[ 15.415638][ T317] ip (317) used greatest stack depth: 24320 bytes left [ 15.814399][ T322] br0: port 1(swp1) entered blocking state [ 15.814765][ T322] br0: port 1(swp1) entered disabled state [ 15.815266][ T322] swp1: entered allmulticast mode [ 15.816503][ T322] swp1: entered promiscuous mode [ 16.185272][ T325] br0: port 2(vx0) entered blocking state [ 16.185644][ T325] br0: port 2(vx0) entered disabled state [ 16.185852][ T325] vx0: entered allmulticast mode [ 16.187176][ T325] vx0: entered promiscuous mode [ 16.188070][ T325] br0: port 2(vx0) entered blocking state [ 16.188342][ T325] br0: port 2(vx0) entered forwarding state [ 16.205789][ T325] ip (325) used greatest stack depth: 24272 bytes left [ 16.794697][ T39] br0: port 1(swp1) entered blocking state [ 16.795175][ T39] br0: port 1(swp1) entered forwarding state [ 17.555531][ T344] br0: port 1(swp1) entered blocking state [ 17.555894][ T344] br0: port 1(swp1) entered disabled state [ 17.557116][ T344] swp1: entered allmulticast mode [ 17.558328][ T344] swp1: entered promiscuous mode [ 17.569671][ T40] br0: port 1(swp1) entered blocking state [ 17.569895][ T40] br0: port 1(swp1) entered forwarding state [ 17.814482][ T347] br0: port 2(vx0) entered blocking state [ 17.814727][ T347] br0: port 2(vx0) entered disabled state [ 17.814962][ T347] vx0: entered allmulticast mode [ 17.816218][ T347] vx0: entered promiscuous mode [ 17.816984][ T347] br0: port 2(vx0) entered blocking state [ 17.817311][ T347] br0: port 2(vx0) entered forwarding state [ 23.953667][ T363] GACT probability NOT on [ 24.106528][ T365] [ 24.106955][ T365] ============================= [ 24.107359][ T365] WARNING: suspicious RCU usage [ 24.107605][ T365] 6.14.0-rc6-virtme #1 Not tainted [ 24.107850][ T365] ----------------------------- [ 24.108107][ T365] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 24.108558][ T365] [ 24.108558][ T365] other info that might help us debug this: [ 24.108558][ T365] [ 24.108972][ T365] [ 24.108972][ T365] rcu_scheduler_active = 2, debug_locks = 1 [ 24.109227][ T365] 1 lock held by arping/365: [ 24.109447][ T365] #0: ffffffff98f6f640 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f5/0x18d0 [ 24.109773][ T365] [ 24.109773][ T365] stack backtrace: [ 24.110029][ T365] CPU: 3 UID: 0 PID: 365 Comm: arping Not tainted 6.14.0-rc6-virtme #1 [ 24.110034][ T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.110036][ T365] Call Trace: [ 24.110037][ T365] [ 24.110040][ T365] dump_stack_lvl+0xb0/0xd0 [ 24.110049][ T365] lockdep_rcu_suspicious+0x1ea/0x280 [ 24.110059][ T365] dev_hard_start_xmit+0x2fc/0x3f0 [ 24.110071][ T365] __dev_queue_xmit+0xfaa/0x18d0 [ 24.110075][ T365] ? _copy_from_iter+0x1d2/0x12e0 [ 24.110093][ T365] ? __pfx___dev_queue_xmit+0x10/0x10 [ 24.110098][ T365] ? packet_parse_headers+0x243/0x9d0 [ 24.110108][ T365] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 24.110115][ T365] ? __pfx_packet_parse_headers+0x10/0x10 [ 24.110120][ T365] ? skb_copy_datagram_from_iter+0xe6/0x6e0 [ 24.110126][ T365] ? dev_get_by_index+0xb2/0x190 [ 24.110137][ T365] packet_snd+0xd0d/0x19c0 [ 24.110149][ T365] ? __lock_release+0x103/0x460 [ 24.110152][ T365] ? __might_fault+0x11b/0x170 [ 24.110158][ T365] ? __pfx_packet_snd+0x10/0x10 [ 24.110160][ T365] ? trace_lock_acquire+0x14c/0x1f0 [ 24.110163][ T365] ? __pfx___lock_release+0x10/0x10 [ 24.110169][ T365] ? lock_acquire+0x32/0xc0 [ 24.110175][ T365] ? __might_fault+0x11b/0x170 [ 24.110191][ T365] __sys_sendto+0x3c3/0x450 [ 24.110202][ T365] ? __pfx___sys_sendto+0x10/0x10 [ 24.110221][ T365] ? __lock_release+0x103/0x460 [ 24.110226][ T365] ? __pfx___lock_release+0x10/0x10 [ 24.110234][ T365] ? __pfx___up_read+0x10/0x10 [ 24.110240][ T365] ? do_user_addr_fault+0x374/0xe30 [ 24.110251][ T365] ? do_user_addr_fault+0x374/0xe30 [ 24.110258][ T365] __x64_sys_sendto+0xe0/0x1c0 [ 24.110263][ T365] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 24.110267][ T365] do_syscall_64+0xc1/0x1d0 [ 24.110275][ T365] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 