Kernel panic when trying the example in README.md in a 6.6.130 virtual machine

Even after fixing #29 with #30 , there is another kernel panic while running the example in README
```
root@virtme-ng:/usr/local/google/home/biwa/projects/drk/core# sudo ./drk.py --run-locally
[ 48.477904] traps: PANIC: double fault, error_code: 0x0
[ 48.477989] double fault: 0000 [#1] PREEMPT SMP PTI
[ 48.477994] CPU: 12 PID: 0 Comm: swapper/12 Tainted: G O 6.6.130-virtme #1
[ 48.477997] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-debian-1.17.0-1 04/01/2014
[ 48.477999] RIP: 0010:0x0
[ 48.478007] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[ 48.478008] RSP: 0018:0000000000000000 EFLAGS: 00010002
[ 48.478011] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 48.478012] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 48.478013] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 48.478014] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 48.478015] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 48.478046] FS: 0000000000000000(0000) GS:ffff8e78bed00000(0000) knlGS:0000000000000000
[ 48.478048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.478050] CR2: ffffffffffffffd6 CR3: 0000000001a5e002 CR4: 0000000000370ee0
[ 48.478052] Call Trace:
[ 48.478053] Modules linked in: instrcount(O) dr_kernel_utils(O) dynamorio_controller(O) dynamorio(O)
[ 48.478061] ---[ end trace 0000000000000000 ]---
[ 48.478062] RIP: 0010:0x0
[ 48.478064] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[ 48.478065] RSP: 0018:0000000000000000 EFLAGS: 00010002
[ 48.478066] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 48.478067] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 48.478068] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 48.478069] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 48.478070] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 48.478071] FS: 0000000000000000(0000) GS:ffff8e78bed00000(0000) knlGS:0000000000000000
[ 48.478072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.478081] CR2: ffffffffffffffd6 CR3: 0000000001a5e002 CR4: 0000000000370ee0
[ 48.478085] Kernel panic - not syncing: Fatal exception in interrupt
[ 49.967768] Shutting down cpus with NMI
[ 49.969728] Kernel Offset: 0x36e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 49.976026] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---
```