[ 5173.696989][T29754] u32 classifier [ 5173.697225][T29754] input device check on [ 5173.697380][T29754] Actions configured [ 5181.059518][ T30] ip6_tunnel: ip6gretap00 xmit: Local address not yet configured! [ 5186.627573][T12563] ip6_tunnel: ip6erspan00 xmit: Local address not yet configured! [ 5186.749412][ T30] ip6_tunnel: ip6erspan00 xmit: Local address not yet configured! [ 5187.343413][ T30] ip6_tunnel: ip6erspan00 xmit: Local address not yet configured! [ 5188.437867][T29905] test-br0: port 1(test-dummy0) entered blocking state [ 5188.438118][T29905] test-br0: port 1(test-dummy0) entered disabled state [ 5188.438379][T29905] test-dummy0: entered allmulticast mode [ 5188.439643][T29905] test-dummy0: entered promiscuous mode [ 5188.596192][T29909] test-br0: port 1(test-dummy0) entered blocking state [ 5188.596465][T29909] test-br0: port 1(test-dummy0) entered forwarding state [ 5191.492970][T29945] test-dummy0: left allmulticast mode [ 5191.493186][T29945] test-dummy0: left promiscuous mode [ 5191.493507][T29945] test-br0: port 1(test-dummy0) entered disabled state [ 5342.817040][T32172] MACsec IEEE 802.1AE [ 5344.931635][T32175] netdevsim netdevsim0 eni0np1: renamed from eth0 [ 5348.190625][T32236] [ 5348.190786][T32236] ====================================================== [ 5348.190961][T32236] WARNING: possible circular locking dependency detected [ 5348.191120][T32236] 6.12.0-rc5-virtme #1 Not tainted [ 5348.191255][T32236] ------------------------------------------------------ [ 5348.191409][T32236] rmmod/32236 is trying to acquire lock: [ 5348.191536][T32236] ffffffffc07fb7c0 (&ops->srcu){.+.+}-{0:0}, at: __synchronize_srcu+0x21/0x2b0 [ 5348.191787][T32236] [ 5348.191787][T32236] but task is already holding lock: [ 5348.191982][T32236] ffffffffbb3f8e08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_link_unregister+0x10c/0x1c0 [ 5348.192215][T32236] [ 5348.192215][T32236] which lock already depends on the new lock. [ 5348.192215][T32236] [ 5348.192460][T32236] [ 5348.192460][T32236] the existing dependency chain (in reverse order) is: [ 5348.192681][T32236] [ 5348.192681][T32236] -> #1 (rtnl_mutex){+.+.}-{3:3}: [ 5348.192876][T32236] __lock_acquire+0xb3f/0x1580 [ 5348.193009][T32236] lock_acquire.part.0+0xeb/0x330 [ 5348.193138][T32236] __mutex_lock+0x149/0xac0 [ 5348.193268][T32236] rtnl_newlink+0x64f/0xa20 [ 5348.193396][T32236] rtnetlink_rcv_msg+0x712/0xc10 [ 5348.193521][T32236] netlink_rcv_skb+0x130/0x360 [ 5348.193647][T32236] netlink_unicast+0x44b/0x710 [ 5348.193776][T32236] netlink_sendmsg+0x723/0xbe0 [ 5348.193900][T32236] ____sys_sendmsg+0x7ac/0xa10 [ 5348.194026][T32236] ___sys_sendmsg+0xee/0x170 [ 5348.194150][T32236] __sys_sendmsg+0xcd/0x170 [ 5348.194273][T32236] do_syscall_64+0xc1/0x1d0 [ 5348.194400][T32236] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5348.194558][T32236] [ 5348.194558][T32236] -> #0 (&ops->srcu){.+.+}-{0:0}: [ 5348.194748][T32236] check_prev_add+0x182/0xce0 [ 5348.194876][T32236] validate_chain+0x71d/0x9b0 [ 5348.195000][T32236] __lock_acquire+0xb3f/0x1580 [ 5348.195124][T32236] lock_sync+0xd7/0x180 [ 5348.195249][T32236] __synchronize_srcu+0x9e/0x2b0 [ 5348.195373][T32236] __rtnl_link_unregister+0x14a/0x380 [ 5348.195529][T32236] rtnl_link_unregister+0x14c/0x1c0 [ 5348.195655][T32236] nsim_module_exit+0x10/0x1a [netdevsim] [ 5348.195824][T32236] __do_sys_delete_module+0x2bd/0x470 [ 5348.195980][T32236] do_syscall_64+0xc1/0x1d0 [ 5348.196105][T32236] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5348.196261][T32236] [ 5348.196261][T32236] other