On Mon, 07 Mar 2022, Michael S. Tsirkin wrote: > On Mon, Mar 07, 2022 at 07:17:57PM +0000, Lee Jones wrote: > > vhost_vsock_handle_tx_kick() already holds the mutex during its call > > to vhost_get_vq_desc(). All we have to do here is take the same lock > > during virtqueue clean-up and we mitigate the reported issues. > > Pls just basically copy the code comment here. this is just confuses. > > > Also WARN() as a precautionary measure. The purpose of this is to > > capture possible future race conditions which may pop up over time. > > > > Link: https://syzkaller.appspot.com/bug?extid=279432d30d825e63ba00 > > And this is a bug we already fixed, right? Well, this was the bug I set out to fix. I didn't know your patch was in flight at the time. > > Cc: <stable@xxxxxxxxxxxxxxx> > > Reported-by: syzbot+adc3cb32385586bec859@xxxxxxxxxxxxxxxxxxxxxxxxx > > not really applicable anymore ... I can remove these if it helps. -- Lee Jones [李琼斯] Principal Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog