Re: [PATCH v2] kasan: Initialize tag to 0xff in __kasan_kmalloc

2019-05-23 Thread Andrey Ryabinin
On 5/2/19 7:30 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, tag), size);

Re: [PATCH v2] kasan: Initialize tag to 0xff in __kasan_kmalloc

2019-05-22 Thread Nathan Chancellor
On Thu, May 02, 2019 at 06:40:52PM +0200, Andrey Konovalov wrote: > On Thu, May 2, 2019 at 6:31 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

Re: [PATCH v2] kasan: Initialize tag to 0xff in __kasan_kmalloc

2019-05-02 Thread Andrey Konovalov
On Thu, May 2, 2019 at 6:31 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 v2] kasan: Initialize tag to 0xff 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