https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212576
Bug ID: 212576
Summary: vnet jail startup and shutdown destroys ipfw object
rewriter list
Product: Base System
Version: 11.0-RC1
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: freebsd-bugs@FreeBSD.org
Reporter: aver...@gmail.com
In ip_fw2.c the functions ipfw_init_obj_rewriter and ipfw_destroy_obj_rewriter
are called per vnet but the ctl3_rewriters and ctl3_rsize variables in
ip_fw_sockopt.c file are system global.
This causes the rewriter list to be wiped out on vnet startup (and again at
vnet shutdown but that has no effect on a now empty list). The result is a
very small memory leak in the kernel and the "ipfw list" command will segfault
if tables are defined as the kernel will not return the table names.
Running 11.0-RC2 but it wasn't in the list.
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