[ 11.132480][ T278] ip (278) used greatest stack depth: 23880 bytes left [ 15.185340][ T323] br0: port 1(swp1) entered blocking state [ 15.186036][ T323] br0: port 1(swp1) entered disabled state [ 15.186475][ T323] swp1: entered allmulticast mode [ 15.187866][ T323] swp1: entered promiscuous mode [ 15.574932][ T326] br0: port 2(vx0) entered blocking state [ 15.575291][ T326] br0: port 2(vx0) entered disabled state [ 15.575512][ T326] vx0: entered allmulticast mode [ 15.577013][ T326] vx0: entered promiscuous mode [ 15.577827][ T326] br0: port 2(vx0) entered blocking state [ 15.578152][ T326] br0: port 2(vx0) entered forwarding state [ 16.079652][ T46] br0: port 1(swp1) entered blocking state [ 16.080115][ T46] br0: port 1(swp1) entered forwarding state [ 16.961576][ T345] br0: port 1(swp1) entered blocking state [ 16.961877][ T345] br0: port 1(swp1) entered disabled state [ 16.962153][ T345] swp1: entered allmulticast mode [ 16.963293][ T345] swp1: entered promiscuous mode [ 16.967080][ T46] br0: port 1(swp1) entered blocking state [ 16.967344][ T46] br0: port 1(swp1) entered forwarding state [ 17.214707][ T348] br0: port 2(vx0) entered blocking state [ 17.214926][ T348] br0: port 2(vx0) entered disabled state [ 17.215149][ T348] vx0: entered allmulticast mode [ 17.216355][ T348] vx0: entered promiscuous mode [ 17.216904][ T348] br0: port 2(vx0) entered blocking state [ 17.217133][ T348] br0: port 2(vx0) entered forwarding state [ 23.342241][ T364] GACT probability NOT on [ 23.488001][ T366] [ 23.488307][ T366] ============================= [ 23.488492][ T366] WARNING: suspicious RCU usage [ 23.488667][ T366] 6.14.0-rc6-virtme #1 Not tainted [ 23.488842][ T366] ----------------------------- [ 23.489015][ T366] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 23.489341][ T366] [ 23.489341][ T366] other info that might help us debug this: [ 23.489341][ T366] [ 23.489668][ T366] [ 23.489668][ T366] rcu_scheduler_active = 2, debug_locks = 1 [ 23.489916][ T366] 1 lock held by arping/366: [ 23.490097][ T366] #0: ffffffff99b6f640 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f5/0x18d0 [ 23.490421][ T366] [ 23.490421][ T366] stack backtrace: [ 23.490634][ T366] CPU: 3 UID: 0 PID: 366 Comm: arping Not tainted 6.14.0-rc6-virtme #1 [ 23.490638][ T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.490641][ T366] Call Trace: [ 23.490642][ T366] [ 23.490645][ T366] dump_stack_lvl+0xb0/0xd0 [ 23.490653][ T366] lockdep_rcu_suspicious+0x1ea/0x280 [ 23.490665][ T366] dev_hard_start_xmit+0x2fc/0x3f0 [ 23.490676][ T366] __dev_queue_xmit+0xfaa/0x18d0 [ 23.490680][ T366] ? _copy_from_iter+0x1d2/0x12e0 [ 23.490698][ T366] ? __pfx___dev_queue_xmit+0x10/0x10 [ 23.490703][ T366] ? packet_parse_headers+0x243/0x9d0 [ 23.490714][ T366] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 23.490720][ T366] ? __pfx_packet_parse_headers+0x10/0x10 [ 23.490725][ T366] ? skb_copy_datagram_from_iter+0xe6/0x6e0 [ 23.490732][ T366] ? dev_get_by_index+0xb2/0x190 [ 23.490743][ T366] packet_snd+0xd0d/0x19c0 [ 23.490755][ T366] ? __lock_release+0x103/0x460 [ 23.490758][ T366] ? __might_fault+0x11b/0x170 [ 23.490764][ T366] ? __pfx_packet_snd+0x10/0x10 [ 23.490767][ T366] ? trace_lock_acquire+0x14c/0x1f0 [ 23.490770][ T366] ? __pfx___lock_release+0x10/0x10 [ 23.490776][ T366] ? lock_acquire+0x32/0xc0 [ 23.490782][ T366] ? __might_fault+0x11b/0x170 [ 23.490793][ T366] __sys_sendto+0x3c3/0x450 [ 23.490800][ T366] ? __pfx___sys_sendto+0x10/0x10 [ 23.490812][ T366] ? __lock_release+0x103/0x460 [ 23.490816][ T366] ? __pfx___lock_release+0x10/0x10 [ 23.490825][ T366] ? __pfx___up_read+0x10/0x10 [ 23.490831][ T366] ? do_user_addr_fault+0x374/0xe30 [ 23.490841][ T366] ? do_user_addr_fault+0x374/0xe30 [ 23.490849][ T366] __x64_sys_sendto+0xe0/0x1c0 [ 23.490853][ T366] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 23.490858][ T366] do_syscall_64+0xc1/0x1d0 [ 23.490865][ T366] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 23.490870][ T366] RIP: 