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kernel-aes67/arch/s390/kvm
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Jean-Philippe Brucker 175f2f5bcd KVM: s390: Check kvm pointer when testing KVM_CAP_S390_HPAGE_1M 
KVM allows issuing the KVM_CHECK_EXTENSION ioctl either on the /dev/kvm
fd or the VM fd. In the first case, kvm_vm_ioctl_check_extension() is
called with kvm==NULL. Ensure we don't dereference the pointer in that
case.

Fixes: 40ebdb8e59 ("KVM: s390: Make huge pages unavailable in ucontrol VMs")
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Message-ID: <20240419160723.320910-2-jean-philippe@linaro.org>
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
 		2024-05-02 09:41:38 +02:00
..
Kconfig treewide: remove CONFIG_HAVE_KVM 2024-02-08 08:45:36 -05:00
Makefile
…
diag.c KVM: s390: Refactor kvm_is_error_gpa() into kvm_is_gpa_in_memslot() 2024-02-20 07:37:45 -08:00
gaccess.c S390: 2024-03-15 13:03:13 -07:00
gaccess.h KVM: s390: Extend MEM_OP ioctl by storage key checked cmpxchg 2023-02-07 18:06:00 +01:00
guestdbg.c KVM: s390: Harden copying of userspace-array against overflow 2023-12-01 08:00:42 -08:00
intercept.c - PV crypto passthrough enablement (Tony, Steffen, Viktor, Janosch) 2023-08-31 13:21:27 -04:00
interrupt.c S390: 2024-03-15 13:03:13 -07:00
kvm-s390.c KVM: s390: Check kvm pointer when testing KVM_CAP_S390_HPAGE_1M 2024-05-02 09:41:38 +02:00
kvm-s390.h KVM: s390: introduce kvm_s390_fpu_(store|load) 2024-02-21 15:09:13 +01:00
pci.c s390: fix various typos 2023-07-03 11:19:42 +02:00
pci.h KVM: s390: Mark __kvm_s390_init() and its descendants as __init 2022-12-29 15:41:22 -05:00
priv.c KVM: s390: Refactor kvm_is_error_gpa() into kvm_is_gpa_in_memslot() 2024-02-20 07:37:45 -08:00
pv.c - PV crypto passthrough enablement (Tony, Steffen, Viktor, Janosch) 2023-08-31 13:21:27 -04:00
sigp.c KVM: s390: Refactor kvm_is_error_gpa() into kvm_is_gpa_in_memslot() 2024-02-20 07:37:45 -08:00
trace-s390.h KVM: s390: add tracepoint in gmap notifier 2023-10-16 14:54:29 +02:00
trace.h
…
vsie.c s390 updates for 6.9 merge window 2024-03-12 10:14:22 -07:00