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Posted to github@arrow.apache.org by "lriggs (via GitHub)" <gi...@apache.org> on 2026/08/04 20:54:20 UTC

Re: [PR] GH-50707: [C++][Gandiva] fix out-of-bounds read in mask utf8proc length [arrow]

lriggs commented on code in PR #50709:
URL: https://github.com/apache/arrow/pull/50709#discussion_r3716106184


##########
cpp/src/gandiva/gdv_function_stubs_test.cc:
##########
@@ -1151,6 +1151,34 @@ TEST(TestGdvFnStubs, TestMaskLastN) {
   EXPECT_EQ(expected, std::string(result, out_len));
 }
 
+TEST(TestGdvFnStubs, TestMaskTruncatedUtf8NoOverread) {

Review Comment:
   Might be worth having a simple test for gdv_mask_last_n_utf8_int32 as well



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