[ 12.410526][ T273] ip (273) used greatest stack depth: 23120 bytes left [ 14.724291][ T301] 8021q: 802.1Q VLAN Support v1.8 [ 18.768559][ T345] br1: port 1(vx10) entered blocking state [ 18.769250][ T345] br1: port 1(vx10) entered disabled state [ 18.769789][ T345] vx10: entered allmulticast mode [ 18.772209][ T345] vx10: entered promiscuous mode [ 18.773541][ T345] br1: port 1(vx10) entered blocking state [ 18.773996][ T345] br1: port 1(vx10) entered forwarding state [ 19.174681][ T350] br1: port 2(vx20) entered blocking state [ 19.175122][ T350] br1: port 2(vx20) entered disabled state [ 19.175587][ T350] vx20: entered allmulticast mode [ 19.177820][ T350] vx20: entered promiscuous mode [ 19.179079][ T350] br1: port 2(vx20) entered blocking state [ 19.179360][ T350] br1: port 2(vx20) entered forwarding state [ 19.369228][ T352] br1: port 3(veth1) entered blocking state [ 19.369556][ T352] br1: port 3(veth1) entered disabled state [ 19.369846][ T352] veth1: entered allmulticast mode [ 19.371889][ T352] veth1: entered promiscuous mode [ 19.446760][ T40] br1: port 3(veth1) entered blocking state [ 19.447270][ T40] br1: port 3(veth1) entered forwarding state [ 19.737102][ T357] br1: port 4(veth2) entered blocking state [ 19.737484][ T357] br1: port 4(veth2) entered disabled state [ 19.737770][ T357] veth2: entered allmulticast mode [ 19.739742][ T357] veth2: entered promiscuous mode [ 19.827874][ T41] br1: port 4(veth2) entered blocking state [ 19.828273][ T41] br1: port 4(veth2) entered forwarding state [ 23.652088][ T407] br2: port 1(w1) entered blocking state [ 23.652394][ T407] br2: port 1(w1) entered disabled state [ 23.653025][ T407] w1: entered allmulticast mode [ 23.655079][ T407] w1: entered promiscuous mode [ 24.390390][ T415] br2: port 2(vx10) entered blocking state [ 24.390744][ T415] br2: port 2(vx10) entered disabled state [ 24.391027][ T415] vx10: entered allmulticast mode [ 24.393091][ T415] vx10: entered promiscuous mode [ 24.393687][ T415] br2: port 2(vx10) entered blocking state [ 24.393926][ T415] br2: port 2(vx10) entered forwarding state [ 25.072669][ T422] br2: port 3(vx20) entered blocking state [ 25.072956][ T422] br2: port 3(vx20) entered disabled state [ 25.073254][ T422] vx20: entered allmulticast mode [ 25.075714][ T422] vx20: entered promiscuous mode [ 25.076289][ T422] br2: port 3(vx20) entered blocking state [ 25.076547][ T422] br2: port 3(vx20) entered forwarding state [ 25.785889][ T70] br2: port 1(w1) entered blocking state [ 25.786359][ T70] br2: port 1(w1) entered forwarding state [ 28.316144][ T462] br2: port 1(w1) entered blocking state [ 28.316443][ T462] br2: port 1(w1) entered disabled state [ 28.316989][ T462] w1: entered allmulticast mode [ 28.320040][ T462] w1: entered promiscuous mode [ 29.040974][ T470] br2: port 2(vx10) entered blocking state [ 29.041592][ T470] br2: port 2(vx10) entered disabled state [ 29.042176][ T470] vx10: entered allmulticast mode [ 29.046326][ T470] vx10: entered promiscuous mode [ 29.047293][ T470] br2: port 2(vx10) entered blocking state [ 29.047711][ T470] br2: port 2(vx10) entered forwarding state [ 29.723876][ T477] br2: port 3(vx20) entered blocking state [ 29.725740][ T477] br2: port 3(vx20) entered disabled state [ 29.726134][ T477] vx20: entered allmulticast mode [ 29.728194][ T477] vx20: entered promiscuous mode [ 29.728991][ T477] br2: port 3(vx20) entered blocking state [ 29.729323][ T477] br2: port 3(vx20) entered forwarding state [ 30.423776][ T46] br2: port 1(w1) entered blocking state [ 30.424021][ T46] br2: port 1(w1) entered forwarding state [ 46.530835][ T592] GACT probability NOT on [ 55.939864][ T772] [ 55.940194][ T772] ============================= [ 55.940371][ T772] WARNING: suspicious RCU usage [ 55.940543][ T772] 6.14.0-rc6-virtme #1 Not tainted [ 55.940714][ T772] ----------------------------- [ 55.940929][ T772] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 55.941237][ T772] [ 55.941237][ T772] other info that might help us debug this: [ 55.941237][ T772] [ 55.941574][ T772] [ 55.941574][ T772] rcu_scheduler_active = 2, debug_locks = 1 [ 55.941829][ T772] 1 lock held by mausezahn/772: [ 55.942005][ T772] #0: ffffffff8855b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 55.942341][ T772] [ 55.942341][ T772] stack backtrace: [ 55.942551][ T772] CPU: 0 UID: 0 PID: 772 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 55.942556][ T772] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 55.942558][ T772] Call Trace: [ 55.942560][ T772] [ 55.942563][ T772] dump_stack_lvl+0xb0/0xd0 [ 55.942572][ T772] lockdep_rcu_suspicious+0x1ea/0x280 [ 55.942583][ T772] dev_hard_start_xmit+0x2fc/0x3f0 [ 55.942594][ T772] __dev_queue_xmit+0xfaf/0x18d0 [ 55.942608][ T772] ? __pfx___dev_queue_xmit+0x10/0x10 [ 55.942613][ T772] ? packet_parse_headers+0x231/0x9c0 [ 55.942622][ T772] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 55.942629][ T772] ? __pfx_packet_parse_headers+0x10/0x10 [ 55.942633][ T772] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 55.942639][ T772] ? dev_get_by_index+0xb2/0x190 [ 55.942652][ T772] packet_snd+0xd0c/0x19d0 [ 55.942663][ T772] ? __lock_release+0x103/0x460 [ 55.942667][ T772] ? __might_fault+0x11b/0x170 [ 55.942675][ T772] ? __pfx_packet_snd+0x10/0x10 [ 55.942677][ T772] ? trace_lock_acquire+0x14c/0x1f0 [ 55.942680][ T772] ? __might_fault+0x11b/0x170 [ 55.942687][ T772] ? lock_acquire+0x32/0xc0 [ 55.942693][ T772] ? __might_fault+0x11b/0x170 [ 55.942704][ T772] __sys_sendto+0x3c3/0x450 [ 55.942711][ T772] ? __pfx___sys_sendto+0x10/0x10 [ 55.942725][ T772] ? sock_ioctl+0x3b6/0x590 [ 55.942745][ T772] ? __sys_setsockopt+0xec/0x160 [ 55.942754][ T772] __x64_sys_sendto+0xe0/0x1c0 [ 55.942758][ T772] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 55.942763][ T772] do_syscall_64+0xc1/0x1d0 [ 55.942772][ T772] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 55.942778][ T772] RIP: 0033:0x7fa9039d8a4a [ 55.942783][ T772] 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 [ 55.942787][ T772] RSP: 002b:00007fff025c4508 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 55.942791][ T772] RAX: ffffffffffffffda RBX: 0000000035612c60 RCX: 00007fa9039d8a4a [ 55.942793][ T772] RDX: 000000000000006e RSI: 0000000035612ee2 RDI: 0000000000000006 [ 55.942795][ T772] RBP: 0000000035612ee2 R08: 00007fff025c4510 R09: 0000000000000014 [ 55.942797][ T772] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 55.942799][ T772] R13: 000000000000006e R14: 00007fff025c4510 R15: 0000000000000001 [ 55.942815][ T772] [ 116.990951][ T1831] veth3: entered promiscuous mode [ 170.924222][ T2758] veth3: left promiscuous mode [ 171.473143][ T2764] veth3: entered promiscuous mode [ 224.920214][ T3691] veth3: left promiscuous mode [ 225.937807][ T3709] vx20: left allmulticast mode [ 225.938102][ T3709] vx20: left promiscuous mode [ 225.938478][ T3709] br1: port 2(vx20) entered disabled state [ 226.021577][ T3710] vx10: left allmulticast mode [ 226.021832][ T3710] vx10: left promiscuous mode [ 226.022175][ T3710] br1: port 1(vx10) entered disabled state [ 231.463086][ T3715] br1: port 1(vx10) entered blocking state [ 231.463563][ T3715] br1: port 1(vx10) entered disabled state [ 231.463873][ T3715] vx10: entered allmulticast mode [ 231.465934][ T3715] vx10: entered promiscuous mode [ 231.466569][ T3715] br1: port 1(vx10) entered blocking state [ 231.466842][ T3715] br1: port 1(vx10) entered forwarding state [ 231.631985][ T3717] br1: port 2(vx20) entered blocking state [ 231.632459][ T3717] br1: port 2(vx20) entered disabled state [ 231.632765][ T3717] vx20: entered allmulticast mode [ 231.635051][ T3717] vx20: entered promiscuous mode [ 231.635796][ T3717] br1: port 2(vx20) entered blocking state [ 231.636084][ T3717] br1: port 2(vx20) entered forwarding state [ 315.043056][ T5013] veth3: entered promiscuous mode [ 367.165200][ T5940] veth3: