[ 30.227719][ T292] 8021q: 802.1Q VLAN Support v1.8 [ 31.304964][ T303] gre: GRE over IPv4 demultiplexor driver [ 31.342845][ T303] ip_gre: GRE over IPv4 tunneling driver [ 37.489278][ T360] GACT probability NOT on [ 39.039553][ T374] [ 39.039663][ T374] ===================================================== [ 39.039869][ T374] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 39.040080][ T374] 6.9.0-rc1-virtme #1 Not tainted [ 39.040232][ T374] ----------------------------------------------------- [ 39.040402][ T374] sysctl/374 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 39.040616][ T374] ffff888006140968 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 39.040871][ T374] [ 39.040871][ T374] and this task is already holding: [ 39.041070][ T374] ffff88800285bd80 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 39.041328][ T374] which would create a new lock dependency: [ 39.041502][ T374] (&ndev->lock){++--}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 39.041720][ T374] [ 39.041720][ T374] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 39.041966][ T374] (&ndev->lock){++--}-{2:2} [ 39.041970][ T374] [ 39.041970][ T374] ... which became SOFTIRQ-irq-safe at: [ 39.042309][ T374] __lock_acquire+0x797/0x1570 [ 39.042469][ T374] lock_acquire.part.0+0xeb/0x330 [ 39.042614][ T374] _raw_write_lock+0x30/0x40 [ 39.042756][ T374] addrconf_rs_timer+0xa9/0x730 [ 39.042892][ T374] call_timer_fn+0x13b/0x230 [ 39.043033][ T374] __run_timers+0x545/0x810 [ 39.043173][ T374] run_timer_softirq+0xe8/0x1b0 [ 39.043325][ T374] __do_softirq+0x1f8/0x5df [ 39.043464][ T374] irq_exit_rcu+0x97/0xc0 [ 39.043607][ T374] sysvec_apic_timer_interrupt+0x75/0x80 [ 39.043752][ T374] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 39.043938][ T374] debug_lockdep_rcu_enabled+0xa/0x40 [ 39.044081][ T374] ftrace_ops_trampoline+0x2a/0x110 [ 39.044222][ T374] is_ftrace_trampoline+0x9/0x20 [ 39.044360][ T374] kernel_text_address+0x4a/0xe0 [ 39.044497][ T374] __kernel_text_address+0x12/0x40 [ 39.044634][ T374] unwind_get_return_address+0x5e/0xa0 [ 39.044771][ T374] arch_stack_walk+0xa2/0xf0 [ 39.044917][ T374] stack_trace_save+0x94/0xd0 [ 39.045055][ T374] kasan_save_stack+0x24/0x50 [ 39.045196][ T374] kasan_save_track+0x14/0x30 [ 39.045330][ T374] __kasan_slab_alloc+0x59/0x70 [ 39.045465][ T374] kmem_cache_alloc+0xef/0x270 [ 39.045612][ T374] __alloc_object+0x39/0x6f0 [ 39.045750][ T374] __create_object+0x22/0xb0 [ 39.045890][ T374] __kmalloc+0x2ce/0x3c0 [ 39.046001][ T374] p9pdu_vreadf+0x1684/0x21f0 [ 39.046147][ T374] p9pdu_readf+0xa7/0xe0 [ 39.046258][ T374] p9_client_walk+0x293/0x650 [ 39.046402][ T374] v9fs_vfs_lookup.part.0+0x12f/0x390 [ 39.046541][ T374] __lookup_slow+0x209/0x3c0 [ 39.046679][ T374] walk_component+0x2ab/0x4f0 [ 39.046819][ T374] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 39.046993][ T374] path_lookupat+0x72/0x660 [ 39.047129][ T374] filename_lookup+0x19e/0x420 [ 39.047264][ T374] vfs_statx+0xe8/0x460 [ 39.047374][ T374] vfs_fstatat+0x93/0xc0 [ 39.047477][ T374] __do_sys_newfstatat+0x6b/0xc0 [ 39.047612][ T374] do_syscall_64+0xc6/0x1e0 [ 39.047766][ T374] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.047938][ T374] [ 39.047938][ T374] to a SOFTIRQ-irq-unsafe lock: [ 39.048112][ T374] (&p->alloc_lock){+.