diff options
| -rw-r--r-- | qemu-io-cmds.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/qemu-io-cmds.c b/qemu-io-cmds.c index 1e97f69f56..7ebe89a1d8 100644 --- a/qemu-io-cmds.c +++ b/qemu-io-cmds.c @@ -136,7 +136,14 @@ static char **breakline(char *input, int *count) static int64_t cvtnum(const char *s) { char *end; - return qemu_strtosz_suffix(s, &end, QEMU_STRTOSZ_DEFSUFFIX_B); + int64_t ret; + + ret = qemu_strtosz_suffix(s, &end, QEMU_STRTOSZ_DEFSUFFIX_B); + if (*end != '\0') { + /* Detritus at the end of the string */ + return -EINVAL; + } + return ret; } #define EXABYTES(x) ((long long)(x) << 60) |