Re: [PATCH] kasan: Zero initialize tag in __kasan_kmalloc

2019-05-02 Thread Andrey Konovalov
On Thu, May 2, 2019 at 5:36 PM Nathan Chancellor wrote: > > When building with -Wuninitialized and CONFIG_KASAN_SW_TAGS unset, Clang > warns: > > mm/kasan/common.c:484:40: warning: variable 'tag' is uninitialized when > used here [-Wuninitialized] > kasan_unpoison_shadow(set_tag(object,

[PATCH] kasan: Zero initialize tag in __kasan_kmalloc

2019-05-02 Thread Nathan Chancellor
When building with -Wuninitialized and CONFIG_KASAN_SW_TAGS unset, Clang warns: mm/kasan/common.c:484:40: warning: variable 'tag' is uninitialized when used here [-Wuninitialized] kasan_unpoison_shadow(set_tag(object, tag), size); ^~~ set_tag