[llvm-bugs] [Bug 36752] New: ASAN reports heap overflow in llvm-ar

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=36752

            Bug ID: 36752
           Summary: ASAN reports heap overflow in llvm-ar
           Product: tools
           Version: trunk
          Hardware: PC
                OS: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: llvm-ar
          Assignee: unassignedbugs at nondot.org
          Reporter: shawn.webb at hardenedbsd.org
                CC: llvm-bugs at lists.llvm.org

Created attachment 20069
  --> https://bugs.llvm.org/attachment.cgi?id=20069&action=edit
log of buildworld failing on ASAN heap overflow detection in llvm-ar

We at HardenedBSD have a special feature branch that applies ASAN to every
application in base[1]. As such, ASAN gets applied to llvm-ar.

It appears ASAN reports a heap overflow in llvm-ar (we've also switched to
llvm-ar as the system's ar/ranlib).

Build log is attached.

[1]:
https://github.com/hardenedbsd/hardenedbsd-playground/tree/hardened/current/asan

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