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[Bug gdb/19684] New: gdb is unable to single step or dump registers when fs is destroyed


https://sourceware.org/bugzilla/show_bug.cgi?id=19684

            Bug ID: 19684
           Summary: gdb is unable to single step or dump registers when fs
                    is destroyed
           Product: gdb
           Version: 7.9
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: andi-bz at firstfloor dot org
  Target Milestone: ---

x86_64-linux

I have a program that overwrites the fs register (TLS base)
Once that happens gdb is unable to single step or print any registers, only get

thread_get_info_callback: cannot get thread info: generic error

Even if it cannot determine the thread it should still continue

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