Detailed Report: https://oss-fuzz.com/testcase?key=5737193667821568
Project: libspectre
Fuzzing Engine: libFuzzer
Fuzz Target: spectre_read_fuzzer
Job Type: libfuzzer_msan_libspectre
Platform Id: linux
Crash Type: Use-of-uninitialized-value
Crash Address:
Crash State:
display_put_params
gs_putdeviceparams
zputdeviceparams
Sanitizer: memory (MSAN)
Recommended Security Severity: Medium
Crash Revision: https://oss-fuzz.com/revisions?job=libfuzzer_msan_libspectre&revision=202003250242
Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5737193667821568
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.
{"id": "OSSFUZZ-21376", "type": "ossfuzz", "bulletinFamily": "software", "title": "libspectre:spectre_read_fuzzer: Use-of-uninitialized-value in display_put_params", "description": "Detailed Report: https://oss-fuzz.com/testcase?key=5737193667821568\n\nProject: libspectre\nFuzzing Engine: libFuzzer\nFuzz Target: spectre_read_fuzzer\nJob Type: libfuzzer_msan_libspectre\nPlatform Id: linux\n\nCrash Type: Use-of-uninitialized-value\nCrash Address: \nCrash State:\n display_put_params\n gs_putdeviceparams\n zputdeviceparams\n \nSanitizer: memory (MSAN)\n\nRecommended Security Severity: Medium\n\nCrash Revision: https://oss-fuzz.com/revisions?job=libfuzzer_msan_libspectre&revision=202003250242\n\nReproducer Testcase: https://oss-fuzz.com/download?testcase_id=5737193667821568\n\nIssue filed automatically.\n\nSee https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.\nWhen you fix this bug, please\n * mention the fix revision(s).\n * state whether the bug was a short-lived regression or an old bug in any stable releases.\n * add any other useful information.\nThis information can help downstream consumers.\n\nIf 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.\n\nThis bug is subject to a 90 day disclosure deadline. If 90 days elapse\nwithout an upstream patch, then the bug report will automatically\nbecome visible to the public.", "published": "2020-03-25T11:41:48", "modified": "2020-06-23T19:59:49", "cvss": {}, "href": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21376", "reporter": "Google", "references": [], "cvelist": [], "lastseen": "2020-06-23T20:26:54", "viewCount": 3, "enchantments": {"dependencies": {}, "score": {"value": -0.6, "vector": "NONE"}, "backreferences": {}, "exploitation": null, "vulnersScore": -0.6}, "ossfuzz": {"issue": 21376, "status": "New", "project": "libspectre", "ref": null, "crashType": "Use-of-uninitialized-value"}, "affectedSoftware": [{"name": "libspectre", "version": "any", "operator": "eq"}], "immutableFields": [], "cvss2": {}, "cvss3": {}, "_state": {"dependencies": 1645457908, "score": 1659823045, "affected_software_major_version": 1677290485, "epss": 1678948994}, "_internal": {"score_hash": "a02ed955d4a2e5da6c18db0f8f3460e0"}}
libspectre:spectre_read_fuzzer: Use-of-uninitialized-value in display_put_params