https://bugs.llvm.org/show_bug.cgi?id=32957
Bug ID: 32957
Summary: Mismatched free vs. operator delete
Product: clang
Version: 3.9
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: demioben...@gmail.com
CC: llvm-bugs@lists.llvm.org
When using LD_PRELOAD=/usr/lib64/libasan.so.4.0.0 (to find bugs in my
application), Clang gives
> ==6733==ERROR: AddressSanitizer: alloc-dealloc-mismatch (malloc vs operator
> delete) on 0x603000002500
> #0 0x7f606d12dfd0 in operator delete(void*)
> (/usr/lib64/libasan.so.4.0.0+0xe0fd0)
> #1 0x55ee0b851833 in main (/usr/bin/clang-3.9+0xa833)
> #2 0x7f6067be55fd in __libc_start_main (/lib64/libc.so.6+0x205fd)
> #3 0x55ee0b853db9 in _start (/usr/bin/clang-3.9+0xcdb9)
>
> 0x603000002500 is located 0 bytes inside of 31-byte region
> [0x603000002500,0x60300000251f)
> allocated by thread T0 here:
> #0 0x7f606d12b850 in malloc (/usr/lib64/libasan.so.4.0.0+0xde850)
> #1 0x7f606c059ae7 in operator new(unsigned long)
> (/lib64/libLLVM-3.9.so+0x1b90ae7)
Likely cause is that Clang overrides operator new but not operator delete.
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