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 269A020322 for ; Sat, 5 Apr 2025 20:37:02 +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=1743885424; cv=none; b=KvzPv7okC7PVc90hFMZcgMYZrK59FqKhyuKO7xnSIY6VWGBtsg+0WEt8n/AbWT9GRuUl+bI1kmXgtlcHPWN+j7kp5SPUd88MJuTn0bLJEwAdCPsVb2SzOKJsv951yzKlhTNkUcVK/dfMUJawPl/MGF5g60DS97CGIY/isp9nHX0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743885424; c=relaxed/simple; bh=zMlGhzgFbrY+JgytX4DSew8HdhGgXgAXG3V2s6Em6EM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=WpE3X8l5aQL7qsbkkwek+SlFsptFPX4sRpjxqSxkONjxRSy+R6kh79J2ajTtqTxFvphllskDvzPcqJUpNTY8H/8CTp+yE5g+dfGzJpjll+jn6PNizpYJpgm9XeSMei2rjsn3mzQVNGBvdI3Xl4dL68eP3W38OWr5f3mOX1Bjlzs= 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-3d4578fbaf4so63186365ab.0 for ; Sat, 05 Apr 2025 13:37:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1743885422; x=1744490222; 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=lq0z+umsMa3af9r59F6XIYQZFJYrSAW7N+r8MIuKdAA=; b=R4Kq71JJ0//8F53eS2EkPHX9Gtpuu7IhKpBll0lFSERXk4ArINgm02/cc0duQY1Z9S 67C1FtlEg0GnQTddPrXwuU6mqKMZDNoJjhFkWLfAf5Lf+VqWyn33IDsT9I8VXlNuO+jP F+lTRd+HDAmYpWwGqxkbZQ7Nz/WaZ1+Vim8HuvW7Cce/a/bjBDLgq4OrG673ahcun51I cr8iSOOk+n2hM8qEmEtbA2S4puHL8MkCIfC80Cc+dHs4WCAzgmIn+0MSzPAlTrODQgiX QgC+KWGfoVPMfehsCTww+FNEQ13i2G7HH8UzLu0y1ziFXX2SDbrB48JevcW7t9+kLQqv wkyg== X-Forwarded-Encrypted: i=1; AJvYcCWeseuCrFkkuM+RgEQL0oeGmpTND2XMn4IEroPwzlj+zWb5cgFSeVMntnwBBfzDAy2R50AqbysJLuWp1oWcug==@vger.kernel.org X-Gm-Message-State: AOJu0YxLHXAVcS1BfSR46O3QP6Fj9Dj4G5v6QW9nal5J5PEjMR0vPpOS JyNP8XXhbbBCeBoDITQjuMaKp2n2bWGTBgUYGA5ZXzeQQM8kwQsPrfIcahSiH3yXzMLkuDw61K/ Awfyyt2eeTvQSbHTLsc3sqPV2BxXGpO5idBmhLKX5p8gnz5cKAlLXCDU= X-Google-Smtp-Source: AGHT+IFvSmJDsxHAwQYwXiAQnd+JyWMem4t0sD8xvT9TVS+OdfxxwESWuFt2rpSClIIsw4UVMiYD2fBoy9yBKty1smk2JpYpCtcw Precedence: bulk X-Mailing-List: linux-bcachefs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:4401:20b0:3d4:38a4:388e with SMTP id e9e14a558f8ab-3d6e52ee9c1mr58296805ab.1.1743885422287; Sat, 05 Apr 2025 13:37:02 -0700 (PDT) Date: Sat, 05 Apr 2025 13:37:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67f1946e.050a0220.0a13.024a.GAE@google.com> Subject: Re: [syzbot] [bcachefs?] KASAN: slab-use-after-free Read in bchfs_read From: syzbot To: kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: unregister_netdevice: waiting for DEV to become free unregister_netdevice: waiting for batadv0 to become free. Usage count = 3 Tested on: commit: 56f94452 Merge tag 'input-for-v6.15-rc0' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1299e23f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=695196aa2bd08d99 dashboard link: https://syzkaller.appspot.com/bug?extid=2deb10b8dc9aae6fab67 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=16d32b4c580000