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fix some oss-fuzz (#1259)

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* fix oss-fuzz 22107.

* fix oss-fuzz 22112.

* clean up build target.

* fix oss-fuzz 22226.

* fix oss-fuzz 22227.

* fix oss-fuzz 11640.

* fix oss-fuzz 20772.

* remove warning.

* fix oss-fuzz 10459.
This commit is contained in:
Chen Huitao 2020-05-22 21:58:39 +08:00 committed by GitHub
parent 216c348c35
commit 17cfef0e56
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 22 additions and 1 deletions
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17
qemu/fpu/softfloat.c
View File

@ -124,7 +124,9 @@ static int32 roundAndPackInt32( flag zSign, uint64_t absZ STATUS_PARAM)
roundIncrement = zSign ? 0x7f : 0;
break;
default:
roundIncrement = 0;
float_raise(float_flag_invalid STATUS_VAR);
break;
}
roundBits = absZ & 0x7F;
absZ = ( absZ + roundIncrement )>>7;
@ -175,7 +177,9 @@ static int64 roundAndPackInt64( flag zSign, uint64_t absZ0, uint64_t absZ1 STATU
increment = zSign && absZ1;
break;
default:
increment = 0;
float_raise(float_flag_invalid STATUS_VAR);
break;
}
if ( increment ) {
++absZ0;
@ -229,7 +233,9 @@ static int64 roundAndPackUint64(flag zSign, uint64_t absZ0,
increment = zSign && absZ1;
break;
default:
increment = 0;
float_raise(float_flag_invalid STATUS_VAR);
break;
}
if (increment) {
++absZ0;
@ -568,6 +574,7 @@ static float64 roundAndPackFloat64(flag zSign, int_fast16_t zExp, uint64_t zSig
break;
default:
float_raise(float_flag_invalid STATUS_VAR);
break;
}
roundBits = zSig & 0x3FF;
if ( 0x7FD <= (uint16_t) zExp ) {
@ -752,6 +759,7 @@ static floatx80
break;
default:
float_raise(float_flag_invalid STATUS_VAR);
break;
}
roundBits = zSig0 & roundMask;
if ( 0x7FFD <= (uint32_t) ( zExp - 1 ) ) {
@ -814,6 +822,7 @@ static floatx80
break;
default:
float_raise(float_flag_invalid STATUS_VAR);
break;
}
if ( 0x7FFD <= (uint32_t) ( zExp - 1 ) ) {
if ( ( 0x7FFE < zExp )
@ -859,6 +868,7 @@ static floatx80
break;
default:
float_raise(float_flag_invalid STATUS_VAR);
break;
}
if ( increment ) {
++zSig0;
@ -1074,6 +1084,7 @@ static float128
break;
default:
float_raise(float_flag_invalid STATUS_VAR);
break;
}
if ( 0x7FFD <= (uint32_t) zExp ) {
if ( ( 0x7FFD < zExp )
@ -1137,6 +1148,7 @@ static float128
break;
default:
float_raise(float_flag_invalid STATUS_VAR);
break;
}
}
}
@ -1857,6 +1869,7 @@ float32 float32_round_to_int( float32 a STATUS_PARAM)
break;
default:
float_raise(float_flag_invalid STATUS_VAR);
break;
}
z &= ~ roundBitsMask;
if ( z != float32_val(a) ) STATUS(float_exception_flags) |= float_flag_inexact;
@ -3589,6 +3602,7 @@ float64 float64_round_to_int( float64 a STATUS_PARAM )
break;
default:
float_raise(float_flag_invalid STATUS_VAR);
break;
}
z &= ~ roundBitsMask;
if ( z != float64_val(a) )
@ -4937,6 +4951,7 @@ floatx80 floatx80_round_to_int( floatx80 a STATUS_PARAM )
break;
default:
float_raise(float_flag_invalid STATUS_VAR);
break;
}
z.low &= ~ roundBitsMask;
if ( z.low == 0 ) {
@ -6058,6 +6073,7 @@ float128 float128_round_to_int( float128 a STATUS_PARAM )
break;
default:
float_raise(float_flag_invalid STATUS_VAR);
break;
}
z.low &= ~ roundBitsMask;
}
@ -6122,6 +6138,7 @@ float128 float128_round_to_int( float128 a STATUS_PARAM )
break;
default:
float_raise(float_flag_invalid STATUS_VAR);
break;
}
z.high &= ~ roundBitsMask;
}

6
qemu/target-arm/translate-a64.c
View File

@ -883,6 +883,7 @@ static void write_vec_element(DisasContext *s, TCGv_i64 tcg_src, int destidx,
{
TCGContext *tcg_ctx = s->uc->tcg_ctx;
int vect_off = vec_reg_offset(s, destidx, element, memop & MO_SIZE);
CPUState *cs;
switch (memop) {
case MO_8:
tcg_gen_st8_i64(tcg_ctx, tcg_src, tcg_ctx->cpu_env, vect_off);
@ -897,7 +898,10 @@ static void write_vec_element(DisasContext *s, TCGv_i64 tcg_src, int destidx,
tcg_gen_st_i64(tcg_ctx, tcg_src, tcg_ctx->cpu_env, vect_off);
break;
default:
g_assert_not_reached();
cs = CPU(s->uc->cpu);
cs->exception_index = EXCP_UDEF;
cpu_loop_exit(cs);
break;
}
}