On 2019-01-14 12:58 p.m., Qian Cai wrote:
Unfortunately, I could not trigger any of those here both in a bare-metal and virtual machines. All I triggered were hung tasks and soft-lockup due to fork bomb. The only other thing I can think of is to setup kdump to capture a vmcore when either GPF or BUG() happens, and then share the vmcore somewhere, so I might pork around to see where the memory corruption looks like.
Another question that I forgot to ask, what type of device is /dev/sg0 ? On a prior occasion (KASAN, throw spaghetti ...) it was a SATA device and the problem was in libata. Doug Gilbert