src/objdump.c | 5 +++++
src/readelf.c | 5 +++++
src/strip.c | 5 +++++
3 files changed, 15 insertions(+)
--- a/src/objdump.c
+++ b/src/objdump.c
@@ -311,6 +311,11 @@ handle_ar (int fd, Elf *elf, const char
{
/* The the header for this element. */
Elf_Arhdr *arhdr = elf_getarhdr (subelf);
+ if (arhdr == NULL)
+ {
+ printf ("cannot get arhdr: %s\n", elf_errmsg (-1));
+ exit (1);
+ }
/* Skip over the index entries. */
if (strcmp (arhdr->ar_name, "/") != 0
--- a/src/readelf.c
+++ b/src/readelf.c
@@ -13543,6 +13543,11 @@ dump_archive_index (Elf *elf, const char
as_off, fname, elf_errmsg (-1));
const Elf_Arhdr *h = elf_getarhdr (subelf);
+ if (h == NULL)
+ {
+ printf ("cannot get arhdr: %s\n", elf_errmsg (-1));
+ exit (1);
+ }
printf (_("Archive member '%s' contains:\n"), h->ar_name);
--- a/src/strip.c
+++ b/src/strip.c
@@ -2739,6 +2739,11 @@ handle_ar (int fd, Elf *elf, const char
{
/* The the header for this element. */
Elf_Arhdr *arhdr = elf_getarhdr (subelf);
+ if (arhdr == NULL)
+ {
+ printf ("cannot get arhdr: %s\n", elf_errmsg (-1));
+ exit (1);
+ }
if (elf_kind (subelf) == ELF_K_ELF)
result |= handle_elf (fd, subelf, new_prefix, arhdr->ar_name, 0, NULL);