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Groups > linux.kernel > #1538981
| From | Cong Wang <xiyou.wangcong@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: net: deadlock on genl_mutex |
| Date | 2016-12-09 01:40 +0100 |
| Message-ID | <sMhod-4BC-7@gated-at.bofh.it> (permalink) |
| References | <sHOE9-Y9-5@gated-at.bofh.it> <sHONQ-11D-13@gated-at.bofh.it> <sIJCp-4cE-5@gated-at.bofh.it> <sM9Am-8ha-27@gated-at.bofh.it> <sMawp-pF-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Dec 8, 2016 at 9:16 AM, Dmitry Vyukov <dvyukov@google.com> wrote: > Chain exists of: > Possible unsafe locking scenario: > > CPU0 CPU1 > ---- ---- > lock(genl_mutex); > lock(nlk->cb_mutex); > lock(genl_mutex); > lock(rtnl_mutex); > > *** DEADLOCK *** This one looks legitimate, because nlk->cb_mutex could be rtnl_mutex. Let me think about it.
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net: deadlock on genl_mutex Dmitry Vyukov <dvyukov@google.com> - 2016-11-26 18:10 +0100
Re: net: deadlock on genl_mutex Eric Dumazet <edumazet@google.com> - 2016-11-26 18:20 +0100
Re: net: deadlock on genl_mutex subashab@codeaurora.org - 2016-11-29 07:00 +0100
Re: net: deadlock on genl_mutex Eric Dumazet <eric.dumazet@gmail.com> - 2016-11-29 07:10 +0100
Re: net: deadlock on genl_mutex Dmitry Vyukov <dvyukov@google.com> - 2016-12-08 17:20 +0100
Re: net: deadlock on genl_mutex Dmitry Vyukov <dvyukov@google.com> - 2016-12-08 18:20 +0100
Re: net: deadlock on genl_mutex Dmitry Vyukov <dvyukov@google.com> - 2016-12-08 19:10 +0100
Re: net: deadlock on genl_mutex Cong Wang <xiyou.wangcong@gmail.com> - 2016-12-09 01:20 +0100
Re: net: deadlock on genl_mutex Cong Wang <xiyou.wangcong@gmail.com> - 2016-12-09 01:40 +0100
Re: net: deadlock on genl_mutex Cong Wang <xiyou.wangcong@gmail.com> - 2016-12-09 06:10 +0100
Re: net: deadlock on genl_mutex Dmitry Vyukov <dvyukov@google.com> - 2016-12-11 10:50 +0100
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