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-rw-r--r--shell/ash.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/shell/ash.c b/shell/ash.c
index d0c0a510c..a31cee259 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -3654,7 +3654,7 @@ getjob(const char *name, int getctl)
if (is_number(p)) {
num = atoi(p);
- if (num <= njobs) {
+ if (num > 0 && num <= njobs) {
jp = jobtab + num - 1;
if (jp->used)
goto gotit;