From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 7F42814265 for ; Sat, 13 Apr 2024 08:58:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712998686; cv=none; b=U2xWK3K8q5Md1z1eNhNj7Ow3kbDiTIWOxlpIIamXOD2xhyTbzGBCdkTAkUWCjRw6VUNixMyJRGCCkmTWtyQB76WiCvp93m/ltkCx3oZ2k87/OIa/RTfnpzKIe3JlzKdxvMDe5O413U7B6BP28HMu7WfWAiMZcMzcz/RVj9VlOYw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712998686; c=relaxed/simple; bh=KIfnyfR7vYYdcwapDYh/BTV5MWSExVwJa52f6U/e9lw=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=pWMdiwGwTP/CZt5mxdLl70wuzuVatEIZdPls6jhTAfseAU+exRjTLsuJ460gcssolULIuBDBFJjp0IBUXJeFCQgRr6kHf9p21PkEJKgmxn+RoclyAEcwp8HWD7k0bUpsZsIvefn/vcj/FVrX1HuaoM2KVGZaZNAu3wMuwHik7pk= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-7c8a960bd9eso165477439f.0 for ; Sat, 13 Apr 2024 01:58:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712998684; x=1713603484; 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=LeiumxD2W77agYk5SZK5cVx4YsslJs/nsVx2smQ5QmQ=; b=r5zGhsGI5YCisc/EHH+FRAVhsD9sM5rW5WklLz99wBz8NqNrungmBWaX3a1yMIclsg cLi45wz59HPVDB5zDc99Vjj7JTTCq57qYqSOMjhhKHxmfCuFZFzqz2heU2Tew54+FtSf cXK2IVb01EZkBD1xw3RASJSacAo+6OKew/z7CVLDy1Q2hpDJcgow0c9+Kj2q1GrvxjZj Ve1RQzkyML+CuG7BvXY2+XZu9+/0/Idiekul35wT2J3oz671c1D5I4SVQ/5+eBgphUQN 483RLzW9/xZWWZukX6O5gKlGzK6vbpKl+0PL1eiyxlwQG+DTWHiEJcfDU00vRNiZ7DcW f+jA== X-Forwarded-Encrypted: i=1; AJvYcCWy6Yvz97DOIXccE4XjBwK0w2bTkcrYNKOm+RwC/R57jLxNFkY3iDD2EQ2C1pMY+WtToddN0uEUrOhylwenTPruSM3J4xhYlSiN1PrE X-Gm-Message-State: AOJu0YzifY5wlAigDhUeFHBfkR7tcRTE7kuSytbT64OY18DH8FbRBlF6 WpKICwfS40Z3EW2ZvRB0eQdpOmQ5LyZsh2w/UVYOqcgjtWk+Cf5OFmQitmuWAJbn9aQ+/YnlX20 FNicxC0NTxFVcQiwDB+zYiwQfybiS50xK832z2/kNqXV7JbBIED88dmk= X-Google-Smtp-Source: AGHT+IEoOIyYUcirD1veAnTrzTF2ffLJUxDOAtgseUuzBuijmXiPpCKUzqSSskYi7UJYvovHGUVtetdoO7alhYeiewgCeWppe8+V Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:8528:b0:482:d9d4:b0a6 with SMTP id is40-20020a056638852800b00482d9d4b0a6mr109163jab.5.1712998684788; Sat, 13 Apr 2024 01:58:04 -0700 (PDT) Date: Sat, 13 Apr 2024 01:58:04 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001b9bda0615f69622@google.com> Subject: Re: [syzbot] [ext4?] KASAN: slab-use-after-free Read in fsnotify From: syzbot To: amir73il@gmail.com, hdanton@sina.com, linux-fsdevel@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 and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+5e3f9b2a67b45f16d4e6@syzkaller.appspotmail.com Tested on: commit: 9e589786 fsnotify: do not handle events on a shutting .. git tree: https://github.com/amir73il/linux fsnotify-fixes console output: https://syzkaller.appspot.com/x/log.txt?x=11cdb161180000 kernel config: https://syzkaller.appspot.com/x/.config?x=9995779c8305f57e dashboard link: https://syzkaller.appspot.com/bug?extid=5e3f9b2a67b45f16d4e6 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=14f52d33180000 Note: testing is done by a robot and is best-effort only.