[ 13.200034][ T301] 8021q: 802.1Q VLAN Support v1.8 [ 13.673674][ T307] ip (307) used greatest stack depth: 23856 bytes left [ 16.959524][ T350] br1: port 1(vx10) entered blocking state [ 16.959991][ T350] br1: port 1(vx10) entered disabled state [ 16.960383][ T350] vx10: entered allmulticast mode [ 16.962389][ T350] vx10: entered promiscuous mode [ 16.970506][ T350] br1: port 1(vx10) entered blocking state [ 16.970902][ T350] br1: port 1(vx10) entered forwarding state [ 17.308715][ T355] br1: port 2(vx20) entered blocking state [ 17.308992][ T355] br1: port 2(vx20) entered disabled state [ 17.309287][ T355] vx20: entered allmulticast mode [ 17.311466][ T355] vx20: entered promiscuous mode [ 17.312267][ T355] br1: port 2(vx20) entered blocking state [ 17.312519][ T355] br1: port 2(vx20) entered forwarding state [ 17.475806][ T357] br1: port 3(veth1) entered blocking state [ 17.476092][ T357] br1: port 3(veth1) entered disabled state [ 17.476356][ T357] veth1: entered allmulticast mode [ 17.478644][ T357] veth1: entered promiscuous mode [ 17.558191][ T38] br1: port 3(veth1) entered blocking state [ 17.558792][ T38] br1: port 3(veth1) entered forwarding state [ 17.967917][ T362] br1: port 4(veth2) entered blocking state [ 17.969034][ T362] br1: port 4(veth2) entered disabled state [ 17.969488][ T362] veth2: entered allmulticast mode [ 17.971388][ T362] veth2: entered promiscuous mode [ 18.045022][ T89] br1: port 4(veth2) entered blocking state [ 18.045504][ T89] br1: port 4(veth2) entered forwarding state [ 21.472432][ T413] br2: port 1(w1) entered blocking state [ 21.472686][ T413] br2: port 1(w1) entered disabled state [ 21.472909][ T413] w1: entered allmulticast mode [ 21.474859][ T413] w1: entered promiscuous mode [ 22.101019][ T421] br2: port 2(vx10) entered blocking state [ 22.101418][ T421] br2: port 2(vx10) entered disabled state [ 22.101843][ T421] vx10: entered allmulticast mode [ 22.103914][ T421] vx10: entered promiscuous mode [ 22.104528][ T421] br2: port 2(vx10) entered blocking state [ 22.104879][ T421] br2: port 2(vx10) entered forwarding state [ 22.679115][ T428] br2: port 3(vx20) entered blocking state [ 22.679699][ T428] br2: port 3(vx20) entered disabled state [ 22.679985][ T428] vx20: entered allmulticast mode [ 22.682327][ T428] vx20: entered promiscuous mode [ 22.682863][ T428] br2: port 3(vx20) entered blocking state [ 22.683149][ T428] br2: port 3(vx20) entered forwarding state [ 23.369315][ T46] br2: port 1(w1) entered blocking state [ 23.369780][ T46] br2: port 1(w1) entered forwarding state [ 25.831442][ T470] br2: port 1(w1) entered blocking state [ 25.831717][ T470] br2: port 1(w1) entered disabled state [ 25.831960][ T470] w1: entered allmulticast mode [ 25.833828][ T470] w1: entered promiscuous mode [ 26.452484][ T478] br2: port 2(vx10) entered blocking state [ 26.452809][ T478] br2: port 2(vx10) entered disabled state [ 26.453114][ T478] vx10: entered allmulticast mode [ 26.455249][ T478] vx10: entered promiscuous mode [ 26.455873][ T478] br2: port 2(vx10) entered blocking state [ 26.456153][ T478] br2: port 2(vx10) entered forwarding state [ 27.043319][ T485] br2: port 3(vx20) entered blocking state [ 27.043657][ T485] br2: port 3(vx20) entered disabled state [ 27.043945][ T485] vx20: entered allmulticast mode [ 27.045919][ T485] vx20: entered promiscuous mode [ 27.046841][ T485] br2: port 3(vx20) entered blocking state [ 27.047146][ T485] br2: port 3(vx20) entered forwarding state [ 27.710419][ T46] br2: port 1(w1) entered blocking state [ 27.710830][ T46] br2: port 1(w1) entered forwarding state [ 38.725545][ T572] GACT probability NOT on [ 140.561371][ T932] [ 140.561742][ T932] ============================= [ 140.561907][ T932] WARNING: suspicious RCU usage [ 140.562103][ T932] 6.14.0-rc6-virtme #1 Not tainted [ 140.562291][ T932] ----------------------------- [ 140.562449][ T932] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 140.562724][ T932] [ 140.562724][ T932] other info that might help us debug this: [ 140.562724][ T932] [ 140.563017][ T932] [ 140.563017][ T932] rcu_scheduler_active = 2, debug_locks = 1 [ 140.563254][ T932] 1 lock held by mausezahn/932: [ 140.563414][ T932] #0: ffffffff9715b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 140.563710][ T932] [ 140.563710][ T932] stack backtrace: [ 140.563900][ T932] CPU: 3 UID: 0 PID: 932 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 140.563905][ T932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 140.563907][ T932] Call Trace: [ 140.563909][ T932] [ 140.563912][ T932] dump_stack_lvl+0xb0/0xd0 [ 140.563920][ T932] lockdep_rcu_suspicious+0x1ea/0x280 [ 140.563932][ T932] dev_hard_start_xmit+0x2fc/0x3f0 [ 140.563942][ T932] __dev_queue_xmit+0xfaf/0x18d0 [ 140.563957][ T932] ? __pfx___dev_queue_xmit+0x10/0x10 [ 140.563961][ T932] ? packet_parse_headers+0x231/0x9c0 [ 140.563971][ T932] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 140.563977][ T932] ? __pfx_packet_parse_headers+0x10/0x10 [ 140.563982][ T932] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 140.563988][ T932] ? dev_get_by_index+0xb2/0x190 [ 140.564000][ T932] packet_snd+0xd0c/0x19d0 [ 140.564011][ T932] ? __lock_release+0x103/0x460 [ 140.564015][ T932] ? __might_fault+0x11b/0x170 [ 140.564023][ T932] ? __pfx_packet_snd+0x10/0x10 [ 140.564026][ T932] ? trace_lock_acquire+0x14c/0x1f0 [ 140.564028][ T932] ? __might_fault+0x11b/0x170 [ 140.564035][ T932] ? lock_acquire+0x32/0xc0 [ 140.564041][ T932] ? __might_fault+0x11b/0x170 [ 140.564052][ T932] __sys_sendto+0x3c3/0x450 [ 140.564062][ T932] ? __pfx___sys_sendto+0x10/0x10 [ 140.564076][ T932] ? sock_ioctl+0x3b6/0x590 [ 140.564096][ T932] ? __sys_setsockopt+0xec/0x160 [ 140.564105][ T932] __x64_sys_sendto+0xe0/0x1c0 [ 140.564108][ T932] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 140.564114][ T932] do_syscall_64+0xc1/0x1d0 [ 140.564122][ T932] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 140.564129][ T932] RIP: 0033:0x7fdd736baa4a [ 140.564134][ T932] 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 [ 140.564137][ T932] RSP: 002b:00007ffe9784ec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 140.564141][ T932] RAX: ffffffffffffffda RBX: 000000000dbcf080 RCX: 00007fdd736baa4a [ 140.564144][ T932] RDX: 0000000000000082 RSI: 000000000dbcf372 RDI: 0000000000000006 [ 140.564146][ T932] RBP: 000000000dbcf372 R08: 00007ffe9784ec70 R09: 0000000000000014 [ 140.564148][ T932] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 140.564149][ T932] R13: 0000000000000082 