Re: [PATCH v3 2/4] kasan: record and print the free track

2020-05-18 Thread Walter Wu
On Mon, 2020-05-18 at 19:27 +0800, Walter Wu wrote: > On Mon, 2020-05-18 at 12:18 +0200, Dmitry Vyukov wrote: > > On Mon, May 18, 2020 at 8:27 AM Walter Wu wrote: > > > > > > Move free track from slub alloc meta-data to slub free meta-data in > > > order to make struct kasan_free_meta size is 16 b

Re: [PATCH v3 2/4] kasan: record and print the free track

2020-05-18 Thread Walter Wu
On Mon, 2020-05-18 at 12:18 +0200, Dmitry Vyukov wrote: > On Mon, May 18, 2020 at 8:27 AM Walter Wu wrote: > > > > Move free track from slub alloc meta-data to slub free meta-data in > > order to make struct kasan_free_meta size is 16 bytes. It is a good > > size because it is the minimal redzone

Re: [PATCH v3 2/4] kasan: record and print the free track

2020-05-18 Thread Dmitry Vyukov
On Mon, May 18, 2020 at 8:27 AM Walter Wu wrote: > > Move free track from slub alloc meta-data to slub free meta-data in > order to make struct kasan_free_meta size is 16 bytes. It is a good > size because it is the minimal redzone size and a good number of > alignment. > > For free track in gener

[PATCH v3 2/4] kasan: record and print the free track

2020-05-17 Thread Walter Wu
Move free track from slub alloc meta-data to slub free meta-data in order to make struct kasan_free_meta size is 16 bytes. It is a good size because it is the minimal redzone size and a good number of alignment. For free track in generic KASAN, we do the modification in struct kasan_alloc_meta and