[ 23.557304][ T235] ip (235) used greatest stack depth: 23744 bytes left [ 26.739987][ T281] 8021q: 802.1Q VLAN Support v1.8 [ 31.753677][ T328] gre: GRE over IPv4 demultiplexor driver [ 31.773181][ T328] ip_gre: GRE over IPv4 tunneling driver [ 33.154194][ T346] lag: Mode changed to "loadbalance" [ 33.439200][ T349] lag: Port device veth2 added [ 33.834246][ T352] lag: Port device veth4 added [ 34.100808][ T354] 8021q: adding VLAN 0 to HW filter on device lag [ 34.234068][ T355] br1: port 1(lag) entered blocking state [ 34.234554][ T355] br1: port 1(lag) entered disabled state [ 34.236790][ T355] lag: entered allmulticast mode [ 34.237109][ T355] veth2: entered allmulticast mode [ 34.237509][ T355] veth4: entered allmulticast mode [ 34.241071][ T355] veth2: entered promiscuous mode [ 34.241368][ T355] veth4: entered promiscuous mode [ 34.360897][ T356] br1: port 1(lag) entered blocking state [ 34.361313][ T356] br1: port 1(lag) entered forwarding state [ 35.358950][ T365] GACT probability NOT on [ 35.506098][ C3] [ 35.506219][ C3] ======================================================== [ 35.506498][ C3] WARNING: possible irq lock inversion dependency detected [ 35.506751][ C3] 6.9.0-rc1-virtme #1 Not tainted [ 35.506913][ C3] -------------------------------------------------------- [ 35.507152][ C3] mirror_gre_brid/226 just changed the state of lock: [ 35.507359][ C3] ffff888005286d80 (&ndev->lock){++-.}-{2:2}, at: addrconf_rs_timer+0xa9/0x730 [ 35.507684][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 35.507927][ C3] (&p->alloc_lock){+.+.}-{2:2} [ 35.507931][ C3] [ 35.507931][ C3] [ 35.507931][ C3] and interrupts could create inverse lock ordering between them. [ 35.507931][ C3] [ 35.508549][ C3] [ 35.508549][ C3] other info that might help us debug this: [ 35.508786][ C3] Possible interrupt unsafe locking scenario: [ 35.508786][ C3] [ 35.509027][ C3] CPU0 CPU1 [ 35.509196][ C3] ---- ---- [ 35.509363][ C3] lock(&p->alloc_lock); [ 35.509501][ C3] local_irq_disable(); [ 35.509703][ C3] lock(&ndev->lock); [ 35.509926][ C3] lock(&p->alloc_lock); [ 35.510130][ C3] [ 35.510267][ C3] lock(&ndev->lock); [ 35.510392][ C3] [ 35.510392][ C3] *** DEADLOCK *** [ 35.510392][ C3] [ 35.510687][ C3] 4 locks held by mirror_gre_brid/226: [ 35.510865][ C3] #0: ffffffff8628aef0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap+0xbc/0x1820 [ 35.511170][ C3] #1: ffff888005aacbe0 (&mm->mmap_lock){++++}-{3:3}, at: dup_mmap+0xd6/0x1820 [ 35.511482][ C3] #2: ffff888005aaf0e0 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap+0x10e/0x1820 [ 35.511791][ C3] #3: ffffc90000288d68 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 35.512099][ C3] [ 35.512099][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 35.512390][ C3] -> (&p->alloc_lock){+.+.