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KVM: s390: pv: Fix rc/rrc offset for PVM_DUMP

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The rc/rrc value is copied to the cmd location of the cmd in the kvm_pv_cmd
structure. Fix the offset.

Fixes: 8aba09588d ("KVM: s390: Add CPU dump functionality")
Cc: stable@vger.kernel.org
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Message-ID: <20260811153738.206885-4-borntraeger@linux.ibm.com>
This commit is contained in:
Christian Borntraeger 2026-08-11 17:37:37 +02:00 committed by Claudio Imbrenda
parent 34d5b5b646
commit 1e3c8e7b34
1 changed files with 1 additions and 1 deletions
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2
arch/s390/kvm/kvm-s390.c
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@ -5736,7 +5736,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
r = kvm_s390_handle_pv_vcpu_dump(vcpu, &cmd);
/* Always copy over UV rc / rrc data */
if (copy_to_user((__u8 __user *)argp, &cmd.rc,
if (copy_to_user(argp + offsetof(struct kvm_pv_cmd, rc), &cmd.rc,
sizeof(cmd.rc) + sizeof(cmd.rrc)))
r = -EFAULT;
break;