Merge tag 's390-7.2-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Vasily Gorbik:

 - Fix PCI MMIO write syscall falsely reporting success for mappings not
   valid for MMIO when MIO is unavailable by returning -EFAULT

 - Fix CPRB parameter buffer overflows in zcrypt CCA AES cipher and ECC
   private key conversion by rejecting oversized key tokens

 - Fix buffer overreads and length underflow in pkey and zcrypt CCA
   token validation by checking length fields against actual buffer
   sizes

 - Fix out of bounds permission bitmap access in zcrypt EP11 admin CPRB
   filtering on custom device nodes by using AP_DOMAINS as the limit

 - Fix speculative permission bitmap reads in zcrypt CCA and EP11 admin
   CPRB handling by sanitizing user controlled domain indexes

 - Fix sensitive key material left in zcrypt CCA clear key import
   buffers by scrubbing CPRB and temporary buffers after use

* tag 's390-7.2-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/zcrypt: Fix missing mem scrub at clear key import in cca_clr2cipherkey()
  s390/zcrypt: Close speculative mem read possibility
  s390/zcrypt: Fix wrong domain value verification with EP11 CPRBs
  s390/zcrypt: Fix buffer over-read in cca_cipher2protkey
  s390/zcrypt: Validate length for CCA ECC private key requests
  s390/zcrypt: Validate length for CCA AES cipher key requests
  s390/pci: Fix s390_pci_mmio_write syscall error return without MIO

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