}-{2:2} { [ 35.512585][ C3] HARDIRQ-ON-W at: [ 35.512710][ C3] __lock_acquire+0x797/0x1570 [ 35.512929][ C3] lock_acquire.part.0+0xeb/0x330 [ 35.513134][ C3] _raw_spin_lock+0x30/0x40 [ 35.513359][ C3] set_mems_allowed+0x1d/0x210 [ 35.513584][ C3] kernel_init_freeable+0x72/0x310 [ 35.513802][ C3] kernel_init+0x20/0x200 [ 35.514006][ C3] ret_from_fork+0x31/0x70 [ 35.514223][ C3] ret_from_fork_asm+0x1a/0x30 [ 35.514441][ C3] SOFTIRQ-ON-W at: [ 35.514596][ C3] __lock_acquire+0x797/0x1570 [ 35.514818][ C3] lock_acquire.part.0+0xeb/0x330 [ 35.515025][ C3] _raw_spin_lock+0x30/0x40 [ 35.515239][ C3] set_mems_allowed+0x1d/0x210 [ 35.515442][ C3] kernel_init_freeable+0x72/0x310 [ 35.515663][ C3] kernel_init+0x20/0x200 [ 35.515877][ C3] ret_from_fork+0x31/0x70 [ 35.516085][ C3] ret_from_fork_asm+0x1a/0x30 [ 35.516291][ C3] INITIAL USE at: [ 35.516416][ C3] __lock_acquire+0x797/0x1570 [ 35.516634][ C3] lock_acquire.part.0+0xeb/0x330 [ 35.516840][ C3] _raw_spin_lock+0x30/0x40 [ 35.517050][ C3] set_mems_allowed+0x1d/0x210 [ 35.517267][ C3] kernel_init_freeable+0x72/0x310 [ 35.517501][ C3] kernel_init+0x20/0x200 [ 35.517705][ C3] ret_from_fork+0x31/0x70 [ 35.517913][ C3] ret_from_fork_asm+0x1a/0x30 [ 35.518120][ C3] } [ 35.518206][ C3] ... key at: [] __key.387+0x0/0x40 [ 35.518467][ C3] ... acquired at: [ 35.518606][ C3] __lock_acquire+0xaf0/0x1570 [ 35.518776][ C3] lock_acquire.part.0+0xeb/0x330 [ 35.518957][ C3] _raw_spin_lock+0x30/0x40 [ 35.519123][ C3] __get_task_comm+0x27/0x70 [ 35.519298][ C3] ref_tracker_alloc+0x2ee/0x490 [ 35.519476][ C3] netdev_get_by_index+0x5e/0x80 [ 35.519648][ C3] fib6_nh_init+0x3d8/0x15b0 [ 35.519814][ C3] ip6_route_info_create+0xf18/0x17d0 [ 35.519993][ C3] addrconf_f6i_alloc+0x265/0x560 [ 35.520158][ C3] __ipv6_dev_ac_inc+0x25f/0xb10 [ 35.520336][ C3] addrconf_join_anycast+0x1c0/0x220 [ 35.520515][ C3] dev_forward_change+0x2a6/0x7b0 [ 35.520710][ C3] addrconf_fixup_forwarding+0x23f/0x460 [ 35.520916][ C3] addrconf_sysctl_forward+0x212/0x2b0 [ 35.521098][ C3] proc_sys_call_handler+0x403/0x5e0 [ 35.521266][ C3] vfs_write+0x9e5/0x10a0 [ 35.521443][ C3] ksys_write+0xf5/0x1e0 [ 35.521624][ C3] do_syscall_64+0xc6/0x1e0 [ 35.521804][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 35.522029][ C3] [ 35.522113][ C3] -> (&ndev->lock){++-.}-{2:2} { [ 35.522298][ C3] HARDIRQ-ON-W at: [ 35.522426][ C3] __lock_acquire+0x797/0x1570 [ 35.522664][ C3] lock_acquire.part.0+0xeb/0x330 [ 35.522889][ C3] _raw_write_lock_bh+0x38/0x50 [ 35.523107][ C3] addrconf_permanent_addr+0x6e/0x670 [ 35.523311][ C3] addrconf_notify+0x749/0xd60 [ 35.523586][ C3] notifier_call_chain+0xcd/0x150 [ 35.523789][ C3] __dev_notify_flags+0xe6/0x250 [ 35.524007][ C3] dev_change_flags+0xec/0x160 [ 35.524208][ C3] do_setlink+0x7d6/0x21e0 [ 35.524426][ C3] __rtnl_newlink+0xaa7/0xd80 [ 35.524647][ C3] rtnl_newlink+0x63/0xa0 [ 35.524869][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 35.525088][ C3] netlink_rcv_skb+0x130/0x360 [ 35.525292][ C3] netlink_unicast+0x449/0x710 [ 35.525525][ C3] netlink_sendmsg+0x723/0xbe0 [ 35.525753][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 35.525953][ C3] ___sys_sendmsg+0xee/0x170 [ 35.526174][ C3] __sys_sendmsg+0xcd/0x170 [ 35.526374][ C3] do_syscall_64+0xc6/0x1e0 [ 35.526597][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 35.526844][ C3] HARDIRQ-ON-R at: [ 35.526969][ C3] __lock_acquire+0x797/0x1570 [ 35.527170][ C3] lock_acquire.part.0+0xeb/0x330 [ 35.527370][ C3] _raw_read_lock_bh+0x44/0x80 [ 