Messages in this thread | | | Subject | Re: [PATCH] RDMA/rxe: Use kzalloc() to alloc map_set | From | "Li, Zhijian" <> | Date | Mon, 23 May 2022 22:02:56 +0800 |
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on 2022/5/20 22:45, Jason Gunthorpe wrote: > On Wed, May 18, 2022 at 12:37:25PM +0800, Li Zhijian wrote: >> Below call chains will alloc map_set without fully initializing map_set. >> rxe_mr_init_fast() >> -> rxe_mr_alloc() >> -> rxe_mr_alloc_map_set() >> >> Uninitialized values inside struct rxe_map_set are possible to cause >> kernel panic. > If the value is uninitialized then why is 0 an OK value? > > Would be happier to know the exact value that is not initialized
Well, good question. After re-think of this issue, it seems this patch wasn't the root cause though it made the crash disappear in some extent.
I'm still working on the root cause :)
Thanks
Zhijian
> > Jason
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