info that might help us debug this: [ 5348.196261][T32236] [ 5348.196502][T32236] Possible unsafe locking scenario: [ 5348.196502][T32236] [ 5348.196684][T32236] CPU0 CPU1 [ 5348.196812][T32236] ---- ---- [ 5348.196936][T32236] lock(rtnl_mutex); [ 5348.197035][T32236] lock(&ops->srcu); [ 5348.197190][T32236] lock(rtnl_mutex); [ 5348.197346][T32236] sync(&ops->srcu); [ 5348.197442][T32236] [ 5348.197442][T32236] *** DEADLOCK *** [ 5348.197442][T32236] [ 5348.197627][T32236] 2 locks held by rmmod/32236: [ 5348.197752][T32236] #0: ffffffffbb3dcc10 (pernet_ops_rwsem){++++}-{3:3}, at: rtnl_link_unregister+0xa6/0x1c0 [ 5348.198005][T32236] #1: ffffffffbb3f8e08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_link_unregister+0x10c/0x1c0 [ 5348.198225][T32236] [ 5348.198225][T32236] stack backtrace: [ 5348.198379][T32236] CPU: 1 UID: 0 PID: 32236 Comm: rmmod Not tainted 6.12.0-rc5-virtme #1 [ 5348.198572][T32236] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5348.198850][T32236] Call Trace: [ 5348.198949][T32236] [ 5348.199015][T32236] dump_stack_lvl+0x82/0xd0 [ 5348.199150][T32236] print_circular_bug+0x2e2/0x4b0 [ 5348.199276][T32236] check_noncircular+0x2f9/0x3e0 [ 5348.199401][T32236] ? __pfx_check_noncircular+0x10/0x10 [ 5348.199527][T32236] ? __kernel_text_address+0x12/0x40 [ 5348.199657][T32236] ? unwind_get_return_address+0x5e/0xa0 [ 5348.199789][T32236] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 5348.199945][T32236] ? arch_stack_walk+0xa2/0xf0 [ 5348.200075][T32236] ? alloc_chain_hlocks+0x4e0/0x720 [ 5348.200199][T32236] check_prev_add+0x182/0xce0 [ 5348.200327][T32236] ? __pfx_stack_trace_save+0x10/0x10 [ 5348.200454][T32236] validate_chain+0x71d/0x9b0 [ 5348.200581][T32236] ? __pfx_validate_chain+0x10/0x10 [ 5348.200708][T32236] ? mark_lock+0x335/0x3e0 [ 5348.200836][T32236] ? __pfx_validate_chain+0x10/0x10 [ 5348.200962][T32236] __lock_acquire+0xb3f/0x1580 [ 5348.201091][T32236] lock_sync+0xd7/0x180 [ 5348.201187][T32236] ? __synchronize_srcu+0x21/0x2b0 [ 5348.201313][T32236] ? mark_held_locks+0x9e/0xe0 [ 5348.201450][T32236] __synchronize_srcu+0x9e/0x2b0 [ 5348.201576][T32236] ? __pfx___synchronize_srcu+0x10/0x10 [ 5348.201705][T32236] ? kvm_clock_get_cycles+0x18/0x30 [ 5348.201839][T32236] ? ktime_get_mono_fast_ns+0x84/0x360 [ 5348.201970][T32236] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 5348.202126][T32236] ? _raw_spin_unlock_irqrestore+0x43/0x70 [ 5348.202283][T32236] __rtnl_link_unregister+0x14a/0x380 [ 5348.202410][T32236] ? mark_lock+0x38/0x3e0 [ 5348.202506][T32236] ? __pfx___rtnl_link_unregister+0x10/0x10 [ 5348.202666][T32236] ? mark_held_locks+0x9e/0xe0 [ 5348.202792][T32236] rtnl_link_unregister+0x14c/0x1c0 [ 5348.202917][T32236] ? __pfx_rtnl_link_unregister+0x10/0x10 [ 5348.203043][T32236] ? __pfx_woken_wake_function+0x10/0x10 [ 5348.203174][T32236] nsim_module_exit+0x10/0x1a [netdevsim] [ 5348.203311][T32236] __do_sys_delete_module+0x2bd/0x470 [ 5348.203435][T32236] ? __pfx___do_sys_delete_module+0x10/0x10 [ 5348.203596][T32236] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 5348.203759][T32236] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 5348.203916][T32236] ? trace_rcu_segcb_stats+0x37/0x1e0 [ 5348.204045][T32236] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 5348.204198][T32236] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 5348.204353][T32236] do_syscall_64+0xc1/0x1d0 [ 5348.204477][T32236] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 5348.204633][T32236] RIP: 0033:0x7fd4bfbe85ab [ 5348.204770][T32236] Code: 