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Avoid unsigned overflow/truncation from bad offset values in invalid object files

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Rangi
2026-07-13 13:17:09 -04:00
parent 21eaa2d2cc
commit 66312f55dd
1 changed files with 1 additions and 1 deletions
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src/link/patch.cpp
+1 -1
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@@ -550,7 +550,7 @@ static void applyFilePatches(Section &section, Section &dataSection) {
verbosePrint(VERB_INFO, "Patching section \"%s\"...\n", section.name.c_str()); verbosePrint(VERB_INFO, "Patching section \"%s\"...\n", section.name.c_str());
for (Patch &patch : section.patches) { for (Patch &patch : section.patches) {
int32_t value = computeRPNExpr(patch, *section.fileSymbols); int32_t value = computeRPNExpr(patch, *section.fileSymbols);
uint16_t offset = patch.offset + section.offset; uint32_t offset = patch.offset + section.offset;
uint8_t typeSizes[PATCHTYPE_INVALID] = { uint8_t typeSizes[PATCHTYPE_INVALID] = {
1, // PATCHTYPE_BYTE 1, // PATCHTYPE_BYTE