s390/pkey: Wipe sensitive data on failure

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[ Upstream commit 1d8c270de5 ]

Wipe sensitive data from stack also if the copy_to_user() fails.

Suggested-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Ingo Franzki <ifranzki@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Holger Dengler <dengler@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Holger Dengler 2024-05-07 17:03:18 +02:00 • committed by Greg Kroah-Hartman

parent d0bbbf3146

commit 90a01aefb8

1 changed files with 2 additions and 2 deletions

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drivers/s390/crypto/pkey_api.c

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