73 01 c3 48 8b 0d 55 98 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 25 98 1b 00 f7 d8 64 89 01 48 [ 5348.205210][T32236] RSP: 002b:00007ffea0abddf8 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 [ 5348.205402][T32236] RAX: ffffffffffffffda RBX: 0000560aa3da7780 RCX: 00007fd4bfbe85ab [ 5348.205592][T32236] RDX: 000000000000000a RSI: 0000000000000800 RDI: 0000560aa3da77e8 [ 5348.205782][T32236] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 5348.205968][T32236] R10: 00007fd4bfd47ac0 R11: 0000000000000206 R12: 00007ffea0abe050 [ 5348.206153][T32236] R13: 00007ffea0abea11 R14: 0000560aa3da62a0 R15: 0000560aa3da7780 [ 5348.206346][T32236] [ 5352.055595][T32316] netdevsim netdevsim0 eni0np1: renamed from eth0 [ 5356.901910][T32361] test-br0: port 1(vxlan10) entered blocking state [ 5356.902105][T32361] test-br0: port 1(vxlan10) entered disabled state [ 5356.902413][T32361] vxlan10: entered allmulticast mode [ 5356.903325][T32361] vxlan10: entered promiscuous mode [ 5357.708985][ T11] vxlan10: left allmulticast mode [ 5357.709151][ T11] vxlan10: left promiscuous mode [ 5357.709415][ T11] test-br0: port 1(vxlan10) entered disabled state [ 5359.026601][T32391] test-br0: port 1(dummy1) entered blocking state [ 5359.026877][T32391] test-br0: port 1(dummy1) entered disabled state [ 5359.027083][T32391] dummy1: entered allmulticast mode [ 5359.028034][T32391] dummy1: entered promiscuous mode [ 5359.864725][ T11] dummy1: left allmulticast mode [ 5359.864890][ T11] dummy1: left promiscuous mode [ 5359.865121][ T11] test-br0: port 1(dummy1) entered disabled state [ 5361.917003][T32437] netdevsim netdevsim20 eni20np1: renamed from eth1 [ 5362.018680][T32439] netdevsim netdevsim10 eni10np1: renamed from eth0 [ 5362.949197][T32451] test-bond0: (slave eni10np1): Enslaving as a backup interface with an up link [ 5363.085910][T32454] test-bond0: (slave eni20np1): Enslaving as a backup interface with an up link [ 5363.366428][T32467] test-br0: port 1(test-bond0) entered blocking state [ 5363.366637][T32467] test-br0: port 1(test-bond0) entered disabled state [ 5363.366853][T32467] test-bond0: entered allmulticast mode [ 5363.367000][T32467] netdevsim netdevsim10 eni10np1: entered allmulticast mode [ 5363.367927][T32467] netdevsim netdevsim20 eni20np1: entered allmulticast mode [ 5363.369213][T32467] test-bond0: entered promiscuous mode [ 5363.369363][T32467] netdevsim netdevsim10 eni10np1: entered promiscuous mode [ 5363.369705][T32467] netdevsim netdevsim20 eni20np1: entered promiscuous mode [ 5363.491802][T32469] test-bond0: left allmulticast mode [ 5363.491959][T32469] netdevsim netdevsim10 eni10np1: left allmulticast mode [ 5363.492138][T32469] netdevsim netdevsim20 eni20np1: left allmulticast mode [ 5363.492501][T32469] test-bond0: left promiscuous mode [ 5363.492629][T32469] netdevsim netdevsim10 eni10np1: left promiscuous mode [ 5363.492922][T32469] netdevsim netdevsim20 eni20np1: left promiscuous mode [ 5363.493312][T32469] test-br0: port 1(test-bond0) entered disabled state [ 5363.651664][T32470] test-bond0 (unregistering): (slave eni10np1): Releasing backup interface [ 5363.670132][T32470] test-bond0 (unregistering): (slave eni20np1): Releasing backup interface [ 5363.689098][T32470] test-bond0 (unregistering): Released all slaves [ 5369.220774][T32549] bond123: (slave test-dummy0): Enslaving as an active interface with an up link [ 5369.360478][ T11] bond123 (unregistering): (slave test-dummy0): Releasing backup interface [ 5369.372810][ T11] bond123 (unregistering): Released all slaves