Messages in this thread | | | Date | Tue, 12 Oct 2021 09:03:38 +0800 | Subject | Re: mm/kasan/init.c:282:20: error: redefinition of 'kasan_populate_early_vm_area_shadow' | From | Kefeng Wang <> |
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On 2021/10/12 4:53, Andrew Morton wrote: > On Mon, 11 Oct 2021 18:12:44 +0530 Naresh Kamboju <naresh.kamboju@linaro.org> wrote: > >> + Andrew Morton <akpm@linux-foundation.org> >> >> On Mon, 11 Oct 2021 at 17:08, Naresh Kamboju <naresh.kamboju@linaro.org> 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@linaro.org> >>> >>> 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.
Yes, I send a fix patch, and reply this mail, see https://lore.kernel.org/linux-mm/5077aa7e-0167-33b6-35f0-0ea7df8f2375@huawei.com/
> > . >
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