Re: kernel BUG in __pskb_pull_tail

[Eric Dumazet]

On 9/23/21 3:51 AM, Hao Sun wrote:
> Hello,
> 
> When using Healer to fuzz the latest Linux kernel, the following crash
> was triggered.
> 
> HEAD commit: 92477dd1faa6 Merge tag 's390-5.15-ebpf-jit-fixes'
> git tree: upstream
> console output:
> https://drive.google.com/file/d/1f2RLLaRmVwV9ffKgoHvMuXGSs-730rdm/view?usp=sharing
> kernel config: https://drive.google.com/file/d/1KgvcM8i_3hQiOL3fUh3JFpYNQM4itvV4/view?usp=sharing
> 
> Sorry, I don't have a reproducer for this crash, hope the symbolized
> report can help.
> If you fix this issue, please add the following tag to the commit:
> Reported-by: Hao Sun <sunhao.th@xxxxxxxxx>
> 
>

This has been reported many times and we (Vasily, Jakub, ...) are on it.
A bit slow to review V8 because of LPC conference.