[ 3836.345586][ T4987] br0: port 1(swp1) entered blocking state [ 3836.345878][ T4987] br0: port 1(swp1) entered disabled state [ 3836.346122][ T4987] swp1: entered allmulticast mode [ 3836.347344][ T4987] swp1: entered promiscuous mode [ 3836.609226][ T4990] br0: port 2(vx0) entered blocking state [ 3836.609686][ T4990] br0: port 2(vx0) entered disabled state [ 3836.609905][ T4990] vx0: entered allmulticast mode [ 3836.611187][ T4990] vx0: entered promiscuous mode [ 3836.612050][ T4990] br0: port 2(vx0) entered blocking state [ 3836.612660][ T4990] br0: port 2(vx0) entered forwarding state [ 3837.082181][T32285] br0: port 1(swp1) entered blocking state [ 3837.082433][T32285] br0: port 1(swp1) entered forwarding state [ 3838.030195][ T5007] br0: port 1(swp1) entered blocking state [ 3838.030548][ T5007] br0: port 1(swp1) entered disabled state [ 3838.030810][ T5007] swp1: entered allmulticast mode [ 3838.032012][ T5007] swp1: entered promiscuous mode [ 3838.043987][ T38] br0: port 1(swp1) entered blocking state [ 3838.044227][ T38] br0: port 1(swp1) entered forwarding state [ 3838.292448][ T5010] br0: port 2(vx0) entered blocking state [ 3838.292768][ T5010] br0: port 2(vx0) entered disabled state [ 3838.292987][ T5010] vx0: entered allmulticast mode [ 3838.294224][ T5010] vx0: entered promiscuous mode [ 3838.295301][ T5010] br0: port 2(vx0) entered blocking state [ 3838.295511][ T5010] br0: port 2(vx0) entered forwarding state [ 3844.291021][ T5023] GACT probability NOT on [ 3844.454856][ T5025] [ 3844.455136][ T5025] ============================= [ 3844.455334][ T5025] WARNING: suspicious RCU usage [ 3844.455711][ T5025] 6.14.0-rc6-virtme #1 Not tainted [ 3844.455891][ T5025] ----------------------------- [ 3844.456060][ T5025] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 3844.456355][ T5025] [ 3844.456355][ T5025] other info that might help us debug this: [ 3844.456355][ T5025] [ 3844.456708][ T5025] [ 3844.456708][ T5025] rcu_scheduler_active = 2, debug_locks = 1 [ 3844.456968][ T5025] 1 lock held by arping/5025: [ 3844.457141][ T5025] #0: ffffffffb796f640 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f5/0x18d0 [ 3844.457461][ T5025] [ 3844.457461][ T5025] stack backtrace: [ 3844.457687][ T5025] CPU: 3 UID: 0 PID: 5025 Comm: arping Not tainted 6.14.0-rc6-virtme #1 [ 3844.457691][ T5025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3844.457693][ T5025] Call Trace: [ 3844.457695][ T5025] [ 3844.457697][ T5025] dump_stack_lvl+0xb0/0xd0 [ 3844.457705][ T5025] lockdep_rcu_suspicious+0x1ea/0x280 [ 3844.457717][ T5025] dev_hard_start_xmit+0x2fc/0x3f0 [ 3844.457728][ T5025] __dev_queue_xmit+0xfaa/0x18d0 [ 3844.457732][ T5025] ? _copy_from_iter+0x1d2/0x12e0 [ 3844.457750][ T5025] ? __pfx___dev_queue_xmit+0x10/0x10 [ 3844.457755][ T5025] ? packet_parse_headers+0x243/0x9d0 [ 3844.457766][ T5025] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 3844.457773][ T5025] ? __pfx_packet_parse_headers+0x10/0x10 [ 3844.457777][ T5025] ? skb_copy_datagram_from_iter+0xe6/0x6e0 [ 3844.457784][ T5025] ? dev_get_by_index+0xb2/0x190 [ 3844.457795][ T5025] packet_snd+0xd0d/0x19c0 [ 3844.457807][ T5025] ? __lock_release+0x103/0x460 [ 3844.457810][ T5025] ? __might_fault+0x11b/0x170 [ 3844.457816][ T5025] ? __pfx_packet_snd+0x10/0x10 [ 3844.457819][ T5025] ? trace_lock_acquire+0x14c/0x1f0 [ 3844.457822][ T5025] ? __pfx___lock_release+0x10/0x10 [ 3844.457828][ T5025] ? lock_acquire+0x32/0xc0 [ 3844.457834][ T5025] ? __might_fault+0x11b/0x170 [ 3844.457845][ T5025] __sys_sendto+0x3c3/0x450 [ 3844.457851][ T5025] ? __pfx___sys_sendto+0x10/0x10 [ 3844.457864][ T5025] ? __lock_release+0x103/0x460 [ 3844.457868][ T5025] ? __pfx___lock_release+0x10/0x10 [ 3844.457876][ T5025] ? __pfx___up_read+0x10/0x10 [ 3844.457882][ T5025] ? do_user_addr_fault+0x374/0xe30 [ 3844.457893][ T5025] ? do_user_addr_fault+0x374/0xe30 [ 3844.457900][ T5025] __x64_sys_sendto+0xe0/0x1c0 [ 3844.457905][ T5025] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 3844.457909][ T5025] do_syscall_64+0xc1/0x1d0 [ 3844.457916][ T5025] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 3844.457921][ T5025] RIP: 0033:0x7ffaa5e84a4a [ 3844.457925][ T5025] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 [ 3844.457928][ T5025] RSP: 002b:00007fffffeef2c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 3844.457931][ T5025] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007ffaa5e84a4a [ 3844.457933][ T5025] RDX: 000000000000001c RSI: 00007fffffeef2e0 RDI: 0000000000000005 [ 3844.457935][ T5025] RBP: 00007fffffeef430 R08: 00007fffffef0890 R09: 0000000000000014 [ 3844.457937][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffffef0b68 [ 3844.457939][ T5025] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007ffaa5f8a000 [ 3844.457956][ T5025] [ 3854.627425][ T67] br0: port 1(swp1) entered disabled state [ 3854.746334][ T67] swp1 (unregistering): left allmulticast mode [ 3854.746685][ T67] swp1 (unregistering): left promiscuous mode [ 3854.746910][ T67] br0: port 1(swp1) entered disabled state [ 3854.964941][ T67] br0: port 1(swp1) entered disabled state [ 3855.153337][ T67] swp1 (unregistering): left allmulticast mode [ 3855.153592][ T67] swp1 (unregistering): left promiscuous mode [ 3855.153826][ T67] br0: port 1(swp1) entered disabled state [ 3855.232555][ T67] vx0: left allmulticast mode [ 3855.232783][ T67] vx0: left promiscuous mode [ 3855.233080][ T67] br0: port 2(vx0) entered disabled state [ 3855.583936][ T67] vx0: left allmulticast mode [ 3855.584189][ T67] vx0: left promiscuous mode [ 3855.584504][ T67] br0: port 2(vx0) entered disabled state [ 3861.805540][ T5251] br0: port 1(swp1) entered blocking state [ 3861.805880][ T5251] br0: port 1(swp1) entered disabled state [ 3861.806149][ T5251] swp1: entered allmulticast mode [ 3861.807374][ T5251] swp1: entered promiscuous mode [ 3862.059169][ T5254] br0: port 2(vx0) entered blocking state [ 3862.059490][ T5254] br0: port 2(vx0) entered disabled state [ 3862.060776][ T5254] vx0: entered allmulticast mode [ 3862.062043][ T5254] vx0: entered promiscuous mode [ 3862.062534][ T5254] br0: port 2(vx0) entered blocking state [ 3862.062743][ T5254] br0: port 2(vx0) entered forwarding state [ 