[ 14.014322][ T306] br1: port 1(veth1) entered blocking state [ 14.014861][ T306] br1: port 1(veth1) entered disabled state [ 14.015927][ T306] veth1: entered allmulticast mode [ 14.018018][ T306] veth1: entered promiscuous mode [ 14.115217][ T57] br1: port 1(veth1) entered blocking state [ 14.115614][ T57] br1: port 1(veth1) entered forwarding state [ 14.195279][ T309] br1: port 2(veth2) entered blocking state [ 14.195602][ T309] br1: port 2(veth2) entered disabled state [ 14.196290][ T309] veth2: entered allmulticast mode [ 14.198974][ T309] veth2: entered promiscuous mode [ 14.287737][ T46] br1: port 2(veth2) entered blocking state [ 14.288047][ T46] br1: port 2(veth2) entered forwarding state [ 21.964299][ T346] GACT probability NOT on [ 22.115849][ T347] [ 22.116257][ T347] ============================= [ 22.116422][ T347] WARNING: suspicious RCU usage [ 22.116574][ T347] 6.14.0-rc6-virtme #1 Not tainted [ 22.116739][ T347] ----------------------------- [ 22.117154][ T347] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 22.117441][ T347] [ 22.117441][ T347] other info that might help us debug this: [ 22.117441][ T347] [ 22.117729][ T347] [ 22.117729][ T347] rcu_scheduler_active = 2, debug_locks = 1 [ 22.117965][ T347] 1 lock held by mausezahn/347: [ 22.118117][ T347] #0: ffffffff8e15b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 22.118409][ T347] [ 22.118409][ T347] stack backtrace: [ 22.118602][ T347] CPU: 1 UID: 0 PID: 347 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 22.118607][ T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.118609][ T347] Call Trace: [ 22.118611][ T347] [ 22.118613][ T347] dump_stack_lvl+0xb0/0xd0 [ 22.118621][ T347] lockdep_rcu_suspicious+0x1ea/0x280 [ 22.118633][ T347] dev_hard_start_xmit+0x2fc/0x3f0 [ 22.118644][ T347] __dev_queue_xmit+0xfaf/0x18d0 [ 22.118659][ T347] ? __pfx___dev_queue_xmit+0x10/0x10 [ 22.118663][ T347] ? packet_parse_headers+0x231/0x9c0 [ 22.118673][ T347] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 22.118679][ T347] ? __pfx_packet_parse_headers+0x10/0x10 [ 22.118684][ T347] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 22.118690][ T347] ? dev_get_by_index+0xb2/0x190 [ 22.118702][ T347] packet_snd+0xd0c/0x19d0 [ 22.118714][ T347] ? __lock_release+0x103/0x460 [ 22.118718][ T347] ? __might_fault+0x11b/0x170 [ 22.118727][ T347] ? __pfx_packet_snd+0x10/0x10 [ 22.118729][ T347] ? trace_lock_acquire+0x14c/0x1f0 [ 22.118731][ T347] ? __might_fault+0x11b/0x170 [ 22.118739][ T347] ? lock_acquire+0x32/0xc0 [ 22.118745][ T347] ? __might_fault+0x11b/0x170 [ 22.118756][ T347] __sys_sendto+0x3c3/0x450 [ 22.118763][ T347] ? __pfx___sys_sendto+0x10/0x10 [ 22.118777][ T347] ? sock_ioctl+0x3b6/0x590 [ 22.118787][ T347] ? __pfx___up_read+0x10/0x10 [ 22.118797][ T347] ? do_user_addr_fault+0x374/0xe30 [ 22.118808][ T347] ? do_user_addr_fault+0x374/0xe30 [ 22.118815][ T347] __x64_sys_sendto+0xe0/0x1c0 [ 22.118819][ T347] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 22.118824][ T347] do_syscall_64+0xc1/0x1d0 [ 22.118834][ T347] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 22.118840][ T347] RIP: 0033:0x7ff1c65f2a4a [ 22.118845][ T347] 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 [ 22.118848][ T347] RSP: 002b:00007ffce435be68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 22.118852][ T347] RAX: ffffffffffffffda RBX: 0000000021ca89d0 RCX: 00007ff1c65f2a4a [ 22.118854][ T347] RDX: 000000000000008e RSI: 0000000021ca8cf2 RDI: 0000000000000005 [ 22.118856][ T347] RBP: 0000000021ca8cf2 R08: 00007ffce435be70 R09: 0000000000000014 [ 22.118858][ T347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 22.118860][ T347] R13: 000000000000008e R14: 00007ffce435be70 R15: 0000000000000000 [ 22.118876][ T347] [ 25.586090][ C1] tc action pedit unable to extract header offset for header type (0x5) [ 27.122284][ C0] tc action pedit unable to extract header offset for header type (0x5) [ 28.145141][ C0] tc action pedit unable to extract header offset for header type (0x5) [ 28.146044][ C0] tc action pedit unable to extract header offset for header type (0x5) [ 43.505280][ C3] tc action pedit unable to extract header offset for header type (0x4) [ 49.271521][ T737] br1: port 2(veth2) entered disabled state [ 49.281624][ T737] ip (737) used greatest stack depth: 23992 bytes left [ 49.352265][ T738] veth2: left allmulticast mode [ 49.352505][ T738] veth2: left promiscuous mode [ 49.352827][ T738] br1: port 2(veth2) entered disabled state [ 49.444279][ T739] br1: port 1(veth1) entered disabled state [ 49.520444][ T740] veth1: left allmulticast mode [ 49.520714][ T740] veth1: left promiscuous mode [ 49.521082][ T740] br1: port 1(veth1) entered disabled state