Status: New
Owner: ----
CC: [email protected], [email protected], [email protected],
[email protected], [email protected], [email protected],
[email protected], [email protected], [email protected],
[email protected], [email protected], [email protected],
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible
Engine-libfuzzer OS-Linux Proj-llvm Security_Severity-Medium
Reported-2019-09-16
Type: Bug-Security
New issue 17257 by ClusterFuzz-External: llvm:llvm-dwarfdump-fuzzer:
Heap-buffer-overflow in llvm::DWARFFormValue::dump
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17257
Detailed Report: https://oss-fuzz.com/testcase?key=5768932048240640
Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-dwarfdump-fuzzer
Job Type: libfuzzer_asan_llvm
Platform Id: linux
Crash Type: Heap-buffer-overflow READ 1
Crash Address: 0x622000002f80
Crash State:
llvm::DWARFFormValue::dump
dumpAttribute
llvm::DWARFDie::dump
Sanitizer: address (ASAN)
Recommended Security Severity: Medium
Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201708291805:201708300005
Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=5768932048240640
Issue filed automatically.
See https://google.github.io/oss-fuzz/advanced-topics/reproducing for
instructions to reproduce this bug locally.
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