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-rw-r--r--bin/sh/memalloc.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/bin/sh/memalloc.c b/bin/sh/memalloc.c
index a2191771386d..7ea31af050e5 100644
--- a/bin/sh/memalloc.c
+++ b/bin/sh/memalloc.c
@@ -227,7 +227,10 @@ popstackmark(struct stackmark *mark)
}
stacknxt = mark->stacknxt;
stacknleft = mark->stacknleft;
- sstrend = stacknxt + stacknleft;
+ if (stacknleft != 0)
+ sstrend = stacknxt + stacknleft;
+ else
+ sstrend = stacknxt;
INTON;
}