On Fri, 5 Mar 2021 13:50:28 +0100 Zbynek Michl wrote: > On Thu, Mar 4, 2021 at 6:51 PM Jakub Kicinski <k...@kernel.org> wrote: > > > Depends if kernel attempts to try to send a packet before __alx_open() > > finishes. You can probably make it more likely by running trafgen, iperf > > or such while suspending and resuming? > > I've tried "ping -f <GW>" first, but there was no effect - PC woke up > successfully. > > Then I've tried TCP connection, like "wget -O /dev/null > https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.11.3.tar.xz"; and > this kills the kernel on resume reliably. > > So perphaps ICMP and TCP behave differently? > > Anyway, I'm happy to be able to finally enforce the kernel crash this way :) > > > I didn't look too closely to find out if things indeed worked 100% > > correctly before, but now they will reliably crash on a NULL pointer > > dereference if transmission comes before open is done. > > I can confirm that the fix really works and I cannot enforce the > kernel crash anymore. > > So can we merge the patch to the mainline, and ideally also to the 5.10?
Great, I submitted the patch and marked it for stable inclusion! It should percolate through the trees in a couple of weeks.
