https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222512
Bug ID: 222512
Summary: [netgraph] ng_con_nodes calls ng_findhook() on
unprotected node2
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
ng_con_nodes() receives two nodes are parameters, 'node' is referenced and
locked while 'node2' is just referenced. Calling ng_findhook(node2) is racy
with any hook modifications of node2.
The call should be removed as the check is also done, and with correct locking,
in ng_con_part2(). It's just a little bit too noisy right now.
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