[ 61.395193][ T883] GACT probability NOT on [ 62.469552][ T918] br10: port 1(veth1.10) entered blocking state [ 62.469865][ T918] br10: port 1(veth1.10) entered disabled state [ 62.470164][ T918] veth1.10: entered allmulticast mode [ 62.470358][ T918] veth1: entered allmulticast mode [ 62.473420][ T918] veth1.10: entered promiscuous mode [ 62.473657][ T918] veth1: entered promiscuous mode [ 62.921832][ T935] br11: port 1(veth1.11) entered blocking state [ 62.922163][ T935] br11: port 1(veth1.11) entered disabled state [ 62.922524][ T935] veth1.11: entered allmulticast mode [ 62.924948][ T935] veth1.11: entered promiscuous mode [ 63.917056][ T965] br10: port 2(veth2.10) entered blocking state [ 63.917353][ T965] br10: port 2(veth2.10) entered disabled state [ 63.917672][ T965] veth2.10: entered allmulticast mode [ 63.917854][ T965] veth2: entered allmulticast mode [ 63.919829][ T965] veth2.10: entered promiscuous mode [ 63.920026][ T965] veth2: entered promiscuous mode [ 64.424136][ T982] br11: port 2(veth2.11) entered blocking state [ 64.424473][ T982] br11: port 2(veth2.11) entered disabled state [ 64.424782][ T982] veth2.11: entered allmulticast mode [ 64.426730][ T982] veth2.11: entered promiscuous mode [ 64.935735][ T994] br10: port 2(veth2.10) entered blocking state [ 64.936165][ T994] br10: port 2(veth2.10) entered forwarding state [ 64.937185][ T994] br10: port 1(veth1.10) entered blocking state [ 64.937560][ T994] br10: port 1(veth1.10) entered forwarding state [ 65.082166][ T999] br11: port 2(veth2.11) entered blocking state [ 65.082523][ T999] br11: port 2(veth2.11) entered forwarding state [ 65.083019][ T999] br11: port 1(veth1.11) entered blocking state [ 65.083337][ T999] br11: port 1(veth1.11) entered forwarding state [ 73.820383][ T1050] [ 73.820882][ T1050] ============================= [ 73.821063][ T1050] WARNING: suspicious RCU usage [ 73.821243][ T1050] 6.14.0-rc6-virtme #1 Not tainted [ 73.821446][ T1050] ----------------------------- [ 73.821630][ T1050] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 73.821912][ T1050] [ 73.821912][ T1050] other info that might help us debug this: [ 73.821912][ T1050] [ 73.822240][ T1050] [ 73.822240][ T1050] rcu_scheduler_active = 2, debug_locks = 1 [ 73.822492][ T1050] 1 lock held by mausezahn/1050: [ 73.822662][ T1050] #0: ffffffffb475b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 73.822999][ T1050] [ 73.822999][ T1050] stack backtrace: [ 73.823222][ T1050] CPU: 0 UID: 0 PID: 1050 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 73.823227][ T1050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 73.823229][ T1050] Call Trace: [ 73.823231][ T1050] [ 73.823234][ T1050] dump_stack_lvl+0xb0/0xd0 [ 73.823243][ T1050] lockdep_rcu_suspicious+0x1ea/0x280 [ 73.823255][ T1050] dev_hard_start_xmit+0x2fc/0x3f0 [ 73.823265][ T1050] __dev_queue_xmit+0xfaf/0x18d0 [ 73.823271][ T1050] ? __pfx__copy_from_iter+0x10/0x10 [ 73.823282][ T1050] ? __pfx_vlan_parse_protocol+0x10/0x10 [8021q] [ 73.823295][ T1050] ? __pfx___dev_queue_xmit+0x10/0x10 [ 73.823299][ T1050] ? packet_parse_headers+0x231/0x9c0 [ 73.823308][ T1050] ? copy_page_from_iter+0xbd/0x120 [ 73.823313][ T1050] ? __pfx_packet_parse_headers+0x10/0x10 [ 73.823318][ T1050] ? skb_copy_datagram_from_iter+0x29f/0x6f0 [ 73.823333][ T1050] packet_snd+0xd0c/0x19d0 [ 73.823345][ T1050] ? __lock_release+0x103/0x460 [ 73.823349][ T1050] ? __might_fault+0x11b/0x170 [ 73.823358][ T1050] ? __pfx_packet_snd+0x10/0x10 [ 73.823360][ T1050] ? trace_lock_acquire+0x14c/0x1f0 [ 73.823363][ T1050] ? __might_fault+0x11b/0x170 [ 73.823370][ T1050] ? lock_acquire+0x32/0xc0 [ 73.823376][ T1050] ? __might_fault+0x11b/0x170 [ 73.823387][ T1050] __sys_sendto+0x3c3/0x450 [ 73.823394][ T1050] ? __pfx___sys_sendto+0x10/0x10 [ 73.823408][ T1050] ? sock_ioctl+0x3b6/0x590 [ 73.823413][ T1050] ? __pfx___lock_release+0x10/0x10 [ 73.823421][ T1050] ? __pfx___up_read+0x10/0x10 [ 73.823435][ T1050] ? do_user_addr_fault+0x972/0xe30 [ 73.823445][ T1050] ? do_user_addr_fault+0x97c/0xe30 [ 73.823452][ T1050] __x64_sys_sendto+0xe0/0x1c0 [ 73.823456][ T1050] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 73.823461][ T1050] do_syscall_64+0xc1/0x1d0 [ 73.823469][ T1050] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.823475][ T1050] RIP: 0033:0x7ffa1666fa4a [ 73.823480][ T1050] 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 [ 73.823483][ T1050] RSP: 002b:00007fffec89a468 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 73.823486][ T1050] RAX: ffffffffffffffda RBX: 0000000002ad59d0 RCX: 00007ffa1666fa4a [ 73.823489][ T1050] RDX: 0000000000001f6a RSI: 0000000002ad88e2 RDI: 0000000000000005 [ 73.823491][ T1050] RBP: 0000000002ad88e2 R08: 00007fffec89a470 R09: 0000000000000014 [ 73.823492][ T1050] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.823494][ T1050] R13: 0000000000001f6a R14: 00007fffec89a470 R15: 0000000000000000 [ 73.823510][ T1050] [ 91.567450][ T1124] br11: port 2(veth2.11) entered disabled state [ 91.568613][ T1124] br11: port 1(veth1.11) entered disabled state [ 91.660883][ T1126] br10: port 2(veth2.10) entered disabled state [ 91.661986][ T1126] br10: port 1(veth1.10) entered disabled state [ 91.860116][ T1130] veth2.11: left allmulticast mode [ 91.860369][ T1130] veth2.11: left promiscuous mode [ 91.860910][ T1130] br11: port 2(veth2.11) entered disabled state [ 92.186110][ T1138] veth2.10: left allmulticast mode [ 92.186351][ T1138] veth2: left allmulticast mode [ 92.186577][ T1138] veth2.10: left promiscuous mode [ 92.186760][ T1138] veth2: left promiscuous mode [ 92.187263][ T1138] br10: port 2(veth2.10) entered disabled state [ 92.728769][ T1148] veth1.11: left allmulticast mode [ 92.729087][ T1148] veth1.11: left promiscuous mode [ 92.729698][ T1148] br11: port 1(veth1.11) entered disabled state [ 93.075745][ T1154] veth1.10: left allmulticast mode [ 93.075991][ T1154] veth1: left allmulticast mode [ 93.076196][ T1154] veth1.10: left promiscuous mode [ 93.076376][ T1154] veth1: left promiscuous mode [ 93.076893][ T1154] br10: port 1(veth1.10) entered disabled state