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Issue 71120 in oss-fuzz: gpsd:FuzzPacket: Use-of-uninitialized-value in


From: ClusterFuzz-External via monorail
Subject: Issue 71120 in oss-fuzz: gpsd:FuzzPacket: Use-of-uninitialized-value in packet_parse
Date: Mon, 12 Aug 2024 06:36:20 -0700

Status: New
Owner: ----
CC: gpsd-...@nongnu.org, ajsin...@gmail.com, g...@rellim.com
Labels: Restrict-View-Commit ClusterFuzz Reproducible Stability-Memory-MemorySanitizer Engine-libfuzzer OS-Linux Security_Severity-Medium Proj-gpsd Reported-2024-08-12
Type: Bug-Security

New issue 71120 by ClusterFuzz-External: gpsd:FuzzPacket: Use-of-uninitialized-value in packet_parse
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=71120

Detailed Report: https://oss-fuzz.com/testcase?key=4885185915584512

Project: gpsd
Fuzzing Engine: libFuzzer
Fuzz Target: FuzzPacket
Job Type: libfuzzer_msan_gpsd
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address:
Crash State:
packet_parse
FuzzPacket.c

Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_gpsd&range=202408110624:202408120612

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4885185915584512

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.
When you fix this bug, please
* mention the fix revision(s).
* state whether the bug was a short-lived regression or an old bug in any stable releases.
* add any other useful information.
This information can help downstream consumers.

If you need to contact the OSS-Fuzz team with a question, concern, or any other feedback, please file an issue at https://github.com/google/oss-fuzz/issues. Comments on individual Monorail issues are not monitored.

This bug is subject to a 90 day disclosure deadline. If 90 days elapse
without an upstream patch, then the bug report will automatically
become visible to the public.

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