Tonghao Zhang 66fe317c29 net: openvswitch: ovs_ct_exit to be done under ovs_lock ... [ Upstream commit 27de77cec985233bdf6546437b9761853265c505 ] syzbot wrote: | ============================= | WARNING: suspicious RCU usage | 5.7.0-rc1+ #45 Not tainted | ----------------------------- | net/openvswitch/conntrack.c:1898 RCU-list traversed in non-reader section!! | | other info that might help us debug this: | rcu_scheduler_active = 2, debug_locks = 1 | ... | | stack backtrace: | Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-0-ga698c8995f-prebuilt.qemu.org 04/01/2014 | Workqueue: netns cleanup_net | Call Trace: | ... | ovs_ct_exit | ovs_exit_net | ops_exit_list.isra.7 | cleanup_net | process_one_work | worker_thread To avoid that warning, invoke the ovs_ct_exit under ovs_lock and add lockdep_ovsl_is_held as optional lockdep expression. Link: https://lore.kernel.org/lkml/000000000000e642a905a0cbee6e@google.com Fixes: 11efd5cb04a1 ("openvswitch: Support conntrack zone limit") Cc: Pravin B Shelar <pshelar@ovn.org> Cc: Yi-Hung Wei <yihung.wei@gmail.com> Reported-by: syzbot+7ef50afd3a211f879112@syzkaller.appspotmail.com Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com> Acked-by: Pravin B Shelar <pshelar@ovn.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-03-16 16:26:51 +08:00
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Kconfig	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
Makefile	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
actions.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
conntrack.c	net: openvswitch: ovs_ct_exit to be done under ovs_lock	2021-03-16 16:26:51 +08:00
conntrack.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
datapath.c	net: openvswitch: ovs_ct_exit to be done under ovs_lock	2021-03-16 16:26:51 +08:00
datapath.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
dp_notify.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
flow.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
flow.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
flow_netlink.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
flow_netlink.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
flow_table.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
flow_table.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
meter.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
meter.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
vport-geneve.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
vport-gre.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
vport-internal_dev.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
vport-internal_dev.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
vport-netdev.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
vport-netdev.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
vport-vxlan.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
vport.c	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00
vport.h	Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces.	2021-03-16 11:01:34 +08:00