https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212649
Bug ID: 212649
Summary: ipfw(8): Referencing a table in the ruleset causes
ipfw list/show to crash with SIGSEGV.
Product: Base System
Version: 11.0-RC1
Hardware: Any
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: kern
Assignee: freebsd-bugs@FreeBSD.org
Reporter: cr...@bultmann.eu
How to reproduce:
ipfw table foo create
ipfw add count all from any to "table(foo)"
ipfw list
Expected result:
A count rule is added to the IPFW rules and `ipfw list` should print all rules
to stdout.
Actual result:
A count rule is added to the IPFW rules and `ipfw list` prints all rules up the
first one using a table. The ipfw tool crashes in print_ip() dereferencing a
NULL pointer on the first rule containing a table as destination.
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