> On Oct 8, 2019, at 7:02 AM, Walter Wu <walter-zh.wu@xxxxxxxxxxxx> wrote: > > I don't know very well in UBSAN, but I try to build ubsan kernel and > test a negative number in memset and kmalloc_memmove_invalid_size(), it > look like no check. It sounds like more important to figure out why the UBSAN is not working in this case rather than duplicating functionality elsewhere.
