Subject: Re: [syzbot] [net?] [bpf?] general protection fault in dev_map_redirect

From: Jakub Kicinski <[email-masked]>
Date: Tue, 2 Jul 2024 11:40:26 -0700

On Mon, 01 Jul 2024 13:19:15 -0700 syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    74564adfd352 Add linux-next specific files for 20240701
> git tree:       linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=12e5b0e1980000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=111e4e0e6fbde8f0
> dashboard link: https://syzkaller.appspot.com/bug?extid=08811615f0e17bc6708b
> 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.

Hi Sebastian!

We have a few of these:

https://lore.kernel.org/all/[email-masked]/
https://lore.kernel.org/all/[email-masked]/
https://lore.kernel.org/all/[email-masked]/

tun's local XDP and XDP generic also need to be covered.