0033:0x7ff1f439da4a [ 23.490873][ T366] 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 [ 23.490876][ T366] RSP: 002b:00007ffc8c1550a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 23.490879][ T366] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007ff1f439da4a [ 23.490881][ T366] RDX: 000000000000001c RSI: 00007ffc8c1550c0 RDI: 0000000000000005 [ 23.490883][ T366] RBP: 00007ffc8c155210 R08: 00007ffc8c156670 R09: 0000000000000014 [ 23.490885][ T366] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc8c156948 [ 23.490887][ T366] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007ff1f44a3000 [ 23.490904][ T366] [ 34.203339][ T67] br0: port 1(swp1) entered disabled state [ 34.389296][ T67] swp1 (unregistering): left allmulticast mode [ 34.389745][ T67] swp1 (unregistering): left promiscuous mode [ 34.390079][ T67] br0: port 1(swp1) entered disabled state [ 34.512044][ T67] br0: port 1(swp1) entered disabled state [ 34.687658][ T67] swp1 (unregistering): left allmulticast mode [ 34.687924][ T67] swp1 (unregistering): left promiscuous mode [ 34.688159][ T67] br0: port 1(swp1) entered disabled state [ 34.818970][ T67] vx0: left allmulticast mode [ 34.819275][ T67] vx0: left promiscuous mode [ 34.819615][ T67] br0: port 2(vx0) entered disabled state [ 35.157608][ T67] vx0: left allmulticast mode [ 35.158105][ T67] vx0: left promiscuous mode [ 35.158431][ T67] br0: port 2(vx0) entered disabled state [ 41.299166][ T590] br0: port 1(swp1) entered blocking state [ 41.299553][ T590] br0: port 1(swp1) entered disabled state [ 41.299799][ T590] swp1: entered allmulticast mode [ 41.300999][ T590] swp1: entered promiscuous mode [ 41.551868][ T593] br0: port 2(vx0) entered blocking state [ 41.552170][ T593] br0: port 2(vx0) entered disabled state [ 41.552397][ T593] vx0: entered allmulticast mode [ 41.553631][ T593] vx0: entered promiscuous mode [ 41.554187][ T593] br0: port 2(vx0) entered blocking state [ 41.554634][ T593] br0: port 2(vx0) entered forwarding state [ 42.206745][ T297] br0: port 1(swp1) entered blocking state [ 42.207041][ T297] br0: port 1(swp1) entered forwarding state [ 42.928428][ T610] br0: port 1(swp1) entered blocking state [ 42.928684][ T610] br0: port 1(swp1) entered disabled state [ 42.928919][ T610] swp1: entered allmulticast mode [ 42.930130][ T610] swp1: entered promiscuous mode [ 42.933970][ T56] br0: port 1(swp1) entered blocking state [ 42.934207][ T56] br0: port 1(swp1) entered forwarding state [ 43.164284][ T613] br0: port 2(vx0) entered blocking state [ 43.164614][ T613] br0: port 2(vx0) entered disabled state [ 43.164809][ T613] vx0: entered allmulticast mode [ 43.165983][ T613] vx0: entered promiscuous mode [ 43.166451][ T613] br0: port 2(vx0) entered blocking state [ 43.166644][ T613] br0: port 2(vx0) entered forwarding state [ 66.781452][ T67] br0: port 1(swp1) entered disabled state [ 66.924731][ T67] swp1 (unregistering): left allmulticast mode [ 66.924985][ T67] swp1 (unregistering): left promiscuous mode [ 66.925213][ T67] br0: port 1(swp1) entered disabled state [ 67.079941][ T67] br0: port 1(swp1) entered disabled state [ 67.211818][ T67] swp1 (unregistering): left allmulticast mode [ 67.212125][ T67] swp1 (unregistering): left promiscuous mode [ 67.212361][ T67] br0: port 1(swp1) entered disabled state [ 67.368895][ T67] vx0: left allmulticast mode [ 67.369123][ T67] vx0: left promiscuous mode [ 67.369427][ T67] br0: port 2(vx0) entered disabled state [ 67.707401][ T67] vx0: left allmulticast mode [ 67.707641][ T67] vx0: left promiscuous mode [ 67.707949][ T67] br0: port 2(vx0) entered disabled state [ 73.790445][ T852] br0: port 1(swp1) entered blocking state [ 73.790748][ T852] br0: port 1(swp1) entered disabled state [ 73.791013][ T852] swp1: entered allmulticast mode [ 73.792968][ T852] swp1: entered promiscuous mode [ 74.040205][ T855] br0: port 2(vx0) entered blocking state [ 74.040470][ T855] br0: port 2(vx0) entered disabled state [ 74.040689][ T855] vx0: entered allmulticast