Fuzz introspector: fuzz-udev-rule-parse-value

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site2] [calltree idx: 00000]
1 log_assert_failed [call site2] [calltree idx: 00001]
1 udev_rule_parse_value [call site2] [calltree idx: 00002]
1 log_assert_failed [call site2] [calltree idx: 00003]
1 log_assert_failed [call site2] [calltree idx: 00004]
1 log_assert_failed [call site2] [calltree idx: 00005]
1 log_assert_failed [call site2] [calltree idx: 00006]
1 freep [function] [call site2] [calltree idx: 00007]