[ 13.921764][ T307] br1: port 1(veth1) entered blocking state [ 13.922278][ T307] br1: port 1(veth1) entered disabled state [ 13.922694][ T307] veth1: entered allmulticast mode [ 13.925061][ T307] veth1: entered promiscuous mode [ 14.024764][ T41] br1: port 1(veth1) entered blocking state [ 14.025172][ T41] br1: port 1(veth1) entered forwarding state [ 14.114666][ T311] br1: port 2(veth2) entered blocking state [ 14.114995][ T311] br1: port 2(veth2) entered disabled state [ 14.123077][ T311] veth2: entered allmulticast mode [ 14.125610][ T311] veth2: entered promiscuous mode [ 14.206586][ T310] br1: port 2(veth2) entered blocking state [ 14.206887][ T310] br1: port 2(veth2) entered forwarding state [ 21.855588][ T348] GACT probability NOT on [ 21.999609][ T349] [ 21.999956][ T349] ============================= [ 22.000154][ T349] WARNING: suspicious RCU usage [ 22.000321][ T349] 6.14.0-rc6-virtme #1 Not tainted [ 22.000495][ T349] ----------------------------- [ 22.000662][ T349] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 22.000968][ T349] [ 22.000968][ T349] other info that might help us debug this: [ 22.000968][ T349] [ 22.001298][ T349] [ 22.001298][ T349] rcu_scheduler_active = 2, debug_locks = 1 [ 22.001662][ T349] 1 lock held by mausezahn/349: [ 22.001829][ T349] #0: ffffffffa1b5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 22.002149][ T349] [ 22.002149][ T349] stack backtrace: [ 22.002351][ T349] CPU: 3 UID: 0 PID: 349 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 22.002355][ T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.002357][ T349] Call Trace: [ 22.002359][ T349] [ 22.002362][ T349] dump_stack_lvl+0xb0/0xd0 [ 22.002369][ T349] lockdep_rcu_suspicious+0x1ea/0x280 [ 22.002379][ T349] dev_hard_start_xmit+0x2fc/0x3f0 [ 22.002390][ T349] __dev_queue_xmit+0xfaf/0x18d0 [ 22.002404][ T349] ? __pfx___dev_queue_xmit+0x10/0x10 [ 22.002408][ T349] ? packet_parse_headers+0x231/0x9c0 [ 22.002417][ T349] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 22.002423][ T349] ? __pfx_packet_parse_headers+0x10/0x10 [ 22.002427][ T349] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 22.002432][ T349] ? dev_get_by_index+0xb2/0x190 [ 22.002444][ T349] packet_snd+0xd0c/0x19d0 [ 22.002455][ T349] ? __lock_release+0x103/0x460 [ 22.002458][ T349] ? __might_fault+0x11b/0x170 [ 22.002465][ T349] ? __pfx_packet_snd+0x10/0x10 [ 22.002467][ T349] ? trace_lock_acquire+0x14c/0x1f0 [ 22.002470][ T349] ? __might_fault+0x11b/0x170 [ 22.002477][ T349] ? lock_acquire+0x32/0xc0 [ 22.002483][ T349] ? __might_fault+0x11b/0x170 [ 22.002494][ T349] __sys_sendto+0x3c3/0x450 [ 22.002500][ T349] ? __pfx___sys_sendto+0x10/0x10 [ 22.002514][ T349] ? sock_ioctl+0x3b6/0x590 [ 22.002524][ T349] ? __pfx___up_read+0x10/0x10 [ 22.002532][ T349] ? do_user_addr_fault+0x374/0xe30 [ 22.002543][ T349] ? do_user_addr_fault+0x374/0xe30 [ 22.002549][ T349] __x64_sys_sendto+0xe0/0x1c0 [ 22.002553][ T349] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 22.002559][ T349] do_syscall_64+0xc1/0x1d0 [ 22.002566][ T349] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 22.002571][ T349] RIP: 0033:0x7f18d1211a4a [ 22.002575][ T349] 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 [ 22.002578][ T349] RSP: 002b:00007ffe1cbde398 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 22.002582][ T349] RAX: ffffffffffffffda RBX: 00000000321159d0 RCX: 00007f18d1211a4a [ 22.002584][ T349] RDX: 000000000000008e RSI: 0000000032115cf2 RDI: 0000000000000005 [ 22.002585][ T349] RBP: 0000000032115cf2 R08: 00007ffe1cbde3a0 R09: 0000000000000014 [ 22.002587][ T349] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 22.002589][ T349] R13: 000000000000008e R14: 00007ffe1cbde3a0 R15: 0000000000000000 [ 22.002605][ T349] [ 25.534750][ C3] tc action pedit unable to extract header offset for header type (0x5) [ 27.070409][ C1] tc action pedit unable to extract header offset for header type (0x5) [ 29.117514][ C1] tc action pedit unable to extract header offset for header type (0x5) [ 41.917411][ C2] tc action pedit unable to extract header offset for header type (0x4) [ 45.501303][ C1] tc action pedit unable to extract header offset for header type (0x4) [ 47.038280][ C1] tc action pedit unable to extract header offset for header type (0x4) [ 49.890998][ T739] br1: port 2(veth2) entered disabled state [ 49.972603][ T740] veth2: left allmulticast mode [ 49.972852][ T740] veth2: left promiscuous mode [ 49.973538][ T740] br1: port 2(veth2) entered disabled state [ 50.069307][ T741] br1: port 1(veth1) entered disabled state [ 50.137208][ T742] veth1: left allmulticast mode [ 50.137451][ T742] veth1: left promiscuous mode [ 50.137781][ T742] br1: port 1(veth1) entered disabled state