+ 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 > > -- > Linaro LKFT > https://lkft.linaro.org