[ 10.645862][ T251] ip (251) used greatest stack depth: 24472 bytes left [ 11.085996][ T262] ip (262) used greatest stack depth: 23872 bytes left [ 15.292520][ T328] br1: port 1(vx10) entered blocking state [ 15.293191][ T328] br1: port 1(vx10) entered disabled state [ 15.293592][ T328] vx10: entered allmulticast mode [ 15.295796][ T328] vx10: entered promiscuous mode [ 15.296724][ T328] br1: port 1(vx10) entered blocking state [ 15.297072][ T328] br1: port 1(vx10) entered forwarding state [ 15.630913][ T333] br1: port 2(vx20) entered blocking state [ 15.631228][ T333] br1: port 2(vx20) entered disabled state [ 15.631533][ T333] vx20: entered allmulticast mode [ 15.633462][ T333] vx20: entered promiscuous mode [ 15.634265][ T333] br1: port 2(vx20) entered blocking state [ 15.634546][ T333] br1: port 2(vx20) entered forwarding state [ 15.822594][ T335] br1: port 3(veth1) entered blocking state [ 15.822873][ T335] br1: port 3(veth1) entered disabled state [ 15.823135][ T335] veth1: entered allmulticast mode [ 15.825092][ T335] veth1: entered promiscuous mode [ 15.910300][ T45] br1: port 3(veth1) entered blocking state [ 15.910679][ T45] br1: port 3(veth1) entered forwarding state [ 16.076818][ T338] br1: port 4(veth2) entered blocking state [ 16.077123][ T338] br1: port 4(veth2) entered disabled state [ 16.077760][ T338] veth2: entered allmulticast mode [ 16.079663][ T338] veth2: entered promiscuous mode [ 16.147955][ T41] br1: port 4(veth2) entered blocking state [ 16.148279][ T41] br1: port 4(veth2) entered forwarding state [ 16.808950][ T348] 8021q: 802.1Q VLAN Support v1.8 [ 17.110944][ T351] br1: entered promiscuous mode [ 17.129528][ T351] br1: left promiscuous mode [ 17.139059][ T351] br1: entered promiscuous mode [ 18.402526][ T371] ip (371) used greatest stack depth: 23560 bytes left [ 22.705236][ T430] br1: port 1(vx10) entered blocking state [ 22.705624][ T430] br1: port 1(vx10) entered disabled state [ 22.705967][ T430] vx10: entered allmulticast mode [ 22.707928][ T430] vx10: entered promiscuous mode [ 22.709933][ T430] br1: port 1(vx10) entered blocking state [ 22.710294][ T430] br1: port 1(vx10) entered forwarding state [ 23.028414][ T434] br1: port 2(vx20) entered blocking state [ 23.028782][ T434] br1: port 2(vx20) entered disabled state [ 23.029075][ T434] vx20: entered allmulticast mode [ 23.031055][ T434] vx20: entered promiscuous mode [ 23.031596][ T434] br1: port 2(vx20) entered blocking state [ 23.031845][ T434] br1: port 2(vx20) entered forwarding state [ 23.246569][ T436] br1: port 3(w1) entered blocking state [ 23.246852][ T436] br1: port 3(w1) entered disabled state [ 23.247097][ T436] w1: entered allmulticast mode [ 23.249012][ T436] w1: entered promiscuous mode [ 23.336832][ T45] br1: port 3(w1) entered blocking state [ 23.337093][ T45] br1: port 3(w1) entered forwarding state [ 23.494578][ T439] br1: port 4(w3) entered blocking state [ 23.494833][ T439] br1: port 4(w3) entered disabled state [ 23.495071][ T439] w3: entered allmulticast mode [ 23.497605][ T439] w3: entered promiscuous mode [ 23.573561][ T40] br1: port 4(w3) entered blocking state [ 23.573911][ T40] br1: port 4(w3) entered forwarding state [ 24.365502][ T449] br1: entered promiscuous mode [ 24.367851][ T449] br1: left promiscuous mode [ 24.386508][ T449] br1: entered promiscuous mode [ 25.353895][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 25.355533][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 25.356032][ C1] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 25.357499][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 25.673674][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 25.674633][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 25.675141][ C1] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 25.865948][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 49.259830][ T673] GACT probability NOT on [ 49.359435][ T674] [ 49.359770][ T674] ============================= [ 49.360009][ T674] WARNING: suspicious RCU usage [ 49.360269][ T674] 6.14.0-rc6-virtme #1 Not tainted [ 49.360518][ T674] ----------------------------- [ 49.360771][ T674] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 