Re: [syzbot] WARNING in c_start

From: Tetsuo Handa
Date: Sun Oct 16 2022 - 22:54:09 EST


On 2022/10/17 2:52, Linus Torvalds wrote:
> Anyway, since rc1 is fairly imminent, I will just revert it for now -
> I don't want to have a pending revert wait until -rc2.

Thank you, Linus.

Yury or Jakub, please send a revert request on commit 854701ba4c39 ("net: fix cpu_max_bits_warn()
usage in netif_attrmask_next{,_and}"), for https://syzkaller.appspot.com/bug?extid=9abe5ecc348676215427
says that boot is still failing.

> But I actually suspect that the thing we should really do is to just
> remove the check entirely for these functions that are already defined
> in terms of "if no more bits, return nr_cpu_ids". They already
> basically return an error case, having them *warn* about the error
> they are going to return is just obnoxious.

I agree.