[Bug binutils/19256] New: Malformed ar archive triggers infinite loop

[bazad at stanford dot edu]

https://sourceware.org/bugzilla/show_bug.cgi?id=19256

            Bug ID: 19256
           Summary: Malformed ar archive triggers infinite loop
           Product: binutils
           Version: 2.25
            Status: NEW
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: bazad at stanford dot edu
  Target Milestone: ---

Created attachment 8790
  --> https://sourceware.org/bugzilla/attachment.cgi?id=8790&action=edit
Archive that causes nm to infinite loop

A malformed archive file can trigger an infinite loop in nm:

$ nm id:000003,src:003803,op:havoc,rep:4
nm: #1: File format not recognized

mai:
00000002 ? 311

:
00000002 ? 311
nm: : File format not recognized

main.o:
00000002 ? 311

<etc>

Found with American Fuzzy Lop.

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