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buffer: use size_t instead of uint32_t to avoid segmentation fault #48033

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merged 6 commits into from
May 11, 2024
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buffer: use size_t instead of uint32_t to avoid segmentation fault #48033

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ef83723
buffer: use size_t instead of uint32_t to avoid segmentation fault
Xstoudi May 16, 2023
855fd36
fix: fix another potential overflow
Xstoudi May 25, 2023
ca4471a
fix: remove blankline
Xstoudi May 25, 2023
98d8590
fix: format cpp
Xstoudi May 25, 2023
d80d6ca
Apply suggestions from code review
jasnell Dec 23, 2023
62f99dc
format_cpp
aduh95 May 11, 2024
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4 changes: 2 additions & 2 deletions src/string_bytes.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -627,11 +627,11 @@ size_t StringBytes::hex_encode(
char* dst,
size_t dlen) {
// We know how much we'll write, just make sure that there's space.
CHECK(dlen >= slen * 2 &&
CHECK(dlen >= MultiplyWithOverflowCheck<size_t>(slen, 2u) &&
"not enough space provided for hex encode");
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dlen = slen * 2;
for (uint32_t i = 0, k = 0; k < dlen; i += 1, k += 2) {
for (size_t i = 0, k = 0; k < dlen; i += 1, k += 2) {
static const char hex[] = "0123456789abcdef";
uint8_t val = static_cast<uint8_t>(src[i]);
dst[k + 0] = hex[val >> 4];
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