[ 14.309930][ T303] 8021q: 802.1Q VLAN Support v1.8 [ 18.416544][ T349] ip (349) used greatest stack depth: 23272 bytes left [ 18.602609][ T353] br1: port 1(vx10) entered blocking state [ 18.603153][ T353] br1: port 1(vx10) entered disabled state [ 18.603545][ T353] vx10: entered allmulticast mode [ 18.605677][ T353] vx10: entered promiscuous mode [ 18.606682][ T353] br1: port 1(vx10) entered blocking state [ 18.607035][ T353] br1: port 1(vx10) entered forwarding state [ 19.006636][ T358] br1: port 2(vx20) entered blocking state [ 19.007039][ T358] br1: port 2(vx20) entered disabled state [ 19.007519][ T358] vx20: entered allmulticast mode [ 19.010656][ T358] vx20: entered promiscuous mode [ 19.011798][ T358] br1: port 2(vx20) entered blocking state [ 19.012169][ T358] br1: port 2(vx20) entered forwarding state [ 19.195660][ T360] br1: port 3(veth1) entered blocking state [ 19.198081][ T360] br1: port 3(veth1) entered disabled state [ 19.198586][ T360] veth1: entered allmulticast mode [ 19.200589][ T360] veth1: entered promiscuous mode [ 19.305645][ T152] br1: port 3(veth1) entered blocking state [ 19.306153][ T152] br1: port 3(veth1) entered forwarding state [ 19.682621][ T365] br1: port 4(veth2) entered blocking state [ 19.682934][ T365] br1: port 4(veth2) entered disabled state [ 19.683252][ T365] veth2: entered allmulticast mode [ 19.685811][ T365] veth2: entered promiscuous mode [ 19.791433][ T41] br1: port 4(veth2) entered blocking state [ 19.791997][ T41] br1: port 4(veth2) entered forwarding state [ 23.556131][ T415] br2: port 1(w1) entered blocking state [ 23.556724][ T415] br2: port 1(w1) entered disabled state [ 23.556973][ T415] w1: entered allmulticast mode [ 23.559463][ T415] w1: entered promiscuous mode [ 24.227351][ T423] br2: port 2(vx10) entered blocking state [ 24.227726][ T423] br2: port 2(vx10) entered disabled state [ 24.228023][ T423] vx10: entered allmulticast mode [ 24.230468][ T423] vx10: entered promiscuous mode [ 24.231084][ T423] br2: port 2(vx10) entered blocking state [ 24.231327][ T423] br2: port 2(vx10) entered forwarding state [ 24.864926][ T430] br2: port 3(vx20) entered blocking state [ 24.865451][ T430] br2: port 3(vx20) entered disabled state [ 24.865928][ T430] vx20: entered allmulticast mode [ 24.870065][ T430] vx20: entered promiscuous mode [ 24.871048][ T430] br2: port 3(vx20) entered blocking state [ 24.871479][ T430] br2: port 3(vx20) entered forwarding state [ 25.714112][ T152] br2: port 1(w1) entered blocking state [ 25.714533][ T152] br2: port 1(w1) entered forwarding state [ 28.247117][ T472] br2: port 1(w1) entered blocking state [ 28.247352][ T472] br2: port 1(w1) entered disabled state [ 28.247615][ T472] w1: entered allmulticast mode [ 28.249803][ T472] w1: entered promiscuous mode [ 28.935412][ T480] br2: port 2(vx10) entered blocking state [ 28.935698][ T480] br2: port 2(vx10) entered disabled state [ 28.935988][ T480] vx10: entered allmulticast mode [ 28.938339][ T480] vx10: entered promiscuous mode [ 28.939050][ T480] br2: port 2(vx10) entered blocking state [ 28.939342][ T480] br2: port 2(vx10) entered forwarding state [ 29.547505][ T487] br2: port 3(vx20) entered blocking state [ 29.547844][ T487] br2: port 3(vx20) entered disabled state [ 29.548653][ T487] vx20: entered