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Issue 45178 in oss-fuzz: bind9:dns_master_load_fuzzer: Integer-overflow in generate

New issue 45178 by ClusterFuzz-External: bind9:dns_master_load_fuzzer: Integer-overflow in generate https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45178

Detailed Report: https://oss-fuzz.com/testcase?key=6397143751983104

Project: bind9 Fuzzing Engine: libFuzzer Fuzz Target: dns_master_load_fuzzer Job Type: libfuzzer_ubsan_bind9 Platform Id: linux

Crash Type: Integer-overflow Crash Address: Crash State: generate load_text dns_master_loadbuffer

Sanitizer: undefined (UBSAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_bind9&range=202202240600:202202250603

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6397143751983104

master.c:849:31: runtime error: signed integer overflow: 19 + 2147483645 cannot be represented in type 'int'

Edited by Mark Andrews
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