[ 10.763812][ T270] ip (270) used greatest stack depth: 23872 bytes left [ 15.351242][ T321] br0: port 1(swp1) entered blocking state [ 15.351684][ T321] br0: port 1(swp1) entered disabled state [ 15.351998][ T321] swp1: entered allmulticast mode [ 15.353266][ T321] swp1: entered promiscuous mode [ 15.738011][ T324] br0: port 2(vx0) entered blocking state [ 15.738366][ T324] br0: port 2(vx0) entered disabled state [ 15.738606][ T324] vx0: entered allmulticast mode [ 15.739888][ T324] vx0: entered promiscuous mode [ 15.740454][ T324] br0: port 2(vx0) entered blocking state [ 15.740751][ T324] br0: port 2(vx0) entered forwarding state [ 16.254450][ T46] br0: port 1(swp1) entered blocking state [ 16.254836][ T46] br0: port 1(swp1) entered forwarding state [ 17.090740][ T343] br0: port 1(swp1) entered blocking state [ 17.091086][ T343] br0: port 1(swp1) entered disabled state [ 17.091592][ T343] swp1: entered allmulticast mode [ 17.092844][ T343] swp1: entered promiscuous mode [ 17.097069][ T41] br0: port 1(swp1) entered blocking state [ 17.097324][ T41] br0: port 1(swp1) entered forwarding state [ 17.343820][ T346] br0: port 2(vx0) entered blocking state [ 17.344128][ T346] br0: port 2(vx0) entered disabled state [ 17.344337][ T346] vx0: entered allmulticast mode [ 17.345529][ T346] vx0: entered promiscuous mode [ 17.346083][ T346] br0: port 2(vx0) entered blocking state [ 17.346277][ T346] br0: port 2(vx0) entered forwarding state [ 23.423416][ T362] GACT probability NOT on [ 23.442793][ T359] tc (359) used greatest stack depth: 23640 bytes left [ 23.581789][ T364] [ 23.582091][ T364] ============================= [ 23.582300][ T364] WARNING: suspicious RCU usage [ 23.582468][ T364] 6.14.0-rc6-virtme #1 Not tainted [ 23.582634][ T364] ----------------------------- [ 23.582800][ T364] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 23.583105][ T364] [ 23.583105][ T364] other info that might help us debug this: [ 23.583105][ T364] [ 23.583431][ T364] [ 23.583431][ T364] rcu_scheduler_active = 2, debug_locks = 1 [ 23.583682][ T364] 1 lock held by arping/364: [ 23.583979][ T364] #0: ffffffffaa56f640 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f5/0x18d0 [ 23.584303][ T364] [ 23.584303][ T364] stack backtrace: [ 23.584509][ T364] CPU: 3 UID: 0 PID: 364 Comm: arping Not tainted 6.14.0-rc6-virtme #1 [ 23.584514][ T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.584515][ T364] Call Trace: [ 23.584517][ T364] [ 23.584519][ T364] dump_stack_lvl+0xb0/0xd0 [ 23.584528][ T364] lockdep_rcu_suspicious+0x1ea/0x280 [ 23.584539][ T364] dev_hard_start_xmit+0x2fc/0x3f0 [ 23.584551][ T364] __dev_queue_xmit+0xfaa/0x18d0 [ 23.584555][ T364] ? _copy_from_iter+0x1d2/0x12e0 [ 23.584572][ T364] ? __pfx___dev_queue_xmit+0x10/0x10 [ 23.584577][ T364] ? packet_parse_headers+0x243/0x9d0 [ 23.584587][ T364] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 23.584594][ T364] ? __pfx_packet_parse_headers+0x10/0x10 [ 23.584599][ T364] ? skb_copy_datagram_from_iter+0xe6/0x6e0 [ 23.584606][ T364] ? dev_get_by_index+0xb2/0x190 [ 23.584616][ T364] packet_snd+0xd0d/0x19c0 [ 23.584628][ T364] ? __lock_release+0x103/0x460 [ 23.584631][ T364] ? __might_fault+0x11b/0x170 [ 23.584637][ T364] ? __pfx_packet_snd+0x10/0x10 [ 23.584640][ T364] ? trace_lock_acquire+0x14c/0x1f0 [ 23.584642][ T364] ? __pfx___lock_release+0x10/0x10 [ 23.584649][ T364] ? lock_acquire+0x32/0xc0 [ 23.584655][ T364] ? __might_fault+0x11b/0x170 [ 23.584666][ T364] __sys_sendto+0x3c3/0x450 [ 23.584673][ T364] ? __pfx___sys_sendto+0x10/0x10 [ 23.584685][ T364] ? __lock_release+0x103/0x460 [ 23.584689][ T364] ? __pfx___lock_release+0x10/0x10 [ 23.584698][ T364] ? __pfx___up_read+0x10/0x10 [ 23.584704][ T364] ? do_user_addr_fault+0x374/0xe30 [ 23.584714][ T364] ? do_user_addr_fault+0x374/0xe30 [ 23.584722][ T364] __x64_sys_sendto+0xe0/0x1c0 [ 23.584726][ T364] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 23.584731][ T364] do_syscall_64+0xc1/0x1d0 [ 23.584737][ T364] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 