From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 EB782140E34 for ; Fri, 1 Nov 2024 22:13:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730499188; cv=none; b=I5vXdYqEet4Pa3ATO/v0J0J+bSmGarCM1HOSGiiDJb2JqSiKeUditZ1SC4FK8xTuWkFHOw0xA7Ol8ASfiZ69ai8NSHq3uSA9OQ2mfZULIRehFUDZ5lWbMyyIe8bmTmIBJKZG86tRatvDCvISeillmD+1JUDx+kdg9E8yatkF0gg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730499188; c=relaxed/simple; bh=DXk7Tfz6V+9j+3TwKxH43yAXMkCnANFH0QzoCsbXz8g=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=jdqWM2FZD4W9eb73IoNMD7MgGLUk6NE5UaqQnpylwjPGU6meJXU6hy9U7Yt1jOyPQ9k46z5GIyCY9YMI4r3im3J/9lJHwecK0OpD8wbQslYx01y7Sy5eQm9TYO9tSk+z64v2BHAqqRu/60edLo1lmpwHXx6AxAX+3QdirC4nMM4= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-3a6bce8a678so4289765ab.1 for ; Fri, 01 Nov 2024 15:13:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730499186; x=1731103986; 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=mbGkxpLwmpLDwY6C5+KcVqrUr3hsQWtb/ZrSyYB3thQ=; b=vO+Sb4YRtIoBWe4YPfG5tG+D114klCPwFi1mfB5oCl642iijo2v8TPUss9CBTrXY8X Qd5wuq+7MiQUMBWKH4H/vNPfQ9Qn89uqZjekvhtBMTrpQrWXQhTHKrUYRM0c1kxx1JSq c1zttegwM2QEufRoqNK8RKZcHZvffFsz+G8KD5zMa7swSb/c1b29Bo1I1wqvJqg87ZHQ LtThiKATqcK1Vx6IU/f5mBzugMeLuqX3gxYQ9oXIh47p1gmUGDRkfhhhMw/+cpmzjWFH PIUSPNl+LtHoPoFcIRdJeIDR9LgKtFwBH4uu9e9lsf+5O5EhhWKUii8jsKHCLWqJw8Y7 jwzQ== X-Forwarded-Encrypted: i=1; AJvYcCWtyBPFHDkdKPYBdPxl2wbmSYNKgAj0+R88QpjiM6h2mJjTDO5SXqJcWYCuiqn2/3VAoAOiPRm8gw==@vger.kernel.org X-Gm-Message-State: AOJu0Yyp67eWFeoQufgKVZ65AHvaJxjAkyQu+yhVZ11JpFBjWtCr7i7m alcyAmO0pkKPuq/aia7WgfWxdcwCXClFi1J5xdA22QcKGrH9iUyNvF04Q8hhXODIYf7bbDXCKtC 1W3aklPZU2pBAU4d3LM+UY5t8GXh5phci1nx75ha81SnhcZGZH1cO/NI= X-Google-Smtp-Source: AGHT+IFvOt29HeE/lLPloslsE9diBs/vNO7oiztlxo8RQHBFFzL07o+uCm4/H83aB7L+lEUCGr0SYQNlZJtkk8qZ4s8yacqI5lKt Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:348c:b0:3a6:bfd1:49a9 with SMTP id e9e14a558f8ab-3a6bfd1546emr719465ab.2.1730499186133; Fri, 01 Nov 2024 15:13:06 -0700 (PDT) Date: Fri, 01 Nov 2024 15:13:06 -0700 In-Reply-To: <67251dc5.050a0220.529b6.015d.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67255272.050a0220.35b515.017b.GAE@google.com> Subject: Re: [syzbot] [io-uring?] general protection fault in io_uring_show_fdinfo (2) From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 661768085e99aad356ebc77d78ac41fd02eccbe3 Author: Jens Axboe Date: Wed Oct 30 15:51:58 2024 +0000 io_uring/rsrc: get rid of the empty node and dummy_ubuf bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17631630580000 start commit: f9f24ca362a4 Add linux-next specific files for 20241031 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=14e31630580000 console output: https://syzkaller.appspot.com/x/log.txt?x=10e31630580000 kernel config: https://syzkaller.appspot.com/x/.config?x=328572ed4d152be9 dashboard link: https://syzkaller.appspot.com/bug?extid=6cb1e1ecb22a749ef8e8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14f92630580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=126b655f980000 Reported-by: syzbot+6cb1e1ecb22a749ef8e8@syzkaller.appspotmail.com Fixes: 661768085e99 ("io_uring/rsrc: get rid of the empty node and dummy_ubuf") For information about bisection process see: https://goo.gl/tpsmEJ#bisection