net/sched: Fix UAF when resolving a clash

Xin Longrequested to merge
lxin.redhat/centos-stream-9:JIRA51020 into main

JIRA: https://issues.redhat.com/browse/RHEL-51020 CVE: CVE-2024-41040 Tested: compile only

Signed-off-by: Xin Long lxin@redhat.com

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