linux-kernel - [tip: objtool/urgent] objtool: Fix failure when being compiled on x32 system

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Message-ID: <176113973808.2601451.324362965396577323.tip-bot2@tip-bot2>
Date: Wed, 22 Oct 2025 13:28:58 -0000
From: "tip-bot2 for Mikulas Patocka" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Mikulas Patocka <mpatocka@...hat.com>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>,
 Ard Biesheuvel <ardb@...nel.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject:
 [tip: objtool/urgent] objtool: Fix failure when being compiled on x32 system

The following commit has been merged into the objtool/urgent branch of tip:

Commit-ID:     49c98f30f4021b560676a336f8a46a4f642eee2b
Gitweb:        https://git.kernel.org/tip/49c98f30f4021b560676a336f8a46a4f642eee2b
Author:        Mikulas Patocka <mpatocka@...hat.com>
AuthorDate:    Mon, 20 Oct 2025 14:23:58 +02:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Wed, 22 Oct 2025 15:21:55 +02:00

objtool: Fix failure when being compiled on x32 system

Fix compilation failure when compiling the kernel with the x32 toolchain.

In file included from check.c:16:
check.c: In function ¡check_abs_references¢:
/usr/src/git/linux-2.6/tools/objtool/include/objtool/warn.h:47:17: error: format ¡%lx¢ expects argument of type ¡long unsigned int¢, but argument 7 has type ¡u64¢ {aka ¡long
long unsigned int¢} [-Werror=format=]
   47 |                 "%s%s%s: objtool" extra ": " format "\n",               \
      |                 ^~~~~~~~~~~~~~~~~
/usr/src/git/linux-2.6/tools/objtool/include/objtool/warn.h:54:9: note: in expansion of macro ¡___WARN¢
   54 |         ___WARN(severity, "", format, ##__VA_ARGS__)
      |         ^~~~~~~
/usr/src/git/linux-2.6/tools/objtool/include/objtool/warn.h:74:27: note: in expansion of macro ¡__WARN¢
   74 | #define WARN(format, ...) __WARN(WARN_STR, format, ##__VA_ARGS__)
      |                           ^~~~~~
check.c:4713:33: note: in expansion of macro ¡WARN¢
 4713 |                                 WARN("section %s has absolute relocation at offset 0x%lx",
      |                                 ^~~~

Fixes: 0d6e4563fc03 ("objtool: Add action to check for absence of absolute relocations")
Signed-off-by: Mikulas Patocka <mpatocka@...hat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Acked-by: Ard Biesheuvel <ardb@...nel.org>
Link: https://patch.msgid.link/1ac32fff-2e67-5155-f570-69aad5bf5412@redhat.com
---
 tools/objtool/check.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 3c7ab91..620854f 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -4711,8 +4711,8 @@ static int check_abs_references(struct objtool_file *file)
 
 		for_each_reloc(sec->rsec, reloc) {
 			if (arch_absolute_reloc(file->elf, reloc)) {
-				WARN("section %s has absolute relocation at offset 0x%lx",
-				     sec->name, reloc_offset(reloc));
+				WARN("section %s has absolute relocation at offset 0x%llx",
+				     sec->name, (unsigned long long)reloc_offset(reloc));
 				ret++;
 			}
 		}