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[NTOSKRNL] Properly check for negative values in IoCheckEaBufferValidity()

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CID 1441355, 1441382
This commit is contained in:
Pierre Schweitzer 2018-11-16 21:12:10 +01:00
parent 402c983094
commit a0c33934fc
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GPG key ID: 7545556C3D585B0B
1 changed files with 2 additions and 2 deletions
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4
ntoskrnl/io/iomgr/util.c
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@ -228,7 +228,7 @@ IoCheckEaBufferValidity(IN PFILE_FULL_EA_INFORMATION EaBuffer,
if (NextEntryOffset == 0)
{
/* If we don't overflow! */
if (EaLength - ComputedLength < 0)
if ((LONG)(EaLength - ComputedLength) < 0)
{
goto FailPath;
}
@ -243,7 +243,7 @@ IoCheckEaBufferValidity(IN PFILE_FULL_EA_INFORMATION EaBuffer,
}
/* Check next entry offset value is positive */
if (NextEntryOffset < 0)
if ((LONG)NextEntryOffset < 0)
{
goto FailPath;
}