linux-kernel - Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in __vma_reservation

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Message-ID: <ZiFqSrSRLhIV91og@fedora>
Date: Thu, 18 Apr 2024 11:45:30 -0700
From: Vishal Moola <vishal.moola@...il.com>
To: syzbot <syzbot+ad1b592fc4483655438b@...kaller.appspotmail.com>
Cc: akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, muchun.song@...ux.dev,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in
 __vma_reservation_common

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@...kaller.appspotmail.com

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git linus

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