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Fix pgtable walk return checks

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khanhduytran0
2026-06-04 19:38:23 +07:00
parent 1991ee5353
commit 8b16c1881e
1 changed files with 5 additions and 2 deletions
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src/payload_377bed/entry1_type0x09.m
+5 -2
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@@ -8702,6 +8702,7 @@ LABEL_427:
}
break;
}
v311 = 0;
v209 = pgtable_walk_wrapper(v5, v315 & ~v207, &name);
v10 = 163878;
if ( !v209 )
@@ -13708,6 +13709,7 @@ __int64 __fastcall pgtable_locked_kwrite32_retry(__int64 a1, __int64 a2, int a3)
__int64 v20; // [xsp+38h] [xbp-48h]
v18 = a3;
v20 = 0;
v5 = *(uint64_t *)(a1 + 7512);
v6 = *(uint64_t *)(a1 + 392);
if ( !(unsigned int)acquire_write_semaphore_lock(a1, 8u, 0x3A98u) )
@@ -13721,7 +13723,7 @@ __int64 __fastcall pgtable_locked_kwrite32_retry(__int64 a1, __int64 a2, int a3)
}
if ( (unsigned int)krw_read_thunk((struct_krwCtx *)a1, a2, 4, v17) )
{
pgtable_walk_wrapper(a1, a2 & ~*(uint64_t *)(a1 + 392), (__int64)v19);
v8 = pgtable_walk_wrapper(a1, a2 & ~*(uint64_t *)(a1 + 392), v19);
v7 = 0xFFFFFFFFLL;
if ( !v8 )
goto LABEL_19;
@@ -29911,9 +29913,10 @@ __int64 __fastcall pgtable_walk_and_physmap_remap(struct_krwCtx *a1, __int64 a2,
__int128 v13[3]; // [xsp+30h] [xbp-60h] BYREF
__int64 v14; // [xsp+60h] [xbp-30h]
v12 = 0;
v14 = 0;
memset(v13, 0, sizeof(v13));
pgtable_walk_wrapper((__int64)a1, a2 & ~a1->pageMask, (__int64)v11);
v6 = pgtable_walk_wrapper((__int64)a1, a2 & ~a1->pageMask, v11);
if ( !v6 )
return 0;
v7 = physmap_map_cached(a1, v12 & 0xFFFFFFFFC000LL, (__int64)v13);