diff options
| -rw-r--r-- | src/unexpand.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/unexpand.c b/src/unexpand.c index 1341e437c..60a3f1d61 100644 --- a/src/unexpand.c +++ b/src/unexpand.c @@ -518,7 +518,12 @@ main (int argc, char **argv) tabval = 0; have_tabval = true; } - tabval = tabval * 10 + c - '0'; + { + uintmax_t new_t = tabval * 10 + c - '0'; + if (UINTMAX_MAX / 10 < tabval || new_t < tabval * 10) + error (EXIT_FAILURE, 0, _("tab stop value is too large")); + tabval = new_t; + } obsolete_tablist = true; break; } |