On Mon, 11 Oct 2021 18:12:44 +0530 Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote: > + Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > > On Mon, 11 Oct 2021 at 17:08, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote: > > > > Regression found on x86_64 gcc-11 built with KASAN enabled. > > Following build warnings / errors reported on linux next 20211011. > > > > metadata: > > git_describe: next-20211011 > > git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next > > git_short_log: d3134eb5de85 (\"Add linux-next specific files for 20211011\") > > target_arch: x86_64 > > toolchain: gcc-11 > > > > build error : > > -------------- > > mm/kasan/init.c:282:20: error: redefinition of > > 'kasan_populate_early_vm_area_shadow' > > 282 | void __init __weak kasan_populate_early_vm_area_shadow(void *start, > > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > In file included from include/linux/mm.h:34, > > from include/linux/memblock.h:13, > > from mm/kasan/init.c:9: > > include/linux/kasan.h:463:20: note: previous definition of > > 'kasan_populate_early_vm_area_shadow' with type 'void(void *, long > > unsigned int)' > > 463 | static inline void kasan_populate_early_vm_area_shadow(void *start, > > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > make[3]: *** [scripts/Makefile.build:288: mm/kasan/init.o] Error 1 > > make[3]: Target '__build' not remade because of errors. > > > > > > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > > > build link: > > ----------- > > https://builds.tuxbuild.com/1zLv2snHfZN8QV01yA9MB8NhUZt/build.log > > > > build config: > > ------------- > > https://builds.tuxbuild.com/1zLv2snHfZN8QV01yA9MB8NhUZt/config > > > > # To install tuxmake on your system globally > > # sudo pip3 install -U tuxmake > > tuxmake --runtime podman --target-arch x86_64 --toolchain gcc-11 > > --kconfig defconfig --kconfig-add > > https://builds.tuxbuild.com/1zLv2snHfZN8QV01yA9MB8NhUZt/config Presumably "kasan: arm64: fix pcpu_page_first_chunk crash with KASAN_VMALLOC". Let's cc Kefeng.
