qemu-img will complain when qcow or qcow2 size overflow for 64 bits, report the right message in this condition.
Signed-off-by: liguang <[email protected]> --- qemu-img.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/qemu-img.c b/qemu-img.c index b41e670..d9434ad 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -340,7 +340,12 @@ static int img_create(int argc, char **argv) int64_t sval; char *end; sval = strtosz_suffix(argv[optind++], &end, STRTOSZ_DEFSUFFIX_B); - if (sval < 0 || *end) { + if (sval < 0) { + error_report("Image size must be less than 8 exabytes!"); + ret = -1; + goto out; + } + if (*end) { error_report("Invalid image size specified! You may use k, M, G or " "T suffixes for "); error_report("kilobytes, megabytes, gigabytes and terabytes."); -- 1.7.1
