From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3C1843A6413; Wed, 13 May 2026 03:34:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778643283; cv=none; b=Q38VxEUR5mm0yS6HawlVWig40WkKiZ6dqtLRqrhZUfcVatAYuWCWgvvKydJ7E2cdIKXg1Wf57Aq3cCZldUaAxAihoJAaSB4Ily69LyjEWSydQtT9Y+QoQ446gb22vnoakLiwB6ShzicMdOJYXlyJ8YlQ4joDdHViD0JC2lg+Mkc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778643283; c=relaxed/simple; bh=+/sFHocRcUihmUH6/AgqXb/DZFT8Oa4f5kM+W19rLY8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fUQfyV9vgTrHD2uhFA18caoXhFawieGVOKs4AteD54Ezonddub4wRcv9YWgHLmO4xQ/r06OodoYRRSmo9TQ2eIC7N4pvOU0lOjAtG97wXJEpYw4RTz3mLu8XUeeF/NDY0IJyLT55oA5gpm3QT6ZuA4ZiwLb9X7DjcdN+N+ANVjE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KnB1C68t; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KnB1C68t" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D8234C2BCFB; Wed, 13 May 2026 03:34:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778643280; bh=+/sFHocRcUihmUH6/AgqXb/DZFT8Oa4f5kM+W19rLY8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KnB1C68tGrQ+hg40bSzILDRUj87xYxnqRY9/BJQhZg67HOujbCZsCfElQ0oEInBTU 7tv8z+bAbnURxLtVLeojl9BGOy9qkqaLXsDZOtgO36wyn9iYQCvWHzCASnC14oQHX1 i/M4WTGGdXN3aQ8s+O/Tzs/BsxlE67LVTTOQD+RlxQCTW3kCA5vvBXMwS3BpjNpy/s OP9hTFojt1p8wBP1lKsoY8lmqu6OIiyUwLTUYxOa2+D8EDeCSp5l6qYAwmdlT9bDS9 MZ5e8uRti/DPMjq1lu8C8aXp3b0uVbxAOor3Ya4kChgc9DZbQA58zPO3eCsbgJaEgo gewvx101BQYYw== From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, Peter Zijlstra , Joe Lawrence , Song Liu , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, Mark Rutland , Miroslav Benes , Petr Mladek Subject: [PATCH v3 16/21] objtool/klp: Filter arm64 mapping symbols in find_symbol_by_offset() Date: Tue, 12 May 2026 20:33:50 -0700 Message-ID: <236050080db7b2462fdb13a03ed48a8efb2415a4.1778642120.git.jpoimboe@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ARM64 ELF objects contain $d/$x mapping symbols (STT_NOTYPE) at offset 0 in data/text sections. These aren't "real" symbols so filter them from find_symbol_by_offset(), consistent with the existing section symbol filter. Signed-off-by: Josh Poimboeuf --- tools/objtool/elf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c index 9d5a926934dc2..a4d9afa3a079c 100644 --- a/tools/objtool/elf.c +++ b/tools/objtool/elf.c @@ -159,7 +159,7 @@ struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset) struct symbol *sym; __sym_for_each(sym, tree, offset, offset) { - if (sym->offset == offset && !is_sec_sym(sym)) + if (sym->offset == offset && !is_sec_sym(sym) && !is_mapping_sym(sym)) return sym->alias; } -- 2.53.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 790A63AFB03; Wed, 13 May 2026 03:34:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778643296; cv=none; b=nta2XUdr8PkQpPARI+7GpDmNW7ZMyaDowpj/3kQxxmT9sZZZwizSdYxqffG/nH9iq68B7DUjyqaLYfHMWko6FK73h6iOsVVlR9SIiDy3gs6TZwlW2eg1TwUjVg/3/3rrrtKapu0H7O3EPuCwIkMK6hCT+eElOr+4X9sCOwTqLt4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778643296; c=relaxed/simple; bh=+/sFHocRcUihmUH6/AgqXb/DZFT8Oa4f5kM+W19rLY8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ilm2M6f6BIxyxYz0uLeLomGnQu7Q5symcWXxcoCfCKo5p7MljTNHZkwuhgEZQGRruTySDBss/F0iqd/jcnPEDd+vCZTeyk2oWJnmNA2ie7fvA2l9zFpz+kVOzx7OVNstpQPgsKJUXyU4MEr3KH5Ca18mjBugJiYHZroBXJzCbkM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Y1MLuE8k; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Y1MLuE8k" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2DA6FC32786; Wed, 13 May 2026 03:34:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778643295; bh=+/sFHocRcUihmUH6/AgqXb/DZFT8Oa4f5kM+W19rLY8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Y1MLuE8k4Kpa6kSM6Z6CrgRxAE+UBR3BnTCR+4FUcvoe2XE26Cdb3MNR2oAiYLgPQ EQ7s0wPlt/suiLGtDORkIo6s85HZk0gqXqB1zOP83dVa6y63DLhuCwAYqjgxqOx/bX eLrqSGqcR4ou1gVc3wbFmR5XhNwP6dZN3ue79RAusmauQtUHndvL/iVIG0RVuBA5Jg O1cs9TQ4dysgBpib8+8RZC5yaNSjHrNpBalkodz0Wpu4zxYXFQkaXPVQkUBRw77+mN NeuWzvDz9lozpURNqiygbc6fKCnu6D3XzXO5DFEPBefsRnXIw9CmQGKRMhS9/Z+bho U6V8vB3I/DLtg== From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, Peter Zijlstra , Joe Lawrence , Song Liu , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, Mark Rutland , Miroslav Benes , Petr Mladek Subject: [PATCH v3 16/21] objtool/klp: Filter arm64 mapping symbols in find_symbol_by_offset() Date: Tue, 12 May 2026 20:34:12 -0700 Message-ID: <236050080db7b2462fdb13a03ed48a8efb2415a4.1778642120.git.jpoimboe@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-ID: <20260513033412.8X4ZWEOluxGi46RzaDkLq6G-PYNgy0PVZbISsWArpvE@z> ARM64 ELF objects contain $d/$x mapping symbols (STT_NOTYPE) at offset 0 in data/text sections. These aren't "real" symbols so filter them from find_symbol_by_offset(), consistent with the existing section symbol filter. Signed-off-by: Josh Poimboeuf --- tools/objtool/elf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c index 9d5a926934dc2..a4d9afa3a079c 100644 --- a/tools/objtool/elf.c +++ b/tools/objtool/elf.c @@ -159,7 +159,7 @@ struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset) struct symbol *sym; __sym_for_each(sym, tree, offset, offset) { - if (sym->offset == offset && !is_sec_sym(sym)) + if (sym->offset == offset && !is_sec_sym(sym) && !is_mapping_sym(sym)) return sym->alias; } -- 2.53.0