linux-kernel - [Regression in 6.19-rc6] Build breakage after commit 436326bc525d

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Message-ID: <CAJZ5v0gkhSxWZ9wTY+2AGDCtZgSKmOwpg7Np9OVDMJptqnntUQ@mail.gmail.com>
Date: Mon, 19 Jan 2026 21:19:31 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Sasha Levin <sashal@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>, "the arch/x86 maintainers" <x86@...nel.org>, 
	Linus Torvalds <torvalds@...ux-foundation.org>, 
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, 
	Linux regressions mailing list <regressions@...ts.linux.dev>
Subject: [Regression in 6.19-rc6] Build breakage after commit 436326bc525d

Hi Sasha,

Commit 436326bc525d ("objtool: fix build failure due to missing
libopcodes check") breaks kernel build for me.

Here's what I get when I try to build the kernel after that commit:

  LD      /scratch/rafael/work/build/xps13/tools/objtool/objtool-in.o
  LINK    /scratch/rafael/work/build/xps13/tools/objtool/objtool
/usr/lib64/gcc/x86_64-suse-linux/15/../../../../x86_64-suse-linux/bin/ld:
/usr/lib64/gcc/x86_64-suse-linux/15/../../../../lib64/libopcodes.a(aarch64-dis.o):
in function `print_operands':
/home/abuild/rpmbuild/BUILD/binutils-2.45/build-dir/opcodes/../../opcodes/aarch64-dis.c:3945:(.text+0x6317):
undefined reference to `xmalloc'
/usr/lib64/gcc/x86_64-suse-linux/15/../../../../x86_64-suse-linux/bin/ld:
/home/abuild/rpmbuild/BUILD/binutils-2.45/build-dir/opcodes/../../opcodes/aarch64-dis.c:3992:(.text+0x6723):
undefined reference to `_sch_istable'
/usr/lib64/gcc/x86_64-suse-linux/15/../../../../x86_64-suse-linux/bin/ld:
/usr/lib64/gcc/x86_64-suse-linux/15/../../../../lib64/libopcodes.a(aarch64-dis.o):
in function `print_insn_aarch64':
/home/abuild/rpmbuild/BUILD/binutils-2.45/build-dir/opcodes/../../opcodes/aarch64-dis.c:4559:(.text+0x6b1e):
undefined reference to `bfd_get_bits'
/usr/lib64/gcc/x86_64-suse-linux/15/../../../../x86_64-suse-linux/bin/ld:
/usr/lib64/gcc/x86_64-suse-linux/15/../../../../lib64/libopcodes.a(aarch64-dis.o):
in function `parse_aarch64_dis_option':
/home/abuild/rpmbuild/BUILD/binutils-2.45/build-dir/opcodes/../../opcodes/aarch64-dis.c:103:(.text+0x6dea):
undefined reference to `_bfd_error_handler'
/usr/lib64/gcc/x86_64-suse-linux/15/../../../../x86_64-suse-linux/bin/ld:
/usr/lib64/gcc/x86_64-suse-linux/15/../../../../lib64/libopcodes.a(aarch64-opc.o):
in function `init_insn_sequence':
/home/abuild/rpmbuild/BUILD/binutils-2.45/build-dir/opcodes/../../opcodes/aarch64-opc.c:5561:(.text+0x5c06):
undefined reference to `xcalloc'
/usr/lib64/gcc/x86_64-suse-linux/15/../../../../x86_64-suse-linux/bin/ld:
/usr/lib64/gcc/x86_64-suse-linux/15/../../../../lib64/libopcodes.a(disassemble.o):
in function `remove_whitespace_and_extra_commas':
/home/abuild/rpmbuild/BUILD/binutils-2.45/build-dir/opcodes/../../opcodes/disassemble.c:801:(.text+0x346):
undefined reference to `_sch_istable'
...

(many more similar messages skipped).

Reverting commit 436326bc525d makes the problem go away.

BR, Rafael