From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 9625464C for ; Wed, 17 Apr 2024 02:03:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713319384; cv=none; b=oNjpfJJ+l19HGDCvkUUa+KymPhXHiXlmraryCUK4OoCtwz5d34ClqEYdTmTubxs2UMVVExnjz0ei8fmiAZuRcIssTpDn+yQhQ0nd9BVmGeDJ3/L5hRl9pXy05rSyCGqQ6z8M6BYAEO9el8LudBT3YgfrnXcbNkO/412KV9BnjtY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713319384; c=relaxed/simple; bh=7R5fFoaVMO58nLKlC8ofNl99FYUCmZ9nMK3uFXMrBiE=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=X9fVQhlzjNdyQXW6WdnyGJ1mlLK7Q0cARaEiHi6xe0YvVeVCIX24VSOXQ8ZfhMirrTMbnjv/3Ee1clDyRdLqH+gAygXvINz434ortX2ZWbfA2HS6w2NRSsIrc6xIj9AUKO+ddQhkqPVL4ShRQFQNqmomkPw1nCS1VAd9t8+Z0bM= 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=209.85.166.69 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-f69.google.com with SMTP id ca18e2360f4ac-7d5f08fdba8so34062939f.0 for ; Tue, 16 Apr 2024 19:03:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713319383; x=1713924183; 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=K7YdGzxIuIhIClLP3KBEn3c7sTLVSJtp6QQ8NED0sW0=; b=fjziJ2MLlwgRb3z4xm+ATmp5awKcg7Nj40d90OzBBDBDpcX6x1HYfFGysdwuNoFOij u2sZGid67MfwvX8Qn1gQ/FLxU+ZHUcBio6Z439sjZ7gNoT5p+iJMuk24HM59sSjt3P9o 4H685G8qKnGXMiwXOTN7QgnfNR8lgZT75w8KbcGkVBaVnLlceKteXL3CJlgw1QEZg8GW eMQWp7Scf4nyMzrwJPOPMEzv/xFvIrkTqUDECM0TXKVY4R6oyPH6Spaiq8Wh24Uu7GKN aI5YH2Nd/5NbVHO1m/VeYdAnd8w2Jv8yavKftGyEDY7yU1GLEOlVe/oyZuduWTN6Auez o3JA== X-Forwarded-Encrypted: i=1; AJvYcCW3vW8SBttYIFrzn84fqHqrEL61H5uF5Xm03X+pEwnrqNfvTNh1iSLPunhry6j9n0GwmvgClAdmIapZjdvPKto2CAiar93U4yom90KeGA== X-Gm-Message-State: AOJu0YyU0fjF0VsGMfRAATb/bgKptPNVkjDnISMf8+ElKtREXWtbiHTt ysFoauV2fdoX+xVLm0IDhsaVCdlKvsr+lEmVvRfp1iwESx+uB5IG9kqlw2qp5w//fCZ+e8kOhWm DVww6CP/wUanxJCCwM64VGeQ/VzxV0Y2CLiTP+5rS52PBvupAdTcVNEE= X-Google-Smtp-Source: AGHT+IH9W3j+txljAd4Ru1fIjaEdLExekzA9d7bphDz7e0hhfAnQYUjYjLwhqL197IxJl5EegTqPzJSU3rdbWNiVPEotT1y7wWUN Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:8622:b0:482:e8c4:6eb0 with SMTP id iu34-20020a056638862200b00482e8c46eb0mr325174jab.0.1713319382875; Tue, 16 Apr 2024 19:03:02 -0700 (PDT) Date: Tue, 16 Apr 2024 19:03:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000340f260616414106@google.com> Subject: Re: [syzbot] [ext4?] KASAN: slab-use-after-free Read in fsnotify From: syzbot To: amir73il@gmail.com, hdanton@sina.com, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to apply patch: checking file fs/notify/fsnotify.c Hunk #1 FAILED at 103. Hunk #2 succeeded at 510 (offset 4 lines). Hunk #3 succeeded at 540 (offset 4 lines). Hunk #4 succeeded at 569 (offset 4 lines). 1 out of 4 hunks FAILED checking file include/linux/fsnotify_backend.h Tested on: commit: 2f012b22 fsnotify: fix UAF from FS_ERROR event on a sh.. git tree: https://github.com/amir73il/linux fsnotify-fixes kernel config: https://syzkaller.appspot.com/x/.config?x=16ca158ef7e08662 dashboard link: https://syzkaller.appspot.com/bug?extid=5e3f9b2a67b45f16d4e6 compiler: patch: https://syzkaller.appspot.com/x/patch.diff?x=10103657180000