https://git.reactos.org/?p=reactos.git;a=commitdiff;h=857dd4ae36a55f8dcf122d904ee6993199909d8a
commit 857dd4ae36a55f8dcf122d904ee6993199909d8a Author: Jérôme Gardou <jerome.gar...@reactos.org> AuthorDate: Mon Dec 7 10:22:28 2020 +0100 Commit: Jérôme Gardou <jerome.gar...@reactos.org> CommitDate: Tue Feb 2 10:17:28 2021 +0100 [NTOS:MM] Properly handle the 1-offset of paging files --- ntoskrnl/mm/pagefile.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/ntoskrnl/mm/pagefile.c b/ntoskrnl/mm/pagefile.c index b7d8c83e54e..37870520998 100644 --- a/ntoskrnl/mm/pagefile.c +++ b/ntoskrnl/mm/pagefile.c @@ -189,7 +189,7 @@ NTSTATUS NTAPI MmReadFromSwapPage(SWAPENTRY SwapEntry, PFN_NUMBER Page) { - return MiReadPageFile(Page, FILE_FROM_ENTRY(SwapEntry), OFFSET_FROM_ENTRY(SwapEntry) - 1); + return MiReadPageFile(Page, FILE_FROM_ENTRY(SwapEntry), OFFSET_FROM_ENTRY(SwapEntry)); } NTSTATUS @@ -215,6 +215,9 @@ MiReadPageFile( return(STATUS_UNSUCCESSFUL); } + /* Normalize offset. */ + PageFileOffset--; + ASSERT(PageFileIndex < MAX_PAGING_FILES); PagingFile = MmPagingFile[PageFileIndex];