0f73b9cf-134f-41af-a8b1-14d9f305ee95
commented
7 years ago Included this internally in rdar://problem/30958661 Re-enable reporting bugs that end in C++ stdlib
Open llvmbot opened 7 years ago
0f73b9cf-134f-41af-a8b1-14d9f305ee95
commented
7 years ago Included this internally in rdar://problem/30958661 Re-enable reporting bugs that end in C++ stdlib
llvmbot
commented
7 years ago assigned to @tkremenek
Extended Description
This error seems noisy, as unique_ptr ownership should provide ordering guarantees against multiple deletion.
LLVM version: clang version 5.0.0 (trunk 296321) Platform: Linux; target: Linux Code: https://cs.chromium.org/chromium/src/extensions/browser/value_store/lazy_leveldb.cc
../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/bits/unique_ptr.h:63:9: warning: Attempt to delete released memory delete ptr; ^ ../../extensions/browser/value_store/lazy_leveldb.cc:101:3: note: Taking false branch if (s.IsNotFound()) { ^ ../../extensions/browser/value_store/lazy_leveldb.cc:107:3: note: Taking false branch if (!s.ok()) ^ ../../extensions/browser/value_store/lazy_leveldb.cc:112:3: note: Taking true branch if (!val) ^ ../../extensions/browser/value_store/lazy_leveldb.cc:113:55: note: Calling 'LazyLevelDb::FixCorruption' return ValueStore::Status(ValueStore::CORRUPTION, FixCorruption(&key), ^
~~~~~~ ../../extensions/browser/value_store/lazyleveldb.cc:159:7: note: Left side of '&&' is true if (key && db) { ^ ../../extensions/browser/value_store/lazyleveldb.cc:159:3: note: Taking true branch if (key && db) { ^ ../../extensions/browser/value_store/lazy_leveldb.cc:163:5: note: Taking false branch if (s.ok()) ^ ../../extensions/browser/value_store/lazy_leveldb.cc:165:10: note: Taking false branch else if (s.IsIOError()) ^ ../../extensions/browser/value_store/lazy_leveldb.cc:185:3: note: Taking true branch if (s.ok()) { ^ ../../extensions/browser/value_store/lazy_leveldb.cc:190:3: note: Taking false branch if (!s.ok()) { ^ ../../extensions/browser/value_store/lazy_leveldb.cc:199:3: note: Taking true branch if (s.ok()) ^ ../../extensions/browser/value_store/lazy_leveldb.cc:204:7: note: Left side of '&&' is true if (s.ok() && key) { ^ ../../extensions/browser/value_store/lazy_leveldb.cc:204:3: note: Taking true branch if (s.ok() && key) { ^ ../../extensions/browser/value_store/lazy_leveldb.cc:206:5: note: Taking false branch if (s.ok()) { ^ ../../extensions/browser/value_store/lazy_leveldb.cc:208:12: note: Taking false branch } else if (s.IsIOError()) { ^ ../../extensions/browser/value_store/lazy_leveldb.cc:211:7: note: Calling 'uniqueptr::reset' db.reset(db); ^~~~~ ../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/bits/unique_ptr.h:244:2: note: Taking true branch if (p != pointer()) ^ ../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/bits/unique_ptr.h:245:4: note: Calling 'default_delete::operator()' get_deleter()(p); ^~~~~~ ../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/bits/unique_ptr.h:63:2: note: Memory is released delete ptr; ^~~~ ../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/bits/unique_ptr.h:245:4: note: Returning; memory was released via 2nd parameter get_deleter()(__p); ^~~~~~ ../../extensions/browser/value_store/lazyleveldb.cc:211:7: note: Returning; memory was released via 1st parameter db.reset(db); ^~~~~ ../../extensions/browser/value_store/lazy_leveldb.cc:212:12: note: Calling 'LazyLevelDb::DeleteDbFile' if (!DeleteDbFile()) ^~~~~~ ../../extensions/browser/value_store/lazy_leveldb.cc:269:3: note: Calling 'uniqueptr::reset' db.reset(); // release any lock on the directory ^~~../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/bits/unique_ptr.h:244:2: note: Taking true branch if (p != pointer()) ^ ../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/bits/unique_ptr.h:245:4: note: Calling 'default_delete::operator()' get_deleter()(p); ^~~~~~ ../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../../include/c++/4.6/bits/unique_ptr.h:63:9: note: Attempt to delete released memory delete __ptr;