[ 381.888106][ T2063] GACT probability NOT on [ 383.733844][ T2112] br1: port 1(veth1) entered blocking state [ 383.736056][ T2112] br1: port 1(veth1) entered disabled state [ 383.736715][ T2112] veth1: entered allmulticast mode [ 383.739991][ T2112] veth1: entered promiscuous mode [ 383.970249][ T39] br1: port 1(veth1) entered blocking state [ 383.970679][ T39] br1: port 1(veth1) entered forwarding state [ 391.120852][ T2166] br1: port 2(vx1) entered blocking state [ 391.121311][ T2166] br1: port 2(vx1) entered disabled state [ 391.121748][ T2166] vx1: entered allmulticast mode [ 391.125600][ T2166] vx1: entered promiscuous mode [ 391.127723][ T2166] br1: port 2(vx1) entered blocking state [ 391.128360][ T2166] br1: port 2(vx1) entered forwarding state [ 392.450012][ T2221] [ 392.450493][ T2221] ============================= [ 392.450768][ T2221] WARNING: suspicious RCU usage [ 392.451108][ T2221] 6.14.0-rc6-virtme #1 Not tainted [ 392.451400][ T2221] ----------------------------- [ 392.451703][ T2221] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 392.452180][ T2221] [ 392.452180][ T2221] other info that might help us debug this: [ 392.452180][ T2221] [ 392.452702][ T2221] [ 392.452702][ T2221] rcu_scheduler_active = 2, debug_locks = 1 [ 392.453112][ T2221] 1 lock held by mausezahn/2221: [ 392.453397][ T2221] #0: ffffffffbc75b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 392.453911][ T2221] [ 392.453911][ T2221] stack backtrace: [ 392.454283][ T2221] CPU: 3 UID: 0 PID: 2221 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 392.454290][ T2221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 392.454296][ T2221] Call Trace: [ 392.454300][ T2221] [ 392.454304][ T2221] dump_stack_lvl+0xb0/0xd0 [ 392.454316][ T2221] lockdep_rcu_suspicious+0x1ea/0x280 [ 392.454335][ T2221] dev_hard_start_xmit+0x2fc/0x3f0 [ 392.454353][ T2221] __dev_queue_xmit+0xfaf/0x18d0 [ 392.454380][ T2221] ? __pfx___dev_queue_xmit+0x10/0x10 [ 392.454386][ T2221] ? packet_parse_headers+0x231/0x9c0 [ 392.454402][ T2221] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 392.454412][ T2221] ? __pfx_packet_parse_headers+0x10/0x10 [ 392.454420][ T2221] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 392.454430][ T2221] ? dev_get_by_index+0xb2/0x190 [ 392.454465][ T2221] packet_snd+0xd0c/0x19d0 [ 392.454487][ T2221] ? __lock_release+0x103/0x460 [ 392.454493][ T2221] ? __might_fault+0x11b/0x170 [ 392.454504][ T2221] ? __pfx_packet_snd+0x10/0x10 [ 392.454507][ T2221] ? trace_lock_acquire+0x14c/0x1f0 [ 392.454512][ T2221] ? __might_fault+0x11b/0x170 [ 392.454524][ T2221] ? lock_acquire+0x32/0xc0 [ 392.454535][ T2221] ? __might_fault+0x11b/0x170 [ 392.454555][ T2221] __sys_sendto+0x3c3/0x450 [ 392.454567][ T2221] ? __pfx___sys_sendto+0x10/0x10 [ 392.454613][ T2221] ? sock_ioctl+0x3b6/0x590 [ 392.454632][ T2221] ? __pfx___up_read+0x10/0x10 [ 392.454647][ T2221] ? do_user_addr_fault+0x374/0xe30 [ 392.454667][ T2221] ? do_user_addr_fault+0x374/0xe30 [ 392.454680][ T2221] __x64_sys_sendto+0xe0/0x1c0 [ 392.454687][ T2221] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 392.454696][ T2221] do_syscall_64+0xc1/0x1d0 [ 392.454708][ T2221] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 392.454719][ T2221] RIP: 0033:0x7fec73bbaa4a [ 392.454728][ T2221] 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 [ 392.454733][ T2221] RSP: 002b:00007ffd6524dc98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 392.454739][ T2221] RAX: ffffffffffffffda RBX: 000000002bb459d0 RCX: 00007fec73bbaa4a [ 392.454743][ T2221] RDX: 0000000000000094 RSI: 000000002bb45cf2 RDI: 0000000000000005 [ 392.454746][ T2221] RBP: 000000002bb45cf2 R08: 00007ffd6524dca0 