[ 31.729920][ T615] 8021q: 802.1Q VLAN Support v1.8 [ 31.880437][ T621] gre: GRE over IPv4 demultiplexer driver [ 31.889074][ T621] ip_gre: GRE over IPv4 tunneling driver [ 31.997242][ T627] [ 31.997316][ T627] ======================================================== [ 31.997455][ T627] WARNING: possible irq lock inversion dependency detected [ 31.997580][ T627] 7.1.0-rc5-virtme #1 Not tainted [ 31.997666][ T627] -------------------------------------------------------- [ 31.997794][ T627] ip/627 just changed the state of lock: [ 31.997879][ T627] ffffffffaa57e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 31.998039][ T627] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 31.998167][ T627] (&ndev->lock){++--}-{3:3} [ 31.998170][ T627] [ 31.998170][ T627] [ 31.998170][ T627] and interrupts could create inverse lock ordering between them. [ 31.998170][ T627] [ 31.998490][ T627] [ 31.998490][ T627] other info that might help us debug this: [ 31.998617][ T627] Possible interrupt unsafe locking scenario: [ 31.998617][ T627] [ 31.998744][ T627] CPU0 CPU1 [ 31.998828][ T627] ---- ---- [ 31.998914][ T627] lock(acaddr_hash_lock); [ 31.999002][ T627] local_irq_disable(); [ 31.999108][ T627] lock(&ndev->lock); [ 31.999222][ T627] lock(acaddr_hash_lock); [ 31.999328][ T627] [ 31.999393][ T627] lock(&ndev->lock); [ 31.999458][ T627] [ 31.999458][ T627] *** DEADLOCK *** [ 31.999458][ T627] [ 31.999584][ T627] 1 lock held by ip/627: [ 31.999650][ T627] #0: ffffffffaa48c9c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0xef0 [ 31.999802][ T627] [ 31.999802][ T627] the shortest dependencies between 2nd lock and 1st lock: [ 31.999950][ T627] -> (&ndev->lock){++--}-{3:3} { [ 32.000040][ T627] HARDIRQ-ON-W at: [ 32.000106][ T627] __lock_acquire+0x378/0xc10 [ 32.000223][ T627] lock_acquire.part.0+0xbc/0x260 [ 32.000332][ T627] _raw_write_lock_bh+0x38/0x50 [ 32.000441][ T627] addrconf_permanent_addr+0x108/0x9c0 [ 32.000569][ T627] addrconf_notify+0x151/0xf30 [ 32.000676][ T627] notifier_call_chain+0xb0/0x320 [ 32.000786][ T627] __dev_notify_flags+0xde/0x280 [ 32.000894][ T627] netif_change_flags+0xfe/0x190 [ 32.001000][ T627] do_setlink.isra.0+0x1cc3/0x2750 [ 32.001107][ T627] rtnl_newlink+0x8d1/0xef0 [ 32.001217][ T627] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 32.001324][ T627] netlink_rcv_skb+0x14e/0x3a0 [ 32.001433][ T627] netlink_unicast+0x486/0x750 [ 32.001540][ T627] netlink_sendmsg+0x735/0xc60 [ 32.001646][ T627] ____sys_sendmsg+0x419/0x850 [ 32.001756][ T627] ___sys_sendmsg+0x14e/0x1d0 [ 32.001863][ T627] __sys_sendmsg+0x145/0x1f0 [ 32.001969][ T627] do_syscall_64+0x117/0x590 [ 32.002077][ T627] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.002212][ T627] HARDIRQ-ON-R at: [ 32.002276][ T627] __lock_acquire+0x378/0xc10 [ 32.002383][ T627] lock_acquire.part.0+0xbc/0x260 [ 32.002491][ T627] _raw_read_lock_bh+0x44/0x80 [ 32.002599][ T627] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 32.002727][ T627] inet6_fill_link_af+0x5c/0xe0 [ 32.002833][ T627] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 32.002961][ T627] rtnl_getlink+0x9c9/0xeb0 [ 32.003067][ T627] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 32.003174][ T627] netlink_rcv_skb+0x14e/0x3a0 [ 32.003287][ T627] netlink_unicast+0x486/0x750 [ 32.003392][ T627] netlink_sendmsg+0x735/0xc60 [ 32.003499][ T627] ____sys_sendmsg+0x419/0x850 [ 32.003607][ T627] ___sys_sendmsg+0x14e/0x1d0 [ 32.003714][ T627] __sys_sendmsg+0x145/0x1f0 [ 32.003823][ T627] do_syscall_64+0x117/0x590 [ 32.003928][ T627] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.004057][ T627] IN-SOFTIRQ-W at: [ 32.004122][ T627] __lock_acquire+0x378/0xc10 [ 32.004232][ T627] lock_acquire.part.0+0xbc/0x260 [ 32.004340][ T627] _raw_write_lock+0x33/0x40 [ 32.004448][ T627] addrconf_rs_timer+0xb0/0x770 [ 32.004554][ T627] call_timer_fn+0x163/0x4f0 [ 32.004662][ T627] __run_timers+0x68f/0xab0 [ 32.004770][ T627] run_timer_softirq+0xf0/0x160 [ 32.004877][ T627] handle_softirqs+0x1d8/0x940 [ 32.004986][ T627] __irq_exit_rcu+0x103/0x1c0 [ 32.005094][ T627] irq_exit_rcu+0xe/0x30 [ 32.005209][ T627] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 32.005337][ T627] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 32.005465][ T627] pv_native_safe_halt+0xf/0x10 [ 32.005574][ T627] default_idle+0x9/0x10 [ 32.005681][ T627] default_idle_call+0x6e/0xb0 [ 32.005787][ T627] cpuidle_idle_call.constprop.0+0x237/0x410 [ 32.005915][ T627] do_idle+0xf5/0x160 [ 32.006020][ T627] cpu_startup_entry+0x53/0x70 [ 32.006127][ T627] start_secondary+0x204/0x2b0 [ 32.006241][ T627] common_startup_64+0x13e/0x148 [ 32.006354][ T627] IN-SOFTIRQ-R at: [ 32.006418][ T627] __lock_acquire+0x378/0xc10 [ 32.006525][ T627] lock_acquire.part.0+0xbc/0x260 [ 32.006633][ T627] _raw_read_lock_bh+0x44/0x80 [ 32.006740][ T627] ipv6_get_lladdr+0xa8/0x3f0 [ 32.006846][ T627] addrconf_rs_timer+0x251/0x770 [ 32.006954][ T627] call_timer_fn+0x163/0x4f0 [ 32.007061][ T627] __run_timers+0x68f/0xab0 [ 32.007167][ T627] run_timer_softirq+0xf0/0x160 [ 32.007279][ T627] handle_softirqs+0x1d8/0x940 [ 32.007386][ T627] __irq_exit_rcu+0x103/0x1c0 [ 32.007494][ T627] irq_exit_rcu+0xe/0x30 [ 32.007601][ T627] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 32.007728][ T627] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 32.007853][ T627] pv_native_safe_halt+0xf/0x10 [ 32.007961][ T627] default_idle+0x9/0x10 [ 32.008067][ T627] default_idle_call+0x6e/0xb0 [ 32.008174][ T627] cpuidle_idle_call.constprop.0+0x237/0x410 [ 32.008303][ T627] do_idle+0xf5/0x160 [ 32.008409][ T627] cpu_startup_entry+0x53/0x70 [ 32.008517][ T627] start_secondary+0x204/0x2b0 [ 32.008623][ T627] common_startup_64+0x13e/0x148 [ 32.008731][ T627] INITIAL USE at: [ 32.008795][ T627] __lock_acquire+0x378/0xc10 [ 32.008902][ T627] lock_acquire.part.0+0xbc/0x260 [ 32.009007][ T627] _raw_write_lock_bh+0x38/0x50 [ 32.009115][ T627] addrconf_permanent_addr+0x108/0x9c0 [ 32.009251][ T627] addrconf_notify+0x151/0xf30 [ 32.009357][ T627] notifier_call_chain+0xb0/0x320 [ 32.009464][ T627] __dev_notify_flags+0xde/0x280 [ 32.009570][ T627] netif_change_flags+0xfe/0x190 [ 32.009678][ T627] do_setlink.isra.0+0x1cc3/0x2750 [ 32.009785][ T627] rtnl_newlink+0x8d1/0xef0 [ 32.009892][ T627] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 32.009999][ T627] netlink_rcv_skb+0x14e/0x3a0 [ 32.010106][ T627] netlink_unicast+0x486/0x750 [ 32.010220][ T627] netlink_sendmsg+0x735/0xc60 [ 32.010328][ T627] ____sys_sendmsg+0x419/0x850 [ 32.010436][ T627] ___sys_sendmsg+0x14e/0x1d0 [ 32.010542][ T627] __sys_sendmsg+0x145/0x1f0 [ 32.010648][ T627] do_syscall_64+0x117/0x590 [ 32.010755][ T627] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.010881][ T627] INITIAL READ USE at: [ 32.010966][ T627] __lock_acquire+0x378/0xc10 [ 32.011072][ T627] lock_acquire.part.0+0xbc/0x260 [ 32.011204][ T627] _raw_read_lock_bh+0x44/0x80 [ 32.011311][ T627] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 32.011441][ T627] inet6_fill_link_af+0x5c/0xe0 [ 32.011547][ T627] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 32.011675][ T627] rtnl_getlink+0x9c9/0xeb0 [ 32.011780][ T627] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 32.011885][ T627] netlink_rcv_skb+0x14e/0x3a0 [ 32.011991][ T627] netlink_unicast+0x486/0x750 [ 32.012096][ T627] netlink_sendmsg+0x735/0xc60 [ 32.012210][ T627] ____sys_sendmsg+0x419/0x850 [ 32.012316][ T627] ___sys_sendmsg+0x14e/0x1d0 [ 32.012422][ T627] __sys_sendmsg+0x145/0x1f0 [ 32.012527][ T627] do_syscall_64+0x117/0x590 [ 32.012631][ T627] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.012757][ T627] } [ 32.012801][ T627] ... key at: [] __key.37+0x0/0x40 [ 32.012929][ T627] ... acquired at: [ 32.012994][ T627] __lock_acquire+0x508/0xc10 [ 32.013080][ T627] lock_acquire.part.0+0xbc/0x260 [ 32.013165][ T627] _raw_spin_lock+0x33/0x40 [ 32.013253][ T627] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 32.013359][ T627] __ipv6_dev_ac_inc+0x57e/0x930 [ 32.013443][ T627] addrconf_join_anycast+0x1bc/0x260 [ 32.013527][ T627] __ipv6_ifa_notify+0x75b/0xad0 [ 32.013613][ T627] addrconf_dad_completed+0x14b/0xe10 [ 32.013700][ T627] addrconf_dad_begin+0x2e1/0x540 [ 32.013784][ T627] addrconf_dad_work+0x170/0x930 [ 32.013869][ T627] process_one_work+0xdf8/0x1410 [ 32.013954][ T627] worker_thread+0x4f1/0xd60 [ 32.014038][ T627] kthread+0x367/0x460 [ 32.014102][ T627] ret_from_fork+0x474/0x6b0 [ 32.014191][ T627] ret_from_fork_asm+0x11/0x20 [ 32.014278][ T627] [ 32.014321][ T627] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 32.014409][ T627] HARDIRQ-ON-W at: [ 32.014473][ T627] __lock_acquire+0x378/0xc10 [ 32.014579][ T627] lock_acquire.part.0+0xbc/0x260 [ 32.014685][ T627] _raw_spin_lock+0x33/0x40 [ 32.014792][ T627] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 32.014919][ T627] __ipv6_dev_ac_inc+0x57e/0x930 [ 32.015026][ T627] addrconf_join_anycast+0x1bc/0x260 [ 32.015132][ T627] __ipv6_ifa_notify+0x75b/0xad0 [ 32.015246][ T627] addrconf_dad_completed+0x14b/0xe10 [ 32.015353][ T627] addrconf_dad_begin+0x2e1/0x540 [ 32.015460][ T627] addrconf_dad_work+0x170/0x930 [ 32.015619][ T627] process_one_work+0xdf8/0x1410 [ 32.015725][ T627] worker_thread+0x4f1/0xd60 [ 32.015832][ T627] kthread+0x367/0x460 [ 32.015966][ T627] ret_from_fork+0x474/0x6b0 [ 32.016074][ T627] ret_from_fork_asm+0x11/0x20 [ 32.016184][ T627] SOFTIRQ-ON-W at: [ 32.016256][ T627] __lock_acquire+0x378/0xc10 [ 32.016411][ T627] lock_acquire.part.0+0xbc/0x260 [ 32.016516][ T627] _raw_spin_lock+0x33/0x40 [ 32.016621][ T627] __ipv6_dev_ac_dec+0x236/0x5d0 [ 32.016776][ T627] addrconf_leave_anycast+0x1bc/0x260 [ 32.016883][ T627] __ipv6_ifa_notify+0x6b4/0xad0 [ 32.016988][ T627] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 32.017144][ T627] addrconf_notify+0x339/0xf30 [ 32.017255][ T627] notifier_call_chain+0xb0/0x320 [ 32.017362][ T627] __netdev_upper_dev_link+0x3a5/0x590 [ 32.017520][ T627] netdev_master_upper_dev_link+0x86/0xb0 [ 32.017645][ T627] vrf_add_slave+0xdd/0x210 [vrf] [ 32.017752][ T627] do_set_master+0x357/0x580 [ 32.017909][ T627] do_setlink.isra.0+0xa31/0x2750 [ 32.018016][ T627] rtnl_newlink+0x8d1/0xef0 [ 32.018122][ T627] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 32.018230][ T627] netlink_rcv_skb+0x14e/0x3a0 [ 32.018336][ T627] netlink_unicast+0x486/0x750 [ 32.018442][ T627] netlink_sendmsg+0x735/0xc60 [ 32.018547][ T627] ____sys_sendmsg+0x419/0x850 [ 32.018705][ T627] ___sys_sendmsg+0x14e/0x1d0 [ 32.018810][ T627] __sys_sendmsg+0x145/0x1f0 [ 32.018914][ T627] do_syscall_64+0x117/0x590 [ 32.019070][ T627] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.019206][ T627] INITIAL USE at: [ 32.019273][ T627] __lock_acquire+0x378/0xc10 [ 32.019430][ T627] lock_acquire.part.0+0xbc/0x260 [ 32.019536][ T627] _raw_spin_lock+0x33/0x40 [ 32.019641][ T627] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 32.019816][ T627] __ipv6_dev_ac_inc+0x57e/0x930 [ 32.019920][ T627] addrconf_join_anycast+0x1bc/0x260 [ 32.020027][ T627] __ipv6_ifa_notify+0x75b/0xad0 [ 32.020133][ T627] addrconf_dad_completed+0x14b/0xe10 [ 32.020293][ T627] addrconf_dad_begin+0x2e1/0x540 [ 32.020399][ T627] addrconf_dad_work+0x170/0x930 [ 32.020505][ T627] process_one_work+0xdf8/0x1410 [ 32.020663][ T627] worker_thread+0x4f1/0xd60 [ 32.020771][ T627] kthread+0x367/0x460 [ 32.020856][ T627] ret_from_fork+0x474/0x6b0 [ 32.021014][ T627] ret_from_fork_asm+0x11/0x20 [ 32.021121][ T627] } [ 32.021164][ T627] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 32.021308][ T627] ... acquired at: [ 32.021420][ T627] mark_lock+0x1d7/0xa00 [ 32.021506][ T627] mark_usage+0x105/0x170 [ 32.021596][ T627] __lock_acquire+0x378/0xc10 [ 32.021681][ T627] lock_acquire.part.0+0xbc/0x260 [ 32.021815][ T627] _raw_spin_lock+0x33/0x40 [ 32.021902][ T627] __ipv6_dev_ac_dec+0x236/0x5d0 [ 32.021987][ T627] addrconf_leave_anycast+0x1bc/0x260 [ 32.022072][ T627] __ipv6_ifa_notify+0x6b4/0xad0 [ 32.022211][ T627] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 32.022297][ T627] addrconf_notify+0x339/0xf30 [ 32.022381][ T627] notifier_call_chain+0xb0/0x320 [ 32.022464][ T627] __netdev_upper_dev_link+0x3a5/0x590 [ 32.022600][ T627] netdev_master_upper_dev_link+0x86/0xb0 [ 32.022704][ T627] vrf_add_slave+0xdd/0x210 [vrf] [ 32.022788][ T627] do_set_master+0x357/0x580 [ 32.022871][ T627] do_setlink.isra.0+0xa31/0x2750 [ 32.023005][ T627] rtnl_newlink+0x8d1/0xef0 [ 32.023088][ T627] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 32.023173][ T627] netlink_rcv_skb+0x14e/0x3a0 [ 32.023267][ T627] netlink_unicast+0x486/0x750 [ 32.023400][ T627] netlink_sendmsg+0x735/0xc60 [ 32.023485][ T627] ____sys_sendmsg+0x419/0x850 [ 32.023571][ T627] ___sys_sendmsg+0x14e/0x1d0 [ 32.023655][ T627] __sys_sendmsg+0x145/0x1f0 [ 32.023787][ T627] do_syscall_64+0x117/0x590 [ 32.023878][ T627] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.023981][ T627] [ 32.024023][ T627] [ 32.024023][ T627] stack backtrace: [ 32.024177][ T627] CPU: 3 UID: 0 PID: 627 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 32.024180][ T627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.024182][ T627] Call Trace: [ 32.024183][ T627] [ 32.024184][ T627] dump_stack_lvl+0x6f/0xa0 [ 32.024192][ T627] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 32.024195][ T627] mark_lock_irq+0x989/0x9c0 [ 32.024198][ T627] mark_lock+0x1d7/0xa00 [ 32.024200][ T627] mark_usage+0x105/0x170 [ 32.024201][ T627] __lock_acquire+0x378/0xc10 [ 32.024203][ T627] lock_acquire.part.0+0xbc/0x260 [ 32.024205][ T627] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 32.024206][ T627] ? rcu_is_watching+0x15/0xd0 [ 32.024209][ T627] ? do_raw_read_unlock+0x70/0x70 [ 32.024211][ T627] ? lock_acquire+0x134/0x160 [ 32.024213][ T627] _raw_spin_lock+0x33/0x40 [ 32.024214][ T627] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 32.024216][ T627] __ipv6_dev_ac_dec+0x236/0x5d0 [ 32.024218][ T627] addrconf_leave_anycast+0x1bc/0x260 [ 32.024219][ T627] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 32.024221][ T627] ? __ipv6_isatap_ifid+0x210/0x210 [ 32.024223][ T627] ? nlmsg_notify+0x62/0x250 [ 32.024225][ T627] __ipv6_ifa_notify+0x6b4/0xad0 [ 32.024227][ T627] ? cleanup_prefix_route+0x550/0x550 [ 32.024229][ T627] ? find_held_lock+0x2b/0x80 [ 32.024232][ T627] ? __lock_release.isra.0+0x6b/0x1a0 [ 32.024233][ T627] ? __rwlock_init+0x150/0x150 [ 32.024235][ T627] ? mark_held_locks+0x40/0x70 [ 32.024236][ T627] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 32.024238][ T627] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 32.024241][ T627] ? addrconf_dad_run+0x1b0/0x1b0 [ 32.024243][ T627] ? neigh_flush_one+0x580/0x580 [ 32.024246][ T627] addrconf_notify+0x339/0xf30 [ 32.024248][ T627] ? team_port_get_rtnl+0x65/0xc0 [ 32.024251][ T627] notifier_call_chain+0xb0/0x320 [ 32.024253][ T627] __netdev_upper_dev_link+0x3a5/0x590 [ 32.024255][ T627] ? netdev_wait_allrefs_any+0x570/0x570 [ 32.024258][ T627] ? find_held_lock+0x2b/0x80 [ 32.024260][ T627] ? __lock_acquire+0x508/0xc10 [ 32.024261][ T627] ? __lock_acquire+0x508/0xc10 [ 32.024263][ T627] netdev_master_upper_dev_link+0x86/0xb0 [ 32.024265][ T627] ? netdev_upper_dev_link+0xb0/0xb0 [ 32.024267][ T627] ? __lock_release.isra.0+0x6b/0x1a0 [ 32.024269][ T627] vrf_add_slave+0xdd/0x210 [vrf] [ 32.024270][ T627] ? rtnl_is_locked+0x15/0x20 [ 32.024271][ T627] do_set_master+0x357/0x580 [ 32.024273][ T627] ? kernel_text_address+0x149/0x170 [ 32.024275][ T627] do_setlink.isra.0+0xa31/0x2750 [ 32.024277][ T627] ? rtnl_link_get_size+0x350/0x350 [ 32.024279][ T627] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 32.024281][ T627] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.024283][ T627] ? validate_chain+0x38b/0xc20 [ 32.024284][ T627] ? rcu_read_lock_any_held+0x66/0x90 [ 32.024286][ T627] ? stack_depot_save_flags+0x367/0x770 [ 32.024289][ T627] ? __kernel_text_address+0x12/0x30 [ 32.024290][ T627] ? __lock_acquire+0x508/0xc10 [ 32.024292][ T627] ? lock_acquire.part.0+0xbc/0x260 [ 32.024294][ T627] ? rtnl_newlink+0x883/0xef0 [ 32.024295][ T627] ? rcu_is_watching+0x15/0xd0 [ 32.024297][ T627] ? lock_acquire+0x134/0x160 [ 32.024298][ T627] ? rcu_is_watching+0x15/0xd0 [ 32.024299][ T627] ? rcu_is_watching+0x15/0xd0 [ 32.024301][ T627] ? trace_contention_end+0xb3/0x1a0 [ 32.024303][ T627] ? __mutex_lock+0x1db/0x2010 [ 32.024305][ T627] ? __mutex_lock+0x9b2/0x2010 [ 32.024306][ T627] ? rtnl_newlink+0x883/0xef0 [ 32.024308][ T627] ? ww_mutex_lock+0x160/0x160 [ 32.024309][ T627] ? nla_get_range_signed+0x3d0/0x3d0 [ 32.024313][ T627] ? __rtnl_newlink+0x3fa/0xa50 [ 32.024315][ T627] rtnl_newlink+0x8d1/0xef0 [ 32.024317][ T627] ? lock_acquire.part.0+0xbc/0x260 [ 32.024318][ T627] ? find_held_lock+0x2b/0x80 [ 32.024320][ T627] ? __rtnl_newlink+0xa50/0xa50 [ 32.024321][ T627] ? mark_usage+0x61/0x170 [ 32.024322][ T627] ? __lock_release.isra.0+0x6b/0x1a0 [ 32.024324][ T627] ? lock_acquire.part.0+0xbc/0x260 [ 32.024325][ T627] ? find_held_lock+0x2b/0x80 [ 32.024327][ T627] ? __rtnl_newlink+0xa50/0xa50 [ 32.024328][ T627] ? __lock_release.isra.0+0x6b/0x1a0 [ 32.024330][ T627] ? __rtnl_newlink+0xa50/0xa50 [ 32.024332][ T627] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 32.024333][ T627] ? validate_chain+0x38b/0xc20 [ 32.024334][ T627] ? rtnl_link_fill+0x920/0x920 [ 32.024336][ T627] ? __lock_acquire+0x508/0xc10 [ 32.024338][ T627] ? lock_acquire.part.0+0xbc/0x260 [ 32.024339][ T627] ? find_held_lock+0x2b/0x80 [ 32.024341][ T627] netlink_rcv_skb+0x14e/0x3a0 [ 32.024343][ T627] ? rtnl_link_fill+0x920/0x920 [ 32.024344][ T627] ? netlink_ack+0xcf0/0xcf0 [ 32.024347][ T627] ? netlink_deliver_tap+0xc5/0x330 [ 32.024349][ T627] ? netlink_deliver_tap+0x13c/0x330 [ 32.024351][ T627] netlink_unicast+0x486/0x750 [ 32.024353][ T627] ? netlink_attachskb+0x810/0x810 [ 32.024355][ T627] ? __lock_acquire+0x508/0xc10 [ 32.024356][ T627] netlink_sendmsg+0x735/0xc60 [ 32.024358][ T627] ? netlink_unicast+0x750/0x750 [ 32.024360][ T627] ? __might_fault+0x97/0x140 [ 32.024364][ T627] ____sys_sendmsg+0x419/0x850 [ 32.024366][ T627] ? copy_msghdr_from_user+0x2a0/0x460 [ 32.024368][ T627] ? get_timestamp.constprop.0+0x390/0x390 [ 32.024369][ T627] ? move_addr_to_kernel+0x40/0x40 [ 32.024371][ T627] ? stack_depot_save_flags+0x367/0x770 [ 32.024373][ T627] ? validate_chain+0x38b/0xc20 [ 32.024375][ T627] ___sys_sendmsg+0x14e/0x1d0 [ 32.024376][ T627] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 32.024378][ T627] ? copy_msghdr_from_user+0x460/0x460 [ 32.024383][ T627] __sys_sendmsg+0x145/0x1f0 [ 32.024385][ T627] ? __sys_sendmsg_sock+0x20/0x20 [ 32.024386][ T627] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 32.024388][ T627] ? do_raw_spin_unlock+0x59/0x250 [ 32.024390][ T627] ? rcu_is_watching+0x15/0xd0 [ 32.024392][ T627] do_syscall_64+0x117/0x590 [ 32.024393][ T627] ? trace_hardirqs_off+0xd/0x30 [ 32.024396][ T627] ? exc_page_fault+0xee/0x100 [ 32.024398][ T627] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.024399][ T627] RIP: 0033:0x7f63eb17308e [ 32.024401][ T627] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 32.024403][ T627] RSP: 002b:00007ffe5d961b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.024406][ T627] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f63eb17308e [ 32.024407][ T627] RDX: 0000000000000000 RSI: 00007ffe5d961bb0 RDI: 0000000000000005 [ 32.024408][ T627] RBP: 00007ffe5d961b10 R08: 0000000000000000 R09: 0000000000000000 [ 32.024409][ T627] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a1986a1 [ 32.024410][ T627] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5d962270 [ 32.024412][ T627] [ 32.043528][ T627] ip (627) used greatest stack depth: 23384 bytes left