From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CC01E1754B for ; Thu, 10 Apr 2025 00:57:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744246639; cv=none; b=Kon9Ysut86igLhMe536q7vsS9U+mo8u34GdD9vhOyIk6SgrBfLE50xhIp6vA7HPnEP1PhTw5khitMBhV7+7wydrXruKtoGqscwnoA56998wK0k7ppGd9MxgRnwat0oNeUGTLM8e4l9/tRaxEU3oDGNtadcqYOpD7Wshjoa0yTz8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744246639; c=relaxed/simple; bh=Ael0egTScUyvCII95KsAl5QwhPiqhggfFKpDNzaGBkI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=JiQjSjM+ScI+2wtG2CyhnPRVWWg43Z/FbIezdZ69tbk/U+pAK6VVYgKx1RFUrcqQiGIGpEfXuOjDPqwgiCIjphnCaNm4omc8NjXWuM8rJVzjovH1zHv8gZE+Kx+KyEHR/EJdgd3tbHB5GAK3/KpEAoX//5Cb8o5i9s/zXO0Q9Qs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-3d44b221f0dso5829025ab.1 for ; Wed, 09 Apr 2025 17:57:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744246637; x=1744851437; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=jX6/N6K1QQaY48qcJOak9eX048IDNFLOpWFpEGDXJlc=; b=JMgkBLLI/BsXrtoh1oETYQNZME/uEOZsDAMFPzii/j5Db9pDsIfuixG6RMCJh9nul0 7KdVy6GTOZUxX1hZI2mdvo0GXOCKY4bn7xpfbCExoJy2v/jpucJGG3Mn2OeTEWt12jKG y8Mm7kIhl0I5Int9wCN9J915FJUY4krMR3+1AbO/QfQdn+XO8ezt2mJHQ8EcpNTjyKFc +QeTGvonqnkFGHzFC+aLMBA+W28a9RyKtXOPdGiF4Q8j0LVozP74cwjwJZqN2mWYhJVz nZTi9D7FGqOh9Wvyw2c/X9NELCFCVlfoSQi/k3+EzfHD9pjxDb16Bv89WElS3Kg1MoUt ENbw== X-Gm-Message-State: AOJu0YwU8kzT515IzjQG0+pZVo6MiTzbhTlz65hy2b4MeNvkxC7HMB+6 J/vp9qiQ47lFReiqfUcQ7sKPXJ8uAu1Y/zR0/2xhF1IjPsNELtyV7CygHRaYjlI64F6flSp0phy p2B5RcEYoNRhZ+4JkpRpo0nLBl5TTA15SPJd0xYeT7FvZU1BluBRmrYE= X-Google-Smtp-Source: AGHT+IEYDrWVVZEvmm8vCBZUGhEWkxdQYJPOTqRfF8h8kMAxDaRY+PXiUy8Zo+QJ9zKL3uJaFKOytQ5qCSpDspn/+cC/8ttzfnBb Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3b89:b0:3d5:8908:92d0 with SMTP id e9e14a558f8ab-3d7e5f4f4eamr3785855ab.3.1744246636984; Wed, 09 Apr 2025 17:57:16 -0700 (PDT) Date: Wed, 09 Apr 2025 17:57:16 -0700 In-Reply-To: <67f26778.050a0220.0a13.0265.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67f7176c.050a0220.258fea.0026.GAE@google.com> Subject: Re: [syzbot] Re: [syzbot] [acpi?] KASAN: slab-use-after-free Read in software_node_notify_remove From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: Re: [syzbot] [acpi?] KASAN: slab-use-after-free Read in software_node_notify_remove Author: lizhi.xu@windriver.com no register no remove #syz test diff --git a/drivers/base/core.c b/drivers/base/core.c index d2f9d3a59d6b..a4b9fe99aa28 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2384,7 +2384,8 @@ static void device_platform_notify(struct device *dev) static void device_platform_notify_remove(struct device *dev) { - software_node_notify_remove(dev); + if (device_is_registered(dev)) + software_node_notify_remove(dev); acpi_device_notify_remove(dev); }