[ 12.123224][ T250] ip (250) used greatest stack depth: 23744 bytes left [ 18.002621][ T333] br1: port 1(vx1) entered blocking state [ 18.003159][ T333] br1: port 1(vx1) entered disabled state [ 18.003618][ T333] vx1: entered allmulticast mode [ 18.005870][ T333] vx1: entered promiscuous mode [ 18.007558][ T333] br1: port 1(vx1) entered blocking state [ 18.007978][ T333] br1: port 1(vx1) entered forwarding state [ 18.144522][ T334] br1: port 2(veth1) entered blocking state [ 18.144865][ T334] br1: port 2(veth1) entered disabled state [ 18.145178][ T334] veth1: entered allmulticast mode [ 18.147187][ T334] veth1: entered promiscuous mode [ 18.238658][ T38] br1: port 2(veth1) entered blocking state [ 18.239355][ T38] br1: port 2(veth1) entered forwarding state [ 18.480961][ T337] br1: port 3(veth2) entered blocking state [ 18.481386][ T337] br1: port 3(veth2) entered disabled state [ 18.481882][ T337] veth2: entered allmulticast mode [ 18.485552][ T337] veth2: entered promiscuous mode [ 18.597044][ T40] br1: port 3(veth2) entered blocking state [ 18.597382][ T40] br1: port 3(veth2) entered forwarding state [ 22.333818][ T382] br2: port 1(w1) entered blocking state [ 22.334120][ T382] br2: port 1(w1) entered disabled state [ 22.334475][ T382] w1: entered allmulticast mode [ 22.337602][ T382] w1: entered promiscuous mode [ 22.966301][ T388] br2: port 2(vx2) entered blocking state [ 22.966586][ T388] br2: port 2(vx2) entered disabled state [ 22.966848][ T388] vx2: entered allmulticast mode [ 22.968869][ T388] vx2: entered promiscuous mode [ 22.969745][ T388] br2: port 2(vx2) entered blocking state [ 22.970010][ T388] br2: port 2(vx2) entered forwarding state [ 23.684858][ T41] br2: port 1(w1) entered blocking state [ 23.685635][ T41] br2: port 1(w1) entered forwarding state [ 25.751414][ T421] br2: port 1(w1) entered blocking state [ 25.751849][ T421] br2: port 1(w1) entered disabled state [ 25.752260][ T421] w1: entered allmulticast mode [ 25.755559][ T421] w1: entered promiscuous mode [ 26.386191][ T427] br2: port 2(vx2) entered blocking state [ 26.386484][ T427] br2: port 2(vx2) entered disabled state [ 26.386728][ T427] vx2: entered allmulticast mode [ 26.388861][ T427] vx2: entered promiscuous mode [ 26.391000][ T427] br2: port 2(vx2) entered blocking state [ 26.391399][ T427] br2: port 2(vx2) entered forwarding state [ 27.166879][ T40] br2: port 1(w1) entered blocking state [ 27.167165][ T40] br2: port 1(w1) entered forwarding state [ 36.693363][ T500] GACT probability NOT on [ 88.714864][ T692] [ 88.715190][ T692] ============================= [ 88.715378][ T692] WARNING: suspicious RCU usage [ 88.715547][ T692] 6.14.0-rc6-virtme #1 Not tainted [ 88.715705][ T692] ----------------------------- [ 88.715892][ T692] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 88.716215][ T692] [ 88.716215][ T692] other info that might help us debug this: [ 88.716215][ T692] [ 88.716522][ T692] [ 88.716522][ T692] rcu_scheduler_active = 2, debug_locks = 1 [ 88.716766][ T692] 1 lock held by mausezahn/692: [ 88.716936][ T692] #0: ffffffff90d5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 88.717237][ T692] [ 88.717237][ T692] stack backtrace: [ 88.717487][ T692] CPU: 3 UID: 0 PID: 692 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 88.717491][ T692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 88.717493][ T692] Call Trace: [ 88.717496][ T692] [ 88.717498][ T692] dump_stack_lvl+0xb0/0xd0 [ 88.717507][ T692] lockdep_rcu_suspicious+0x1ea/0x280 [ 88.717519][ T692] dev_hard_start_xmit+0x2fc/0x3f0 [ 88.717529][ T692] __dev_queue_xmit+0xfaf/0x18d0 [ 88.717543][ T692] ? __pfx___dev_queue_xmit+0x10/0x10 [ 88.717548][ T692] ? packet_parse_headers+0x231/0x9c0 [ 88.717557][ T692] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 88.717564][ T692] ? __pfx_packet_parse_headers+0x10/0x10 [ 88.717569][ T692] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 88.717575][ T692] ? dev_get_by_index+0xb2/0x190 [ 88.717587][ T692] packet_snd+0xd0c/0x19d0 [ 88.717598][ T692] ? __lock_release+0x103/0x460 [ 88.717602][ T692] ? __might_fault+0x11b/0x170 [ 88.717610][ T692] ? __pfx_packet_snd+0x10/0x10 [ 88.717613][ T692] ? trace_lock_acquire+0x14c/0x1f0 [ 88.717615][ T692] ? __might_fault+0x11b/0x170 [ 88.717622][ T692] ? lock_acquire+0x32/0xc0 [ 88.717628][ T692] ? __might_fault+0x11b/0x170 [ 88.717639][ T692] __sys_sendto+0x3c3/0x450 [ 88.717646][ T692] ? __pfx___sys_sendto+0x10/0x10 [ 88.717661][ T692] ? sock_ioctl+0x3b6/0x590 [ 88.717666][ T692] ? __pfx___lock_release+0x10/0x10 [ 88.717674][ T692] ? __pfx___up_read+0x10/0x10 [ 88.717685][ T692] ? do_user_addr_fault+0x972/0xe30 [ 88.717695][ T692] ? do_user_addr_fault+0x97c/0xe30 [ 88.717702][ T692] __x64_sys_sendto+0xe0/0x1c0 [ 88.717706][ T692] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 88.717711][ T692] do_syscall_64+0xc1/0x1d0 [ 88.717720][ T692] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.717727][ T692] RIP: 0033:0x7f2516525a4a [ 88.717732][ T692] 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 [ 88.717735][ T692] RSP: 002b:00007fff759797b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 88.717738][ T692] RAX: ffffffffffffffda RBX: 0000000027f55de0 RCX: 00007f2516525a4a [ 88.717741][ T692] RDX: 000000000000007e RSI: 0000000027f560e2 RDI: 0000000000000005 [ 88.717743][ T692] RBP: 0000000027f560e2 R08: 00007fff759797c0 R09: 0000000000000014 [ 88.717744][ T692] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 88.717746][ T692] R13: 000000000000007e R14: 00007fff759797c0 R15: 0000000000000000 [ 88.717762][ T692] [ 94.185564][ T767] veth3: entered promiscuous mode [ 125.724849][ T1256] veth3: left promiscuous mode [ 150.709275][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 150.810884][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 150.911987][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 151.013019][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 151.114323][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 151.215589][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 151.317004][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 151.417995][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 151.519060][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 151.620076][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 155.770057][ C1] net_ratelimit: 2 callbacks suppressed [ 155.770069][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 155.871403][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 155.972598][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 156.073695][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 156.174747][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 156.276019][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 156.377039][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 156.478073][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 218.673743][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 218.775142][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 218.875997][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 218.977022][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 219.078030][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 219.178993][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 219.279875][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 219.380838][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 219.481722][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 219.582904][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 221.216004][ T2225] vx1: left allmulticast mode [ 221.216308][ T2225] vx1: left promiscuous mode [ 221.216665][ T2225] br1: port 1(vx1) entered disabled state [ 226.596741][ T2230] br1: port 1(vx1) entered blocking state [ 226.597063][ T2230] br1: port 1(vx1) entered disabled state [ 226.597335][ T2230] vx1: entered allmulticast mode [ 226.599303][ T2230] vx1: entered promiscuous mode [ 226.600136][ T2230] br1: port 1(vx1) entered blocking state [ 226.600381][ T2230] br1: port 1(vx1) entered forwarding state [ 291.209818][ T2517] veth3: entered promiscuous mode [ 322.069040][ T3006] veth3: left promiscuous mode [ 322.973235][ T12] vx2: left allmulticast mode [ 322.973610][ T12] vx2: left promiscuous mode [ 322.974052][ T12] br2: port 2(vx2) entered disabled state [ 322.978305][ T12] w1: left allmulticast mode [ 322.978619][ T12] w1: left promiscuous mode [ 322.979087][ T12] br2: port 1(w1) entered disabled state [ 323.488286][ T12] vx2: left allmulticast mode [ 323.488539][ T12] vx2: left promiscuous mode [ 323.489001][ T12] br2: port 2(vx2) entered disabled state [ 323.491654][ T12] w1: left allmulticast mode [ 323.491907][ T12] w1: left promiscuous mode [ 323.492620][ T12] br2: port 1(w1) entered disabled state [ 325.597199][ T3045] br1: port 3(veth2) entered disabled state [ 325.693529][ T3046] veth2: left allmulticast mode [ 325.693848][ T3046] veth2: left promiscuous mode [ 325.694228][ T3046] br1: port 3(veth2) entered disabled state [ 325.928591][ T3048] br1: port 2(veth1) entered disabled state [ 326.005641][ T3049] veth1: left allmulticast mode [ 326.006290][ T3049] veth1: left promiscuous mode [ 326.006677][ T3049] br1: port 2(veth1) entered disabled state [ 326.083400][ T3050] vx1: left allmulticast mode [ 326.083655][ T3050] vx1: left promiscuous mode [ 326.083992][ T3050] br1: port 1(vx1) entered disabled state