libspectre:spectre_read_fuzzer: Use-of-uninitialized-value in display_put_params


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.

Affected Software

CPE Name Name Version
libspectre any