23.584742][ T364] RIP: 0033:0x7f563f471a4a [ 23.584745][ T364] 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 [ 23.584748][ T364] RSP: 002b:00007ffde553ff28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 23.584751][ T364] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007f563f471a4a [ 23.584753][ T364] RDX: 000000000000001c RSI: 00007ffde553ff40 RDI: 0000000000000005 [ 23.584755][ T364] RBP: 00007ffde5540090 R08: 00007ffde55414f0 R09: 0000000000000014 [ 23.584757][ T364] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffde55417c8 [ 23.584759][ T364] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007f563f577000 [ 23.584775][ T364] [ 33.590616][ T12] br0: port 1(swp1) entered disabled state [ 33.752780][ T12] swp1 (unregistering): left allmulticast mode [ 33.753119][ T12] swp1 (unregistering): left promiscuous mode [ 33.753331][ T12] br0: port 1(swp1) entered disabled state [ 33.916475][ T12] br0: port 1(swp1) entered disabled state [ 34.102905][ T12] swp1 (unregistering): left allmulticast mode [ 34.103173][ T12] swp1 (unregistering): left promiscuous mode [ 34.103393][ T12] br0: port 1(swp1) entered disabled state [ 34.217125][ T12] vx0: left allmulticast mode [ 34.217346][ T12] vx0: left promiscuous mode [ 34.217665][ T12] br0: port 2(vx0) entered disabled state [ 34.551813][ T12] vx0: left allmulticast mode [ 34.552052][ T12] vx0: left promiscuous mode [ 34.552340][ T12] br0: port 2(vx0) entered disabled state [ 40.457684][ T590] br0: port 1(swp1) entered blocking state [ 40.458330][ T590] br0: port 1(swp1) entered disabled state [ 40.458594][ T590] swp1: entered allmulticast mode [ 40.459805][ T590] swp1: entered promiscuous mode [ 40.699758][ T593] br0: port 2(vx0) entered blocking state [ 40.700103][ T593] br0: port 2(vx0) entered disabled state [ 40.700328][ T593] vx0: entered allmulticast mode [ 40.701574][ T593] vx0: entered promiscuous mode [ 40.702137][ T593] br0: port 2(vx0) entered blocking state [ 40.702351][ T593] br0: port 2(vx0) entered forwarding state [ 41.398447][ T39] br0: port 1(swp1) entered blocking state [ 41.398703][ T39] br0: port 1(swp1) entered forwarding state [ 42.013475][ T610] br0: port 1(swp1) entered blocking state [ 42.013849][ T610] br0: port 1(swp1) entered disabled state [ 42.015097][ T610] swp1: entered allmulticast mode [ 42.016306][ T610] swp1: entered promiscuous mode [ 42.019857][ T46] br0: port 1(swp1) entered blocking state [ 42.020147][ T46] br0: port 1(swp1) entered forwarding state [ 42.247422][ T613] br0: port 2(vx0) entered blocking state [ 42.247942][ T613] br0: port 2(vx0) entered disabled state [ 42.248178][ T613] vx0: entered allmulticast mode [ 42.249439][ T613] vx0: entered promiscuous mode [ 42.250435][ T613] br0: port 2(vx0) entered blocking state [ 42.250732][ T613] br0: port 2(vx0) entered forwarding state [ 65.818996][ T12] br0: port 1(swp1) entered disabled state [ 65.976808][ T12] swp1 (unregistering): left allmulticast mode [ 65.977084][ T12] swp1 (unregistering): left promiscuous mode [ 65.977279][ T12] br0: port 1(swp1) entered disabled state [ 66.139657][ T12] br0: port 1(swp1) entered disabled state [ 66.253544][ T12] swp1 (unregistering): left allmulticast mode [ 66.253873][ T12] swp1 (unregistering): left promiscuous mode [ 66.254093][ T12] br0: port 1(swp1) entered disabled state [ 66.429175][ T12] vx0: left allmulticast mode [ 66.429410][ T12] vx0: left promiscuous mode [ 66.429716][ T12] br0: port 2(vx0) entered disabled state [ 66.757725][ T12] vx0: left allmulticast mode [ 66.757981][ T12] vx0: left promiscuous mode [ 66.758281][ T12] br0: port 2(vx0) entered disabled state [ 72.743320][ T850] br0: port 1(swp1) entered blocking state [ 72.743642][ T850] br0: port 1(swp1) entered disabled state [ 72.743871][ T850] swp1: entered allmulticast mode [ 72.746211][ T850] swp1: entered promiscuous mode [ 73.009815][ T853] br0: port 2(vx0) entered blocking state [ 73.010128][ T853] br0: port 2(vx0) entered disabled state [ 73.010348][ T853] vx0: entered allmulticast mode [ 73.011565][ T853] vx0: entered promiscuous mode [ 73.012272][ T853] br0: port 2(vx0) entered blocking state [ 73.012465][ T853] br0: port 2(vx0) entered forwarding state [ 73.693707][ T56] br0: port 1(swp1) entered blocking state [ 73.693986][ T56] br0: port 1(swp1) entered forwarding state [ 74.352270][ T870] br0: port 1(swp1) entered blocking state [ 74.352560][ T870] br0: port 1(swp1) entered disabled state [ 74.352805][ T870] swp1: entered allmulticast mode [ 74.354070][ T870] swp1: entered promiscuous mode [ 74.358780][ T46] br0: port 1(swp1) entered blocking state [ 74.359056][ T46] br0: port 1(swp1) entered forwarding state [ 74.591975][ T873] br0: port 2(vx0) entered blocking state [ 74.592286][ T873] br0: port 2(vx0) entered disabled state [ 74.592512][ T873] vx0: entered allmulticast mode [ 74.593769][ T873] vx0: entered promiscuous mode [ 74.594606][ T873] br0: port 2(vx0) entered blocking state [ 74.594808][ T873] br0: port 2(vx0) entered forwarding state [ 87.476107][ T12] br0: port 1(swp1) entered disabled state [ 87.579528][ T12] swp1 (unregistering): left allmulticast mode [ 87.579762][ T12] swp1 (unregistering): left promiscuous mode [ 87.579968][ T12] br0: port 1(swp1) entered disabled state [ 87.801567][ T12] br0: port 1(swp1) entered disabled state [ 87.911528][ T12] swp1 (unregistering): left allmulticast mode [ 87.911882][ T12] swp1 (unregistering): left promiscuous mode [ 87.912092][ T12] br0: port 1(swp1) entered disabled state [ 88.053096][ T12] vx0: left allmulticast mode [ 88.053283][ T12] vx0: left promiscuous mode [ 88.053554][ T12] br0: port 2(vx0) entered disabled state [ 88.357162][ T12] vx0: left allmulticast mode [ 88.357393][ T12] vx0: left promiscuous mode [ 88.357679][ T12] br0: port 2(vx0) entered disabled state [ 94.296324][ T1103] br0: port 1(swp1) entered blocking state [ 94.296596][ T1103] br0: port 1(swp1) entered disabled state [ 94.296825][ T1103] swp1: entered allmulticast mode [ 94.298045][ T1103] swp1: entered promiscuous mode [ 94.544754][ T1106] br0: port 2(vx0) entered blocking state [ 94.545018][ T1106] br0: port 2(vx0) entered disabled state [ 94.545238][ T1106] vx0: entered allmulticast mode [ 94.546469][ T1106] vx0: entered promiscuous mode [ 94.547519][ T1106] br0: port 2(vx0) entered blocking state [ 94.547731][ T1106] br0: port 2(vx0) entered forwarding state [ 95.239536][ T56] br0: port 1(swp1) entered blocking state [ 95.239803][ T56] br0: port 1(swp1) entered forwarding state [ 95.864638][ T1123] br0: port 1(swp1) entered blocking state [ 95.864942][ T1123] br0: port 1(swp1) entered disabled state [ 95.865193][ T1123] swp1: entered allmulticast mode [ 95.866385][ T1123] swp1: entered promiscuous mode [ 95.870806][ T40] br0: port 1(swp1) entered blocking state [ 95.871053][ T40] br0: port 1(swp1) entered forwarding state [ 96.112255][ T1126] br0: port 2(vx0) entered blocking state [ 96.112502][ T1126] br0: port 2(vx0) entered disabled state [ 96.112719][ T1126] vx0: entered allmulticast mode [ 96.113965][ T1126] vx0: entered promiscuous mode [ 96.114617][ T1126] br0: port 2(vx0) entered blocking state [ 96.114807][ T1126] br0: port 2(vx0) entered forwarding state [ 108.780463][ T12] br0: port 1(swp1) entered disabled state [ 108.933517][ T12] swp1 (unregistering): left allmulticast mode [ 108.933754][ T12] swp1 (unregistering): left promiscuous mode [ 108.933985][ T12] br0: port 1(swp1) entered disabled state [ 109.107230][ T12] br0: port 1(swp1) entered disabled state [ 109.269719][ T12] swp1 (unregistering): left allmulticast mode [ 109.269971][ T12] swp1 (unregistering): left promiscuous mode [ 109.270163][ T12] br0: port 1(swp1) entered disabled state [ 109.381954][ T12] vx0: left allmulticast mode [ 109.382185][ T12] vx0: left promiscuous mode [ 109.382455][ T12] br0: port 2(vx0) entered disabled state [ 109.738421][ T12] vx0: left allmulticast mode [ 109.738618][ T12] vx0: left promiscuous mode [ 109.738896][ T12] br0: port 2(vx0) entered disabled state