3862.698322][ T4220] br0: port 1(swp1) entered blocking state [ 3862.698585][ T4220] br0: port 1(swp1) entered forwarding state [ 3863.438575][ T5271] br0: port 1(swp1) entered blocking state [ 3863.438935][ T5271] br0: port 1(swp1) entered disabled state [ 3863.439189][ T5271] swp1: entered allmulticast mode [ 3863.440403][ T5271] swp1: entered promiscuous mode [ 3863.452255][ T38] br0: port 1(swp1) entered blocking state [ 3863.452539][ T38] br0: port 1(swp1) entered forwarding state [ 3863.697999][ T5274] br0: port 2(vx0) entered blocking state [ 3863.698309][ T5274] br0: port 2(vx0) entered disabled state [ 3863.698535][ T5274] vx0: entered allmulticast mode [ 3863.699790][ T5274] vx0: entered promiscuous mode [ 3863.700462][ T5274] br0: port 2(vx0) entered blocking state [ 3863.700676][ T5274] br0: port 2(vx0) entered forwarding state [ 3887.773830][ T67] br0: port 1(swp1) entered disabled state [ 3887.900355][ T67] swp1 (unregistering): left allmulticast mode [ 3887.900640][ T67] swp1 (unregistering): left promiscuous mode [ 3887.900863][ T67] br0: port 1(swp1) entered disabled state [ 3888.101137][ T67] br0: port 1(swp1) entered disabled state [ 3888.239400][ T67] swp1 (unregistering): left allmulticast mode [ 3888.239692][ T67] swp1 (unregistering): left promiscuous mode [ 3888.239899][ T67] br0: port 1(swp1) entered disabled state [ 3888.400638][ T67] vx0: left allmulticast mode [ 3888.400871][ T67] vx0: left promiscuous mode [ 3888.401172][ T67] br0: port 2(vx0) entered disabled state [ 3888.773320][ T67] vx0: left allmulticast mode [ 3888.773620][ T67] vx0: left promiscuous mode [ 3888.773958][ T67] br0: port 2(vx0) entered disabled state [ 3895.243122][ T5512] br0: port 1(swp1) entered blocking state [ 3895.243386][ T5512] br0: port 1(swp1) entered disabled state [ 3895.243638][ T5512] swp1: entered allmulticast mode [ 3895.245499][ T5512] swp1: entered promiscuous mode [ 3895.538985][ T5515] br0: port 2(vx0) entered blocking state [ 3895.539314][ T5515] br0: port 2(vx0) entered disabled state [ 3895.539528][ T5515] vx0: entered allmulticast mode [ 3895.541870][ T5515] vx0: entered promiscuous mode [ 3895.542429][ T5515] br0: port 2(vx0) entered blocking state [ 3895.542642][ T5515] br0: port 2(vx0) entered forwarding state [ 3896.026299][ T4220] br0: port 1(swp1) entered blocking state [ 3896.026658][ T4220] br0: port 1(swp1) entered forwarding state [ 3897.012069][ T5532] br0: port 1(swp1) entered blocking state [ 3897.012397][ T5532] br0: port 1(swp1) entered disabled state [ 3897.012659][ T5532] swp1: entered allmulticast mode [ 3897.013882][ T5532] swp1: entered promiscuous mode [ 3897.017498][ T38] br0: port 1(swp1) entered blocking state [ 3897.017772][ T38] br0: port 1(swp1) entered forwarding state [ 3897.291224][ T5535] br0: port 2(vx0) entered blocking state [ 3897.291526][ T5535] br0: port 2(vx0) entered disabled state [ 3897.292355][ T5535] vx0: entered allmulticast mode [ 3897.293580][ T5535] vx0: entered promiscuous mode [ 3897.294461][ T5535] br0: port 2(vx0) entered blocking state [ 3897.294671][ T5535] br0: port 2(vx0) entered forwarding