allmulticast mode [ 29.550610][ T487] vx20: entered promiscuous mode [ 29.551217][ T487] br2: port 3(vx20) entered blocking state [ 29.551511][ T487] br2: port 3(vx20) entered forwarding state [ 30.277311][ T41] br2: port 1(w1) entered blocking state [ 30.277606][ T41] br2: port 1(w1) entered forwarding state [ 41.319009][ T574] GACT probability NOT on [ 146.044425][ T934] [ 146.044699][ T934] ============================= [ 146.044866][ T934] WARNING: suspicious RCU usage [ 146.045043][ T934] 6.14.0-rc6-virtme #1 Not tainted [ 146.045201][ T934] ----------------------------- [ 146.045352][ T934] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 146.045612][ T934] [ 146.045612][ T934] other info that might help us debug this: [ 146.045612][ T934] [ 146.045934][ T934] [ 146.045934][ T934] rcu_scheduler_active = 2, debug_locks = 1 [ 146.046172][ T934] 1 lock held by mausezahn/934: [ 146.046333][ T934] #0: ffffffffa4d5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 146.046618][ T934] [ 146.046618][ T934] stack backtrace: [ 146.046805][ T934] CPU: 3 UID: 0 PID: 934 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 146.046810][ T934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 146.046812][ T934] Call Trace: [ 146.046814][ T934] [ 146.046816][ T934] dump_stack_lvl+0xb0/0xd0 [ 146.046824][ T934] lockdep_rcu_suspicious+0x1ea/0x280 [ 146.046835][ T934] dev_hard_start_xmit+0x2fc/0x3f0 [ 146.046845][ T934] __dev_queue_xmit+0xfaf/0x18d0 [ 146.046860][ T934] ? __pfx___dev_queue_xmit+0x10/0x10 [ 146.046864][ T934] ? packet_parse_headers+0x231/0x9c0 [ 146.046873][ T934] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 146.046879][ T934] ? __pfx_packet_parse_headers+0x10/0x10 [ 146.046884][ T934] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 146.046889][ T934] ? dev_get_by_index+0xb2/0x190 [ 146.046901][ T934] packet_snd+0xd0c/0x19d0 [ 146.046912][ T934] ? __lock_release+0x103/0x460 [ 146.046916][ T934] ? __might_fault+0x11b/0x170 [ 146.046923][ T934] ? __pfx_packet_snd+0x10/0x10 [ 146.046925][ T934] ? trace_lock_acquire+0x14c/0x1f0 [ 146.046928][ T934] ? __might_fault+0x11b/0x170 [ 146.046935][ T934] ? lock_acquire+0x32/0xc0 [ 146.046941][ T934] ? __might_fault+0x11b/0x170 [ 146.046955][ T934] __sys_sendto+0x3c3/0x450 [ 146.046961][ T934] ? __pfx___sys_sendto+0x10/0x10 [ 146.046975][ T934] ? sock_ioctl+0x3b6/0x590 [ 146.046994][ T934] ? __sys_setsockopt+0xec/0x160 [ 146.047003][ T934] __x64_sys_sendto+0xe0/0x1c0 [ 146.047007][ T934] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 146.047013][ T934] do_syscall_64+0xc1/0x1d0 [ 146.047021][ T934] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 146.047026][ T934] RIP: 0033:0x7ffbd2f12a4a [ 146.047032][ T934] 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 [ 146.047035][ T934] RSP: 002b:00007fff824666d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 146.047038][ T934] RAX: ffffffffffffffda RBX: 0000000000c5a080 RCX: 00007ffbd2f12a4a [ 146.047041][ T934] RDX: 0000000000000082 RSI: 0000000000c5a372 RDI: 0000000000000006 [ 146.047043][ T934] RBP: 0000000000c5a372 R08: 00007fff824666e0 R09: 0000000000000014 [ 146.047045][ T934] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 146.047047][ T934] R13: 0000000000000082 R14: 00007fff824666e0 R15: 0000000000000001 [ 146.047063][ T934] [ 172.587167][ T1375] veth3: entered promiscuous mode [ 227.728540][ T2302] veth3: left promiscuous mode [ 228.305041][ T2308] veth3: entered promiscuous mode [ 282.431628][ T3235] veth3: left promiscuous mode [ 283.370625][ T3253] vx20: left allmulticast mode [ 283.372401][ T3253] vx20: left promiscuous mode [ 283.372941][ T3253] br1: port 2(vx20) entered disabled state [ 283.492010][ T3254] vx10: left allmulticast mode [ 283.492361][ T3254] vx10: left promiscuous mode [ 283.492871][ T3254] br1: port 1(vx10) entered disabled state [ 288.946470][ T3259] br1: port 1(vx10) entered blocking state [ 288.946864][ T3259] br1: port 1(vx10) entered disabled state [ 288.947219][ T3259] vx10: entered allmulticast mode [ 288.949247][ T3259] vx10: entered promiscuous mode [ 288.949805][ T3259] br1: port 1(vx10) entered blocking state [ 288.950100][ T3259] br1: port 1(vx10) entered forwarding state [ 289.127562][ T3261] br1: port 2(vx20) entered blocking state [ 289.127865][ T3261] br1: port 2(vx20) entered disabled state [ 289.128187][ T3261] vx20: entered allmulticast mode [ 289.131034][ T3261] vx20: entered promiscuous mode [ 289.131869][ T3261] br1: port 2(vx20) entered blocking state [ 289.132322][ T3261] br1: port 2(vx20) entered forwarding state [ 428.298255][ T4090] veth3: entered promiscuous mode [ 481.387914][ T5017] veth3: left promiscuous mode [ 481.885583][ T5023] veth3: entered promiscuous mode [ 534.242697][ T5950] veth3: left promiscuous mode [ 873.681477][T10484] ip (10484) used greatest stack depth: 22936 bytes left [ 873.762456][ T68] vx20: left allmulticast mode [ 873.762830][ T68] vx20: left promiscuous mode [ 873.763398][ T68] br2: port 3(vx20) entered disabled state [ 873.767693][ T68] vx10: left allmulticast mode [ 873.767909][ T68] vx10: left promiscuous mode [ 873.768228][ T68] br2: port 2(vx10) entered disabled state [ 873.781473][ T68] w1: left allmulticast mode [ 873.781908][ T68] w1: left promiscuous mode [ 873.782399][ T68] br2: port 1(w1) entered disabled state [ 874.473027][ T68] vx20: left allmulticast mode [ 874.473311][ T68] vx20: left promiscuous mode [ 874.473658][ T68] br2: port 3(vx20) entered disabled state [ 874.476193][ T68] vx10: left allmulticast mode [ 874.476432][ T68] vx10: left promiscuous mode [ 874.476766][ T68] br2: port 2(vx10) entered disabled state [ 874.478629][ T68] w1: left allmulticast mode [ 874.478840][ T68] w1: left promiscuous mode [ 874.479180][ T68] br2: port 1(w1) entered disabled state [ 877.192305][T10516] br1: port 4(veth2) entered disabled state [ 877.279901][T10517] veth2: left allmulticast mode [ 877.280188][T10517] veth2: left promiscuous mode [ 877.280517][T10517] br1: port 4(veth2) entered disabled state [ 877.701481][T10521] br1: port 3(veth1) entered disabled state [ 877.807034][T10522] veth1: left allmulticast mode [ 877.807456][T10522] veth1: left promiscuous mode [ 877.808029][T10522] br1: port 3(veth1) entered disabled state [ 877.981566][T10524] vx20: left allmulticast mode [ 877.981893][T10524] vx20: left promiscuous mode [ 877.982253][T10524] br1: port 2(vx20) entered disabled state [ 878.384820][T10528] vx10: left allmulticast mode [ 878.385133][T10528] vx10: left promiscuous mode [ 878.385477][T10528] br1: port 1(vx10) entered disabled state