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On aarch64 musl gcc 14.x compiler, trying compiling elfutils 0.192 with
lto option enabled will cause null-dereference error.
Example error message:
...
elf_compress.c: In function 'elf_compress':
elf_compress.c:675:26: error: potential null pointer dereference [-Werror=null-dereference]
675 | shdr->sh_flags |= SHF_COMPRESSED;
| ^
elf_compress_gnu.c: In function 'elf_compress_gnu':
elf_compress_gnu.c:127:25: error: potential null pointer dereference [-Werror=null-dereference]
127 | shdr->sh_size = new_size;
| ^ ^
...
This is a false postive warning but will abort compilation if gcc has
`-Werror` flag. This commit add a patch for this, see the bugzilla
report below.
This commit backports a series of patches to fix some errors.
Add patch:
- 007-add-libeu-symbols-to-libelf.patch
- 008-fix-autoconf-ENABLE_IMA_VERIFICATION.patch
- 009-fix-null-dereference-with-lto.patch
Link: https://sourceware.org/bugzilla/show_bug.cgi?id=32311
Signed-off-by: Ryan Keane <the.ra2.ifv@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16886
Signed-off-by: Robert Marko <robimarko@gmail.com>
25 lines
1.1 KiB
Diff
25 lines
1.1 KiB
Diff
From f3c664d069d81a4872a1ec8241ee709f37c53e9c Mon Sep 17 00:00:00 2001
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From: Aaron Merey <amerey@redhat.com>
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Date: Tue, 29 Oct 2024 14:16:57 -0400
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Subject: [PATCH] configure.ac: Fix ENABLE_IMA_VERIFICATION conditional
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Fix test statement for ENABLE_IMA_VERIFICATION always evalutating to
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false due to a missing 'x'.
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Signed-off-by: Aaron Merey <amerey@redhat.com>
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---
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configure.ac | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/configure.ac
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+++ b/configure.ac
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@@ -895,7 +895,7 @@ AS_IF([test "x$enable_debuginfod" != "xn
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AM_CONDITIONAL([DEBUGINFOD],[test "x$enable_debuginfod" = "xyes"])
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AS_IF([test "x$enable_debuginfod_ima_verification" = "xyes"],AC_DEFINE([ENABLE_IMA_VERIFICATION],[1],[Build IMA verification]))
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AS_IF([test "x$have_libarchive" = "xyes"],AC_DEFINE([HAVE_LIBARCHIVE],[1],[Define to 1 if libarchive is available]))
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-AM_CONDITIONAL([ENABLE_IMA_VERIFICATION],[test "$enable_debuginfod_ima_verification" = "xyes"])
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+AM_CONDITIONAL([ENABLE_IMA_VERIFICATION],[test "x$enable_debuginfod_ima_verification" = "xyes"])
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AM_CONDITIONAL([OLD_LIBMICROHTTPD],[test "x$old_libmicrohttpd" = "xyes"])
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dnl for /etc/profile.d/elfutils.{csh,sh}
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