[ 10.938869][ T257] ip (257) used greatest stack depth: 23112 bytes left [ 11.098651][ T259] br0: port 1(s0) entered blocking state [ 11.099043][ T259] br0: port 1(s0) entered disabled state [ 11.099399][ T259] s0: entered allmulticast mode [ 11.100627][ T259] s0: entered promiscuous mode [ 11.180318][ T260] bond0: (slave eth0): making interface the new active one [ 11.180908][ T260] bond0: (slave eth0): Enslaving as an active interface with an up link [ 11.183117][ T41] br0: port 1(s0) entered blocking state [ 11.183444][ T41] br0: port 1(s0) entered forwarding state [ 11.559568][ T265] br0: port 2(s1) entered blocking state [ 11.559801][ T265] br0: port 2(s1) entered disabled state [ 11.560006][ T265] s1: entered allmulticast mode [ 11.561513][ T265] s1: entered promiscuous mode [ 11.652013][ T266] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 11.653248][ T40] br0: port 2(s1) entered blocking state [ 11.653442][ T40] br0: port 2(s1) entered forwarding state [ 12.450632][ T276] br0: port 3(c0) entered blocking state [ 12.450864][ T276] br0: port 3(c0) entered disabled state [ 12.451193][ T276] c0: entered allmulticast mode [ 12.452413][ T276] c0: entered promiscuous mode [ 12.535942][ T40] br0: port 3(c0) entered blocking state [ 12.536267][ T40] br0: port 3(c0) entered forwarding state [ 13.531370][ T286] bond0 (unregistering): (slave eth0): Releasing backup interface [ 13.555163][ T286] bond0 (unregistering): (slave eth1): Releasing backup interface [ 13.578663][ T286] bond0 (unregistering): Released all slaves [ 13.595376][ T40] br0: port 1(s0) entered disabled state [ 13.597449][ T40] br0: port 2(s1) entered disabled state [ 13.897733][ T290] bond0: (slave eth0): making interface the new active one [ 13.899165][ T290] bond0: (slave eth0): Enslaving as an active interface with an up link [ 13.899930][ T41] br0: port 1(s0) entered blocking state [ 13.900165][ T41] br0: port 1(s0) entered forwarding state [ 14.010225][ T291] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 14.010759][ T41] br0: port 2(s1) entered blocking state [ 14.010948][ T41] br0: port 2(s1) entered forwarding state [ 16.018734][ T311] eth0: entered promiscuous mode [ 26.245558][ T356] eth0: left promiscuous mode [ 26.678644][ T357] bond0 (unregistering): (slave eth0): Releasing backup interface [ 26.700874][ T357] bond0 (unregistering): (slave eth1): Releasing backup interface [ 26.722068][ T357] bond0 (unregistering): Released all slaves [ 26.730233][ T41] br0: port 1(s0) entered disabled state [ 26.732621][ T41] br0: port 2(s1) entered disabled state [ 26.974343][ T361] bond0: (slave eth0): making interface the new active one [ 26.975011][ T361] bond0: (slave eth0): Enslaving as an active interface with an up link [ 26.975485][ T41] br0: port 1(s0) entered blocking state [ 26.975668][ T41] br0: port 1(s0) entered forwarding state [ 27.063191][ T362] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 27.063871][ T40] br0: port 2(s1) entered blocking state [ 27.064163][ T40] br0: port 2(s1) entered forwarding state [ 29.417386][ T11] [ 29.417698][ T11] ============================= [ 29.417859][ T11] WARNING: suspicious RCU usage [ 29.418014][ T11] 6.14.0-rc6-virtme #1 Not tainted [ 29.418190][ T11] ----------------------------- [ 29.418341][ T11] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 29.418600][ T11] [ 29.418600][ T11] other info that might help us debug this: [ 29.418600][ T11] [ 29.418911][ T11] [ 29.418911][ T11] rcu_scheduler_active = 2, debug_locks = 1 [ 29.419148][ T11] 3 locks held