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Alexander Egorenkov 0346f8a2c5 s390/sclp: fix Secure-IPL facility detection

commit d76b14f397 upstream.

Prevent out-of-range access if the returned SCLP SCCB response is smaller
in size than the address of the Secure-IPL flag.

Fixes: c9896acc78 ("s390/ipl: Provide has_secure sysfs attribute")
Cc: stable@vger.kernel.org # 5.2+
Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2021-09-22 12:27:56 +02:00

block

s390/dasd: fix hanging IO request during DASD driver unbind

2021-03-17 17:06:28 +01:00

char

s390/sclp: fix Secure-IPL facility detection

2021-09-22 12:27:56 +02:00

cio

s390/qdio: cancel the ESTABLISH ccw after timeout

2021-09-18 13:40:09 +02:00

crypto

s390/ap: fix state machine hang after failure to enable irq