Messages in this thread | | | Subject | Re: [PATCH v3] kasan: add memory corruption identification for software tag-based mode | From | Andrey Ryabinin <> | Date | Fri, 26 Jul 2019 15:52:10 +0300 |
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On 7/26/19 3:28 PM, Walter Wu wrote: > On Fri, 2019-07-26 at 15:00 +0300, Andrey Ryabinin wrote: >> > >>> >>> >>> I remember that there are already the lists which you concern. Maybe we >>> can try to solve those problems one by one. >>> >>> 1. deadlock issue? cause by kmalloc() after kfree()? >> >> smp_call_on_cpu() > >>> 2. decrease allocation fail, to modify GFP_NOWAIT flag to GFP_KERNEL? >> >> No, this is not gonna work. Ideally we shouldn't have any allocations there. >> It's not reliable and it hurts performance. >> > I dont know this meaning, we need create a qobject and put into > quarantine, so may need to call kmem_cache_alloc(), would you agree this > action? >
How is this any different from what you have now?
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