by kworker/0:1/11: [ 29.419314][ T11] #0: ffff8880010a9548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0 [ 29.419637][ T11] #1: ffffc900000b7d40 ((work_completion)(&port->wq)){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0 [ 29.419949][ T11] #2: ffffffff9675b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 29.420236][ T11] [ 29.420236][ T11] stack backtrace: [ 29.420425][ T11] CPU: 0 UID: 0 PID: 11 Comm: kworker/0:1 Not tainted 6.14.0-rc6-virtme #1 [ 29.420429][ T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.420431][ T11] Workqueue: events ipvlan_process_multicast [ 29.420438][ T11] Call Trace: [ 29.420440][ T11] [ 29.420443][ T11] dump_stack_lvl+0xb0/0xd0 [ 29.420450][ T11] lockdep_rcu_suspicious+0x1ea/0x280 [ 29.420461][ T11] dev_hard_start_xmit+0x2fc/0x3f0 [ 29.420472][ T11] __dev_queue_xmit+0xef9/0x1850 [ 29.420488][ T11] ? __pfx___dev_queue_xmit+0x10/0x10 [ 29.420491][ T11] ? find_held_lock+0x2c/0x110 [ 29.420499][ T11] ? __lock_release+0x103/0x460 [ 29.420501][ T11] ? ipvlan_process_multicast+0x746/0xc70 [ 29.420506][ T11] ? __pfx___lock_release+0x10/0x10 [ 29.420509][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 29.420522][ T11] ? ipvlan_process_multicast+0x746/0xc70 [ 29.420530][ T11] ipvlan_process_multicast+0x8c9/0xc70 [ 29.420547][ T11] ? __pfx_ipvlan_process_multicast+0x10/0x10 [ 29.420553][ T11] ? __pfx___lock_release+0x10/0x10 [ 29.420557][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 29.420561][ T11] ? trace_lock_acquire+0x14c/0x1f0 [ 29.420564][ T11] ? trace_lock_acquire+0x14c/0x1f0 [ 29.420572][ T11] ? lock_acquire+0x32/0xc0 [ 29.420580][ T11] ? process_one_work+0xe55/0x16d0 [ 29.420583][ T11] ? process_one_work+0xe0b/0x16d0 [ 29.420586][ T11] process_one_work+0xe55/0x16d0 [ 29.420599][ T11] ? __pfx___lock_release+0x10/0x10 [ 29.420604][ T11] ? __pfx_process_one_work+0x10/0x10 [ 29.420617][ T11] ? assign_work+0x16c/0x240 [ 29.420626][ T11] worker_thread+0x58c/0xce0 [ 29.420631][ T11] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 29.420641][ T11] ? __pfx_worker_thread+0x10/0x10 [ 29.420648][ T11] kthread+0x359/0x5d0 [ 29.420654][ T11] ? __pfx_kthread+0x10/0x10 [ 29.420663][ T11] ? __pfx_kthread+0x10/0x10 [ 29.420669][ T11] ret_from_fork+0x31/0x70 [ 29.420673][ T11] ? __pfx_kthread+0x10/0x10 [ 29.420677][ T11] ret_from_fork_asm+0x1a/0x30 [ 29.420698][ T11] [ 40.117566][ T431] bond0 (unregistering): (slave eth0): Releasing backup interface [ 40.139899][ T431] bond0 (unregistering): (slave eth1): Releasing backup interface [ 40.160181][ T431] bond0 (unregistering): Released all slaves [ 40.168184][ T46] br0: port 1(s0) entered disabled state [ 40.169498][ T46] br0: port 2(s1) entered disabled state [ 40.426617][ T435] bond0: (slave eth0): making interface the new active one [ 40.427500][ T435] bond0: (slave eth0): Enslaving as an active interface with an up link [ 40.428257][ T274] br0: port 1(s0) entered blocking state [ 40.428490][ T274] br0: port 1(s0) entered forwarding state [ 40.512206][ T436] bond0: (slave eth1): Enslaving as an active interface with an up link [ 40.512829][ T46] br0: port 2(s1) entered blocking state [ 40.513019][ T46] br0: port 2(s1) entered forwarding state [ 42.857771][ T459] eth0: entered promiscuous mode [ 53.141301][ T504] eth0: left promiscuous mode [ 53.568413][ T505] bond0 (unregistering): (slave eth0): Releasing active interface [ 53.591854][ T505] bond0 (unregistering): (slave eth1): Releasing active interface [ 53.611199][ T505] bond0 (unregistering): Released all slaves [ 53.625425][ T46] br0: