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Diffstat (limited to 'hw/i386/multiboot.c')
| -rw-r--r-- | hw/i386/multiboot.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/i386/multiboot.c b/hw/i386/multiboot.c index b9064264d8..1e215bf8d3 100644 --- a/hw/i386/multiboot.c +++ b/hw/i386/multiboot.c @@ -247,6 +247,10 @@ int load_multiboot(FWCfgState *fw_cfg, } mb_load_size = kernel_file_size - mb_kernel_text_offset; } + if (mb_load_size > UINT32_MAX - mh_load_addr) { + error_report("kernel does not fit in address space"); + exit(1); + } if (mh_bss_end_addr) { if (mh_bss_end_addr < (mh_load_addr + mb_load_size)) { error_report("invalid bss_end_addr address"); |