[Bug binutils/21916] New: Null-Deref and OOB Read in ELF Parsing

[ned at forallsecure dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=21916

            Bug ID: 21916
           Summary: Null-Deref and OOB Read in ELF Parsing
           Product: binutils
           Version: 2.30 (HEAD)
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: ned at forallsecure dot com
  Target Milestone: ---

Created attachment 10324
  --> https://sourceware.org/bugzilla/attachment.cgi?id=10324&action=edit
3 testcases with ASAN output

Hi there, I have a few more testcases to report. One triggers a
null-dereference, and the other two trigger two out of bounds reads which I
think are caused by distinct issues.

I've attached the cases here. Building with a recent version of clang+ASAN
should show the bugs when running `for fn in bugs4/*; do echo $fn; ./objdump -d
$fn; done`.

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