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charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2 Jun 2025 15:45:55 +0200, Greg Kroah-Hartman wrote: > 5.4-stable review patch. If anyone has any objections, please let me kno= w. >=20 > ------------------ >=20 > From: Cong Wang >=20 > commit 5ba8b837b522d7051ef81bacf3d95383ff8edce5 upstream. >=20 > htb_qlen_notify() always deactivates the HTB class and in fact could > trigger a warning if it is already deactivated. Therefore, it is not > idempotent and not friendly to its callers, like fq_codel_dequeue(). Any reason=C2=A0why the entire patch series wasn't backported? https://lore.kernel.org/netdev/20250403211033.166059-1-xiyou.wangcong@gmail= .com/ Only one file in the patch series isn't present: $ ls net/sched/sch_{codel,drr,ets,fq_codel,hfsc,htb,qfq}.c > /dev/null ls: cannot access 'net/sched/sch_ets.c': No such file or directory This commit is a part of a larger fix so it alone doesn't make sense. There is a CVE identifier for this commit, but it's a partial fix for the overall issue. 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