[IMPALA-5957] DCHECK attempts to print non-string as a c-style string

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Impala 2.11.0
• Fix Version/s: Impala 2.11.0
• Component/s: Backend
• Labels: newbie
• Target Version: Product Backlog
• Epic Color: ghx-label-9
• Assignee: Tim Armstrong
• Reporter: Tim Armstrong
• Created: 19/Sep/17 16:16
• Updated: 01/Nov/17 17:41
• Resolved: 01/Nov/17 17:41

Description

The intention of the below code is to print the memory address, but the type is uint8_t* instead of void*.

    DCHECK_EQ(reinterpret_cast<uintptr_t>(mem) % HUGE_PAGE_SIZE, 0) << mem;

Severity/risk is low because this is only printed if the process is in the process of crashing.