left promiscuous mode [ 367.682098][ T5946] veth3: entered promiscuous mode [ 427.082354][ T6874] veth3: left promiscuous mode [ 428.479255][ T6897] vx20: left allmulticast mode [ 428.479651][ T6897] vx20: left promiscuous mode [ 428.480183][ T6897] br1: port 2(vx20) entered disabled state [ 428.576868][ T6898] vx10: left allmulticast mode [ 428.577135][ T6898] vx10: left promiscuous mode [ 428.577501][ T6898] br1: port 1(vx10) entered disabled state [ 434.016004][ T6903] br1: port 1(vx10) entered blocking state [ 434.016318][ T6903] br1: port 1(vx10) entered disabled state [ 434.016593][ T6903] vx10: entered allmulticast mode [ 434.018527][ T6903] vx10: entered promiscuous mode [ 434.019033][ T6903] br1: port 1(vx10) entered blocking state [ 434.019295][ T6903] br1: port 1(vx10) entered forwarding state [ 434.181393][ T6905] br1: port 2(vx20) entered blocking state [ 434.181713][ T6905] br1: port 2(vx20) entered disabled state [ 434.182009][ T6905] vx20: entered allmulticast mode [ 434.184047][ T6905] vx20: entered promiscuous mode [ 434.184624][ T6905] br1: port 2(vx20) entered blocking state [ 434.184869][ T6905] br1: port 2(vx20) entered forwarding state [ 751.144226][T10180] vx20: left allmulticast mode [ 751.144541][T10180] vx20: left promiscuous mode [ 751.144870][T10180] br1: port 2(vx20) entered disabled state [ 751.225019][T10181] vx10: left allmulticast mode [ 751.225311][T10181] vx10: left promiscuous mode [ 751.225646][T10181] br1: port 1(vx10) entered disabled state [ 756.618316][T10186] br1: port 1(vx10) entered blocking state [ 756.618591][T10186] br1: port 1(vx10) entered disabled state [ 756.618856][T10186] vx10: entered allmulticast mode [ 756.620750][T10186] vx10: entered promiscuous mode [ 756.621274][T10186] br1: port 1(vx10) entered blocking state [ 756.621511][T10186] br1: port 1(vx10) entered forwarding state [ 756.785068][T10188] br1: port 2(vx20) entered blocking state [ 756.785366][T10188] br1: port 2(vx20) entered disabled state [ 756.785629][T10188] vx20: entered allmulticast mode [ 756.787587][T10188] vx20: entered promiscuous mode [ 756.788088][T10188] br1: port 2(vx20) entered blocking state [ 756.788347][T10188] br1: port 2(vx20) entered forwarding state [ 860.329000][ T12] vx20: left allmulticast mode [ 860.329530][ T12] vx20: left promiscuous mode [ 860.330097][ T12] br2: port 3(vx20) entered disabled state [ 860.335428][ T12] vx10: left allmulticast mode [ 860.335773][ T12] vx10: left promiscuous mode [ 860.337640][ T12] br2: port 2(vx10) entered disabled state [ 860.340231][ T12] w1: left allmulticast mode [ 860.340493][ T12] w1: left promiscuous mode [ 860.340939][ T12] br2: port 1(w1) entered disabled state [ 860.853529][ T12] vx20: left allmulticast mode [ 860.853768][ T12] vx20: left promiscuous mode [ 860.854074][ T12] br2: port 3(vx20) entered disabled state [ 860.856476][ T12] vx10: left allmulticast mode [ 860.856664][ T12] vx10: left promiscuous mode [ 860.856957][ T12] br2: port 2(vx10) entered disabled state [ 860.859390][ T12] w1: left allmulticast mode [ 860.859578][ T12] w1: left promiscuous mode [ 860.859865][ T12] br2: port 1(w1) entered disabled state [ 863.263499][T12093] br1: port 4(veth2) entered disabled state [ 863.353066][T12095] veth2: left allmulticast mode [ 863.353315][T12095] veth2: left promiscuous mode [ 863.353630][T12095] br1: port 4(veth2) entered disabled state [ 863.581590][T12098] br1: port 3(veth1) entered disabled state [ 863.665197][T12099] veth1: left allmulticast mode [ 863.665454][T12099] veth1: left promiscuous mode [ 863.665777][T12099] br1: port 3(veth1) entered disabled state [ 863.860902][T12101] vx20: left allmulticast mode [ 863.861187][T12101] vx20: left promiscuous mode [ 863.861525][T12101] br1: port 2(vx20) entered disabled state [ 864.268106][T12105] vx10: left allmulticast mode [ 864.268439][T12105] vx10: left promiscuous mode [ 864.268775][T12105] br1: port 1(vx10) entered disabled state