Re: [syzbot] [mm?] kernel BUG in __vma_reservation_common

From: Oscar Salvador
Date: Tue May 28 2024 - 07:29:50 EST


On Mon, May 27, 2024 at 05:50:24AM -0700, syzbot wrote:
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: 66ad4829ddd0 Merge tag 'net-6.10-rc1' of git://git.kernel...
> git tree: net-next
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=15c114aa980000
> kernel config: https://syzkaller.appspot.com/x/.config?x=48c05addbb27f3b0
> dashboard link: https://syzkaller.appspot.com/bug?extid=d3fe2dc5ffe9380b714b
> compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17770d72980000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10db1592980000
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/05c6f2231ef8/disk-66ad4829.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/5f4fc63b22e3/vmlinux-66ad4829.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/67f5c4c88729/bzImage-66ad4829.xz
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+d3fe2dc5ffe9380b714b@xxxxxxxxxxxxxxxxxxxxxxxxx

#syz test