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27de77cec9
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:
|
||
---|---|---|
.. | ||
actions.c | ||
conntrack.c | ||
conntrack.h | ||
datapath.c | ||
datapath.h | ||
dp_notify.c | ||
flow_netlink.c | ||
flow_netlink.h | ||
flow_table.c | ||
flow_table.h | ||
flow.c | ||
flow.h | ||
Kconfig | ||
Makefile | ||
meter.c | ||
meter.h | ||
vport-geneve.c | ||
vport-gre.c | ||
vport-internal_dev.c | ||
vport-internal_dev.h | ||
vport-netdev.c | ||
vport-netdev.h | ||
vport-vxlan.c | ||
vport.c | ||
vport.h |