[Bug locale/19519] New: iconv(1) hangs on illegal sequences with "christmas" flags

["jengelh at inai dot de" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=19519

            Bug ID: 19519
           Summary: iconv(1) hangs on illegal sequences with "christmas"
                    flags
           Product: glibc
           Version: 2.22
            Status: NEW
          Severity: normal
          Priority: P2
         Component: locale
          Assignee: unassigned at sourceware dot org
          Reporter: jengelh at inai dot de
  Target Milestone: ---

In glibc 2.19 and glibc 2.22, I observe that combining //translit with //ignore
with -c with an unconvertible sequence will hang the iconv program. The order
of //translit and //ignore is significant. The target charset is of no
significance; it could also be -t utf-8//translit//ignore.

 echo -en '\x80' | iconv -f us-ascii -t us-ascii//translit//ignore -c

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