diff options
| -rw-r--r-- | qemu-nbd.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/qemu-nbd.c b/qemu-nbd.c index 99297a556f..705b95ec29 100644 --- a/qemu-nbd.c +++ b/qemu-nbd.c @@ -901,6 +901,14 @@ int main(int argc, char **argv) exit(EXIT_FAILURE); } + if (dev_offset >= fd_size) { + error_report("Offset (%lld) has to be smaller than the image size " + "(%lld)", + (long long int)dev_offset, (long long int)fd_size); + exit(EXIT_FAILURE); + } + fd_size -= dev_offset; + if (partition != -1) { ret = find_partition(blk, partition, &dev_offset, &fd_size); if (ret < 0) { |