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-rw-r--r--src/evaluate.c4
-rw-r--r--tests/shell/testcases/bogons/nft-f/mapping_With_invalid_datatype_crash1
2 files changed, 5 insertions, 0 deletions
diff --git a/src/evaluate.c b/src/evaluate.c
index 639bc012..a5c95426 100644
--- a/src/evaluate.c
+++ b/src/evaluate.c
@@ -1784,6 +1784,10 @@ static int expr_evaluate_map(struct eval_ctx *ctx, struct expr **expr)
ctx->ectx.len, NULL);
}
+ if (!ectx.dtype)
+ return expr_error(ctx->msgs, map,
+ "Implicit map expression without known datatype");
+
if (ectx.dtype->type == TYPE_VERDICT) {
data = verdict_expr_alloc(&netlink_location, 0, NULL);
} else {
diff --git a/tests/shell/testcases/bogons/nft-f/mapping_With_invalid_datatype_crash b/tests/shell/testcases/bogons/nft-f/mapping_With_invalid_datatype_crash
new file mode 100644
index 00000000..9f7084c8
--- /dev/null
+++ b/tests/shell/testcases/bogons/nft-f/mapping_With_invalid_datatype_crash
@@ -0,0 +1 @@
+bla to tcp dport map { 80 : 1.1.1.1 . 8001, 81 : 2.2.2.2 . 9001 } bla