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Fix crash when mapping a big memory and calling uc_close

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lazymio
2022-04-16 19:17:41 +02:00
parent cf18982e1c
commit 3d3deac5e6
5 changed files with 353 additions and 8 deletions
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6
qemu/softmmu/memory.c
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@@ -43,8 +43,9 @@ MemoryRegion *memory_map(struct uc_struct *uc, hwaddr begin, size_t size, uint32
MemoryRegion *ram = g_new(MemoryRegion, 1);
memory_region_init_ram(uc, ram, size, perms);
if (ram->addr == -1) {
if (ram->addr == -1 || !ram->ram_block) {
// out of memory
g_free(ram);
return NULL;
}
@@ -63,8 +64,9 @@ MemoryRegion *memory_map_ptr(struct uc_struct *uc, hwaddr begin, size_t size, ui
memory_region_init_ram_ptr(uc, ram, size, ptr);
ram->perms = perms;
if (ram->addr == -1) {
if (ram->addr == -1 || !ram->ram_block) {
// out of memory
g_free(ram);
return NULL;
}