[ 12.154405][ T256] ip (256) used greatest stack depth: 23864 bytes left [ 12.311396][ T258] br0: port 1(s0) entered blocking state [ 12.311725][ T258] br0: port 1(s0) entered disabled state [ 12.312019][ T258] s0: entered allmulticast mode [ 12.314208][ T258] s0: entered promiscuous mode [ 12.407854][ T259] bond0: (slave eth0): making interface the new active one [ 12.408802][ T259] bond0: (slave eth0): Enslaving as an active interface with an up link [ 12.410507][ T41] br0: port 1(s0) entered blocking state [ 12.410757][ T41] br0: port 1(s0) entered forwarding state [ 12.836896][ T264] br0: port 2(s1) entered blocking state [ 12.837192][ T264] br0: port 2(s1) entered disabled state [ 12.837388][ T264] s1: entered allmulticast mode [ 12.838928][ T264] s1: entered promiscuous mode [ 12.931163][ T265] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 12.932311][ T41] br0: port 2(s1) entered blocking state [ 12.932531][ T41] br0: port 2(s1) entered forwarding state [ 13.675708][ T275] br0: port 3(c0) entered blocking state [ 13.675923][ T275] br0: port 3(c0) entered disabled state [ 13.676138][ T275] c0: entered allmulticast mode [ 13.677325][ T275] c0: entered promiscuous mode [ 13.762853][ T46] br0: port 3(c0) entered blocking state [ 13.763125][ T46] br0: port 3(c0) entered forwarding state [ 14.679332][ T285] bond0 (unregistering): (slave eth0): Releasing backup interface [ 14.703814][ T285] bond0 (unregistering): (slave eth1): Releasing backup interface [ 14.728417][ T285] bond0 (unregistering): Released all slaves [ 14.745218][ T41] br0: port 1(s0) entered disabled state [ 14.747077][ T41] br0: port 2(s1) entered disabled state [ 14.785501][ T285] ip (285) used greatest stack depth: 23176 bytes left [ 15.013303][ T289] bond0: (slave eth0): making interface the new active one [ 15.013926][ T289] bond0: (slave eth0): Enslaving as an active interface with an up link [ 15.014844][ T41] br0: port 1(s0) entered blocking state [ 15.015035][ T41] br0: port 1(s0) entered forwarding state [ 15.105441][ T290] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 15.106119][ T72] br0: port 2(s1) entered blocking state [ 15.106331][ T72] br0: port 2(s1) entered forwarding state [ 16.880205][ T307] eth0: entered promiscuous mode [ 27.645538][ T352] eth0: left promiscuous mode [ 28.103165][ T353] bond0 (unregistering): (slave eth0): Releasing backup interface [ 28.123886][ T353] bond0 (unregistering): (slave eth1): Releasing backup interface [ 28.146961][ T353] bond0 (unregistering): Released all slaves [ 28.157344][ T39] br0: port 1(s0) entered disabled state [ 28.159100][ T39] br0: port 2(s1) entered disabled state [ 28.197278][ T353] ip (353) used greatest stack depth: 23120 bytes left [ 28.472348][ T358] bond0: (slave eth0): making interface the new active one [ 28.473059][ T358] bond0: (slave eth0): Enslaving as an active interface with an up link [ 28.473659][ T41] br0: port 1(s0) entered blocking state [ 28.473898][ T41] br0: port 1(s0) entered forwarding state [ 28.575400][ T359] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 28.575961][ T46] br0: port 2(s1) entered blocking state [ 28.576153][ T46] br0: port 2(s1) entered forwarding state [ 30.450840][ T63] [ 30.451221][ T63] ============================= [ 30.451456][ T63] WARNING: suspicious RCU usage [ 30.451690][ T63] 6.14.0-rc6-virtme #1 Not tainted [ 30.451899][ T63] ----------------------------- [ 30.452135][ T63] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 30.452512][ T63] [ 30.452512][ T63] other info that might help us debug this: [ 30.452512][ T63] [ 30.452954][ T63] [ 