From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 B3CE213AD1C for ; Wed, 10 Sep 2025 01:09:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757466545; cv=none; b=gSrXmf6XQakT71RFOlTJycRDFHlbAJsTnJS5lYjceMVNgus7rrZoU+4AlPjwLEkqRZssDUuFuCeO1x0McM/qRUSgz1UYDSc6Qmq+79+iVFjeeJb6jI1HRVGhu9ltOyGQ5imQ1yaBRLf3xRUhJrjDC78XGsb+yQR8cODsEL1AsjU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757466545; c=relaxed/simple; bh=IRizUOamOmhJEwpy2DJKRPRKP27fap+h1Kp1ltdeY4k=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=kXJSKRJB2lRUKvfj5XtDb5mGo2RlGFd99iZ/m7Z89JJRyMvYidqlZ2ZkqcT4gOuuxFMUodxNxI7O29QL9W4BwxiF01C0OpLTeQiAUWa9iq8BjkA13kKEq0qSyeMxXpKwafyLl4h650M/IPyH9dOXZbLyX4MJMaqIFstbxnysWKY= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-3f66898cc14so82982485ab.3 for ; Tue, 09 Sep 2025 18:09:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757466543; x=1758071343; 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=vXfHlpVLcixgaOaRL1866rZuesWEm9wXh/ywKGuCQdM=; b=JnuXvPLRG249MaMWJYBh1yStXd47wjJw4XONPxy8SNND0xUgJ8G19/wxVtYtPeCNYa EMuf+3DQsYZfAmH7rVufoJhhtlhL6lIvt4Gjpod8OYc3Ak3qnoUn7K+Nomq8GKr3qFdn H+Au4IhvL8YZI6vswbBRdvzBkZGAwozT/+ss2DtMxKL+aieGJaKmxbiaYbSOPibBrRRc HkEDkA63Bd9eouvUtg30CFImMeOJy1yPMHor2x0chs2JbeEADciWjUSfpoD6XjGPVXhW Sd/T9Ln9IhpSQWybDINUcrD9qviKL1FF4ctd0ekI3EXFBRnzC4Xvi2JmLa2IWwMm7G9a 7v+w== X-Forwarded-Encrypted: i=1; AJvYcCVltT7BpXjtEmOQFby6tpgm/VbSQbI5uwSgTCifCM5SBkR9SRz3xkiPYvYGyWA8hRU1/R4eBYXE2wd2ZdQ=@vger.kernel.org X-Gm-Message-State: AOJu0YwnAfjUS39hQthyzFRNLbSz0og/iEKEbVhlUGXJnIyuJSP4SYCD hoPxpyU+MgGbv9L5Lws5wm9BKTFaZ0M7lgOyiK5gXgSTj2AmZQc+UcWE2LvU/kvCSuKQQ++oRlr VgbmQ7J0tB+x5a+jHAgK8IKvPIWqD1YU9mOKuGFfbSG2uaRrEmRT+RoRLYPw= X-Google-Smtp-Source: AGHT+IH9rh4e53Oa9hThsWGoOs3rdE16aJww1oo5kTV1j6WCvK9n/6U2L4SzRwkPzvF+rJMXsLDxhD+kEkapWJCAc9r/BSm955dO Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1fcc:b0:408:f6e9:6dfb with SMTP id e9e14a558f8ab-408f6e9736cmr136424255ab.30.1757466542910; Tue, 09 Sep 2025 18:09:02 -0700 (PDT) Date: Tue, 09 Sep 2025 18:09:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68c0cfae.a70a0220.3543fc.000b.GAE@google.com> Subject: Re: [syzbot] [media?] KASAN: slab-use-after-free Read in media_devnode_unregister From: syzbot To: eadavis@qq.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+031d0cfd7c362817963f@syzkaller.appspotmail.com Tested-by: syzbot+031d0cfd7c362817963f@syzkaller.appspotmail.com Tested on: commit: 65dd046e Add linux-next specific files for 20250909 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=13c4ed62580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d3b38340153b83d4 dashboard link: https://syzkaller.appspot.com/bug?extid=031d0cfd7c362817963f compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=15ff2642580000 Note: testing is done by a robot and is best-effort only.