R09: 0000000000000014 [ 392.454749][ T2221] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 392.454752][ T2221] R13: 0000000000000094 R14: 00007ffd6524dca0 R15: 0000000000000000 [ 392.454779][ T2221] [ 435.806551][ T4118] vx1: left allmulticast mode [ 435.806856][ T4118] vx1: left promiscuous mode [ 435.807238][ T4118] br1: port 2(vx1) entered disabled state [ 436.291662][ T4140] br1: port 2(vx1) entered blocking state [ 436.291888][ T4140] br1: port 2(vx1) entered disabled state [ 436.292115][ T4140] vx1: entered allmulticast mode [ 436.300073][ T4140] vx1: entered promiscuous mode [ 436.300857][ T4140] br1: port 2(vx1) entered blocking state [ 436.301076][ T4140] br1: port 2(vx1) entered forwarding state [ 477.993915][ T6093] vx1: left allmulticast mode [ 477.994201][ T6093] vx1: left promiscuous mode [ 477.994567][ T6093] br1: port 2(vx1) entered disabled state [ 478.644682][ T6126] br1: port 2(vx1) entered blocking state [ 478.644983][ T6126] br1: port 2(vx1) entered disabled state [ 478.645803][ T6126] vx1: entered allmulticast mode [ 478.649055][ T6126] vx1: entered promiscuous mode [ 478.650055][ T6126] br1: port 2(vx1) entered blocking state [ 478.650356][ T6126] br1: port 2(vx1) entered forwarding state [ 519.553644][ T8078] vx1: left allmulticast mode [ 519.554000][ T8078] vx1: left promiscuous mode [ 519.554505][ T8078] br1: port 2(vx1) entered disabled state [ 520.215361][ T8111] br1: port 2(vx1) entered blocking state [ 520.215742][ T8111] br1: port 2(vx1) entered disabled state [ 520.216137][ T8111] vx1: entered allmulticast mode [ 520.219923][ T8111] vx1: entered promiscuous mode [ 520.221213][ T8111] br1: port 2(vx1) entered blocking state [ 520.221542][ T8111] br1: port 2(vx1) entered forwarding state [ 561.249969][T10063] vx1: left allmulticast mode [ 561.250235][T10063] vx1: left promiscuous mode [ 561.250581][T10063] br1: port 2(vx1) entered disabled state [ 561.864039][T10096] br1: port 2(vx1) entered blocking state [ 561.864323][T10096] br1: port 2(vx1) entered disabled state [ 561.864624][T10096] vx1: entered allmulticast mode [ 561.875113][T10096] vx1: entered promiscuous mode [ 561.875974][T10096] br1: port 2(vx1) entered blocking state [ 561.876222][T10096] br1: port 2(vx1) entered forwarding state [ 603.935714][T12048] vx1: left allmulticast mode [ 603.936029][T12048] vx1: left promiscuous mode [ 603.936422][T12048] br1: port 2(vx1) entered disabled state [ 604.636817][T12081] br1: port 2(vx1) entered blocking state [ 604.637100][T12081] br1: port 2(vx1) entered disabled state [ 604.637379][T12081] vx1: entered allmulticast mode [ 604.639414][T12081] vx1: entered promiscuous mode [ 604.640527][T12081] br1: port 2(vx1) entered blocking state [ 604.640760][T12081] br1: port 2(vx1) entered forwarding state [ 646.174397][T14033] vx1: left allmulticast mode [ 646.174706][T14033] vx1: left promiscuous mode [ 646.175063][T14033] br1: port 2(vx1) entered disabled state [ 646.820473][T14066] br1: port 2(vx1) entered blocking state [ 646.820741][T14066] br1: port 2(vx1) entered disabled state [ 646.820979][T14066] vx1: entered allmulticast mode [ 646.823692][T14066] vx1: entered promiscuous mode [ 646.824512][T14066] br1: port 2(vx1) entered blocking state [ 646.824737][T14066] br1: port 2(vx1) entered forwarding state [ 687.941378][T16018] vx1: left allmulticast mode [ 687.941741][T16018] vx1: left promiscuous mode [ 687.942197][T16018] br1: port 2(vx1) entered disabled state [ 688.949614][T16043] br1: port 1(veth1) entered disabled state [ 689.042587][T16045] veth1: left allmulticast mode [ 689.042906][T16045] veth1: left promiscuous mode [ 689.043263][T16045] br1: port 1(veth1) entered disabled state