fix some oss-fuzz bugs (#1180)

* 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.
This commit is contained in:
Chen Huitao
2020-01-04 23:42:02 +08:00
committed by Nguyen Anh Quynh
parent 99097cab4c
commit 68eb357984
8 changed files with 17 additions and 17 deletions

View File

@@ -75,7 +75,7 @@ int r4k_map_address (CPUMIPSState *env, hwaddr *physical, int *prot,
for (i = 0; i < env->tlb->tlb_in_use; i++) {
r4k_tlb_t *tlb = &env->tlb->mmu.r4k.tlb[i];
/* 1k pages are not supported. */
target_ulong mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
target_ulong mask = tlb->PageMask | ~(((unsigned int)TARGET_PAGE_MASK) << 1);
target_ulong tag = address & ~mask;
target_ulong VPN = tlb->VPN & ~mask;
#if defined(TARGET_MIPS64)
@@ -286,7 +286,7 @@ static void raise_mmu_exception(CPUMIPSState *env, target_ulong address,
env->CP0_Context = (env->CP0_Context & ~0x007fffff) |
((address >> 9) & 0x007ffff0);
env->CP0_EntryHi =
(env->CP0_EntryHi & 0xFF) | (address & (TARGET_PAGE_MASK << 1));
(env->CP0_EntryHi & 0xFF) | (address & (((unsigned int)TARGET_PAGE_MASK) << 1));
#if defined(TARGET_MIPS64)
env->CP0_EntryHi &= env->SEGMask;
env->CP0_XContext = (env->CP0_XContext & ((~0ULL) << (env->SEGBITS - 7))) |
@@ -788,7 +788,7 @@ void r4k_invalidate_tlb (CPUMIPSState *env, int idx, int use_extra)
}
/* 1k pages are not supported. */
mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
mask = tlb->PageMask | ~(((unsigned int)TARGET_PAGE_MASK) << 1);
if (tlb->V0) {
cs = CPU(cpu);
addr = tlb->VPN & ~mask;