R14: 00007ffe9784ec70 R15: 0000000000000001 [ 140.564165][ T932] [ 164.428455][ T1373] veth3: entered promiscuous mode [ 212.444695][ T2300] veth3: left promiscuous mode [ 212.895031][ T2306] veth3: entered promiscuous mode [ 261.104848][ T3233] veth3: left promiscuous mode [ 262.051011][ T3251] vx20: left allmulticast mode [ 262.051394][ T3251] vx20: left promiscuous mode [ 262.051744][ T3251] br1: port 2(vx20) entered disabled state [ 262.142605][ T3252] vx10: left allmulticast mode [ 262.142852][ T3252] vx10: left promiscuous mode [ 262.143212][ T3252] br1: port 1(vx10) entered disabled state [ 267.500188][ T3257] br1: port 1(vx10) entered blocking state [ 267.500580][ T3257] br1: port 1(vx10) entered disabled state [ 267.500866][ T3257] vx10: entered allmulticast mode [ 267.502871][ T3257] vx10: entered promiscuous mode [ 267.503397][ T3257] br1: port 1(vx10) entered blocking state [ 267.503644][ T3257] br1: port 1(vx10) entered forwarding state [ 267.646010][ T3259] br1: port 2(vx20) entered blocking state [ 267.646322][ T3259] br1: port 2(vx20) entered disabled state [ 267.646596][ T3259] vx20: entered allmulticast mode [ 267.648479][ T3259] vx20: entered promiscuous mode [ 267.648981][ T3259] br1: port 2(vx20) entered blocking state [ 267.649234][ T3259] br1: port 2(vx20) entered forwarding state [ 400.068802][ T4087] veth3: entered promiscuous mode [ 446.156050][ T5014] veth3: left promiscuous mode [ 446.621627][ T5020] veth3: entered promiscuous mode [ 493.241741][ T5947] veth3: left promiscuous mode [ 798.998829][ T12] vx20: left allmulticast mode [ 798.999226][ T12] vx20: left promiscuous mode [ 798.999622][ T12] br2: port 3(vx20) entered disabled state [ 799.002702][ T12] vx10: left allmulticast mode [ 799.002941][ T12] vx10: left promiscuous mode [ 799.003385][ T12] br2: port 2(vx10) entered disabled state [ 799.006234][ T12] w1: left allmulticast mode [ 799.006467][ T12] w1: left promiscuous mode [ 799.006803][ T12] br2: port 1(w1) entered disabled state [ 799.492435][ T12] vx20: left allmulticast mode [ 799.492646][ T12] vx20: left promiscuous mode [ 799.492968][ T12] br2: port 3(vx20) entered disabled state [ 799.495191][ T12] vx10: left allmulticast mode [ 799.495421][ T12] vx10: left promiscuous mode [ 799.495713][ T12] br2: port 2(vx10) entered disabled state [ 799.497550][ T12] w1: left allmulticast mode [ 799.497737][ T12] w1: left promiscuous mode [ 799.498109][ T12] br2: port 1(w1) entered disabled state [ 801.734837][T10511] br1: port 4(veth2) entered disabled state [ 801.807557][T10512] veth2: left allmulticast mode [ 801.807789][T10512] veth2: left promiscuous mode [ 801.808119][T10512] br1: port 4(veth2) entered disabled state [ 802.159462][T10516] br1: port 3(veth1) entered disabled state [ 802.229872][T10517] veth1: left allmulticast mode [ 802.230135][T10517] veth1: left promiscuous mode [ 802.230451][T10517] br1: port 3(veth1) entered disabled state [ 802.380169][T10519] vx20: left allmulticast mode [ 802.380456][T10519] vx20: left promiscuous mode [ 802.380789][T10519] br1: port 2(vx20) entered disabled state [ 802.739230][T10523] vx10: left allmulticast mode [ 802.739519][T10523] vx10: left promiscuous mode [ 802.739856][T10523] br1: port 1(vx10) entered disabled state