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s390 updates for 7.3-rc3

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- Fix NULL pointer dereferences in s390dbf when setting debug levels or
   resizing debug areas while logging events. Remove duplicate messages
   about kernel parameter overrides
 
 - Fix PAI perf crashes when per task events move to newly onlined CPUs.
   Add CPU hotplug callbacks to allocate and free the per-CPU data
 
 - Fix mutex use in atomic context in AES and PAES CTR code by using
   semaphore trylocks instead. Remove conditional locking and enable
   Clang CONTEXT_ANALYSIS for the crypto code
 
 - Fix scatterlist walk error handling in AES and PAES and avoid freeing
   PAES walk resources twice
 
 - Fix missing scrubbing of temporary AES and PAES buffers, including AES
   GCM error paths
 
 - Set missing CRYPTO_ALG_ASYNC and CRYPTO_ALG_NO_FALLBACK flags for PAES
 
 - Fix -EBUSY handling in PAES and PHMAC to avoid cleaning up requests
   already queued to the crypto engine
 
 - Fix PAES and PHMAC requests being completed twice on errors
 
 - Fix PAES and PHMAC hangs when key conversion keeps returning -EBUSY
   by returning -EIO after the last retry
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Merge tag 's390-7.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Vasily Gorbik:

 - Fix NULL pointer dereferences in s390dbf when setting debug levels or
   resizing debug areas while logging events. Remove duplicate messages
   about kernel parameter overrides

 - Fix PAI perf crashes when per task events move to newly onlined CPUs.
   Add CPU hotplug callbacks to allocate and free the per-CPU data

 - Fix mutex use in atomic context in AES and PAES CTR code by using
   semaphore trylocks instead. Remove conditional locking and enable
   Clang CONTEXT_ANALYSIS for the crypto code

 - Fix scatterlist walk error handling in AES and PAES and avoid freeing
   PAES walk resources twice

 - Fix missing scrubbing of temporary AES and PAES buffers, including
   AES GCM error paths

 - Set missing CRYPTO_ALG_ASYNC and CRYPTO_ALG_NO_FALLBACK flags for
   PAES

 - Fix -EBUSY handling in PAES and PHMAC to avoid cleaning up requests
   already queued to the crypto engine

 - Fix PAES and PHMAC requests being completed twice on errors

 - Fix PAES and PHMAC hangs when key conversion keeps returning -EBUSY
   by returning -EIO after the last retry

* tag 's390-7.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/crypto: Enable CONTEXT_ANALYSIS
  s390/crypto: Map EBUSY to EIO when key conversion fails repeatedly
  s390/crypto: Fix wrong return code to engine in asynch callbacks
  s390/crypto: Fix handling of EBUSY in PHMAC when req is pushed to crypto engine
  s390/crypto: Fix handling of EBUSY in PAES when req is pushed to crypto engine
  s390/crypto: Fix missing cra_flags in paes_s390
  s390/crypto: Fix use of mutex in atomic context in PAES
  s390/crypto: Fix missing scrub of temp buffers with PAES algorithm
  s390/crypto: Fix return code handling at skcipher_walk_done in PAES algorithms
  s390/crypto: Fix use of mutex in atomic context
  s390/crypto: Fix missing scrub of temp buffers with AES ctr and gcm algorithm
  s390/crypto: Fix skcipher_walk return code handling in aes_s390
  s390/debug: Fix race between debug area resize and event logging
  s390/debug: Do not repeat parameter override notice on debug_set_level()
  s390/debug: Fix NULL pointer dereference in debug_set_level()
  s390/pai: Support CPU hotplug for PMU PAI
  s390/pai: Move locking to event init and delete
  s390/pai: Use PAI PMU index as parameter replacing event
This commit is contained in:
Linus Torvalds 2026-09-12 16:22:25 -07:00
commit 2f0c1cf72f
7 changed files with 369 additions and 191 deletions
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