port 1(s0) entered disabled state [ 53.626893][ T46] br0: port 2(s1) entered disabled state [ 53.914319][ T509] bond0: (slave eth0): making interface the new active one [ 53.915391][ T509] bond0: (slave eth0): Enslaving as an active interface with an up link [ 53.916465][ T46] br0: port 1(s0) entered blocking state [ 53.916681][ T46] br0: port 1(s0) entered forwarding state [ 54.024496][ T510] bond0: (slave eth1): Enslaving as an active interface with an up link [ 54.025059][ T62] br0: port 2(s1) entered blocking state [ 54.025270][ T62] br0: port 2(s1) entered forwarding state [ 66.811396][ T573] bond0 (unregistering): (slave eth0): Releasing active interface [ 66.835945][ T573] bond0 (unregistering): (slave eth1): Releasing active interface [ 66.857382][ T573] bond0 (unregistering): Released all slaves [ 66.878462][ T274] br0: port 1(s0) entered disabled state [ 66.879664][ T274] br0: port 2(s1) entered disabled state [ 67.151153][ T577] bond0: (slave eth0): making interface the new active one [ 67.152068][ T577] bond0: (slave eth0): Enslaving as an active interface with an up link [ 67.152631][ T62] br0: port 1(s0) entered blocking state [ 67.152836][ T62] br0: port 1(s0) entered forwarding state [ 67.240547][ T578] bond0: (slave eth1): Enslaving as an active interface with an up link [ 67.241190][ T40] br0: port 2(s1) entered blocking state [ 67.241395][ T40] br0: port 2(s1) entered forwarding state [ 68.955706][ T595] eth0: entered promiscuous mode [ 79.505134][ T640] eth0: left promiscuous mode [ 79.933421][ T641] bond0 (unregistering): (slave eth0): Releasing active interface [ 79.956449][ T641] bond0 (unregistering): (slave eth1): Releasing active interface [ 79.979079][ T641] bond0 (unregistering): Released all slaves [ 79.987782][ T62] br0: port 1(s0) entered disabled state [ 79.997330][ T62] br0: port 2(s1) entered disabled state [ 80.257571][ T646] bond0: (slave eth0): making interface the new active one [ 80.258534][ T646] bond0: (slave eth0): Enslaving as an active interface with an up link [ 80.259128][ T40] br0: port 1(s0) entered blocking state [ 80.259319][ T40] br0: port 1(s0) entered forwarding state [ 80.356165][ T647] bond0: (slave eth1): Enslaving as an active interface with an up link [ 80.356874][ T62] br0: port 2(s1) entered blocking state [ 80.357106][ T62] br0: port 2(s1) entered forwarding state [ 92.833882][ T709] br0: port 3(c0) entered disabled state [ 92.990744][ T709] c0 (unregistering): left allmulticast mode [ 92.991094][ T709] c0 (unregistering): left promiscuous mode [ 92.991314][ T709] br0: port 3(c0) entered disabled state [ 93.361735][ T716] br0: port 1(s0) entered disabled state [ 93.439735][ T716] bond0: (slave eth0): Releasing active interface [ 93.440129][ T716] bond0: (slave eth0): the permanent HWaddr of slave - 06:8f:2e:f3:89:35 - is still in use by bond - set the HWaddr of slave to a different address to avoid conflicts [ 93.440865][ T716] bond0: (slave eth1): making interface the new active one [ 93.556816][ T716] s0 (unregistering): left allmulticast mode [ 93.557259][ T716] s0 (unregistering): left promiscuous mode [ 93.557515][ T716] br0: port 1(s0) entered disabled state [ 93.676860][ T717] br0: port 2(s1) entered disabled state [ 93.756904][ T717] bond0: (slave eth1): Releasing active interface [ 93.885774][ T717] s1 (unregistering): left allmulticast mode [ 93.886150][ T717] s1 (unregistering): left promiscuous mode [ 93.886393][ T717] br0: port 2(s1) entered disabled state [ 94.188975][ T261] bond0 (unregistering): Released all slaves