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[RTL] Fix overflow case in vDbgPrintExWithPrefixInternal

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The string should always be NULL terminated.
This commit is contained in:
Timo Kreuzer 2024-08-21 11:05:09 +03:00
parent f80d978fc0
commit 3cddd76f57
1 changed files with 3 additions and 2 deletions
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5
sdk/lib/rtl/debug.c
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@ -102,10 +102,11 @@ vDbgPrintExWithPrefixInternal(IN PCCH Prefix,
if (Length == MAXULONG) if (Length == MAXULONG)
{ {
/* Terminate it if we went over-board */ /* Terminate it if we went over-board */
Buffer[sizeof(Buffer) - 1] = '\n'; Buffer[sizeof(Buffer) - 2] = '\n';
Buffer[sizeof(Buffer) - 1] = '\0';
/* Put maximum */ /* Put maximum */
Length = sizeof(Buffer); Length = sizeof(Buffer) - 1;
} }
else else
{ {