https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255879
Bug ID: 255879
Summary: [PATCH] netpfil/ipfw: Fix a double free in
codel_enqueue
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Created attachment 224942
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=224942&action=edit
removes the redundant m_freem() in drop branch.
Bug File: sys/netpfil/ipfw/dn_sched_fq_codel.c
In function codel_enqueue, m is freed via m_freem() at line 193.
But the freed m is freed again in the drop branch via m_freem() at line 205,
which is a double free bug.
My patch removes the redundant m_freem() in drop branch.
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