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SubjectRe: KASAN: use-after-free Read in tc_chain_fill_node
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This bug is marked as fixed by commit:
net: core: netlink: add helper refcount dec and lock function
net: sched: add helper function to take reference to Qdisc
net: sched: extend Qdisc with rcu
net: sched: rename qdisc_destroy() to qdisc_put()
net: sched: use Qdisc rcu API instead of relying on rtnl lock

But I can't find it in the tested trees[1] for more than 90 days.
Is it a correct commit? Please update it by replying:

#syz fix: exact-commit-title

Until then the bug is still considered open and new crashes with
the same signature are ignored.

Kernel: Linux 4.19
Dashboard link: https://syzkaller.appspot.com/bug?extid=5f229e48cccc804062c0

---
[1] I expect the commit to be present in:

1. linux-4.19.y branch of
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git

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