[Bug 239799] IP_MINTTL broken

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Aug 13 12:48:35 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239799

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

Author: ae
Date: Tue Aug 13 12:47:54 UTC 2019
New revision: 350974
URL: https://svnweb.freebsd.org/changeset/base/350974

Log:
  Save ip_ttl value and restore it after checksum calculation.

  Since ipvoly is used for checksum calculation, part of original IP
  header is zeroed. This part includes ip_ttl field, that can be used
  later in IP_MINTTL socket option handling.

  PR:           239799
  MFC after:    1 week

Changes:
  head/sys/netinet/tcp_input.c

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