Description: sch_htb: fix refcount leak in htb_parent_to_leaf_offload
References:
Notes:
 carnil> Introduced in ae81feb7338c ("sch_htb: fix null pointer dereference on a null
 carnil> new_q"). Vulnerable versions: 5.12-rc7.
Bugs:
upstream: released (5.13-rc5) [944d671d5faa0d78980a3da5c0f04960ef1ad893]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: N/A "Vulnerable code not present"
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"