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[NTOS:KD] Handle work-buffer allocation failure in KdpDebugLogInit. It can be ignored in KdpScreenInit.

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Hermès Bélusca-Maïto 2022-11-18 18:08:21 +01:00
parent 271b985981
commit ffe3109d37
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1 changed files with 12 additions and 3 deletions
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15
ntoskrnl/kd/kdio.c
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@ -237,7 +237,14 @@ KdpDebugLogInit(PKD_DISPATCH_TABLE DispatchTable,
else if (BootPhase == 1)
{
/* Allocate a buffer for debug log */
KdpDebugBuffer = ExAllocatePool(NonPagedPool, KdpBufferSize);
KdpDebugBuffer = ExAllocatePoolZero(NonPagedPool,
KdpBufferSize,
TAG_KDBG);
if (!KdpDebugBuffer)
{
KdpDebugMode.File = FALSE;
return;
}
KdpFreeBytes = KdpBufferSize;
/* Initialize spinlock */
@ -519,8 +526,10 @@ KdpScreenInit(PKD_DISPATCH_TABLE DispatchTable,
/* Allocate a buffer for dmesg log buffer. +1 for terminating null,
* see kdbp_cli.c:KdbpCmdDmesg()/2
*/
KdpDmesgBuffer = ExAllocatePool(NonPagedPool, KdpDmesgBufferSize + 1);
RtlZeroMemory(KdpDmesgBuffer, KdpDmesgBufferSize + 1);
KdpDmesgBuffer = ExAllocatePoolZero(NonPagedPool,
KdpDmesgBufferSize + 1,
TAG_KDBG);
/* Ignore failure if KdpDmesgBuffer is NULL */
KdpDmesgFreeBytes = KdpDmesgBufferSize;
KdbDmesgTotalWritten = 0;