diff options
| author | Marios Pomonis <pomonis@google.com> | 2025-04-01 01:43:18 -0700 |
|---|---|---|
| committer | Alexander Potapenko <glider@google.com> | 2025-04-23 08:29:55 +0000 |
| commit | 3b7466b943b5126cb450f32b99d54bfb536e510d (patch) | |
| tree | ad98a52e5befbd868768e3f0ce48c2728b46063d /executor/kvm.h | |
| parent | 79edc45e0ef45be0eb57b66f8a87d69953e0abf3 (diff) | |
executor/kvm: add x86-64 SYZOS fuzzer
This commit adds the actual SyzOS fuzzer for x86-64 and a small test. It
also updates some necessary parts of the ARM version and adds some glue
for i386.
Diffstat (limited to 'executor/kvm.h')
| -rw-r--r-- | executor/kvm.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/executor/kvm.h b/executor/kvm.h index df89d9fb6..056f8ae65 100644 --- a/executor/kvm.h +++ b/executor/kvm.h @@ -2,6 +2,7 @@ // Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. #define X86_ADDR_TEXT 0x0000 +#define X86_ADDR_PD_IOAPIC 0x0000 #define X86_ADDR_GDT 0x1000 #define X86_ADDR_LDT 0x1800 #define X86_ADDR_PML4 0x2000 @@ -31,6 +32,17 @@ #define X86_ADDR_VAR_VMEXIT_CODE 0x9000 #define X86_ADDR_VAR_USER_CODE 0x9100 #define X86_ADDR_VAR_USER_CODE2 0x9120 +#define X86_ADDR_SMRAM 0x30000 +// Write to this page to trigger a page fault and stop KVM_RUN. +#define X86_ADDR_EXIT 0x40000 +// Dedicated address within the exit page for the uexit command. +#define X86_ADDR_UEXIT (X86_ADDR_EXIT + 256) +#define X86_ADDR_DIRTY_PAGES 0x41000 +#define X86_ADDR_USER_CODE 0x50000 +#define X86_ADDR_EXECUTOR_CODE 0x54000 +#define X86_ADDR_SCRATCH_CODE 0x58000 +#define X86_ADDR_UNUSED 0x200000 +#define X86_ADDR_IOAPIC 0xfec00000 #define X86_CR0_PE 1ULL #define X86_CR0_MP (1ULL << 1) @@ -138,6 +150,9 @@ #define KVM_GUEST_MEM_SIZE (1024 * KVM_PAGE_SIZE) #define SZ_4K 0x00001000 #define SZ_64K 0x00010000 +#define GENMASK_ULL(h, l) \ + (((~0ULL) - (1ULL << (l)) + 1ULL) & \ + (~0ULL >> (63 - (h)))) // GICv3 distributor address. #define ARM64_ADDR_GICD_BASE 0x08000000 |