On Fri, Feb 25, 2022 at 03:46:52PM -0500, Qian Cai wrote: > On Fri, Feb 25, 2022 at 08:23:41PM +0000, Liam Howlett wrote: > > I just booted an arm64 VM with my build and kasan enabled with no issue. > > Could you please send me your config file for the build? > > On linux-next, I just do: > > $ make arch=arm64 defconfig debug.config [1] > > Then, I just generate some memory pressume into swapping/OOM Killer to > trigger it. > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/kernel/configs/debug.config Is the stacktrace [1] related to the conflict that Mark encountered [2] while merging the maple and folio trees? Booting a next-20220223 kernel on my Raspberry Pi 3 and 4 shows constant NULL pointer dereferences (just ARCH=arm and ARCH=arm64 defconfigs) and reverting the folio and maple tree merges makes everything work properly again. [1]: https://lore.kernel.org/r/YhhRrBpXTFolUAKi@qian/ [2]: https://lore.kernel.org/r/20220224011653.1380557-1-broonie@xxxxxxxxxx/ Cheers, Nathan