state [ 3910.727945][ T67] br0: port 1(swp1) entered disabled state [ 3910.871333][ T67] swp1 (unregistering): left allmulticast mode [ 3910.871599][ T67] swp1 (unregistering): left promiscuous mode [ 3910.871816][ T67] br0: port 1(swp1) entered disabled state [ 3911.075451][ T67] br0: port 1(swp1) entered disabled state [ 3911.217331][ T67] swp1 (unregistering): left allmulticast mode [ 3911.217583][ T67] swp1 (unregistering): left promiscuous mode [ 3911.217805][ T67] br0: port 1(swp1) entered disabled state [ 3911.324570][ T67] vx0: left allmulticast mode [ 3911.324823][ T67] vx0: left promiscuous mode [ 3911.325121][ T67] br0: port 2(vx0) entered disabled state [ 3911.682176][ T67] vx0: left allmulticast mode [ 3911.682425][ T67] vx0: left promiscuous mode [ 3911.682751][ T67] br0: port 2(vx0) entered disabled state [ 3918.306522][ T5764] br0: port 1(swp1) entered blocking state [ 3918.306870][ T5764] br0: port 1(swp1) entered disabled state [ 3918.307107][ T5764] swp1: entered allmulticast mode [ 3918.308330][ T5764] swp1: entered promiscuous mode [ 3918.568643][ T5767] br0: port 2(vx0) entered blocking state [ 3918.568930][ T5767] br0: port 2(vx0) entered disabled state [ 3918.569125][ T5767] vx0: entered allmulticast mode [ 3918.570375][ T5767] vx0: entered promiscuous mode [ 3918.571164][ T5767] br0: port 2(vx0) entered blocking state [ 3918.571344][ T5767] br0: port 2(vx0) entered forwarding state [ 3918.938284][ T4220] br0: port 1(swp1) entered blocking state [ 3918.938540][ T4220] br0: port 1(swp1) entered forwarding state [ 3920.022778][ T5784] br0: port 1(swp1) entered blocking state [ 3920.023106][ T5784] br0: port 1(swp1) entered disabled state [ 3920.023354][ T5784] swp1: entered allmulticast mode [ 3920.024580][ T5784] swp1: entered promiscuous mode [ 3920.028061][T32285] br0: port 1(swp1) entered blocking state [ 3920.028279][T32285] br0: port 1(swp1) entered forwarding state [ 3920.334345][ T5787] br0: port 2(vx0) entered blocking state [ 3920.334642][ T5787] br0: port 2(vx0) entered disabled state [ 3920.334851][ T5787] vx0: entered allmulticast mode [ 3920.336058][ T5787] vx0: entered promiscuous mode [ 3920.336589][ T5787] br0: port 2(vx0) entered blocking state [ 3920.336790][ T5787] br0: port 2(vx0) entered forwarding state [ 3934.047859][ T67] br0: port 1(swp1) entered disabled state [ 3934.230392][ T67] swp1 (unregistering): left allmulticast mode [ 3934.230749][ T67] swp1 (unregistering): left promiscuous mode [ 3934.230959][ T67] br0: port 1(swp1) entered disabled state [ 3934.386873][ T67] br0: port 1(swp1) entered disabled state [ 3934.533356][ T67] swp1 (unregistering): left allmulticast mode [ 3934.533620][ T67] swp1 (unregistering): left promiscuous mode [ 3934.533827][ T67] br0: port 1(swp1) entered disabled state [ 3934.681700][ T67] vx0: left allmulticast mode [ 3934.681908][ T67] vx0: left promiscuous mode [ 3934.682206][ T67] br0: port 2(vx0) entered disabled state [ 3935.014071][ T67] vx0: left allmulticast mode [ 3935.014286][ T67] vx0: left promiscuous mode [ 3935.014579][ T67] br0: port 2(vx0) entered disabled state