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| author | Cong Wang <xiyou.wangcong@gmail.com> | 2018-09-27 23:42:19 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-10-02 09:09:41 +0300 |
| commit | 460b360104d51552a57f39e54b2589c9fd7fa0b3 (patch) | |
| tree | 84082e01896498cde177e058e72e6509786055bf /drivers/net/ethernet | |
| parent | a1fa80802cb02cb043fd61b87bc81c06a38b4bb1 (diff) | |
| download | linux-460b360104d51552a57f39e54b2589c9fd7fa0b3.tar.xz | |
net_sched: fix a crash in tc_new_tfilter()
When tcf_block_find() fails, it already rollbacks the qdisc refcnt,
so its caller doesn't need to clean up this again. Avoid calling
qdisc_put() again by resetting qdisc to NULL for callers.
Reported-by: syzbot+37b8770e6d5a8220a039@syzkaller.appspotmail.com
Fixes: e368fdb61d8e ("net: sched: use Qdisc rcu API instead of relying on rtnl lock")
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
0 files changed, 0 insertions, 0 deletions