Commit 68064402 authored by Peilin Ye's avatar Peilin Ye Committed by sanglipeng
Browse files

net/sched: sch_ingress: Only create under TC_H_INGRESS

stable inclusion
from stable-v5.10.183
commit 1b0163b2dc3b5b1f20ceecf04f11e2ba6b3066ca
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8IRR2

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1b0163b2dc3b5b1f20ceecf04f11e2ba6b3066ca



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[ Upstream commit c7cfbd11 ]

ingress Qdiscs are only supposed to be created under TC_H_INGRESS.
Return -EOPNOTSUPP if 'parent' is not TC_H_INGRESS, similar to
mq_init().

Fixes: 1da177e4 ("Linux-2.6.12-rc2")
Reported-by: default avatar <syzbot+b53a9c0d1ea4ad62da8b@syzkaller.appspotmail.com>
Closes: https://lore.kernel.org/r/0000000000006cf87705f79acf1a@google.com/


Tested-by: default avatarPedro Tammela <pctammela@mojatatu.com>
Acked-by: default avatarJamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: default avatarJamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: default avatarVlad Buslov <vladbu@nvidia.com>
Signed-off-by: default avatarPeilin Ye <peilin.ye@bytedance.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarsanglipeng <sanglipeng1@jd.com>
parent 1e4d1797
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