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(parent: e8fd835) | patch
s390/zcrypt: add copy_from_user length plausibility checks
authorHarald Freudenberger <freude@linux.ibm.com>
Wed, 27 Jun 2018 07:50:43 +0000 (09:50 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 2 Jul 2018 09:24:55 +0000 (11:24 +0200)
commite4edaa9fd4d044063d7916d829c877c8b4af33ec
tree7a489dfd2bb1be1eb443b239410eb901689eca58tree | snapshot
parente8fd8354c2ab73f14902fd28ce71c6af702224e7commit | diff
s390/zcrypt: add copy_from_user length plausibility checks

There have been identified some places in the zcrypt
device driver where copy_from_user() is called but the
length value is not explicitly checked.

So now some plausibility checks and comments have been
introduced there.

Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/crypto/zcrypt_cca_key.h diff | blob | history
drivers/s390/crypto/zcrypt_msgtype6.c diff | blob | history
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