[ 15.759906][ T327] ip (327) used greatest stack depth: 24464 bytes left [ 15.830199][ T329] br1: port 1(vx1) entered blocking state [ 15.830583][ T329] br1: port 1(vx1) entered disabled state [ 15.830891][ T329] vx1: entered allmulticast mode [ 15.834206][ T329] vx1: entered promiscuous mode [ 15.836071][ T329] br1: port 1(vx1) entered blocking state [ 15.836427][ T329] br1: port 1(vx1) entered forwarding state [ 15.930654][ T331] br1: port 2(veth1) entered blocking state [ 15.931739][ T331] br1: port 2(veth1) entered disabled state [ 15.932209][ T331] veth1: entered allmulticast mode [ 15.935492][ T331] veth1: entered promiscuous mode [ 16.019217][ T41] br1: port 2(veth1) entered blocking state [ 16.019841][ T41] br1: port 2(veth1) entered forwarding state [ 16.191697][ T334] br1: port 3(veth2) entered blocking state [ 16.192009][ T334] br1: port 3(veth2) entered disabled state [ 16.192319][ T334] veth2: entered allmulticast mode [ 16.194229][ T334] veth2: entered promiscuous mode [ 16.281813][ T41] br1: port 3(veth2) entered blocking state [ 16.282145][ T41] br1: port 3(veth2) entered forwarding state [ 18.369214][ T362] ip (362) used greatest stack depth: 24416 bytes left [ 19.457341][ T382] br2: port 1(w1) entered blocking state [ 19.457588][ T382] br2: port 1(w1) entered disabled state [ 19.457824][ T382] w1: entered allmulticast mode [ 19.459780][ T382] w1: entered promiscuous mode [ 19.957994][ T388] br2: port 2(vx2) entered blocking state [ 19.958569][ T388] br2: port 2(vx2) entered disabled state [ 19.970794][ T388] vx2: entered allmulticast mode [ 19.974838][ T388] vx2: entered promiscuous mode [ 19.976690][ T388] br2: port 2(vx2) entered blocking state [ 19.977021][ T388] br2: port 2(vx2) entered forwarding state [ 20.619106][ T40] br2: port 1(w1) entered blocking state [ 20.619820][ T40] br2: port 1(w1) entered forwarding state [ 22.366764][ T420] br2: port 1(w1) entered blocking state [ 22.367002][ T420] br2: port 1(w1) entered disabled state [ 22.367246][ T420] w1: entered allmulticast mode [ 22.369977][ T420] w1: entered promiscuous mode [ 22.880423][ T426] br2: port 2(vx2) entered blocking state [ 22.880685][ T426] br2: port 2(vx2) entered disabled state [ 22.880930][ T426] vx2: entered allmulticast mode [ 22.882983][ T426] vx2: entered promiscuous mode [ 22.883863][ T426] br2: port 2(vx2) entered blocking state [ 22.884090][ T426] br2: port 2(vx2) entered forwarding state [ 23.480685][ T182] br2: port 1(w1) entered blocking state [ 23.480946][ T182] br2: port 1(w1) entered forwarding state [ 32.528288][ T499] GACT probability NOT on [ 83.895980][ T691] [ 83.896322][ T691] ============================= [ 83.896510][ T691] WARNING: suspicious RCU usage [ 83.896687][ T691] 6.14.0-rc6-virtme #1 Not tainted [ 83.896863][ T691] ----------------------------- [ 83.897048][ T691] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 83.897319][ T691] [ 83.897319][ T691] other info that might help us debug this: [ 83.897319][ T691] [ 83.897608][ T691] [ 83.897608][ T691] rcu_scheduler_active = 2, debug_locks = 1 [ 83.897828][ T691] 1 lock held by mausezahn/691: [ 83.897980][ T691] #0: ffffffffacd5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 83.898285][ T691] [ 83.898285][ T691] stack backtrace: [ 83.898474][ T691] CPU: 3 UID: 0 PID: 691 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 83.898479][ T691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 83.898481][ T691] Call Trace: [ 83.898483][ T691] [ 83.898486][ T691] dump_stack_lvl+0xb0/0xd0 [ 83.898495][ T691] lockdep_rcu_suspicious+0x1ea/0x280 [ 83.898508][ T691] dev_hard_start_xmit+0x2fc/0x3f0 [ 83.898518][ T691] __dev_queue_xmit+0xfaf/0x18d0 [ 83.898533][ T691] ? __pfx___dev_queue_xmit+0x10/0x10 [ 83.898537][ T691] ? packet_parse_headers+0x231/0x9c0 [ 83.898546][ T691] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 83.898553][ T691] ? __pfx_packet_parse_headers+0x10/0x10 [ 83.898558][ T691] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 83.898564][ T691] ? dev_get_by_index+0xb2/0x190 [ 83.898575][ T691] packet_snd+0xd0c/0x19d0 [ 83.898587][ T691] ? __lock_release+0x103/0x460 [ 83.898591][ T691] ? __might_fault+0x11b/0x170 [ 83.898599][ T691] ? __pfx_packet_snd+0x10/0x10 [ 83.898601][ T691] ? trace_lock_acquire+0x14c/0x1f0 [ 83.898603][ T691] ? __might_fault+0x11b/0x170 [ 83.898610][ T691] ? lock_acquire+0x32/0xc0 [ 83.898617][ T691] ? __might_fault+0x11b/0x170 [ 83.898628][ T691] __sys_sendto+0x3c3/0x450 [ 83.898634][ T691] ? __pfx___sys_sendto+0x10/0x10 [ 83.898649][ T691] ? sock_ioctl+0x3b6/0x590 [ 83.898654][ T691] ? __pfx___lock_release+0x10/0x10 [ 83.898662][ T691] ? __pfx___up_read+0x10/0x10 [ 83.898673][ T691] ? do_user_addr_fault+0x972/0xe30 [ 83.898683][ T691] ? do_user_addr_fault+0x97c/0xe30 [ 83.898690][ T691] __x64_sys_sendto+0xe0/0x1c0 [ 83.898694][ T691] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 83.898699][ T691] do_syscall_64+0xc1/0x1d0 [ 83.898707][ T691] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.898713][ T691] RIP: 0033:0x7fa5e40c9a4a [ 83.898718][ T691] 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 [ 83.898720][ T691] RSP: 002b:00007ffd647a53f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 83.898724][ T691] RAX: ffffffffffffffda RBX: 0000000039eeede0 RCX: 00007fa5e40c9a4a [ 83.898727][ T691] RDX: 000000000000007e RSI: 0000000039eef0e2 RDI: 0000000000000005 [ 83.898728][ T691] RBP: 0000000039eef0e2 R08: 00007ffd647a5400 R09: 0000000000000014 [ 83.898730][ T691] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 83.898732][ T691] R13: 000000000000007e R14: 00007ffd647a5400 R15: 0000000000000000 [ 83.898748][ T691] [ 89.160408][ T766] veth3: entered promiscuous mode [ 117.797872][ T1255] veth3: left promiscuous mode [ 141.483159][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 141.584676][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 141.685813][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 141.787272][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 141.888472][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 141.989439][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 142.090404][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 142.191495][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 142.292721][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 142.393793][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 146.492814][ C2] net_ratelimit: 3 callbacks suppressed [ 146.492826][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 146.593988][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 146.695071][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 146.796089][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 146.897047][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 146.998087][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 147.099234][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 205.982478][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.084218][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.185183][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.285927][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.386855][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.487793][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.588834][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.690103][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.797565][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 206.898425][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001 [ 208.499782][ T2224] vx1: left allmulticast mode [ 208.500073][ T2224] vx1: left promiscuous mode [ 208.500455][ T2224] br1: port 1(vx1) entered disabled state [ 213.875368][ T2229] br1: port 1(vx1) entered blocking state [ 213.875675][ T2229] br1: port 1(vx1) entered disabled state [ 213.876360][ T2229] vx1: entered allmulticast mode [ 213.878295][ T2229] vx1: entered promiscuous mode [ 213.879102][ T2229] br1: port 1(vx1) entered blocking state [ 213.879358][ T2229] br1: port 1(vx1) entered forwarding state [ 213.886614][ T2229] ip (2229) used greatest stack depth: 24096 bytes left [ 277.932107][ T2517] veth3: entered promiscuous mode [ 305.676523][ T3006] veth3: left promiscuous mode [ 306.429072][ T68] vx2: left allmulticast mode [ 306.429397][ T68] vx2: left promiscuous mode [ 306.429743][ T68] br2: port 2(vx2) entered disabled state [ 306.435597][ T68] w1: left allmulticast mode [ 306.435799][ T68] w1: left promiscuous mode [ 306.436227][ T68] br2: port 1(w1) entered disabled state [ 306.820754][ T3022] ip (3022) used greatest stack depth: 23952 bytes left [ 306.895690][ T68] vx2: left allmulticast mode [ 306.895914][ T68] vx2: left promiscuous mode [ 306.896237][ T68] br2: port 2(vx2) entered disabled state [ 306.897793][ T68] w1: left allmulticast mode [ 306.897988][ T68] w1: left promiscuous mode [ 306.898302][ T68] br2: port 1(w1) entered disabled state [ 308.792110][ T3045] br1: port 3(veth2) entered disabled state [ 308.864292][ T3046] veth2: left allmulticast mode [ 308.864540][ T3046] veth2: left promiscuous mode [ 308.864858][ T3046] br1: port 3(veth2) entered disabled state [ 309.076465][ T3048] br1: port 2(veth1) entered disabled state [ 309.181439][ T3049] veth1: left allmulticast mode [ 309.181852][ T3049] veth1: left promiscuous mode [ 309.182418][ T3049] br1: port 2(veth1) entered disabled state [ 309.271202][ T3050] vx1: left allmulticast mode [ 309.271456][ T3050] vx1: left promiscuous mode [ 309.271773][ T3050] br1: port 1(vx1) entered disabled state