49.361204][ T674] [ 49.361204][ T674] other info that might help us debug this: [ 49.361204][ T674] [ 49.361675][ T674] [ 49.361675][ T674] rcu_scheduler_active = 2, debug_locks = 1 [ 49.362063][ T674] 1 lock held by arping/674: [ 49.362325][ T674] #0: ffffffffa395b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 49.362778][ T674] [ 49.362778][ T674] stack backtrace: [ 49.363076][ T674] CPU: 3 UID: 0 PID: 674 Comm: arping Not tainted 6.14.0-rc6-virtme #1 [ 49.363083][ T674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.363086][ T674] Call Trace: [ 49.363089][ T674] [ 49.363093][ T674] dump_stack_lvl+0xb0/0xd0 [ 49.363103][ T674] lockdep_rcu_suspicious+0x1ea/0x280 [ 49.363119][ T674] dev_hard_start_xmit+0x2fc/0x3f0 [ 49.363138][ T674] __dev_queue_xmit+0xfaf/0x18d0 [ 49.363165][ T674] ? __pfx___dev_queue_xmit+0x10/0x10 [ 49.363172][ T674] ? packet_parse_headers+0x231/0x9c0 [ 49.363189][ T674] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 49.363199][ T674] ? __pfx_packet_parse_headers+0x10/0x10 [ 49.363207][ T674] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 49.363215][ T674] ? dev_get_by_index+0xb2/0x190 [ 49.363233][ T674] packet_snd+0xd0c/0x19d0 [ 49.363256][ T674] ? __lock_release+0x103/0x460 [ 49.363261][ T674] ? __might_fault+0x11b/0x170 [ 49.363272][ T674] ? __pfx_packet_snd+0x10/0x10 [ 49.363276][ T674] ? trace_lock_acquire+0x14c/0x1f0 [ 49.363280][ T674] ? __pfx___lock_release+0x10/0x10 [ 49.363294][ T674] ? lock_acquire+0x32/0xc0 [ 49.363306][ T674] ? __might_fault+0x11b/0x170 [ 49.363328][ T674] __sys_sendto+0x3c3/0x450 [ 49.363337][ T674] ? __pfx___sys_sendto+0x10/0x10 [ 49.363360][ T674] ? __lock_release+0x103/0x460 [ 49.363369][ T674] ? __pfx___lock_release+0x10/0x10 [ 49.363387][ T674] ? __pfx___up_read+0x10/0x10 [ 49.363399][ T674] ? do_user_addr_fault+0x374/0xe30 [ 49.363417][ T674] ? do_user_addr_fault+0x374/0xe30 [ 49.363431][ T674] __x64_sys_sendto+0xe0/0x1c0 [ 49.363437][ T674] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 49.363443][ T674] do_syscall_64+0xc1/0x1d0 [ 49.363450][ T674] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.363454][ T674] RIP: 0033:0x7f3b0d903a4a [ 49.363458][ T674] 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 [ 49.363461][ T674] RSP: 002b:00007ffce75c9d88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 49.363464][ T674] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007f3b0d903a4a [ 49.363466][ T674] RDX: 000000000000001c RSI: 00007ffce75c9da0 RDI: 0000000000000005 [ 49.363468][ T674] RBP: 00007ffce75c9ef0 R08: 00007ffce75cb350 R09: 0000000000000014 [ 49.363470][ T674] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffce75cb628 [ 49.363472][ T674] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007f3b0da09000 [ 49.363487][ T674] [ 54.244543][ T68] w3: left allmulticast mode [ 54.245082][ T68] w3: left promiscuous mode [ 54.245695][ T68] br1: port 4(w3) entered disabled state [ 54.249144][ T68] w1: left allmulticast mode [ 54.249476][ T68] w1: left promiscuous mode [ 54.249944][ T68] br1: port 3(w1) entered disabled state [ 54.253386][ T68] vx20: left allmulticast mode [ 54.253724][ T68] vx20: left promiscuous mode [ 54.254220][ T68] br1: port 2(vx20) entered disabled state [ 54.258609][ T68] vx10: left allmulticast mode [ 54.258913][ T68] vx10: left promiscuous mode [ 54.260065][ T68] br1: port 1(vx10) entered disabled state [ 56.401951][ T805] br1: left promiscuous mode [ 57.006519][ T811] br1: port 4(veth2) entered disabled state [ 57.093803][ T812] veth2: left allmulticast mode [ 57.094108][ T812] veth2: left promiscuous mode [ 57.094464][ T812] br1: port 4(veth2) entered disabled state [ 57.250299][ T814] br1: port 3(veth1) entered disabled state [ 57.326661][ T815] veth1: left allmulticast mode [ 57.326889][ T815] veth1: left promiscuous mode [ 57.327527][ T815] br1: port 3(veth1) entered disabled state [ 57.466874][ T817] vx20: left allmulticast mode [ 57.468273][ T817] vx20: left promiscuous mode [ 57.468739][ T817] br1: port 2(vx20) entered disabled state [ 57.830276][ T821] vx10: left allmulticast mode [ 57.830513][ T821] vx10: left promiscuous mode [ 57.830834][ T821] br1: port 1(vx10) entered disabled state