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wolfcrypt/src/sp_int.c: add pragma to sp_set() to suppress false positive -Warray-bounds on gcc-11.

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Daniel Pouzzner
2021-08-23 17:23:40 -05:00
parent 54b3f1b252
commit ed33315f25
1 changed files with 15 additions and 0 deletions
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15
wolfcrypt/src/sp_int.c
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@@ -2902,11 +2902,26 @@ int sp_set(sp_int* a, sp_int_digit d)
err = MP_VAL;
}
if (err == MP_OKAY) {
#if defined(__GNUC__)
#if __GNUC__ == 11
/* gcc-11 falsely reports out-of-bounds array access if the byte array
* backing the sp_int* is smaller than sizeof(sp_int), as occurs when
* WOLFSSL_SP_SMALL.
*/
_Pragma("GCC diagnostic push");
_Pragma("GCC diagnostic ignored \"-Warray-bounds\"");
#endif
#endif
a->dp[0] = d;
a->used = d > 0;
#ifdef WOLFSSL_SP_INT_NEGATIVE
a->sign = MP_ZPOS;
#endif
#if defined(__GNUC__)
#if __GNUC__ >= 11
_Pragma("GCC diagnostic pop");
#endif
#endif
}
return err;