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| author | Cong Wang <xiyou.wangcong@gmail.com> | 2020-08-14 20:05:58 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-03 11:19:22 +0200 |
| commit | e6270d3cd0954707f0c4db83117fb6600b45038d (patch) | |
| tree | 7d8a4ef536919bfc96de6a19dc485b33f6ca544f /tools/perf/scripts/python/syscall-counts.py | |
| parent | 8ddbef045e8cc9fc984995c248478646d959445b (diff) | |
bonding: fix a potential double-unregister
[ Upstream commit 832707021666411d04795c564a4adea5d6b94f17 ]
When we tear down a network namespace, we unregister all
the netdevices within it. So we may queue a slave device
and a bonding device together in the same unregister queue.
If the only slave device is non-ethernet, it would
automatically unregister the bonding device as well. Thus,
we may end up unregistering the bonding device twice.
Workaround this special case by checking reg_state.
Fixes: 9b5e383c11b0 ("net: Introduce unregister_netdevice_many()")
Reported-by: syzbot+af23e7f3e0a7e10c8b67@syzkaller.appspotmail.com
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Cc: Jay Vosburgh <j.vosburgh@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions