Received-SPF: pass (google.com: domain of linux-kernel+bounces-150641-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223;
Precedence: bulk
MIME-Version: 1.0
Date: Thu, 18 Apr 2024 11:40:56 -0700
In-Reply-To: <ZiFpM5SnIs_2MrDr@fedora>
Message-ID: <000000000000c497aa0616634f10@google.com>
Subject: Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in __vma_reservation_common
From: syzbot <syzbot+ad1b592fc4483655438b@syzkaller.appspotmail.com>
To: vishal.moola@gmail.com
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, 
	linux-mm@kvack.org, muchun.song@linux.dev, syzkaller-bugs@googlegroups.com, 
	vishal.moola@gmail.com
Content-Type: text/plain; charset="UTF-8"

> On Fri, Apr 12, 2024 at 06:32:33AM -0700, syzbot wrote:
>> Hello,
>> 
>> syzbot found the following issue on:
>> 
>> HEAD commit:    11cb68ad52ac Add linux-next specific files for 20240408
>> git tree:       linux-next
>> console output: https://syzkaller.appspot.com/x/log.txt?x=13a6f483180000
>> kernel config:  https://syzkaller.appspot.com/x/.config?x=727d5608101b5d77
>> dashboard link: https://syzkaller.appspot.com/bug?extid=ad1b592fc4483655438b
>> compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
>> 
>> Unfortunately, I don't have any reproducer for this issue yet.
>> 
>> Downloadable assets:
>> disk image: https://storage.googleapis.com/syzbot-assets/4e90f2d3b1ef/disk-11cb68ad.raw.xz
>> vmlinux: https://storage.googleapis.com/syzbot-assets/d886b454e2cc/vmlinux-11cb68ad.xz
>> kernel image: https://storage.googleapis.com/syzbot-assets/ed94857c6f92/bzImage-11cb68ad.xz
>> 
>> IMPORTANT: if you fix the issue, please add the following tag to the commit:
>> Reported-by: syzbot+ad1b592fc4483655438b@syzkaller.appspotmail.com
>
> #syz test https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git

want either no args or 2 args (repo, branch), got 1

> linus