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Merge branch '3787-siphash-c-105-26-runtime-error-applying-zero-offset-to-null-pointer' into 'main'

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Resolve "siphash.c:105:26: runtime error: applying zero offset to null pointer"

Closes #3787

See merge request isc-projects/bind9!7339
This commit is contained in:
Mark Andrews 2023-01-10 07:22:37 +00:00
commit 6734b0f063
1 changed files with 8 additions and 2 deletions
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10
lib/isc/siphash.c
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@ -78,6 +78,7 @@ isc_siphash24(const uint8_t *k, const uint8_t *in, const size_t inlen,
bool case_sensitive, uint8_t *out) {
REQUIRE(k != NULL);
REQUIRE(out != NULL);
REQUIRE(inlen == 0 || in != NULL);
uint64_t k0 = ISC_U8TO64_LE(k);
uint64_t k1 = ISC_U8TO64_LE(k + 8);
@ -89,7 +90,9 @@ isc_siphash24(const uint8_t *k, const uint8_t *in, const size_t inlen,
uint64_t b = ((uint64_t)inlen) << 56;
const uint8_t *end = in + inlen - (inlen % sizeof(uint64_t));
const uint8_t *end = (in == NULL)
? NULL
: in + inlen - (inlen % sizeof(uint64_t));
const size_t left = inlen & 7;
for (; in != end; in += 8) {
@ -158,6 +161,7 @@ isc_halfsiphash24(const uint8_t *k, const uint8_t *in, const size_t inlen,
bool case_sensitive, uint8_t *out) {
REQUIRE(k != NULL);
REQUIRE(out != NULL);
REQUIRE(inlen == 0 || in != NULL);
uint32_t k0 = ISC_U8TO32_LE(k);
uint32_t k1 = ISC_U8TO32_LE(k + 4);
@ -169,7 +173,9 @@ isc_halfsiphash24(const uint8_t *k, const uint8_t *in, const size_t inlen,
uint32_t b = ((uint32_t)inlen) << 24;
const uint8_t *end = in + inlen - (inlen % sizeof(uint32_t));
const uint8_t *end = (in == NULL)
? NULL
: in + inlen - (inlen % sizeof(uint32_t));
const int left = inlen & 3;
for (; in != end; in += 4) {