[GIT PULL] objtool fixes

From: Ingo Molnar <mingo@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Borislav Petkov <bp@alien8.de>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: [GIT PULL] objtool fixes
Date: Sat, 15 May 2021 09:46:45 +0200	[thread overview]
Message-ID: <20210515074645.GA145878@gmail.com> (raw)

Linus,

Please pull the latest objtool/urgent git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git objtool-urgent-2021-05-15

   # HEAD: f66c05d6baf36069c01a02f869bebb75586f2318 objtool/x86: Fix elf_add_alternative() endianness

Fix a couple of endianness bugs that crept in.

 Thanks,

	Ingo

------------------>
Vasily Gorbik (2):
      objtool: Fix elf_create_undef_symbol() endianness
      objtool/x86: Fix elf_add_alternative() endianness


 tools/objtool/arch/x86/decode.c | 3 ++-
 tools/objtool/elf.c             | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c
index cedf3ede7545..24295d39713b 100644
--- a/tools/objtool/arch/x86/decode.c
+++ b/tools/objtool/arch/x86/decode.c
@@ -19,6 +19,7 @@
 #include <objtool/elf.h>
 #include <objtool/arch.h>
 #include <objtool/warn.h>
+#include <objtool/endianness.h>
 #include <arch/elf.h>
 
 static int is_x86_64(const struct elf *elf)
@@ -725,7 +726,7 @@ static int elf_add_alternative(struct elf *elf,
 		return -1;
 	}
 
-	alt->cpuid = cpuid;
+	alt->cpuid = bswap_if_needed(cpuid);
 	alt->instrlen = orig_len;
 	alt->replacementlen = repl_len;
 
diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c
index d08f5f3670f8..743c2e9d0f56 100644
--- a/tools/objtool/elf.c
+++ b/tools/objtool/elf.c
@@ -762,6 +762,7 @@ struct symbol *elf_create_undef_symbol(struct elf *elf, const char *name)
 	data->d_buf = &sym->sym;
 	data->d_size = sizeof(sym->sym);
 	data->d_align = 1;
+	data->d_type = ELF_T_SYM;
 
 	sym->idx = symtab->len / sizeof(sym->sym);
 
