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Reference Info: 432531556 binutils:fuzz_as: Undefined-shift in read_a_source_file component: Public Trackers > 1362134 > OSS Fuzz status: New reporter: 87...@developer.gserviceaccount.com cc: am...@gmail.com, bug-binutils@gnu.org, da...@adalogics.com, and 2 more collaborators: co...@oss-fuzz.com type: Bug access level: Limited visibility priority: P2 severity: S4 hotlist: Reproducible, Stability-LibFuzzer, Stability-UndefinedBehaviorSanitizer retention: Component default Project: binutils Reported: Jul 18, 2025 87...@developer.gserviceaccount.com added comment #1: Detailed Report: https://oss-fuzz.com/testcase?key=6026227607732224 Project: binutils Fuzzing Engine: libFuzzer Fuzz Target: fuzz_as Job Type: libfuzzer_ubsan_binutils Platform Id: linux Crash Type: Undefined-shift Crash Address: Crash State: read_a_source_file perform_an_assembly_pass fuzz_as.c Sanitizer: undefined (UBSAN) Crash Revision: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_binutils&revision=202507170627 Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6026227607732224 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. Generated by Google IssueTracker notification system.
