On 2022/11/8 17:59, Herbert Xu wrote: > On Mon, Nov 07, 2022 at 09:22:22PM +0800, liulongfang wrote: > . >> What do you need is the log of this call trace? > > I mean the functions in the call trace starting from the one that > sets the callback to NULL. > The trigger method is to not call the function skcipher_request_set_callback() when using the skcipher interface for encryption and decryption services. > Cheers > Thanks, Longfang.