24.110280][ T365] RIP: 0033:0x7fe605e6ca4a [ 24.110285][ T365] 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 [ 24.110287][ T365] RSP: 002b:00007ffd511c4a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 24.110291][ T365] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007fe605e6ca4a [ 24.110293][ T365] RDX: 000000000000001c RSI: 00007ffd511c4a40 RDI: 0000000000000005 [ 24.110295][ T365] RBP: 00007ffd511c4b90 R08: 00007ffd511c5ff0 R09: 0000000000000014 [ 24.110297][ T365] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd511c62c8 [ 24.110299][ T365] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007fe605f72000 [ 24.110315][ T365] [ 34.418234][ T12] br0: port 1(swp1) entered disabled state [ 34.592903][ T12] swp1 (unregistering): left allmulticast mode [ 34.593305][ T12] swp1 (unregistering): left promiscuous mode [ 34.593522][ T12] br0: port 1(swp1) entered disabled state [ 34.728806][ T12] br0: port 1(swp1) entered disabled state [ 34.878658][ T12] swp1 (unregistering): left allmulticast mode [ 34.878927][ T12] swp1 (unregistering): left promiscuous mode [ 34.879140][ T12] br0: port 1(swp1) entered disabled state [ 35.034043][ T12] vx0: left allmulticast mode [ 35.034323][ T12] vx0: left promiscuous mode [ 35.034674][ T12] br0: port 2(vx0) entered disabled state [ 35.371814][ T12] vx0: left allmulticast mode [ 35.372029][ T12] vx0: left promiscuous mode [ 35.372314][ T12] br0: port 2(vx0) entered disabled state [ 41.443306][ T591] br0: port 1(swp1) entered blocking state [ 41.443554][ T591] br0: port 1(swp1) entered disabled state [ 41.443782][ T591] swp1: entered allmulticast mode [ 41.444968][ T591] swp1: entered promiscuous mode [ 41.693710][ T594] br0: port 2(vx0) entered blocking state [ 41.694050][ T594] br0: port 2(vx0) entered disabled state [ 41.694269][ T594] vx0: entered allmulticast mode [ 41.695622][ T594] vx0: entered promiscuous mode [ 41.696366][ T594] br0: port 2(vx0) entered blocking state [ 41.696574][ T594] br0: port 2(vx0) entered forwarding state [ 42.393974][ T38] br0: port 1(swp1) entered blocking state [ 42.394211][ T38] br0: port 1(swp1) entered forwarding state [ 43.068363][ T611] br0: port 1(swp1) entered blocking state [ 43.068741][ T611] br0: port 1(swp1) entered disabled state [ 43.069020][ T611] swp1: entered allmulticast mode [ 43.070273][ T611] swp1: entered promiscuous mode [ 43.073943][ T40] br0: port 1(swp1) entered blocking state [ 43.074156][ T40] br0: port 1(swp1) entered forwarding state [ 43.309508][ T614] br0: port 2(vx0) entered blocking state [ 43.309793][ T614] br0: port 2(vx0) entered disabled state [ 43.310497][ T614] vx0: entered allmulticast mode [ 43.311716][ T614] vx0: entered promiscuous mode [ 43.312237][ T614] br0: port 2(vx0) entered blocking state [ 43.312420][ T614] br0: port 2(vx0) entered forwarding state [ 67.199075][ T12] br0: port 1(swp1) entered disabled state [ 67.327613][ T12] swp1 (unregistering): left allmulticast mode [ 67.327886][ T12] swp1 (unregistering): left promiscuous mode [ 67.328119][ T12] br0: port 1(swp1) entered disabled state [ 67.485988][ T12] br0: port 1(swp1) entered disabled state [ 67.629603][ T12] swp1 (unregistering): left allmulticast mode [ 67.629857][ T12] swp1 (unregistering): left promiscuous mode [ 67.630075][ T12] br0: port 1(swp1) entered disabled state [ 67.759102][ T12] vx0: left allmulticast mode [ 67.759313][ T12] vx0: left promiscuous mode [ 67.759613][ T12] br0: port 2(vx0) entered disabled state [ 68.117521][ T12] vx0: left allmulticast mode [ 68.117728][ T12] vx0: left promiscuous mode [ 68.118061][ T12] br0: port 2(vx0) entered disabled state [ 74.265102][ T851] br0: port 1(swp1) entered blocking state [ 74.265417][ T851] br0: port 1(swp1) entered disabled state [ 74.265693][ T851] swp1: entered allmulticast mode [ 74.266957][ T851] swp1: entered promiscuous mode [ 74.503626][ T854] br0: port 2(vx0) entered blocking state [ 74.503922][ T854] br0: port 2(vx0) entered disabled state [ 74.504113][ T854] vx0: entered allmulticast mode [ 74.505318][ T854] vx0: entered promiscuous mode [ 74.505827][ T854] br0: port 2(vx0) entered blocking state [ 74.506018][ T854] br0: port 2(vx0) entered forwarding state [ 75.200547][ T41] br0: port 1(swp1) entered blocking state [ 75.200847][ T41] br0: port 1(swp1) entered forwarding state [ 75.838535][ T871] br0: port 1(swp1) entered blocking state [ 75.838854][ T871] br0: port 1(swp1) entered disabled state [ 75.839101][ T871] swp1: entered allmulticast mode [ 75.840286][ T871] swp1: entered promiscuous mode [ 75.843941][ T38] br0: port 1(swp1) entered blocking state [ 75.844214][ T38] br0: port 1(swp1) entered forwarding state [ 76.096609][ T874] br0: port 2(vx0) entered blocking state [ 76.096883][ T874] br0: port 2(vx0) entered disabled state [ 76.097142][ T874] vx0: entered allmulticast mode [ 76.098391][ T874] vx0: entered promiscuous mode [ 76.099140][ T874] br0: port 2(vx0) entered blocking state [ 76.099369][ T874] br0: port 2(vx0) entered forwarding state [ 89.270694][ T12] br0: port 1(swp1) entered disabled state [ 89.449699][ T12] swp1 (unregistering): left allmulticast mode [ 89.450013][ T12] swp1 (unregistering): left promiscuous mode [ 89.450298][ T12] br0: port 1(swp1) entered disabled state [ 89.583079][ T12] br0: port 1(swp1) entered disabled state [ 89.710626][ T12] swp1 (unregistering): left allmulticast mode [ 89.710863][ T12] swp1 (unregistering): left promiscuous mode [ 89.711079][ T12] br0: port 1(swp1) entered disabled state [ 89.871614][ T12] vx0: left allmulticast mode [ 89.871823][ T12] vx0: left promiscuous mode [ 89.872137][ T12] br0: port 2(vx0) entered disabled state [ 90.206999][ T12] vx0: left allmulticast mode [ 90.207195][ T12] vx0: left promiscuous mode [ 90.207472][ T12] br0: port 2(vx0) entered disabled state [ 96.304550][ T1103] br0: port 1(swp1) entered blocking state [ 96.304903][ T1103] br0: port 1(swp1) entered disabled state [ 96.305169][ T1103] swp1: entered allmulticast mode [ 96.306378][ T1103] swp1: entered promiscuous mode [ 96.559432][ T1106] br0: port 2(vx0) entered blocking state [ 96.559718][ T1106] br0: port 2(vx0) entered disabled state [ 96.559997][ T1106] vx0: entered allmulticast mode [ 96.561205][ T1106] vx0: entered promiscuous mode [ 96.561877][ T1106] br0: port 2(vx0) entered blocking state [ 96.562067][ T1106] br0: port 2(vx0) entered forwarding state [ 97.241673][ T40] br0: port 1(swp1) entered blocking state [ 97.241933][ T40] br0: port 1(swp1) entered forwarding state [ 97.903411][ T1123] br0: port 1(swp1) entered blocking state [ 97.903731][ T1123] br0: port 1(swp1) entered disabled state [ 97.903979][ T1123] swp1: entered allmulticast mode [ 97.905168][ T1123] swp1: entered promiscuous mode [ 97.908605][ T38] br0: port 1(swp1) entered blocking state [ 97.908851][ T38] br0: port 1(swp1) entered forwarding state [ 98.150530][ T1126] br0: port 2(vx0) entered blocking state [ 98.150825][ T1126] br0: port 2(vx0) entered disabled state [ 98.151033][ T1126] vx0: entered allmulticast mode [ 98.152249][ T1126] vx0: entered promiscuous mode [ 98.153154][ T1126] br0: port 2(vx0) entered blocking state [ 98.153338][ T1126] br0: port 2(vx0) entered forwarding state [ 111.133486][ T12] br0: port 1(swp1) entered disabled state [ 111.268885][ T12] swp1 (unregistering): left allmulticast mode [ 111.269165][ T12] swp1 (unregistering): left promiscuous mode [ 111.269371][ T12] br0: port 1(swp1) entered disabled state [ 111.483217][ T12] br0: port 1(swp1) entered disabled state [ 111.651063][ T12] swp1 (unregistering): left allmulticast mode [ 111.651303][ T12] swp1 (unregistering): left promiscuous mode [ 111.651505][ T12] br0: port 1(swp1) entered disabled state [ 111.788709][ T12] vx0: left allmulticast mode [ 111.788984][ T12] vx0: left promiscuous mode [ 111.789288][ T12] br0: port 2(vx0) entered disabled state [ 112.143347][ T12] vx0: left allmulticast mode [ 112.143541][ T12] vx0: left promiscuous mode [ 112.143821][ T12] br0: port 2(vx0) entered disabled state