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virtio_scsi: avoid unbounded stack usage in ExecuteRequest().

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This commit is contained in:
Jérôme Duval
2018-04-11 23:45:50 +00:00
committed by waddlesplash
parent 48c1ae929e
commit 4b588b36ad
1 changed files with 3 additions and 1 deletions
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src/add-ons/kernel/busses/scsi/virtio/VirtioSCSIController.cpp
+3 -1
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@@ -6,6 +6,8 @@
#include "VirtioSCSIPrivate.h" #include "VirtioSCSIPrivate.h"
#include <StackOrHeapArray.h>
#include <new> #include <new>
#include <stdlib.h> #include <stdlib.h>
#include <strings.h> #include <strings.h>
@@ -207,7 +209,7 @@ VirtioSCSIController::ExecuteRequest(scsi_ccb *ccb)
uint32 inCount = (isIn ? ccb->sg_count : 0) + 1; uint32 inCount = (isIn ? ccb->sg_count : 0) + 1;
uint32 outCount = (isOut ? ccb->sg_count : 0) + 1; uint32 outCount = (isOut ? ccb->sg_count : 0) + 1;
physical_entry entries[inCount + outCount]; BStackOrHeapArray<physical_entry, 16> entries(inCount + outCount);
fRequest->FillRequest(inCount, outCount, entries); fRequest->FillRequest(inCount, outCount, entries);
{ {