[PATCH v4 00/15] Fix several issues in DTHEv2 driver

[T Pratham <t-pratham@ti.com>]

This series fixes a handful of independent and mostly benign till now
issues in the DTHEv2 driver which were flagged by bots and AI agents.
Except for the fifth patch in this series which was found in an
internal testing.

The Sashiko review on DTHEv2 hashing driver patch series v5 pointed out
some pre-existing issues which needed to be fixed [1].

One of the issues had already been flagged by kernel test bot and a fix
sent on the list by Mert [2].

I included this patch in this series with minor edits. Then the Sashiko
review page for [2] had more comments [3]

Overall this resulted in a bunch of fixes patches which would have
deviated the DTHEv2 hashing driver series had they been included with
it. So I clubbed them together in a new patch series which is this.

Signed-off-by: T Pratham <t-pratham@ti.com>
---
Links:
[1]: 
https://sashiko.dev/#/patchset/20260807110501.975130-1-t-pratham%40ti.com
[2]:
https://lore.kernel.org/all/20260613085858.32580-1-mertsftl@gmail.com/
[3]:
https://sashiko.dev/#/patchset/20260613085858.32580-1-mertsftl%40gmail.com

Changelog:
v4:
 - Fixes based on Sashiko comments
v3:
 - Fixes based on Sashiko comments
 - Some reordering of patches
v2:
 - Fixes based on Sashiko comments

Link to previous versions:
v3: https://lore.kernel.org/all/20260910104202.1537226-1-t-pratham@ti.com/
v2: https://lore.kernel.org/all/20260827132318.613876-1-t-pratham@ti.com/
v1: https://lore.kernel.org/all/20260827105711.527182-1-t-pratham@ti.com/
---

Mert Seftali (1):
  crypto: ti - Use list_first_entry_or_null() in dthe_get_dev()

T Pratham (14):
  crypto: ti - Fix spinlock inconsistency in DTHEv2
  crypto: ti - Fix potential memory corruption on highmem pages
  crypto: ti - Fix use-after-free of dev_data on DTHEv2 driver removal
  crypto: ti - Trim scatterlists to correct length in AES
  crypto: ti - Align buffers to cacheline for DMA
  crypto: ti - Separate padding buffer for src and dst
  crypto: ti - Validate sg_nents_for_len() return value in DTHEv2 AES
  crypto: ti - Validate sg_nents_for_len() return value in DTHEv2 AEAD
  crypto: ti - Terminate DMA on all error paths in AES to clear
    descriptors
  crypto: ti - Terminate DMA on all error paths in AEAD to clear
    descriptors
  crypto: ti - Do AEAD software fallback on only ENOMEM
  crypto: ti - Correct AEAD tag operations against dma cache
    invalidation
  crypto: ti - Change lengths in AES to u64 to avoid potential overflows
  crypto: ti - Change lengths in AEAD to u64 to avoid potential
    overflows

 drivers/crypto/ti/dthev2-aes.c    | 324 +++++++++++++++++++-----------
 drivers/crypto/ti/dthev2-common.c |  48 ++++-
 drivers/crypto/ti/dthev2-common.h |  58 +++++-
 3 files changed, 297 insertions(+), 133 deletions(-)

-- 
2.34.1