[ 10.500892][ T251] ip (251) used greatest stack depth: 23936 bytes left [ 11.326169][ T274] ip (274) used greatest stack depth: 23920 bytes left [ 13.526660][ T302] 8021q: 802.1Q VLAN Support v1.8 [ 17.939378][ T353] br1: port 1(vx10) entered blocking state [ 17.939874][ T353] br1: port 1(vx10) entered disabled state [ 17.940470][ T353] vx10: entered allmulticast mode [ 17.943106][ T353] vx10: entered promiscuous mode [ 17.944159][ T353] br1: port 1(vx10) entered blocking state [ 17.944565][ T353] br1: port 1(vx10) entered forwarding state [ 18.314556][ T358] br1: port 2(vx20) entered blocking state [ 18.314861][ T358] br1: port 2(vx20) entered disabled state [ 18.315274][ T358] vx20: entered allmulticast mode [ 18.317638][ T358] vx20: entered promiscuous mode [ 18.318606][ T358] br1: port 2(vx20) entered blocking state [ 18.318881][ T358] br1: port 2(vx20) entered forwarding state [ 18.502583][ T360] br1: port 3(veth1) entered blocking state [ 18.502961][ T360] br1: port 3(veth1) entered disabled state [ 18.503276][ T360] veth1: entered allmulticast mode [ 18.505526][ T360] veth1: entered promiscuous mode [ 18.588329][ T68] br1: port 3(veth1) entered blocking state [ 18.588824][ T68] br1: port 3(veth1) entered forwarding state [ 19.005090][ T366] br1: port 4(veth2) entered blocking state [ 19.005385][ T366] br1: port 4(veth2) entered disabled state [ 19.005743][ T366] veth2: entered allmulticast mode [ 19.009276][ T366] veth2: entered promiscuous mode [ 19.114964][ T40] br1: port 4(veth2) entered blocking state [ 19.115276][ T40] br1: port 4(veth2) entered forwarding state [ 22.883477][ T416] br2: port 1(w1) entered blocking state [ 22.883957][ T416] br2: port 1(w1) entered disabled state [ 22.884437][ T416] w1: entered allmulticast mode [ 22.888505][ T416] w1: entered promiscuous mode [ 23.602794][ T424] br2: port 2(vx10) entered blocking state [ 23.603172][ T424] br2: port 2(vx10) entered disabled state [ 23.603482][ T424] vx10: entered allmulticast mode [ 23.605524][ T424] vx10: entered promiscuous mode [ 23.606225][ T424] br2: port 2(vx10) entered blocking state [ 23.606534][ T424] br2: port 2(vx10) entered forwarding state [ 24.286184][ T431] br2: port 3(vx20) entered blocking state [ 24.286751][ T431] br2: port 3(vx20) entered disabled state [ 24.287274][ T431] vx20: entered allmulticast mode [ 24.291978][ T431] vx20: entered promiscuous mode [ 24.292908][ T431] br2: port 3(vx20) entered blocking state [ 24.293373][ T431] br2: port 3(vx20) entered forwarding state [ 25.059874][ T68] br2: port 1(w1) entered blocking state [ 25.060489][ T68] br2: port 1(w1) entered forwarding state [ 27.582739][ T473] br2: port 1(w1) entered blocking state [ 27.582984][ T473] br2: port 1(w1) entered disabled state [ 27.583256][ T473] w1: entered allmulticast mode [ 27.585149][ T473] w1: entered promiscuous mode [ 28.248694][ T481] br2: port 2(vx10) entered blocking state [ 28.249017][ T481] br2: port 2(vx10) entered disabled state [ 28.249345][ T481] vx10: entered allmulticast mode [ 28.251188][ T481] vx10: entered promiscuous mode [ 28.252013][ T481] br2: port 2(vx10) entered blocking state [ 28.252287][ T481] br2: port 2(vx10) entered forwarding state [ 28.850716][ T488] br2: port 3(vx20) entered blocking state [ 28.851021][ T488] br2: port 