35.527614][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 35.527825][ C3] inet6_fill_link_af+0x5e/0xe0 [ 35.528026][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 35.528233][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 35.528435][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 35.528686][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 35.528897][ C3] register_netdevice+0x1177/0x1690 [ 35.529100][ C3] register_netdev+0x20/0x40 [ 35.529299][ C3] sit_init_net+0x250/0x4f0 [ 35.529515][ C3] ops_init+0x9b/0x560 [ 35.529679][ C3] register_pernet_operations+0x2db/0x710 [ 35.529927][ C3] register_pernet_device+0x2a/0x60 [ 35.530130][ C3] sit_init+0x23/0xe0 [ 35.530295][ C3] do_one_initcall+0x8d/0x1e0 [ 35.530524][ C3] do_initcalls+0x1b2/0x3e0 [ 35.530734][ C3] kernel_init_freeable+0x232/0x310 [ 35.530945][ C3] kernel_init+0x20/0x200 [ 35.531150][ C3] ret_from_fork+0x31/0x70 [ 35.531351][ C3] ret_from_fork_asm+0x1a/0x30 [ 35.531595][ C3] IN-SOFTIRQ-W at: [ 35.531717][ C3] __lock_acquire+0x797/0x1570 [ 35.531928][ C3] lock_acquire.part.0+0xeb/0x330 [ 35.532134][ C3] _raw_write_lock+0x30/0x40 [ 35.532336][ C3] addrconf_rs_timer+0xa9/0x730 [ 35.532538][ C3] call_timer_fn+0x13b/0x230 [ 35.532745][ C3] __run_timers+0x545/0x810 [ 35.532950][ C3] run_timer_softirq+0xe8/0x1b0 [ 35.533151][ C3] __do_softirq+0x1f8/0x5df [ 35.533352][ C3] irq_exit_rcu+0x97/0xc0 [ 35.533554][ C3] sysvec_apic_timer_interrupt+0x75/0x80 [ 35.533810][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 35.534071][ C3] _raw_spin_unlock_irqrestore+0x43/0x70 [ 35.534329][ C3] get_partial_node.part.0+0x1c5/0x3a0 [ 35.534563][ C3] ___slab_alloc+0xb70/0x10a0 [ 35.534783][ C3] kmem_cache_alloc+0x243/0x270 [ 35.535003][ C3] __alloc_object+0x39/0x6f0 [ 35.535213][ C3] __create_object+0x22/0xb0 [ 35.535433][ C3] kmem_cache_alloc+0x208/0x270 [ 35.535747][ C3] vm_area_dup+0x4d/0x150 [ 35.535967][ C3] dup_mmap+0x6f5/0x1820 [ 35.536184][ C3] copy_mm+0x23c/0x590 [ 35.536448][ C3] copy_process+0x1ab2/0x51d0 [ 35.536664][ C3] kernel_clone+0xc2/0x510 [ 35.536877][ C3] __do_sys_clone+0xa1/0xe0 [ 35.537078][ C3] do_syscall_64+0xc6/0x1e0 [ 35.537389][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 35.537666][ C3] INITIAL USE at: [ 35.537788][ C3] __lock_acquire+0x797/0x1570 [ 35.538140][ C3] lock_acquire.part.0+0xeb/0x330 [ 35.538361][ C3] _raw_write_lock_bh+0x38/0x50 [ 35.538600][ C3] addrconf_permanent_addr+0x6e/0x670 [ 35.538824][ C3] addrconf_notify+0x749/0xd60 [ 35.539030][ C3] notifier_call_chain+0xcd/0x150 [ 35.539249][ C3] __dev_notify_flags+0xe6/0x250 [ 35.539468][ C3] dev_change_flags+0xec/0x160 [ 35.539688][ C3] do_setlink+0x7d6/0x21e0 [ 35.539894][ C3] __rtnl_newlink+0xaa7/0xd80 [ 35.540098][ C3] rtnl_newlink+0x63/0xa0 [ 35.540303][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 35.540527][ C3] netlink_rcv_skb+0x130/0x360 [ 35.540734][ C3] netlink_unicast+0x449/0x710 [ 35.540958][ C3] netlink_sendmsg+0x723/0xbe0 [ 35.541360][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 35.541581][ C3] ___sys_sendmsg+0xee/0x170 [ 35.541799][ C3] __sys_sendmsg+0xcd/0x170 [ 35.542135][ C3] do_syscall_64+0xc6/0x1e0 [ 35.542355][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 35.542626][ C3] INITIAL READ USE at: [ 35.542764][ C3] __lock_acquire+0x797/0x1570 [ 35.542971][ C3] lock_acquire.part.0+0xeb/0x330 [ 35.543191][ C3] _raw_read_lock_bh+0x44/0x80 [ 35.543410][ C3] inet6_fill_ifla6_attrs+0x516/0x740 [ 35.543699][ C3] inet6_fill_link_af+0x5e/0xe0 [ 35.543904][ C3] rtnl_fill_ifinfo+0x1612/0x29e0 [ 35.544113][ C3] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 35.544388][ C3] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 35.544660][ C3] rtmsg_ifinfo+0x5b/0xa0 [ 35.544897][ C3] register_netdevice+0x1177/0x1690 [ 35.545253][ C3] register_netdev+0x20/0x40 [ 35.545475][ C3] sit_init_net+0x250/0x4f0 [ 35.545719][ C3] ops_init+0x9b/0x560 [ 35.545953][ C3] register_pernet_operations+0x2db/0x710 [ 35.546333][ C3] register_pernet_device+0x2a/0x60 [ 35.546627][ C3] sit_init+0x23/0xe0 [ 35.546855][ C3] do_one_initcall+0x8d/0x1e0 [ 35.547087][ C3] do_initcalls+0x1b2/0x3e0 [ 35.547313][ C3] kernel_init_freeable+0x232/0x310 [ 35.547625][ C3] kernel_init+0x20/0x200 [ 35.547845][ C3] ret_from_fork+0x31/0x70 [ 35.548067][ C3] ret_from_fork_asm+0x1a/0x30 [ 35.548291][ C3] } [ 35.548390][ C3] ... key at: [] __key.37+0x0/0x40 [ 35.548674][ C3] ... acquired at: [ 35.548818][ C3] mark_lock+0x28d/0x3e0 [ 35.548998][ C3] mark_usage+0xd9/0x2a0 [ 35.549187][ C3] __lock_acquire+0x797/0x1570 [ 35.549472][ C3] lock_acquire.part.0+0xeb/0x330 [ 35.549652][ C3] _raw_write_lock+0x30/0x40 [ 35.549829][ C3] addrconf_rs_timer+0xa9/0x730 [ 35.550004][ C3] call_timer_fn+0x13b/0x230 [ 35.550285][ C3] __run_timers+0x545/0x810 [ 35.550476][ C3] run_timer_softirq+0xe8/0x1b0 [ 35.550699][ C3] __do_softirq+0x1f8/0x5df [ 35.550875][ C3] irq_exit_rcu+0x97/0xc0 [ 35.551051][ C3] sysvec_apic_timer_interrupt+0x75/0x80 [ 35.551360][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 35.551617][ C3] _raw_spin_unlock_irqrestore+0x43/0x70 [ 35.551834][ C3] get_partial_node.part.0+0x1c5/0x3a0 [ 35.552123][ C3] ___slab_alloc+0xb70/0x10a0 [ 35.552305][ C3] kmem_cache_alloc+0x243/0x270 [ 35.552487][ C3] __alloc_object+0x39/0x6f0 [ 35.552663][ C3] __create_object+0x22/0xb0 [ 35.552840][ C3] kmem_cache_alloc+0x208/0x270 [ 35.553016][ C3] vm_area_dup+0x4d/0x150 [ 35.553195][ C3] dup_mmap+0x6f5/0x1820 [ 35.553358][ C3] copy_mm+0x23c/0x590 [ 35.553491][ C3] copy_process+0x1ab2/0x51d0 [ 35.553656][ C3] kernel_clone+0xc2/0x510 [ 35.553823][ C3] __do_sys_clone+0xa1/0xe0 [ 35.553989][ C3] do_syscall_64+0xc6/0x1e0 [ 35.554152][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 35.554454][ C3] [ 35.554553][ C3] [ 35.554553][ C3] stack backtrace: [ 35.554760][ C3] CPU: 3 PID: 226 Comm: mirror_gre_brid Not tainted 6.9.0-rc1-virtme #1 [ 35.555014][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.555480][ C3] Call Trace: [ 35.555623][ C3] [ 35.555707][ C3] dump_stack_lvl+0x82/0xd0 [ 35.555872][ C3] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 35.556170][ C3] ? kernel_text_address+0xce/0xe0 [ 35.556337][ C3] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 35.556551][ C3] ? __pfx_usage_skip+0x10/0x10 [ 35.556721][ C3] ? __pfx_usage_match+0x10/0x10 [ 35.556886][ C3] ? arch_stack_walk+0xa2/0xf0 [ 35.557047][ C3] mark_lock_irq+0x4cd/0xa10 [ 35.557209][ C3] ? __pfx_mark_lock_irq+0x10/0x10 [ 35.557387][ C3] ? __pfx_stack_trace_save+0x10/0x10 [ 35.557561][ C3] ? save_trace+0x8f/0x5b0 [ 35.557748][ C3] mark_lock+0x28d/0x3e0 [ 35.557871][ C3] ? __pfx_stack_trace_save+0x10/0x10 [ 35.558043][ C3] mark_usage+0xd9/0x2a0 [ 35.558172][ C3] __lock_acquire+0x797/0x1570 [ 35.558348][ C3] ? __pfx_validate_chain+0x10/0x10 [ 35.558520][ C3] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 35.558702][ C3] lock_acquire.part.0+0xeb/0x330 [ 35.558866][ C3] ? addrconf_rs_timer+0xa9/0x730 [ 35.559138][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 35.559318][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 35.559502][ C3] ? addrconf_rs_timer+0xa9/0x730 [ 35.559678][ C3] ? lock_acquire+0x32/0xc0 [ 35.559845][ C3] ? addrconf_rs_timer+0xa9/0x730 [ 35.560012][ C3] _raw_write_lock+0x30/0x40 [ 35.560175][ C3] ? addrconf_rs_timer+0xa9/0x730 [ 35.560336][ C3] addrconf_rs_timer+0xa9/0x730 [ 35.560517][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 35.560701][ C3] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 35.560864][ C3] ? call_timer_fn+0xe8/0x230 [ 35.561030][ C3] ? lock_acquire+0x32/0xc0 [ 35.561218][ C3] ? call_timer_fn+0xe8/0x230 [ 35.561378][ C3] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 35.561555][ C3] call_timer_fn+0x13b/0x230 [ 35.561727][ C3] ? call_timer_fn+0xe8/0x230 [ 35.561889][ C3] ? call_timer_fn+0xe8/0x230 [ 35.562157][ C3] ? __pfx_call_timer_fn+0x10/0x10 [ 35.562321][ C3] ? hlock_class+0x4e/0x130 [ 35.562494][ C3] ? mark_held_locks+0x9e/0xe0 [ 35.562678][ C3] __run_timers+0x545/0x810 [ 35.562849][ C3] ? __pfx_addrconf_rs_timer+0x10/0x10 [ 35.563025][ C3] ? __pfx___run_timers+0x10/0x10 [ 35.563190][ C3] ? do_raw_spin_lock+0x131/0x270 [ 35.563355][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 35.563543][ C3] ? lock_acquire+0x32/0xc0 [ 35.563710][ C3] ? run_timer_softirq+0xe0/0x1b0 [ 35.563892][ C3] run_timer_softirq+0xe8/0x1b0 [ 35.564060][ C3] __do_softirq+0x1f8/0x5df [ 35.564342][ C3] irq_exit_rcu+0x97/0xc0 [ 35.564475][ C3] sysvec_apic_timer_interrupt+0x75/0x80 [ 35.564667][ C3] [ 35.564750][ C3] [ 35.564832][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 35.565045][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 35.565349][ C3] Code: 10 e8 21 49 9b fd 48 89 ef e8 59 b9 9b fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 05 bf 0f 7b <74> 0e 5b 5d c3 cc cc cc cc e8 4f b3 be fd eb dc 0f 1f 44 00 00 5b [ 35.566064][ C3] RSP: 0018:ffffc90000a9f7a0 EFLAGS: 00000282 [ 35.566284][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1028178 [ 35.566537][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84f40911 [ 35.566805][ C3] RBP: ffff88800104f440 R08: 0000000000000001 R09: fffffbfff10238af [ 35.567062][ C3] R10: ffffffff8811c57f R11: 0000000000000008 R12: ffff88800104f440 [ 35.567309][ C3] R13: ffffea00001f9880 R14: ffff88800104de40 R15: ffff888007e63cc8 [ 35.567594][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 35.567799][ C3] get_partial_node.part.0+0x1c5/0x3a0 [ 35.567967][ C3] ___slab_alloc+0xb70/0x10a0 [ 35.568140][ C3] ? kmem_cache_alloc+0x42/0x270 [ 35.568395][ C3] ? __alloc_object+0x39/0x6f0 [ 35.568599][ C3] ? __pfx___lock_release+0x10/0x10 [ 35.568764][ C3] ? __alloc_object+0x39/0x6f0 [ 35.568935][ C3] ? kmem_cache_alloc+0x243/0x270 [ 35.569195][ C3] kmem_cache_alloc+0x243/0x270 [ 35.569361][ C3] __alloc_object+0x39/0x6f0 [ 35.569542][ C3] __create_object+0x22/0xb0 [ 35.569704][ C3] kmem_cache_alloc+0x208/0x270 [ 35.569968][ C3] vm_area_dup+0x4d/0x150 [ 35.570092][ C3] dup_mmap+0x6f5/0x1820 [ 35.570229][ C3] ? __pfx_dup_mmap+0x10/0x10 [ 35.570405][ C3] ? mm_init.constprop.0.isra.0+0x862/0xcb0 [ 35.570616][ C3] ? __raw_spin_lock_init+0x3f/0x110 [ 35.570893][ C3] copy_mm+0x23c/0x590 [ 35.571016][ C3] copy_process+0x1ab2/0x51d0 [ 35.571282][ C3] ? __lock_release+0x103/0x460 [ 35.571475][ C3] ? __pfx_copy_process+0x10/0x10 [ 35.571746][ C3] ? hlock_class+0x4e/0x130 [ 35.571923][ C3] ? mark_lock+0x38/0x3e0 [ 35.572053][ C3] ? __lock_acquire+0xaf0/0x1570 [ 35.572216][ C3] ? usage_skip+0x182/0x190 [ 35.572392][ C3] kernel_clone+0xc2/0x510 [ 35.572687][ C3] ? do_user_addr_fault+0x449/0xbe0 [ 35.572848][ C3] ? __pfx_kernel_clone+0x10/0x10 [ 35.573015][ C3] ? find_held_lock+0x2c/0x110 [ 35.573192][ C3] ? __lock_release+0x103/0x460 [ 35.573446][ C3] __do_sys_clone+0xa1/0xe0 [ 35.573636][ C3] ? __pfx___do_sys_clone+0x10/0x10 [ 35.573801][ C3] ? __pfx___up_read+0x10/0x10 [ 35.573979][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 35.574276][ C3] do_syscall_64+0xc6/0x1e0 [ 35.574439][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 35.574649][ C3] RIP: 0033:0x7f12def55a17 [ 35.574816][ C3] Code: 00 00 00 f3 0f 1e fa 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 39 41 89 c0 85 c0 75 2a 64 48 8b 04 25 10 00 [ 35.575514][ C3] RSP: 002b:00007fff9990deb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 35.575762][ C3] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f12def55a17 [ 35.576001][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 35.576252][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000558fe2107562 [ 35.576551][ C3] R10: 00007f12dee3aa10 R11: 0000000000000246 R12: 0000000000000000 [ 35.576815][ C3] R13: 00007fff9990dff0 R14: 0000558fcf5bdf27 R15: 0000558fe2107560 [ 35.577080][ C3] [ 42.604803][ T394] Mirror/redirect action on [ 57.513279][ T7] br1: port 1(lag) entered disabled state [ 63.535295][ T7] br1: port 1(lag) entered blocking state [ 63.535555][ T7] br1: port 1(lag) entered forwarding state [ 78.779971][ T62] br1: port 1(lag) entered disabled state [ 84.849219][ T62] br1: port 1(lag) entered blocking state [ 84.849417][ T62] br1: port 1(lag) entered forwarding state [ 85.942029][ T488] lag: left allmulticast mode [ 85.942238][ T488] veth2: left allmulticast mode [ 85.942396][ T488] veth4: left allmulticast mode [ 85.942579][ T488] veth2: left promiscuous mode [ 85.942745][ T488] veth4: left promiscuous mode [ 85.942897][ T488] br1: port 1(lag) entered disabled state [ 86.073599][ T346] lag: Port device veth4 removed [ 86.076055][ T346] lag: Port device veth2 removed