Status: New
Owner: ----
CC: elfut...@sourceware.org, da...@adalogics.com, evv...@gmail.com, izzeem@google.com 
Labels: ClusterFuzz Reproducible Stability-Memory-MemorySanitizer Engine-libfuzzer OS-Linux Security_Severity-Medium Proj-elfutils Reported-2023-02-19
Type: Bug-Security

New issue 56134 by ClusterFuzz-External: elfutils:fuzz-libdwfl: Use-of-uninitialized-value in check_section
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56134

Detailed Report: https://oss-fuzz.com/testcase?key=6724057145147392

Project: elfutils
Fuzzing Engine: libFuzzer
Fuzz Target: fuzz-libdwfl
Job Type: libfuzzer_msan_elfutils
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  check_section
  dwarf_begin_elf
  load_dw
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_elfutils&range=202302161800:202302181800

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6724057145147392

Issue filed automatically.

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