There's an error causing several CI jobs to fail, e.g. [this](https://cirrus-ci.com/task/5397359480799232), [this](https://cirrus-ci.com/task/6118277442174976), [this](https://cirrus-ci.com/task/6218436868046848) or [this](https://cirrus-ci.com/task/5948261916737536).
```
INFO: Seed: 2688568392
INFO: Loaded 1 modules   (532968 inline 8-bit counters): 532968 [0x55d2f9ea7cf8, 0x55d2f9f29ee0), 
INFO: Loaded 1 PC tables (532968 PCs): 532968 [0x55d2f9f29ee0,0x55d2fa74bd60), 
INFO:     5306 files found in /tmp/cirrus-ci-build/ci/scratch/qa-assets/fuzz_seed_corpus/coins_view
INFO: -max_len is not provided; libFuzzer will not generate inputs larger than 1048576 bytes
INFO: seed corpus: files: 5306 min: 1b max: 3984182b total: 255622128b rss: 194Mb
#1024	pulse  cov: 4978 ft: 17604 corp: 440/9989b exec/s: 512 rss: 247Mb
#2048	pulse  cov: 5614 ft: 27538 corp: 763/47Kb exec/s: 409 rss: 333Mb
#4096	pulse  cov: 5772 ft: 38611 corp: 1339/1242Kb exec/s: 204 rss: 350Mb
consensus/tx_verify.cpp:154:108: runtime error: implicit conversion from type 'int' of value -1653268223 (32-bit, signed) to type 'unsigned int' changed the value to 2641699073 (32-bit, unsigned)
    #0 0x55d2f6953400  (/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x2ca9400)
    #1 0x55d2f64cafcd  (/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x2820fcd)
    #2 0x55d2f64c5f39  (/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x281bf39)
    #3 0x55d2f63a6b97  (/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x26fcb97)
    #4 0x55d2f7c22647  (/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x3f78647)
    #5 0x55d2f7c222f5  (/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x3f782f5)
    #6 0x55d2f62ac531  (/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x2602531)
    #7 0x55d2f62abc75  (/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x2601c75)
    #8 0x55d2f62ae597  (/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x2604597)
    #9 0x55d2f62ae8f9  (/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x26048f9)
    #10 0x55d2f629d5ce  (/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x25f35ce)
    #11 0x55d2f62c6412  (/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x261c412)
    #12 0x7f7a8917c0b2  (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
    #13 0x55d2f627236d  (/tmp/cirrus-ci-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x25c836d)
SUMMARY: UndefinedBehaviorSanitizer: implicit-integer-sign-change consensus/tx_verify.cpp:154:108 in 
MS: 0 ; base unit: 0000000000000000000000000000000000000000
artifact_prefix='./'; Test unit written to ./crash-d335a54e65799a7844ecde7d30f5e04719784b36
```
{
    
    unsigned char ch[] = {0x01, 0x00, 0x00, 0x00, 0x01, 0x6b, 0xff, 0x7f, 0xcd, 0x4f, 0x85, 0x65, 0xef, 0x40, 0x6d, 0xd5, 0xd6, 0x3d, 0x4f, 0xf9, 0x4f, 0x31, 0x8f, 0xe8, 0x20, 0x27, 0xfd, 0x4d, 0xc4, 0x51, 0xb0, 0x44, 0x74, 0x01, 0x9f, 0x74, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x8c, 0x49, 0x30, 0x46, 0x02, 0x21, 0x00, 0xda, 0x0d, 0xc6, 0xae, 0xce, 0xfe, 0x1e, 0x06, 0xef, 0xdf, 0x05, 0x77, 0x37, 0x57, 0xde, 0xb1, 0x68, 0x82, 0x09, 0x30, 0xe3, 0xb0, 0xd0, 0x3f, 0x46, 0xf5, 0xfc, 0xf1, 0x50, 0xbf, 0x99, 0x0c, 0x02, 0x21, 0x00, 0xd2, 0x5b, 0x5c, 0x87, 0x04, 0x00, 0x76, 0xe4, 0xf2, 0x53, 0xf8, 0x26, 0x2e, 0x76, 0x3e, 0x2d, 0xd5, 0x1e, 0x7f, 0xf0, 0xbe, 0x15, 0x77, 0x27, 0xc4, 0xbc, 0x42, 0x80, 0x7f, 0x17, 0xbd, 0x39, 0x01, 0x41, 0x04, 0xe6, 0xc2, 0x6e, 0xf6, 0x7d, 0xc6, 0x10, 0xd2, 0xcd, 0x19, 0x24, 0x84, 0x78, 0x9a, 0x6c, 0xf9, 0xae, 0xa9, 0x93, 0x0b, 0x94, 0x4b, 0x7e, 0x2d, 0xb5, 0x34, 0x2b, 0x9d, 0x9e, 0x5b, 0x9f, 0xf7, 0x9a, 0xff, 0x9a, 0x2e, 0xe1, 0x97, 0x8d, 0xd7, 0xfd, 0x01, 0xdf, 0xc5, 0x22, 0xee, 0x02, 0x28, 0x3d, 0x3b, 0x06, 0xa9, 0xd0, 0x3a, 0xcf, 0x80, 0x96, 0x96, 0x8d, 0x7d, 0xbb, 0x0f, 0x91, 0x78, 0xff, 0xff, 0xff, 0xff, 0x02, 0x8b, 0xa7, 0x94, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x19, 0x76, 0xa9, 0x14, 0xba, 0xde, 0xec, 0xfd, 0xef, 0x05, 0x07, 0x24, 0x7f, 0xc8, 0xf7, 0x42, 0x41, 0xd7, 0x3b, 0xc0, 0x39, 0x97, 0x2d, 0x7b, 0x88, 0xac, 0x40, 0x94, 0xa8, 0x02, 0x00, 0x00, 0x00, 0x00, 0x19, 0x76, 0xa9, 0x14, 0xc1, 0x09, 0x32, 0x48, 0x3f, 0xec, 0x93, 0xed, 0x51, 0xf5, 0xfe, 0x95, 0xe7, 0x25, 0x59, 0xf2, 0xcc, 0x70, 0x43, 0xf9, 0x88, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00};
    std::vector<unsigned char> vch(ch, ch + sizeof(ch) -1);
    CDataStream stream(vch, SER_DISK, CLIENT_VERSION);
    CMutableTransaction tx;
    stream >> tx;
    TxValidationState state;
    BOOST_CHECK_MESSAGE(CheckTransaction(CTransaction(tx), state) && state.IsValid(), "Simple deserialized transaction should be valid.");
    
    tx.vin.push_back(tx.vin[0]);
    BOOST_CHECK_MESSAGE(!CheckTransaction(CTransaction(tx), state) || !state.IsValid(), "Transaction with duplicate txins should be invalid.");
}
BOOST_AUTO_TEST_CASE(test_Get)