30.452954][ T63] rcu_scheduler_active = 2, debug_locks = 1 [ 30.453317][ T63] 3 locks held by kworker/1:1/63: [ 30.453558][ T63] #0: ffff8880010a9548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0 [ 30.454126][ T63] #1: ffffc90000447d40 ((work_completion)(&port->wq)){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0 [ 30.454655][ T63] #2: ffffffffb175b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 30.455123][ T63] [ 30.455123][ T63] stack backtrace: [ 30.455424][ T63] CPU: 1 UID: 0 PID: 63 Comm: kworker/1:1 Not tainted 6.14.0-rc6-virtme #1 [ 30.455431][ T63] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.455434][ T63] Workqueue: events ipvlan_process_multicast [ 30.455444][ T63] Call Trace: [ 30.455446][ T63] [ 30.455452][ T63] dump_stack_lvl+0xb0/0xd0 [ 30.455463][ T63] lockdep_rcu_suspicious+0x1ea/0x280 [ 30.455483][ T63] dev_hard_start_xmit+0x2fc/0x3f0 [ 30.455506][ T63] __dev_queue_xmit+0xef9/0x1850 [ 30.455535][ T63] ? __pfx___dev_queue_xmit+0x10/0x10 [ 30.455539][ T63] ? find_held_lock+0x2c/0x110 [ 30.455552][ T63] ? __lock_release+0x103/0x460 [ 30.455556][ T63] ? ipvlan_process_multicast+0x746/0xc70 [ 30.455564][ T63] ? __pfx___lock_release+0x10/0x10 [ 30.455570][ T63] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.455594][ T63] ? ipvlan_process_multicast+0x746/0xc70 [ 30.455610][ T63] ipvlan_process_multicast+0x8c9/0xc70 [ 30.455639][ T63] ? __pfx_ipvlan_process_multicast+0x10/0x10 [ 30.455650][ T63] ? __pfx___lock_release+0x10/0x10 [ 30.455657][ T63] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 30.455667][ T63] ? trace_lock_acquire+0x14c/0x1f0 [ 30.455672][ T63] ? trace_lock_acquire+0x14c/0x1f0 [ 30.455687][ T63] ? lock_acquire+0x32/0xc0 [ 30.455701][ T63] ? process_one_work+0xe55/0x16d0 [ 30.455706][ T63] ? process_one_work+0xe0b/0x16d0 [ 30.455711][ T63] process_one_work+0xe55/0x16d0 [ 30.455735][ T63] ? __pfx___lock_release+0x10/0x10 [ 30.455743][ T63] ? __pfx_process_one_work+0x10/0x10 [ 30.455769][ T63] ? assign_work+0x16c/0x240 [ 30.455787][ T63] worker_thread+0x58c/0xce0 [ 30.455798][ T63] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 30.455820][ T63] ? __pfx_worker_thread+0x10/0x10 [ 30.455832][ T63] kthread+0x359/0x5d0 [ 30.455841][ T63] ? __pfx_kthread+0x10/0x10 [ 30.455856][ T63] ? __pfx_kthread+0x10/0x10 [ 30.455867][ T63] ret_from_fork+0x31/0x70 [ 30.455873][ T63] ? __pfx_kthread+0x10/0x10 [ 30.455879][ T63] ret_from_fork_asm+0x1a/0x30 [ 30.455920][ T63] [ 41.629153][ T422] bond0 (unregistering): (slave eth0): Releasing backup interface [ 41.651345][ T422] bond0 (unregistering): (slave eth1): Releasing backup interface [ 41.681158][ T422] bond0 (unregistering): Released all slaves [ 41.690298][ T46] br0: port 1(s0) entered disabled state [ 41.691802][ T46] br0: port 2(s1) entered disabled state [ 41.997899][ T426] bond0: (slave eth0): making interface the new active one [ 41.998920][ T426] bond0: (slave eth0): Enslaving as an active interface with an up link [ 41.999764][ T46] br0: port 1(s0) entered blocking state [ 41.999962][ T46] br0: port 1(s0) entered forwarding state [ 42.099717][ T427] bond0: (slave eth1): Enslaving as an active interface with an up link [ 42.100387][ T46] br0: port 2(s1) entered blocking state [ 42.100662][ T46] br0: port 2(s1) entered forwarding state [ 44.342046][ T447] eth0: entered promiscuous mode [ 55.041846][ T492] eth0: left promiscuous mode [ 55.480036][ T493] bond0 (unregistering): (slave eth0): Releasing active interface [ 55.509561][ T493] bond0 (unregistering): (slave eth1): Releasing active interface [ 55.526264][ T493] bond0 (unregistering): Released all slaves [ 55.534442][ T72] br0: port 1(s0) entered disabled state [ 55.536427][ T72] br0: port 2(s1) entered disabled state [ 55.813266][ T497] bond0: (slave eth0): making interface the new active one [ 55.813997][ T497] bond0: (slave eth0): Enslaving as an active interface with an up link [ 55.814560][ T41] br0: port 1(s0) entered blocking state [ 55.814757][ T41] br0: port 1(s0) entered forwarding state [ 55.947765][ T498] bond0: (slave eth1): Enslaving as an active interface with an up link [ 55.948633][ T41] br0: port 2(s1) entered blocking state [ 55.948933][ T41] br0: port 2(s1) entered forwarding state [ 69.625251][ T567] bond0 (unregistering): (slave eth0): Releasing active interface [ 69.655449][ T567] bond0 (unregistering): (slave eth1): Releasing active interface [ 69.679268][ T567] bond0 (unregistering): Released all slaves [ 69.689082][ T39] br0: port 1(s0) entered disabled state [ 69.690362][ T39] br0: port 2(s1) entered disabled state [ 70.000672][ T571] bond0: (slave eth0): making interface the new active one [ 70.001593][ T571] bond0: (slave eth0): Enslaving as an active interface with an up link [ 70.002268][ T41] br0: port 1(s0) entered blocking state [ 70.002606][ T41] br0: port 1(s0) entered forwarding state [ 70.098621][ T572] bond0: (slave eth1): Enslaving as an active interface with an up link [ 70.099531][ T41] br0: port 2(s1) entered blocking state [ 70.099836][ T41] br0: port 2(s1) entered forwarding state [ 71.737951][ T586] eth0: entered promiscuous mode [ 82.418666][ T631] eth0: left promiscuous mode [ 82.863489][ T632] bond0 (unregistering): (slave eth0): Releasing active interface [ 82.875667][ T632] bond0 (unregistering): (slave eth1): Releasing active interface [ 82.891585][ T632] bond0 (unregistering): Released all slaves [ 82.900118][ T354] br0: port 1(s0) entered disabled state [ 82.901434][ T354] br0: port 2(s1) entered disabled state [ 83.196522][ T636] bond0: (slave eth0): making interface the new active one [ 83.197421][ T636] bond0: (slave eth0): Enslaving as an active interface with an up link [ 83.198003][ T72] br0: port 1(s0) entered blocking state [ 83.198219][ T72] br0: port 1(s0) entered forwarding state [ 83.281599][ T637] bond0: (slave eth1): Enslaving as an active interface with an up link [ 83.282240][ T41] br0: port 2(s1) entered blocking state [ 83.282490][ T41] br0: port 2(s1) entered forwarding state [ 95.566970][ T696] br0: port 3(c0) entered disabled state [ 95.723851][ T696] c0 (unregistering): left allmulticast mode [ 95.724207][ T696] c0 (unregistering): left promiscuous mode [ 95.724454][ T696] br0: port 3(c0) entered disabled state [ 96.090442][ T703] br0: port 1(s0) entered disabled state [ 96.172650][ T703] bond0: (slave eth0): Releasing active interface [ 96.172991][ T703] bond0: (slave eth0): the permanent HWaddr of slave - 7e:9e:3c:e0:1b:85 - is still in use by bond - set the HWaddr of slave to a different address to avoid conflicts [ 96.173791][ T703] bond0: (slave eth1): making interface the new active one [ 96.274635][ T703] s0 (unregistering): left allmulticast mode [ 96.274995][ T703] s0 (unregistering): left promiscuous mode [ 96.275252][ T703] br0: port 1(s0) entered disabled state [ 96.381938][ T704] br0: port 2(s1) entered disabled state [ 96.467724][ T704] bond0: (slave eth1): Releasing active interface [ 96.587901][ T704] s1 (unregistering): left allmulticast mode [ 96.588276][ T704] s1 (unregistering): left promiscuous mode [ 96.588537][ T704] br0: port 2(s1) entered disabled state [ 97.062134][ T266] bond0 (unregistering): Released all slaves