mirrors/reactos
0
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-11-23 19:43:31 +08:00
Code Issues Packages Projects Releases Wiki Activity

[NTOS/Mm] Fix SWAPENTRY bit-check in MmCreatePageFileMapping

Browse Source 
Test for the highest bit, not for bit 3 / 7.
This commit is contained in:
Timo Kreuzer 2023-01-04 23:17:57 +02:00
parent 058b746bbe
commit 03283371c1
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
ntoskrnl/mm/i386/page.c
View File

@ -598,7 +598,7 @@ MmCreatePageFileMapping(PEPROCESS Process,
/* And we don't support creating for other process */
ASSERT(Process == PsGetCurrentProcess());
if (SwapEntry & (1 << (sizeof(SWAPENTRY) - 1)))
if (SwapEntry & ((ULONG_PTR)1 << (RTL_BITS_OF(SWAPENTRY) - 1)))
{
KeBugCheck(MEMORY_MANAGEMENT);
}