Re: BUG: unable to handle kernel paging request in n_tty_open

From: Greg KH
Date: Sun Feb 12 2023 - 12:33:30 EST


On Sun, Feb 12, 2023 at 09:00:17AM -0800, Dipanjan Das wrote:
> Hi,
>
> We would like to report the following bug which has been found by our
> modified version of syzkaller.

Do you have a proposed patch for this issue as you seem to be able to
reproduce this?

Wait, this is a fake problem:

> memcpy((void*)0x20000000, "/dev/ttyS3\000", 11);
> inject_fault(13);

You are manually injecting faults. That's not a normal operation. If
you can reproduce this without fault injection, please let us know.

Or propose a patch to resolve this?

thanks,

greg k-h