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Fix alignment errors in hashtable fuzzer 

we extract several values (uint16_t and uint64_t from the fuzzer buff
passed in, but they weren't aligned on 2 and 8 byte boundaries.  Adjust
the fuzzer to memcpy data to the target variables to avoid unalignment
issues

Fixes #24272

Reviewed-by: Paul Dale <ppzgs1@gmail.com>
Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
(Merged from https://github.com/openssl/openssl/pull/24276)
This commit is contained in:
Neil Horman 2024-04-26 12:38:38 -04:00 committed by Tomas Mraz
parent 2d29a8a7e8
commit c04901be78
1 changed files with 2 additions and 2 deletions
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4
fuzz/hashtable.c
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@ -142,7 +142,7 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
* parse out our operation flags and key
*/
op_flags = buf[0];
keyval = *((uint16_t *)&buf[1]);
memcpy(&keyval, &buf[1], sizeof(uint16_t));
/*
* Initialize our key
@ -177,7 +177,7 @@ int FuzzerTestOneInput(const uint8_t *buf, size_t len)
rc_prediction = 0;
}
valptr->value = *(uint64_t *)&buf[3];
memcpy(&valptr->value, &buf[3], sizeof(uint64_t));
/*
* do the insert/replace
*/