mode [ 74.041950][ T855] vx0: entered promiscuous mode [ 74.042827][ T855] br0: port 2(vx0) entered blocking state [ 74.043075][ T855] br0: port 2(vx0) entered forwarding state [ 74.718630][ T828] br0: port 1(swp1) entered blocking state [ 74.718951][ T828] br0: port 1(swp1) entered forwarding state [ 75.380586][ T872] br0: port 1(swp1) entered blocking state [ 75.380871][ T872] br0: port 1(swp1) entered disabled state [ 75.381129][ T872] swp1: entered allmulticast mode [ 75.382351][ T872] swp1: entered promiscuous mode [ 75.385804][ T297] br0: port 1(swp1) entered blocking state [ 75.386050][ T297] br0: port 1(swp1) entered forwarding state [ 75.630397][ T875] br0: port 2(vx0) entered blocking state [ 75.630639][ T875] br0: port 2(vx0) entered disabled state [ 75.630842][ T875] vx0: entered allmulticast mode [ 75.632285][ T875] vx0: entered promiscuous mode [ 75.633292][ T875] br0: port 2(vx0) entered blocking state [ 75.633497][ T875] br0: port 2(vx0) entered forwarding state [ 88.976160][ T67] br0: port 1(swp1) entered disabled state [ 89.071707][ T67] swp1 (unregistering): left allmulticast mode [ 89.071974][ T67] swp1 (unregistering): left promiscuous mode [ 89.072207][ T67] br0: port 1(swp1) entered disabled state [ 89.297834][ T67] br0: port 1(swp1) entered disabled state [ 89.425825][ T67] swp1 (unregistering): left allmulticast mode [ 89.426086][ T67] swp1 (unregistering): left promiscuous mode [ 89.426296][ T67] br0: port 1(swp1) entered disabled state [ 89.584596][ T67] vx0: left allmulticast mode [ 89.584816][ T67] vx0: left promiscuous mode [ 89.585152][ T67] br0: port 2(vx0) entered disabled state [ 89.920490][ T67] vx0: left allmulticast mode [ 89.920726][ T67] vx0: left promiscuous mode [ 89.921025][ T67] br0: port 2(vx0) entered disabled state [ 95.955974][ T1104] br0: port 1(swp1) entered blocking state [ 95.956297][ T1104] br0: port 1(swp1) entered disabled state [ 95.956561][ T1104] swp1: entered allmulticast mode [ 95.957771][ T1104] swp1: entered promiscuous mode [ 96.199732][ T1107] br0: port 2(vx0) entered blocking state [ 96.199973][ T1107] br0: port 2(vx0) entered disabled state [ 96.200189][ T1107] vx0: entered allmulticast mode [ 96.201435][ T1107] vx0: entered promiscuous mode [ 96.201935][ T1107] br0: port 2(vx0) entered blocking state [ 96.202143][ T1107] br0: port 2(vx0) entered forwarding state [ 96.900942][ T46] br0: port 1(swp1) entered blocking state [ 96.901199][ T46] br0: port 1(swp1) entered forwarding state [ 97.561569][ T1124] br0: port 1(swp1) entered blocking state [ 97.561876][ T1124] br0: port 1(swp1) entered disabled state [ 97.562148][ T1124] swp1: entered allmulticast mode [ 97.563370][ T1124] swp1: entered promiscuous mode [ 97.566937][ T46] br0: port 1(swp1) entered blocking state [ 97.567204][ T46] br0: port 1(swp1) entered forwarding state [ 97.811673][ T1127] br0: port 2(vx0) entered blocking state [ 97.811924][ T1127] br0: port 2(vx0) entered disabled state [ 97.812167][ T1127] vx0: entered allmulticast mode [ 97.813397][ T1127] vx0: entered promiscuous mode [ 97.813892][ T1127] br0: port 2(vx0) entered blocking state [ 97.814111][ T1127] br0: port 2(vx0) entered forwarding state [ 110.808800][ T67] br0: port 1(swp1) entered disabled state [ 110.985740][ T67] swp1 (unregistering): left allmulticast mode [ 110.986012][ T67] swp1 (unregistering): left promiscuous mode [ 110.986259][ T67] br0: port 1(swp1) entered disabled state [ 111.124313][ T67] br0: port 1(swp1) entered disabled state [ 111.279164][ T67] swp1 (unregistering): left allmulticast mode [ 111.279443][ T67] swp1 (unregistering): left promiscuous mode [ 111.279680][ T67] br0: port 1(swp1) entered disabled state [ 111.395346][ T67] vx0: left allmulticast mode [ 111.395600][ T67] vx0: left promiscuous mode [ 111.395929][ T67] br0: port 2(vx0) entered disabled state [ 111.783833][ T67] vx0: left allmulticast mode [ 111.784029][ T67] vx0: left promiscuous mode [ 111.784337][ T67] br0: port 2(vx0) entered disabled state