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fix some oss-fuzz bugs (#1182)

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* fix oss-fuzz 10419.

* fix oss-fuzz 10427.

* fix oss-fuzz 10421.

* fix oss-fuzz 10422.

* fix oss-fuzz 10425.

* fix oss-fuzz 10426.

* fix oss-fuzz 10426.

* fix oss-fuzz 10422.

* fix oss-fuzz  10426.

* fix oss-fuzz 10456.

* fix oss-fuzz 10428.

* fix oss-fuzz 10429.

* fix oss-fuzz 10431.

* fix oss-fuzz 10435.

* fix oss-fuzz 10430.

* fix oss-fuzz 10436.

* remove unused var.

* fix oss-fuzz 10449.

* fix oss-fuzz 10452.

* fix oss-fuzz 11792.

* fix oss-fuzz 10457.

* fix oss-fuzz 11737.

* fix oss-fuzz 10458.

* fix oss-fuzz 10565.

* fix oss-fuzz 11651.

* fix oss-fuzz 10497.

* fix oss-fuzz 10515.

* fix oss-fuzz 10586.

* fix oss-fuzz 10597.

* fiz oss-fuzz 11721.

* fix oss-fuzz 10718.

* fix oss-fuzz 15610.

* fix oss-fuzz 10512.

* fix oss-fuzz 10545.
This commit is contained in:
Chen Huitao
2020-01-05 19:20:29 +08:00
committed by Nguyen Anh Quynh
parent 68eb357984
commit 8621bca537
14 changed files with 31 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
qemu/target-m68k/helper.c
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@@ -510,7 +510,7 @@ uint64_t HELPER(macmuls)(CPUM68KState *env, uint32_t op1, uint32_t op2)
int64_t res;
product = (uint64_t)op1 * op2;
res = (product << 24) >> 24;
res = ((int64_t)(((uint64_t)product) << 24)) >> 24;
if (res != product) {
env->macsr |= MACSR_V;
if (env->macsr & MACSR_OMC) {
@@ -565,7 +565,7 @@ void HELPER(macsats)(CPUM68KState *env, uint32_t acc)
int64_t tmp;
int64_t result;
tmp = env->macc[acc];
result = ((tmp << 16) >> 16);
result = ((int64_t)((uint64_t)tmp << 16) >> 16);
if (result != tmp) {
env->macsr |= MACSR_V;
}
@@ -746,12 +746,12 @@ void HELPER(set_mac_extf)(CPUM68KState *env, uint32_t val, uint32_t acc)
int32_t tmp;
res = env->macc[acc] & 0xffffffff00ull;
tmp = (int16_t)(val & 0xff00);
res |= ((int64_t)tmp) << 32;
res |= ((uint64_t)((int64_t)tmp)) << 32;
res |= val & 0xff;
env->macc[acc] = res;
res = env->macc[acc + 1] & 0xffffffff00ull;
tmp = (val & 0xff000000);
res |= ((int64_t)tmp) << 16;
res |= ((uint64_t)((int64_t)tmp)) << 16;
res |= (val >> 16) & 0xff;
env->macc[acc + 1] = res;
}