git/linux-cryptodev-2.6
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git synced 2026-04-18 03:23:53 -04:00
Code Issues Packages Projects Releases Wiki Activity

KVM: s390: Reject KVM_SET_GSI_ROUTING on ucontrol VMs

Browse Source 
Prevent null pointer dereference when processing
KVM_IRQ_ROUTING_S390_ADAPTER routing entries.
The ioctl cannot be processed for ucontrol VMs.

Fixes: f65470661f ("KVM: s390/interrupt: do not pin adapter interrupt pages")
Signed-off-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Tested-by: Hariharan Mari <hari55@linux.ibm.com>
Reviewed-by: Hariharan Mari <hari55@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Link: https://lore.kernel.org/r/20241216092140.329196-4-schlameuss@linux.ibm.com
Message-ID: <20241216092140.329196-4-schlameuss@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
This commit is contained in:
Christoph Schlameuss
2024-12-16 10:21:37 +01:00
committed by Claudio Imbrenda
parent b07f6a30c7
commit 5021fd77d6
2 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
Documentation/virt/kvm/api.rst
View File

@@ -1914,6 +1914,9 @@ No flags are specified so far, the corresponding field must be set to zero.
#define KVM_IRQ_ROUTING_HV_SINT 4
#define KVM_IRQ_ROUTING_XEN_EVTCHN 5
On s390, adding a KVM_IRQ_ROUTING_S390_ADAPTER is rejected on ucontrol VMs with
error -EINVAL.
flags:
- KVM_MSI_VALID_DEVID: used along with KVM_IRQ_ROUTING_MSI routing entry