Re: A slab-out-of-bounds Read bug in __htab_map_lookup_and_delete_batch

From: butt3rflyh4ck
Date: Thu Jan 06 2022 - 01:03:30 EST


> >
> > Hi, the attachment is a reproducer. Enjoy it.
>
> Please do not top-post.
> Forwarding a syzbot reproducer with zero effort to analyze
> what's going on is kinda lame.

Hi, I am sorry for that.

> Maybe try harder and come up with a fix?
> Or at least try git bisect and based on a commit find and
> cc an author so it can be fixed (assuming issue still exists
> in bpf-next) ?
>

Thank you for your suggestions.
I spent a few days on git bisect and locked the bad commit, the commit
is d635a69dd4981cc51f90293f5f64268620ed1565.
The commit is a Merge tag 'net-next-5.11' and Contains multiple
commits, currently not locked to a single commit.


Regards,
but3rflyh4ck.

--
Active Defense Lab of Venustech