Issue 42877 in oss-fuzz: elfutils:fuzz-dwfl-core: Crash in dwfl_segment_report_module

[ClusterFuzz-External via monorail]

Status: New
Owner: ----
CC: elfut...@sourceware.org, evv...@gmail.com, izzeem@google.com 
Labels: ClusterFuzz Reproducible Stability-UndefinedBehaviorSanitizer Engine-libfuzzer OS-Linux Security_Severity-Medium Proj-elfutils Reported-2021-12-23
Type: Bug-Security

New issue 42877 by ClusterFuzz-External: elfutils:fuzz-dwfl-core: Crash in dwfl_segment_report_module
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42877

Detailed Report: https://oss-fuzz.com/testcase?key=4756614962348032

Project: elfutils
Fuzzing Engine: libFuzzer
Fuzz Target: fuzz-dwfl-core
Job Type: libfuzzer_ubsan_elfutils
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x7f1c0c58b000
Crash State:
  dwfl_segment_report_module
  dwfl_core_file_report
  fuzz-dwfl-core.c
  
Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_elfutils&range=202112210605:202112211200

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4756614962348032

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.
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