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 DBC0D241129 for ; Sat, 8 Feb 2025 18:13:07 +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=1739038389; cv=none; b=T1UC21X2Dcsv6rYXI1dpvCL7UB75QHz0KgG0c+wgfe9pe5cs6KiwrP+OOBWZ7DfFcwNfcaxVttkuE1mRrKuI1FvzsVB6NsIF2ZQEDGIE6etG52ZIue7Ij4WwpsmxmjTEOLYYZ9uar+oaDdTG06U4Jle95xgp0/yb7rPz0CFQSiI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739038389; c=relaxed/simple; bh=jCe5Ko+BEiMMqUX4MLdnqnpGJApSfygeryF1Wff+3MY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=C2YYa8fHD6kLiRRmTUAsy+z+ub08KvN1UMCMgTFZtQObSWkNxGSW/VKBm9UjhBXDxTtmfuXi9brPKIuDz/MmMHioV1K6HeZxlhcFNwf14/+iadwBSibv1CFuV8MXYkXPsuTl4z9fzNDxBR+oGBTfbCMb0+ADMYWUwpq/4Vwxcf4= 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-3ce7b6225aeso57748235ab.0 for ; Sat, 08 Feb 2025 10:13:07 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739038387; x=1739643187; 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=L68seCHq06A0QlTsoJnIo63XmqePBu8IWHQHQYEeSNY=; b=wrY9Jk250BX3PAZm7Eu1pBGt7Due6SQdDbGCtgNexg3wFkPEx6nXnQiagjtfQ0N5G6 0A5zNJFJMVEJsf0n5IALcP+jHPiOd20RjUmuHk0MYLv/aSPwD5YusjH0RRqVuclQJhgf 5k/SoEo2I5ZxRhRsbd1fXBFBJAThYflcQAP9L1xyAaCzGGankFXCyusw6CrlwRZUsynM RddgzmtUyXJWJ5zlCkwciJWxXrLoQ02O0XmliPch+gZJD9VtdTVNd9Q3fmy+P6EVBZ8F McG4ZdZHKXSD5Bq2EFAenpJ92GPrplX+5Sa5ZnNDzIPGth+4V88ToiN+/7h9EOjRCu2h KHuA== X-Forwarded-Encrypted: i=1; AJvYcCWOhWnBbMBDdXVVn2NOEfp+ioZtM7BuGobGYgYAu2IvGxfiIInsibdOXr0d3BtLAJtVCwI7PyOTq3unSSM=@vger.kernel.org X-Gm-Message-State: AOJu0Yzs81O3LKWImoXCH1CaX8q3W+3ODCkYoAaBjuC0VPn9k1Yfv5k6 ksNzhXc8Y3MdEXG1NkKDOUYByqQjFs/Zg/CSHB8AdNU8CNy1JrJhEDmOh/h9nCZkhL6AYuTHsT+ 7FCAYJJPQ7r/NhLug5MZn6kEI0Ub/R5C+XMZ7azyht1Mh1ECWE30lLJw= X-Google-Smtp-Source: AGHT+IETwaFD92Sx+P5rd0Aiu+L8tKh8GHvF1IBMYWIs66lr6Xv785MVVxiiiHfBDzg8qLYAfHoRYvd8OWkdK2oWeDLD3BKcI1IL Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d8d:b0:3d0:4e0c:2c96 with SMTP id e9e14a558f8ab-3d13de77ae3mr64920575ab.2.1739038387122; Sat, 08 Feb 2025 10:13:07 -0800 (PST) Date: Sat, 08 Feb 2025 10:13:07 -0800 In-Reply-To: <67a4eae3.050a0220.65602.0000.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67a79eb3.050a0220.3d72c.002b.GAE@google.com> Subject: Re: [syzbot] [ext4?] WARNING in inode_set_cached_link From: syzbot To: adilger.kernel@dilger.ca, brauner@kernel.org, jack@suse.cz, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mjguzik@gmail.com, syzkaller-bugs@googlegroups.com, tytso@mit.edu, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 6408a56623761f969537b421d99f045a4cc955b9 Author: Mateusz Guzik Date: Tue Feb 4 21:32:07 2025 +0000 vfs: sanity check the length passed to inode_set_cached_link() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=152ffca4580000 start commit: 808eb958781e Add linux-next specific files for 20250206 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=172ffca4580000 console output: https://syzkaller.appspot.com/x/log.txt?x=132ffca4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=88b25e5d30d576e4 dashboard link: https://syzkaller.appspot.com/bug?extid=2cca5ef7e5ed862c0799 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=161241b0580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16ee80e4580000 Reported-by: syzbot+2cca5ef7e5ed862c0799@syzkaller.appspotmail.com Fixes: 6408a5662376 ("vfs: sanity check the length passed to inode_set_cached_link()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection