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Subject: [Bug 202540] libteken assert() fail on teken.c line 231
Date: Fri, 21 Aug 2015 06:30:49 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202540

--- Comment #1 from commit-hook@freebsd.org ---
A commit references this bug:

Author: ed
Date: Fri Aug 21 06:30:13 UTC 2015
New revision: 286981
URL: https://svnweb.freebsd.org/changeset/base/286981

Log:
  Don't truncate cursor arithmetic to 16 bits.

  When updating the row number when the cursor position escape sequence is
  issued, we should make sure to store the intermediate result in a 32-bit
  integer. If we fail to do this, the cursor may be set above the origin
  region, which is bad.

  This could cause libteken to crash when INVARIANTS is enabled, due to
  the strict set of assertions that libteken has.

  PR:        202540
  Reported by:    kcwu csie org
  MFC after:    1 month

Changes:
  head/sys/teken/teken_subr.h

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