Re: [PATCH v2] kasan, slub: fix handling of kasan_slab_free hook

2018-03-07 Thread Andrey Ryabinin
On 03/06/2018 09:18 PM, Andrey Konovalov wrote: > The kasan_slab_free hook's return value denotes whether the reuse of a > slab object must be delayed (e.g. when the object is put into memory > qurantine). > > The current way SLUB handles this hook is by ignoring its return value > and hardcodin

[PATCH v2] kasan, slub: fix handling of kasan_slab_free hook

2018-03-06 Thread Andrey Konovalov
The kasan_slab_free hook's return value denotes whether the reuse of a slab object must be delayed (e.g. when the object is put into memory qurantine). The current way SLUB handles this hook is by ignoring its return value and hardcoding checks similar (but not exactly the same) to the ones perfor