On Fri, Jan 26, 2024 at 11:04:53AM -0600, Chenyuan Yang wrote: > Dear Developers for Linux Memory Management, > > We encountered 3 warning crashes when testing the memory management > with Syzkaller and our generated specifications: These all come in through gup_test_ioctl(). It's my impression that this is something you can enable to wreak havoc on your kernel and it's not something which should ever be exposed to fuzzers.