diff options
Diffstat (limited to 'hw/i386/pc.c')
| -rw-r--r-- | hw/i386/pc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 03148450c8..cd5029c149 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -838,7 +838,8 @@ static void load_linux(PCMachineState *pcms, FWCfgState *fw_cfg) { uint16_t protocol; - int setup_size, kernel_size, initrd_size = 0, cmdline_size; + int setup_size, kernel_size, cmdline_size; + int64_t initrd_size = 0; int dtb_size, setup_data_offset; uint32_t initrd_max; uint8_t header[8192], *setup, *kernel, *initrd_data; @@ -974,6 +975,10 @@ static void load_linux(PCMachineState *pcms, fprintf(stderr, "qemu: error reading initrd %s: %s\n", initrd_filename, strerror(errno)); exit(1); + } else if (initrd_size >= initrd_max) { + fprintf(stderr, "qemu: initrd is too large, cannot support." + "(max: %"PRIu32", need %"PRId64")\n", initrd_max, initrd_size); + exit(1); } initrd_addr = (initrd_max-initrd_size) & ~4095; |