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fix some oss-fuzz (#1206)

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* fix oss-fuzz 18138.

* fix oss-fuzz 20079.

* fix oss-fuzz 20209.

* fix oss-fuzz 20210.

* fix oss-fuzz 20262.

* rollback.

* rollback.

* fix oss-fuzz 20079.

* fix oss-fuzz 20179.

* fix oss-fuzz 20195.

* fix oss-fuzz 20206.

* fix oss-fuzz 20207.

* fix oss-fuzz 20265.
This commit is contained in:
Chen Huitao
2020-02-25 11:36:06 +08:00
committed by GitHub
parent 393a5641fd
commit c520307959
11 changed files with 41 additions and 19 deletions
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10
qemu/translate-all.c
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@@ -239,6 +239,9 @@ static int cpu_gen_code(CPUArchState *env, TranslationBlock *tb, int *gen_code_s
s->code_time -= profile_getclock();
#endif
gen_code_size = tcg_gen_code(s, gen_code_buf);
if (gen_code_size == -1) {
return -1;
}
//printf(">>> code size = %u: ", gen_code_size);
//int i;
//for (i = 0; i < gen_code_size; i++) {
@@ -1130,6 +1133,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
TranslationBlock *tb;
tb_page_addr_t phys_pc, phys_page2;
int code_gen_size;
int ret;
phys_pc = get_page_addr_code(env, pc);
tb = tb_alloc(env->uc, pc);
@@ -1145,7 +1149,11 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
tb->cs_base = cs_base;
tb->flags = flags;
tb->cflags = cflags;
cpu_gen_code(env, tb, &code_gen_size); // qq
ret = cpu_gen_code(env, tb, &code_gen_size); // qq
if (ret == -1) {
tb_free(env->uc, tb);
return NULL;
}
tcg_ctx->code_gen_ptr = (void *)(((uintptr_t)tcg_ctx->code_gen_ptr +
code_gen_size + CODE_GEN_ALIGN - 1) & ~(CODE_GEN_ALIGN - 1));