Status: New
Owner: ----
CC: k...@google.com, masc...@google.com, jdevlieg...@apple.com,
igm...@gmail.com, mit...@google.com, bigchees...@gmail.com,
eney...@google.com, llvm-b...@lists.llvm.org, j...@chromium.org,
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akils...@apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible
Engine-libfuzzer OS-Linux Proj-llvm Security_Severity-Medium
Reported-2019-08-09
Type: Bug-Security
New issue 16319 by ClusterFuzz-External: llvm:llvm-dwarfdump-fuzzer:
Heap-buffer-overflow in llvm::DWARFFormValue::dump
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16319
Detailed report: https://oss-fuzz.com/testcase?key=5629811638140928
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: 0x619000001dd0
Crash State:
llvm::DWARFFormValue::dump
llvm::DWARFDebugLine::Prologue::dump
llvm::DWARFDebugLine::LineTable::dump
Sanitizer: address (ASAN)
Recommended Security Severity: Medium
Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201805100547:201805110701
Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=5629811638140928
Issue filed automatically.
See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for
instructions to reproduce this bug locally.
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