OSV-2021-441 UNKNOWN WRITE in sudoers_lookup_check

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31250 Crash type: UNKNOWN WRITE Crash state: sudoerslookupcheck sudoerslookup fuzzsudoers.c...

sudoers:fuzz_sudoers: Heap-double-free in parser_leak_free

Detailed Report: https://oss-fuzz.com/testcase?key=5790429230530560 Project: sudoers Fuzzing Engine: libFuzzer Fuzz Target: fuzzsudoers Job Type: libfuzzerasansudoers Platform Id: linux Crash Type: Heap-double-free Crash Address: 0x6020000005b0 Crash State: parserleakfree parserleakinit initparse...

sudoers:fuzz_sudoers: Crash with empty stacktrace

Detailed Report: https://oss-fuzz.com/testcase?key=4875913579855872 Project: sudoers Fuzzing Engine: libFuzzer Fuzz Target: fuzzsudoers Job Type: libfuzzerubsansudoers Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x7f8b720ace60 Crash State: NULL Sanitizer: undefined UBSAN Recommende...