3(vx20) entered disabled state [ 28.852380][ T488] vx20: entered allmulticast mode [ 28.854270][ T488] vx20: entered promiscuous mode [ 28.854795][ T488] br2: port 3(vx20) entered blocking state [ 28.855069][ T488] br2: port 3(vx20) entered forwarding state [ 29.541093][ T40] br2: port 1(w1) entered blocking state [ 29.541527][ T40] br2: port 1(w1) entered forwarding state [ 40.791935][ T575] GACT probability NOT on [ 143.191653][ T935] [ 143.191959][ T935] ============================= [ 143.192167][ T935] WARNING: suspicious RCU usage [ 143.192422][ T935] 6.14.0-rc6-virtme #1 Not tainted [ 143.192679][ T935] ----------------------------- [ 143.192918][ T935] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 143.193316][ T935] [ 143.193316][ T935] other info that might help us debug this: [ 143.193316][ T935] [ 143.193709][ T935] [ 143.193709][ T935] rcu_scheduler_active = 2, debug_locks = 1 [ 143.194032][ T935] 1 lock held by mausezahn/935: [ 143.194373][ T935] #0: ffffffff9bd5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 143.194714][ T935] [ 143.194714][ T935] stack backtrace: [ 143.194940][ T935] CPU: 2 UID: 0 PID: 935 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 143.194945][ T935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 143.194947][ T935] Call Trace: [ 143.194949][ T935] [ 143.194951][ T935] dump_stack_lvl+0xb0/0xd0 [ 143.194959][ T935] lockdep_rcu_suspicious+0x1ea/0x280 [ 143.194970][ T935] dev_hard_start_xmit+0x2fc/0x3f0 [ 143.194980][ T935] __dev_queue_xmit+0xfaf/0x18d0 [ 143.194994][ T935] ? __pfx___dev_queue_xmit+0x10/0x10 [ 143.194998][ T935] ? packet_parse_headers+0x231/0x9c0 [ 143.195007][ T935] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 143.195013][ T935] ? __pfx_packet_parse_headers+0x10/0x10 [ 143.195017][ T935] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 143.195022][ T935] ? dev_get_by_index+0xb2/0x190 [ 143.195033][ T935] packet_snd+0xd0c/0x19d0 [ 143.195046][ T935] ? __lock_release+0x103/0x460 [ 143.195050][ T935] ? __might_fault+0x11b/0x170 [ 143.195057][ T935] ? __pfx_packet_snd+0x10/0x10 [ 143.195059][ T935] ? trace_lock_acquire+0x14c/0x1f0 [ 143.195061][ T935] ? __might_fault+0x11b/0x170 [ 143.195068][ T935] ? lock_acquire+0x32/0xc0 [ 143.195074][ T935] ? __might_fault+0x11b/0x170 [ 143.195085][ T935] __sys_sendto+0x3c3/0x450 [ 143.195091][ T935] ? __pfx___sys_sendto+0x10/0x10 [ 143.195106][ T935] ? sock_ioctl+0x3b6/0x590 [ 143.195125][ T935] ? __sys_setsockopt+0xec/0x160 [ 143.195133][ T935] __x64_sys_sendto+0xe0/0x1c0 [ 143.195137][ T935] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 143.195143][ T935] do_syscall_64+0xc1/0x1d0 [ 143.195150][ T935] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 143.195155][ T935] RIP: 0033:0x7f3f6f32ba4a [ 143.195159][ T935] 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 [ 143.195162][ T935] RSP: 002b:00007fffdf94e788 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 143.195166][ T935] RAX: ffffffffffffffda RBX: 000000003ccc6080 RCX: 00007f3f6f32ba4a [ 143.195168][ T935] RDX: 0000000000000082 RSI: 000000003ccc6372 RDI: 0000000000000006 [ 143.195170][ T935] RBP: 000000003ccc6372 R08: 00007fffdf94e790 R09: 0000000000000014 [ 143.195171][ T935] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 143.195173][ T935] R13: 0000000000000082 R14: 00007fffdf94e790 R15: 0000000000000001 [ 143.195189][ T935] [ 168.901970][ T1376] veth3: entered promiscuous mode [ 223.674811][ T2303] veth3: left promiscuous mode [ 224.368380][ T2309] veth3: entered promiscuous mode [ 277.757523][ T3236] veth3: left promiscuous mode [ 278.748594][ T3254] vx20: left allmulticast mode [ 278.748950][ T3254] vx20: left promiscuous mode [ 278.749505][ T3254] br1: port 2(vx20) entered disabled state [ 278.845499][ T3255] vx10: left allmulticast mode [ 278.845845][ T3255] vx10: left promiscuous mode [ 278.846365][ T3255] br1: port 1(vx10) entered disabled state [ 284.281025][ T3260] br1: port 1(vx10) entered blocking state [ 284.281621][ T3260] br1: port 1(vx10) entered disabled state [ 284.281940][ T3260] vx10: entered allmulticast mode [ 284.283865][ T3260] vx10: entered promiscuous mode [ 284.285490][ T3260] br1: port 1(vx10) entered blocking state [ 284.285764][ T3260] br1: port 1(vx10) entered forwarding state [ 284.457730][ T3262] br1: port 2(vx20) entered blocking state [ 284.458022][ T3262] br1: port 2(vx20) entered disabled state [ 284.458323][ T3262] vx20: entered allmulticast mode [ 284.461361][ T3262] vx20: entered promiscuous mode [ 284.462115][ T3262] br1: port 2(vx20) entered blocking state [ 284.462542][ T3262] br1: port 2(vx20) entered forwarding state [ 424.671749][ T4091] veth3: entered promiscuous mode [ 476.766415][ T5018] veth3: left promiscuous mode [ 477.288012][ T5024] veth3: entered promiscuous mode [ 528.191070][ T5951] veth3: left promiscuous mode [ 861.563946][ T12] vx20: left allmulticast mode [ 861.564581][ T12] vx20: left promiscuous mode [ 861.564948][ T12] br2: port 3(vx20) entered disabled state [ 861.567616][ T12] vx10: left allmulticast mode [ 861.567833][ T12] vx10: left promiscuous mode [ 861.568299][ T12] br2: port 2(vx10) entered disabled state [ 861.569930][ T12] w1: left allmulticast mode [ 861.570193][ T12] w1: left promiscuous mode [ 861.570525][ T12] br2: port 1(w1) entered disabled state [ 862.027376][ T12] vx20: left allmulticast mode [ 862.027610][ T12] vx20: left promiscuous mode [ 862.027950][ T12] br2: port 3(vx20) entered disabled state [ 862.029487][ T12] vx10: left allmulticast mode [ 862.029695][ T12] vx10: left promiscuous mode [ 862.030194][ T12] br2: port 2(vx10) entered disabled state [ 862.032365][ T12] w1: left allmulticast mode [ 862.032567][ T12] w1: left promiscuous mode [ 862.032894][ T12] br2: port 1(w1) entered disabled state [ 864.436713][T10517] br1: port 4(veth2) entered disabled state [ 864.515406][T10518] veth2: left allmulticast mode [ 864.515677][T10518] veth2: left promiscuous mode [ 864.516011][T10518] br1: port 4(veth2) entered disabled state [ 864.894059][T10522] br1: port 3(veth1) entered disabled state [ 864.977059][T10523] veth1: left allmulticast mode [ 864.977401][T10523] veth1: left promiscuous mode [ 864.977711][T10523] br1: port 3(veth1) entered disabled state [ 865.142304][T10525] vx20: left allmulticast mode [ 865.142559][T10525] vx20: left promiscuous mode [ 865.142884][T10525] br1: port 2(vx20) entered disabled state [ 865.519607][T10529] vx10: left allmulticast mode [ 865.519898][T10529] vx10: left promiscuous mode [ 865.520274][T10529] br1: port 1(vx10) entered disabled state