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[NTOS:KE] Fix buffer overflow when displaying x64 bug checks

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Thomas Faber 2022-01-03 10:15:57 -05:00
parent 2a2f8dbebd
commit a4b2c80853
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1 changed files with 9 additions and 8 deletions
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5
ntoskrnl/ke/bug.c
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@ -611,7 +611,7 @@ KiDisplayBlueScreen(IN ULONG MessageId,
IN PCHAR HardErrMessage OPTIONAL, IN PCHAR HardErrMessage OPTIONAL,
IN PCHAR Message) IN PCHAR Message)
{ {
CHAR AnsiName[75]; CHAR AnsiName[107];
/* Check if bootvid is installed */ /* Check if bootvid is installed */
if (InbvIsBootDriverInstalled()) if (InbvIsBootDriverInstalled())
@ -676,7 +676,8 @@ KiDisplayBlueScreen(IN ULONG MessageId,
KeGetBugMessageText(BUGCHECK_TECH_INFO, NULL); KeGetBugMessageText(BUGCHECK_TECH_INFO, NULL);
/* Show the technical Data */ /* Show the technical Data */
sprintf(AnsiName, RtlStringCbPrintfA(AnsiName,
sizeof(AnsiName),
"\r\n\r\n*** STOP: 0x%08lX (0x%p,0x%p,0x%p,0x%p)\r\n\r\n", "\r\n\r\n*** STOP: 0x%08lX (0x%p,0x%p,0x%p,0x%p)\r\n\r\n",
(ULONG)KiBugCheckData[0], (ULONG)KiBugCheckData[0],
(PVOID)KiBugCheckData[1], (PVOID)KiBugCheckData[1],