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* [PATCH 0/2] crypto/ccp: Properly NULL variables on sev exit
@ 2020-03-03 13:57 John Allen
  2020-03-03 13:57 ` [PATCH 1/2] crypto/ccp: Cleanup misc_dev on sev_exit() John Allen
                   ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: John Allen @ 2020-03-03 13:57 UTC (permalink / raw)
  To: linux-crypto
  Cc: thomas.lendacky, herbert, davem, brijesh.singh, bp, linux-kernel,
	John Allen

Stale pointers left in static variables misc_dev and sp_dev_master will
trigger use-after-free error when DEBUG_TEST_DRIVER_REMOVE is configured.
                                                                                 
John Allen (2):
  crypto/ccp: Cleanup misc_dev on sev exit
  crypto/ccp: Cleanup sp_dev_master on psp device destroy

 drivers/crypto/ccp/psp-dev.c | 3 +++
 drivers/crypto/ccp/sev-dev.c | 6 +++---
 drivers/crypto/ccp/sp-dev.h  | 1 +
 drivers/crypto/ccp/sp-pci.c  | 9 +++++++++
 4 files changed, 16 insertions(+), 3 deletions(-)

-- 
2.18.2


^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2020-03-12 12:38 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-03-03 13:57 [PATCH 0/2] crypto/ccp: Properly NULL variables on sev exit John Allen
2020-03-03 13:57 ` [PATCH 1/2] crypto/ccp: Cleanup misc_dev on sev_exit() John Allen
2020-03-06 15:56   ` Tom Lendacky
2020-03-03 13:57 ` [PATCH 2/2] crypto/ccp: Cleanup sp_dev_master in psp_dev_destroy() John Allen
2020-03-06 15:57   ` Tom Lendacky
2020-03-12 12:38 ` [PATCH 0/2] crypto/ccp: Properly NULL variables on sev exit Herbert Xu

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