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ca96022d6

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2023-01-05
SUCCESS Duration: 158s

Subject

ed: don't use memcpy with overlapping memory regions

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Architecture & Compiler Flags

Architecture: x86_64-linux-gnu Compiler: gcc (Ubuntu 11.4.0-1ubuntu1~22.04.3) 11.4.0

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Commit Diff GitHub →

editors/ed.c +1 -1
editors/ed.c+1 -1
@@ -720,7 +720,7 @@ static void subCommand(const char *cmd, int num1, int num2)
if (deltaLen <= 0) {
memcpy(&lp->data[offset], newStr, newLen);
if (deltaLen) {
- memcpy(&lp->data[offset + newLen],
+ memmove(&lp->data[offset + newLen],
&lp->data[offset + oldLen],
lp->len - offset - oldLen);