diff options
| author | Alexander Potapenko <glider@google.com> | 2025-09-26 17:33:06 +0200 |
|---|---|---|
| committer | Alexander Potapenko <glider@google.com> | 2025-10-17 06:51:20 +0000 |
| commit | 8437e9b3412387dade0961faf0c3616de3903d91 (patch) | |
| tree | e5ad3c0b70fff5df0f4767037a52acb85b357cd8 /sys | |
| parent | 1bf5eb12ff86ff72f837a79ea186d4391edd4214 (diff) | |
sys/linux/test: add amd64-syz_kvm_setup_syzos_vm-default_irq_handler
Verify that the default IRQ handler correctly handles an injected
interrupt.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/linux/test/amd64-syz_kvm_setup_syzos_vm-default_irq_handler | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/sys/linux/test/amd64-syz_kvm_setup_syzos_vm-default_irq_handler b/sys/linux/test/amd64-syz_kvm_setup_syzos_vm-default_irq_handler new file mode 100644 index 000000000..b7ef63f8c --- /dev/null +++ b/sys/linux/test/amd64-syz_kvm_setup_syzos_vm-default_irq_handler @@ -0,0 +1,26 @@ +# +# requires: arch=amd64 -threaded +# +r0 = openat$kvm(0, &AUTO='/dev/kvm\x00', 0x0, 0x0) +r1 = ioctl$KVM_CREATE_VM(r0, AUTO, 0x0) +r2 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil) +# +# Set an IRQ handler for vector 0x80. +# +r3 = syz_kvm_add_vcpu$x86(r2, &AUTO={0x0, &AUTO=[@uexit={AUTO, AUTO, 0xaaaa}, @uexit={AUTO, AUTO, 0xbbbb}], AUTO}) +r4 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, AUTO) +r5 = mmap$KVM_VCPU(&(0x7f0000009000/0x1000)=nil, r4, 0x3, 0x1, r3, 0x0) + +# Run till the first uexit. +# +ioctl$KVM_RUN(r3, AUTO, 0x0) +syz_kvm_assert_syzos_uexit$x86(r5, 0xaaaa) + +# Inject interrupt 0x80. +# +ioctl$KVM_INTERRUPT(r3, AUTO, &AUTO=0x80) +ioctl$KVM_RUN(r3, AUTO, 0x0) + +# Run till the second uexit. +# +syz_kvm_assert_syzos_uexit$x86(r5, 0xbbbb) |