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unit: correct memcpy overrun in test-dpp

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The memcpy in HEX2BUF was copying the length of the buffer that was
passed in, not the actual length of the converted hexstring. This
test was segfaulting in the Alpine CI which uses clang/musl.
This commit is contained in:
James Prestwood 2023-10-25 15:42:24 -07:00 committed by Denis Kenzior
parent 49b9eae18c
commit 3e0e31544e
1 changed files with 3 additions and 2 deletions
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unit/test-dpp.c
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@ -183,8 +183,9 @@ const char *r_asn1 = "3039301306072a8648ce3d020106082a8648ce3d0301070322000209c5
"4df9fd25a045201885c39cc5cfae397ddaeda957dec57fa0e3503f";
#define HEX2BUF(s, buf, _len) { \
unsigned char *_tmp = l_util_from_hexstring(s, NULL); \
memcpy(buf, _tmp, _len); \
size_t _len_out; \
unsigned char *_tmp = l_util_from_hexstring(s, &_len_out); \
memcpy(buf, _tmp, _len_out); \
l_free(_tmp); \
}