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hw/display/qxl: Assert memory slot fits in preallocated MemoryRegion

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Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20221128202741.4945-6-philmd@linaro.org>
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Philippe Mathieu-Daudé 2022-11-28 21:27:41 +01:00 committed by Stefan Hajnoczi
parent 6dbbf05514
commit 86fdb0582c
1 changed files with 1 additions and 0 deletions
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hw/display/qxl.c
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@ -1384,6 +1384,7 @@ static int qxl_add_memslot(PCIQXLDevice *d, uint32_t slot_id, uint64_t delta,
qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region); qxl_set_guest_bug(d, "%s: pci_region = %d", __func__, pci_region);
return 1; return 1;
} }
assert(guest_end - pci_start <= memory_region_size(mr));
virt_start = (intptr_t)memory_region_get_ram_ptr(mr); virt_start = (intptr_t)memory_region_get_ram_ptr(mr);
memslot.slot_id = slot_id; memslot.slot_id = slot_id;