[dm-devel] Deadlock when using crypto API for block devices
mpatocka at redhat.com
Fri Aug 24 12:37:52 UTC 2018
On Fri, 24 Aug 2018, Herbert Xu wrote:
> On Fri, Aug 24, 2018 at 07:06:32AM -0400, Mikulas Patocka wrote:
> > A quick search through the crypto code shows that ahash_save_req and
> > seqiv_aead_encrypt return -ENOMEM.
> > Will you fix them?
> These only trigger for unaligned buffers. It would be much better
> if dm-crypt can ensure that the input/output is properly unaligned
> and if otherwise do the allocation in dm-crypt.
But we are relying here on an implementation detail and not on contract.
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