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 F10D319DF8E for ; Thu, 10 Oct 2024 04:30:03 +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=1728534605; cv=none; b=O0TkoE3pYixrRlGG6Abu7VSL3Oz1g+SWPDkan5fQ/ZV6ZsP1B9WOCcLCUfX30h+kmb1bm/gVgIDmN+tIcfoXcy9hKryj61mXp83Th34xA4dcwvAZx+AeuqcdiQpt8zSRn6yNOoupsnC7FKGZoYc+MuHKD01tZBS3utFZqspfB6w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728534605; c=relaxed/simple; bh=5QiEIoQR6cUxDQ0vO9v5JFZcbkxYYfbYg1jzlcNDLZE=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=qqeai5+AS5LFSnBUhJe6N2QUVieLkfWxQX7M2UIIQ81v/Rmi8eW54wmoFZj+sNLYQMcjt6Jm+U4WfsRe66e3ByDlEuOpfcH1pKqlK/PcG/YocoE4tcA3V7td2SeLJjVLfeQSruovgwQgYYvqvzHjFgnUW6HtOBiiJ0elnwAb4W0= 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-3a3a5f6cb13so4918265ab.3 for ; Wed, 09 Oct 2024 21:30:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728534603; x=1729139403; 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=zp7xZSP/rHcnUq6WPDWf9OxkdFDmkIPFNvZX4QqxE9g=; b=di3WPBWLYE40MHt0ybz8Iio/XFIUQTF976tt2ipUlO0mSz12lngaQOmlmtp0GFATRr KffgRa3vbRM1gIJZxGpqAhJM4lOIwUYLnvzrWvjoMSS2wkokpocLRDnChon5WIL0eSgW S67GM5vCOsug3OLL7tKMa8Z+t3DtUEiHb0I7rTXCMDHLbss42LZn2+1PTfX+5gL73wlL QIs//SFX6oAN40QHBTt6oz1NgK0R0ljGngVVRalv5DnEnLdJ77OWxM55H2a5jVbeR+3E j0Eg6yMRLIqPU3s5tYsvlTa5Iq08RTOWayOHVkf/xlMTFAV9jdaiPTmP5wav7SkVUjrX QDeQ== X-Forwarded-Encrypted: i=1; AJvYcCWiEtZWitzz+2+/wOJRLhnXBPBPRZRReYkZH/ADFal+3/l4Zv+Tshf8N+4dTnVyPnL3lk0VNGF3i6luKA==@vger.kernel.org X-Gm-Message-State: AOJu0Yy/zmWJFJ1XP9EjyFTYIqZqdoh8U83yAk5S9JPakshboJ/16UaZ lwGGZaA61IUNQXoLjY8WtbUHYr7xyLTdO8yTALkQRn4TmjlVscDOjsyNkSB+QPTHkXT4ii9FdsY 02UCDvY2p/fxSxwWeTSCdQKwN3QNSt/+1Lvp+Mj/IJ7rxy5Gw34vIWIQ= X-Google-Smtp-Source: AGHT+IEfvVlsBHUeO5VijbB5da9hpkHdYd2A/1T2V8iIaSp50CJK33p+FfKRPhS1flyS9eppJU74SLMhrgAr/v1G/TSknFmW9Jhv Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:5a8:b0:3a3:a7bf:7f85 with SMTP id e9e14a558f8ab-3a3a7bf80c4mr9683785ab.5.1728534603153; Wed, 09 Oct 2024 21:30:03 -0700 (PDT) Date: Wed, 09 Oct 2024 21:30:03 -0700 In-Reply-To: <670689a8.050a0220.67064.0046.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6707584b.050a0220.67064.0059.GAE@google.com> Subject: Re: [syzbot] [btrfs?] general protection fault in getname_kernel (2) From: syzbot To: clm@fb.com, dsterba@suse.com, eadavis@qq.com, fdmanana@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, quwenruo.btrfs@gmx.com, syzkaller-bugs@googlegroups.com, wqu@suse.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit b4b3fb6c00f37a9da91022adcd83555bc339e044 Author: Qu Wenruo Date: Tue Sep 24 04:57:07 2024 +0000 btrfs: canonicalize the device path before adding it bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15744f07980000 start commit: 33ce24234fca Add linux-next specific files for 20241008 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=17744f07980000 console output: https://syzkaller.appspot.com/x/log.txt?x=13744f07980000 kernel config: https://syzkaller.appspot.com/x/.config?x=4750ca93740b938d dashboard link: https://syzkaller.appspot.com/bug?extid=cee29f5a48caf10cd475 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=160ce327980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15ea7707980000 Reported-by: syzbot+cee29f5a48caf10cd475@syzkaller.appspotmail.com Fixes: b4b3fb6c00f3 ("btrfs: canonicalize the device path before adding it") For information about bisection process see: https://goo.gl/tpsmEJ#bisection