diff options
| author | Alexander Potapenko <glider@google.com> | 2025-11-24 12:09:16 +0100 |
|---|---|---|
| committer | Alexander Potapenko <glider@google.com> | 2025-11-24 17:06:13 +0000 |
| commit | 64219f1537429ca826770c4d6f3d49ee6964d16c (patch) | |
| tree | 7f6f3452eb5d6aab7089d420b410c103a1f2244c /sys/linux/dev_kvm_amd64.txt | |
| parent | 718d1e1a0b5ba1e8129ad1466452c397ed1e3c94 (diff) | |
sys/linux: apply no_squash to certain KVM ioctls
For the following KVM ioctls:
- KVM_SET_GSI_ROUTING
- KVM_SET_SIGNAL_MASK
- KVM_SET_MSRS
- KVM_SET_CPUID
- KVM_SET_CPUID2
syzkaller is generating squashed blobs, which are less likely to provoke
any interesting behaviors.
Apply the no_squash attribute to these ioctls to have better understanding
of these ioctls' inputs.
Diffstat (limited to 'sys/linux/dev_kvm_amd64.txt')
| -rw-r--r-- | sys/linux/dev_kvm_amd64.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/linux/dev_kvm_amd64.txt b/sys/linux/dev_kvm_amd64.txt index 9d1b6fdfc..19a5c841c 100644 --- a/sys/linux/dev_kvm_amd64.txt +++ b/sys/linux/dev_kvm_amd64.txt @@ -534,11 +534,11 @@ ioctl$KVM_TRANSLATE(fd fd_kvmcpu, cmd const[KVM_TRANSLATE], arg ptr[inout, kvm_t # KVM_GET_MSRS can be both a system and a vcpu ioctl: https://docs.kernel.org/virt/kvm/api.html#kvm-get-msrs ioctl$KVM_GET_MSRS_sys(fd fd_kvm, cmd const[KVM_GET_MSRS], arg ptr[inout, kvm_msrs]) ioctl$KVM_GET_MSRS_cpu(fd fd_kvmcpu, cmd const[KVM_GET_MSRS], arg ptr[inout, kvm_msrs]) -ioctl$KVM_SET_MSRS(fd fd_kvmcpu, cmd const[KVM_SET_MSRS], arg ptr[in, kvm_msrs]) -ioctl$KVM_SET_CPUID(fd fd_kvmcpu, cmd const[KVM_SET_CPUID], arg ptr[in, kvm_cpuid]) +ioctl$KVM_SET_MSRS(fd fd_kvmcpu, cmd const[KVM_SET_MSRS], arg ptr[in, kvm_msrs]) (no_squash) +ioctl$KVM_SET_CPUID(fd fd_kvmcpu, cmd const[KVM_SET_CPUID], arg ptr[in, kvm_cpuid]) (no_squash) # NEED: we should be able to read kvm_cpuid2 with KVM_GET_CPUID2, alter few bits and then call KVM_SET_CPUID2 with that object. ioctl$KVM_GET_CPUID2(fd fd_kvmcpu, cmd const[KVM_GET_CPUID2], arg ptr[out, kvm_cpuid2]) -ioctl$KVM_SET_CPUID2(fd fd_kvmcpu, cmd const[KVM_SET_CPUID2], arg ptr[in, kvm_cpuid2]) +ioctl$KVM_SET_CPUID2(fd fd_kvmcpu, cmd const[KVM_SET_CPUID2], arg ptr[in, kvm_cpuid2]) (no_squash) ioctl$KVM_GET_SUPPORTED_CPUID(fd fd_kvm, cmd const[KVM_GET_SUPPORTED_CPUID], arg ptr[inout, kvm_cpuid2]) # KVM_GET_SUPPORTED_HV_CPUID is both a system and a vcpu ioctl: https://docs.kernel.org/virt/kvm/api.html#kvm-get-supported-hv-cpuid ioctl$KVM_GET_SUPPORTED_HV_CPUID_sys(fd fd_kvm, cmd const[KVM_GET_SUPPORTED_HV_CPUID], arg ptr[inout, kvm_cpuid2]) |