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-rw-r--r--samples/damon/mtier.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/samples/damon/mtier.c b/samples/damon/mtier.c
index 775838a23d93..dab8fb10b617 100644
--- a/samples/damon/mtier.c
+++ b/samples/damon/mtier.c
@@ -120,6 +120,8 @@ static struct damon_ctx *damon_sample_mtier_build_ctx(bool promote)
addr.end = promote ? node1_end_addr : node0_end_addr;
}
+ if (addr.start >= addr.end)
+ goto free_out;
region = damon_new_region(addr.start, addr.end);
if (!region)
goto free_out;