[Bug 236937] libxo =xml Segmentation fault with a huge string (>30000)

Wed Apr 3 21:56:10 UTC 2019

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236937

--- Comment #6 from commit-hook at freebsd.org ---
A commit references this bug:

Author: phil
Date: Wed Apr  3 21:55:41 UTC 2019
New revision: 345859
URL: https://svnweb.freebsd.org/changeset/base/345859

Log:
  Import libxo-1.0.2

  from 1.0.0:
      Add "continuation" flag, to allow multiple "xo" invocations in a single
line of output (#58)
      Add --top-wrap to make top-level JSON wrappers
      Add --{open,close}-{list,instace} options
      Add xo_xml_leader(), to detect use of some bogus XML tags. It's still bad
form, but it's a little safer now
      Avoid call to xo_write before xo_flush, since the latter calls the former
      Check return code from xo_flush_h properly (<0) (FreeBSD Bug 236935)
      For JSON output, avoid newline before a container's close brace (#62)
      Merge branch 'text_only' of https://github.com/zvr/libxo into
zvr-text_only
      Use XO_USE_INT_RETURN_CODES, not USE_INT_RETURN_CODES
      add docs for --continuation
      add docs for --not-first
      call xo_state_set_flags before values and close containers; add
XOIF_MADE_OUTPUT flag to track state; make proper empty JSON objects in
xo_finish
      color_map code has to be #ifdef'd out, since the struct definition
      correct xo_flush_func_t (doesn't use xo_ssize_t)
      make depth change for --top-wrap only for JSON
      fix to handle --top-wrap in "xo" by being more consistent with handling
trailing newlines
      fix to handle text-only version #64 (from zvr)
      fix xo_buf_has_room for round up to the next XO_BUFSIZ, not just add
XO_BUFSIZ to the size (FreeBSD Bug 236937)
      update docs for new "xo" options
      update functions to use xo_ssize_t
      update test cases
  from 1.0.1:
      Add EINTEGRITY to .pot files under test/gettext/ (fix from FreeBSD)
  from 1.0.2:
      handle failure from xo_vnsprintf; don't add -1 to "rc"

  PR:           236937, 236935
  Submitted by: phil
  Reported by:  Alfonso S. Siciliano <alfix86 at gmail.com>
  MFC after:    2 weeks

Changes:
_U  head/contrib/libxo/
  head/contrib/libxo/configure.ac
  head/contrib/libxo/doc/api.rst
  head/contrib/libxo/doc/libxo-manual.html
  head/contrib/libxo/doc/xo.rst
  head/contrib/libxo/libxo/Makefile.am
  head/contrib/libxo/libxo/libxo.c
  head/contrib/libxo/libxo/xo.h
  head/contrib/libxo/libxo/xo_attr.3
  head/contrib/libxo/libxo/xo_buf.h
  head/contrib/libxo/libxo/xo_emit.3
  head/contrib/libxo/libxo/xo_emit_f.3
  head/contrib/libxo/libxo/xo_explicit.h
  head/contrib/libxo/libxo/xo_finish.3
  head/contrib/libxo/libxo/xo_flush.3
  head/contrib/libxo/libxo/xo_open_container.3
  head/contrib/libxo/libxo/xo_open_list.3
  head/contrib/libxo/libxo/xo_open_marker.3
  head/contrib/libxo/libxo/xo_set_writer.3
  head/contrib/libxo/tests/core/saved/test_01.J.out
  head/contrib/libxo/tests/core/saved/test_02.J.out
  head/contrib/libxo/tests/core/saved/test_03.J.out
  head/contrib/libxo/tests/core/saved/test_04.J.out
  head/contrib/libxo/tests/core/saved/test_05.J.out
  head/contrib/libxo/tests/core/saved/test_05.JP.out
  head/contrib/libxo/tests/core/saved/test_06.J.out
  head/contrib/libxo/tests/core/saved/test_07.J.out
  head/contrib/libxo/tests/core/saved/test_08.J.out
  head/contrib/libxo/tests/core/saved/test_09.J.out
  head/contrib/libxo/tests/core/saved/test_10.J.out
  head/contrib/libxo/tests/core/saved/test_11.J.out
  head/contrib/libxo/tests/core/saved/test_12.E.err
  head/contrib/libxo/tests/core/saved/test_12.E.out
  head/contrib/libxo/tests/core/saved/test_12.H.err
  head/contrib/libxo/tests/core/saved/test_12.H.out
  head/contrib/libxo/tests/core/saved/test_12.HIPx.err
  head/contrib/libxo/tests/core/saved/test_12.HIPx.out
  head/contrib/libxo/tests/core/saved/test_12.HP.err
  head/contrib/libxo/tests/core/saved/test_12.HP.out
  head/contrib/libxo/tests/core/saved/test_12.J.err
  head/contrib/libxo/tests/core/saved/test_12.J.out
  head/contrib/libxo/tests/core/saved/test_12.JP.err
  head/contrib/libxo/tests/core/saved/test_12.JP.out
  head/contrib/libxo/tests/core/saved/test_12.T.err
  head/contrib/libxo/tests/core/saved/test_12.T.out
  head/contrib/libxo/tests/core/saved/test_12.X.err
  head/contrib/libxo/tests/core/saved/test_12.X.out
  head/contrib/libxo/tests/core/saved/test_12.XP.err
  head/contrib/libxo/tests/core/saved/test_12.XP.out
  head/contrib/libxo/tests/core/test_12.c
  head/contrib/libxo/tests/gettext/po/pig_latin/strerror.po
  head/contrib/libxo/tests/gettext/saved/gt_01.J.out
  head/contrib/libxo/tests/xo/Makefile.am
  head/contrib/libxo/tests/xo/saved/xo_01.H.out
  head/contrib/libxo/tests/xo/saved/xo_01.HIPx.out
  head/contrib/libxo/tests/xo/saved/xo_01.HP.out
  head/contrib/libxo/tests/xo/saved/xo_01.J.out
  head/contrib/libxo/tests/xo/saved/xo_01.JP.out
  head/contrib/libxo/tests/xo/saved/xo_01.T.out
  head/contrib/libxo/tests/xo/saved/xo_02.H.err
  head/contrib/libxo/tests/xo/saved/xo_02.H.out
  head/contrib/libxo/tests/xo/saved/xo_02.HIPx.err
  head/contrib/libxo/tests/xo/saved/xo_02.HIPx.out
  head/contrib/libxo/tests/xo/saved/xo_02.HP.err
  head/contrib/libxo/tests/xo/saved/xo_02.HP.out
  head/contrib/libxo/tests/xo/saved/xo_02.J.err
  head/contrib/libxo/tests/xo/saved/xo_02.J.out
  head/contrib/libxo/tests/xo/saved/xo_02.JP.err
  head/contrib/libxo/tests/xo/saved/xo_02.JP.out
  head/contrib/libxo/tests/xo/saved/xo_02.T.err
  head/contrib/libxo/tests/xo/saved/xo_02.T.out
  head/contrib/libxo/tests/xo/saved/xo_02.X.err
  head/contrib/libxo/tests/xo/saved/xo_02.X.out
  head/contrib/libxo/tests/xo/saved/xo_02.XP.err
  head/contrib/libxo/tests/xo/saved/xo_02.XP.out
  head/contrib/libxo/tests/xo/xo_01.sh
  head/contrib/libxo/tests/xo/xo_02.sh
  head/contrib/libxo/xo/xo.1
  head/contrib/libxo/xo/xo.c
  head/lib/libxo/xo_config.h
  head/usr.bin/xohtml/xohtml.sh

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