On Sat, Mar 26, 2022 at 12:11:59AM -0700, Eric Biggers wrote: > From: Eric Biggers <ebiggers@xxxxxxxxxx> > > As was established in the thread > https://lore.kernel.org/linux-crypto/20220223080400.139367-1-gilad@xxxxxxxxxxxxx/T/#u, > many crypto API users doing in-place en/decryption don't use the same > scatterlist pointers for the source and destination, but rather use > separate scatterlists that point to the same memory. This case isn't > tested by the self-tests, resulting in bugs. > > This is the natural usage of the crypto API in some cases, so requiring > API users to avoid this usage is not reasonable. > > Therefore, update the self-tests to start testing this case. > > Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> FWIW, I tried this with QAT and I don't see any issue. Regards, -- Giovanni
