Re: [PATCH 4.19 046/105] crypto: ccree - dont map MAC key on stack

Hi! > The MAC hash key might be passed to us on stack. Copy it to > a slab buffer before mapping to gurantee proper DMA mapping. > > Signed-off-by: Gilad Ben-Yossef > Cc: sta...@vger.kernel.org # v4.19+ > Signed-off-by: Herbert Xu > Signed-off-by: Greg Kroah-Hartman > > --- > drivers/crypto/

[PATCH 4.19 046/105] crypto: ccree - dont map MAC key on stack

From: Gilad Ben-Yossef commit 874e163759f27e0a9988c5d1f4605e3f25564fd2 upstream. The MAC hash key might be passed to us on stack. Copy it to a slab buffer before mapping to gurantee proper DMA mapping. Signed-off-by: Gilad Ben-Yossef Cc: sta...@vger.kernel.org # v4.19+ Signed-off-by: Herbert X