+.}-{2:2} [ 39.048117][ T374] [ 39.048117][ T374] ... which became SOFTIRQ-irq-unsafe at: [ 39.048457][ T374] ... [ 39.048458][ T374] __lock_acquire+0x797/0x1570 [ 39.048673][ T374] lock_acquire.part.0+0xeb/0x330 [ 39.048808][ T374] _raw_spin_lock+0x30/0x40 [ 39.048945][ T374] set_mems_allowed+0x1d/0x210 [ 39.049082][ T374] kernel_init_freeable+0x72/0x310 [ 39.049227][ T374] kernel_init+0x20/0x200 [ 39.049388][ T374] ret_from_fork+0x31/0x70 [ 39.049524][ T374] ret_from_fork_asm+0x1a/0x30 [ 39.049659][ T374] [ 39.049659][ T374] other info that might help us debug this: [ 39.049659][ T374] [ 39.049934][ T374] Possible interrupt unsafe locking scenario: [ 39.049934][ T374] [ 39.050140][ T374] CPU0 CPU1 [ 39.050285][ T374] ---- ---- [ 39.050427][ T374] lock(&p->alloc_lock); [ 39.050540][ T374] local_irq_disable(); [ 39.050713][ T374] lock(&ndev->lock); [ 39.050883][ T374] lock(&p->alloc_lock); [ 39.051057][ T374] [ 39.051158][ T374] lock(&ndev->lock); [ 39.051262][ T374] [ 39.051262][ T374] *** DEADLOCK *** [ 39.051262][ T374] [ 39.051466][ T374] 3 locks held by sysctl/374: [ 39.051615][ T374] #0: ffff888005a6c3f0 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0xf5/0x1e0 [ 39.051875][ T374] #1: ffffffffb0b969c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_fixup_forwarding+0x20/0x460 [ 39.052154][ T374] #2: ffff88800285bd80 (&ndev->lock){++--}-{2:2}, at: __ipv6_dev_ac_inc+0x42/0xb10 [ 39.052420][ T374] [ 39.052420][ T374] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 39.052844][ T374] -> (&ndev->lock){++--}-{2:2} { [ 39.052991][ T374] HARDIRQ-ON-W at: [ 39.053101][ T374] __lock_acquire+0x797/0x1570 [ 39.053290][ T374] lock_acquire.part.0+0xeb/0x330 [ 39.053468][ T374] _raw_write_lock_bh+0x38/0x50 [ 39.053647][ T374] addrconf_permanent_addr+0x6e/0x670 [ 39.053820][ T374] addrconf_notify+0x749/0xd60 [ 39.053992][ T374] notifier_call_chain+0xcd/0x150 [ 39.054182][ T374] __dev_notify_flags+0xe6/0x250 [ 39.054363][ T374] dev_change_flags+0xec/0x160 [ 39.054538][ T374] do_setlink+0x7d6/0x21e0 [ 39.054714][ T374] __rtnl_newlink+0xaa7/0xd80 [ 39.054887][ T374] rtnl_newlink+0x63/0xa0 [ 39.055072][ T374] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 39.055245][ T374] netlink_rcv_skb+0x130/0x360 [ 39.055425][ T374] netlink_unicast+0x449/0x710 [ 39.055600][ T374] netlink_sendmsg+0x723/0xbe0 [ 39.055786][ T374] ____sys_sendmsg+0x7b2/0xa10 [ 39.055962][ T374] ___sys_sendmsg+0xee/0x170 [ 39.056140][ T374] __sys_sendmsg+0xcd/0x170 [ 39.056312][ T374] do_syscall_64+0xc6/0x1e0 [ 39.056493][ T374] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.056704][ T374] HARDIRQ-ON-R at: [ 39.056808][ T374] __lock_acquire+0x797/0x1570 [ 39.056990][ T374] lock_acquire.part.0+0xeb/0x330 [ 39.057171][ T374] _raw_read_lock_bh+0x44/0x80 [ 39.057346][ T374] inet6_fill_ifla6_attrs+0x516/0x740 [ 39.057521][ T374] inet6_fill_link_af+0x5e/0xe0 [ 39.057694][ T374] rtnl_fill_ifinfo+0x1612/0x29e0 [ 39.057872][ T374] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 39.058044][ T374] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 39.058252][ T374] rtmsg_ifinfo+0x5b/0xa0 [ 39.058427][ T374] register_netdevice+0x1177/0x1690 [ 39.058604][ T374] register_netdev+0x20/0x40 [ 39.058781][ T374] sit_init_net+0x250/0x4f0 [ 39.058957][ T374] ops_init+0x9b/0x560 [ 39.059096][ T374] register_pernet_operations+0x2db/0x710 [ 39.059302][ T374] register_pernet_device+0x2a/0x60 [ 39.059476][ T374] sit_init+0x23/0xe0 [ 39.059617][ T374] do_one_initcall+0x8d/0x1e0 [ 39.059792][ T374] do_initcalls+0x1b2/0x3e0 [ 39.059964][ T374] kernel_init_freeable+0x232/0x310 [ 39.060137][ T374] kernel_init+0x20/0x200 [ 39.060314][ T374] ret_from_fork+0x31/0x70 [ 39.060488][ T374] ret_from_fork_asm+0x1a/0x30 [ 39.060663][ T374] IN-SOFTIRQ-W at: [ 39.060771][ T374] __lock_acquire+0x797/0x1570 [ 39.060948][ T374] lock_acquire.part.0+0xeb/0x330 [ 39.061120][ T374] _raw_write_lock+0x30/0x40 [ 39.061292][ T374] addrconf_rs_timer+0xa9/0x730 [ 39.061464][ T374] call_timer_fn+0x13b/0x230 [ 39.061638][ T374] __run_timers+0x545/0x810 [ 39.061810][ T374] run_timer_softirq+0xe8/0x1b0 [ 39.062004][ T374] __do_softirq+0x1f8/0x5df [ 39.062182][ T374] irq_exit_rcu+0x97/0xc0 [ 39.062366][ T374] sysvec_apic_timer_interrupt+0x75/0x80 [ 39.062601][ T374] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 39.062813][ T374] debug_lockdep_rcu_enabled+0xa/0x40 [ 39.062990][ T374] ftrace_ops_trampoline+0x2a/0x110 [ 39.063167][ T374] is_ftrace_trampoline+0x9/0x20 [ 39.063349][ T374] kernel_text_address+0x4a/0xe0 [ 39.063521][ T374] __kernel_text_address+0x12/0x40 [ 39.063697][ T374] unwind_get_return_address+0x5e/0xa0 [ 39.063888][ T374] arch_stack_walk+0xa2/0xf0 [ 39.064062][ T374] stack_trace_save+0x94/0xd0 [ 39.064238][ T374] kasan_save_stack+0x24/0x50 [ 39.064418][ T374] kasan_save_track+0x14/0x30 [ 39.064590][ T374] __kasan_slab_alloc+0x59/0x70 [ 39.064769][ T374] kmem_cache_alloc+0xef/0x270 [ 39.064946][ T374] __alloc_object+0x39/0x6f0 [ 39.065123][ T374] __create_object+0x22/0xb0 [ 39.065299][ T374] __kmalloc+0x2ce/0x3c0 [ 39.065475][ T374] p9pdu_vreadf+0x1684/0x21f0 [ 39.065660][ T374] p9pdu_readf+0xa7/0xe0 [ 39.065844][ T374] p9_client_walk+0x293/0x650 [ 39.066017][ T374] v9fs_vfs_lookup.part.0+0x12f/0x390 [ 39.066193][ T374] __lookup_slow+0x209/0x3c0 [ 39.066365][ T374] walk_component+0x2ab/0x4f0 [ 39.066546][ T374] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 39.066759][ T374] path_lookupat+0x72/0x660 [ 39.066931][ T374] filename_lookup+0x19e/0x420 [ 39.067104][ T374] vfs_statx+0xe8/0x460 [ 39.067277][ T374] vfs_fstatat+0x93/0xc0 [ 39.067542][ T374] __do_sys_newfstatat+0x6b/0xc0 [ 39.067719][ T374] do_syscall_64+0xc6/0x1e0 [ 39.067906][ T374] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.068210][ T374] IN-SOFTIRQ-R at: [ 39.068322][ T374] __lock_acquire+0x797/0x1570 [ 39.068508][ T374] lock_acquire.part.0+0xeb/0x330 [ 39.068680][ T374] _raw_read_lock_bh+0x44/0x80 [ 39.068950][ T374] ipv6_get_lladdr+0xa9/0x3e0 [ 39.069123][ T374] addrconf_rs_timer+0x24a/0x730 [ 39.069302][ T374] call_timer_fn+0x13b/0x230 [ 39.069561][ T374] __run_timers+0x545/0x810 [ 39.069742][ T374] run_timer_softirq+0xe8/0x1b0 [ 39.069924][ T374] __do_softirq+0x1f8/0x5df [ 39.070096][ T374] irq_exit_rcu+0x97/0xc0 [ 39.070360][ T374] sysvec_apic_timer_interrupt+0x75/0x80 [ 39.070579][ T374] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 39.070784][ T374] debug_lockdep_rcu_enabled+0xa/0x40 [ 39.071037][ T374] ftrace_ops_trampoline+0x2a/0x110 [ 39.071213][ T374] is_ftrace_trampoline+0x9/0x20 [ 39.071384][ T374] kernel_text_address+0x4a/0xe0 [ 39.071637][ T374] __kernel_text_address+0x12/0x40 [ 39.071825][ T374] unwind_get_return_address+0x5e/0xa0 [ 39.071998][ T374] arch_stack_walk+0xa2/0xf0 [ 39.072170][ T374] stack_trace_save+0x94/0xd0 [ 39.072426][ T374] kasan_save_stack+0x24/0x50 [ 39.072611][ T374] kasan_save_track+0x14/0x30 [ 39.072786][ T374] __kasan_slab_alloc+0x59/0x70 [ 39.073082][ T374] kmem_cache_alloc+0xef/0x270 [ 39.073256][ T374] __alloc_object+0x39/0x6f0 [ 39.073430][ T374] __create_object+0x22/0xb0 [ 39.073779][ T374] __kmalloc+0x2ce/0x3c0 [ 39.073958][ T374] p9pdu_vreadf+0x1684/0x21f0 [ 39.074131][ T374] p9pdu_readf+0xa7/0xe0 [ 39.074303][ T374] p9_client_walk+0x293/0x650 [ 39.074564][ T374] v9fs_vfs_lookup.part.0+0x12f/0x390 [ 39.074736][ T374] __lookup_slow+0x209/0x3c0 [ 39.074913][ T374] walk_component+0x2ab/0x4f0 [ 39.075167][ T374] link_path_walk.part.0.constprop.0+0x56a/0x9f0 [ 39.075382][ T374] path_lookupat+0x72/0x660 [ 39.075551][ T374] filename_lookup+0x19e/0x420 [ 39.075808][ T374] vfs_statx+0xe8/0x460 [ 39.075985][ T374] vfs_fstatat+0x93/0xc0 [ 39.076157][ T374] __do_sys_newfstatat+0x6b/0xc0 [ 39.076329][ T374] do_syscall_64+0xc6/0x1e0 [ 39.076595][ T374] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.076803][ T374] INITIAL USE at: [ 39.076907][ T374] __lock_acquire+0x797/0x1570 [ 39.077162][ T374] lock_acquire.part.0+0xeb/0x330 [ 39.077334][ T374] _raw_write_lock_bh+0x38/0x50 [ 39.077515][ T374] addrconf_permanent_addr+0x6e/0x670 [ 39.077697][ T374] addrconf_notify+0x749/0xd60 [ 39.077950][ T374] notifier_call_chain+0xcd/0x150 [ 39.078128][ T374] __dev_notify_flags+0xe6/0x250 [ 39.078301][ T374] dev_change_flags+0xec/0x160 [ 39.078564][ T374] do_setlink+0x7d6/0x21e0 [ 39.078741][ T374] __rtnl_newlink+0xaa7/0xd80 [ 39.078916][ T374] rtnl_newlink+0x63/0xa0 [ 39.079087][ T374] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 39.079352][ T374] netlink_rcv_skb+0x130/0x360 [ 39.079527][ T374] netlink_unicast+0x449/0x710 [ 39.079705][ T374] netlink_sendmsg+0x723/0xbe0 [ 39.079974][ T374] ____sys_sendmsg+0x7b2/0xa10 [ 39.080154][ T374] ___sys_sendmsg+0xee/0x170 [ 39.080328][ T374] __sys_sendmsg+0xcd/0x170 [ 39.080598][ T374] do_syscall_64+0xc6/0x1e0 [ 39.080771][ T374] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.080984][ T374] INITIAL READ USE at: [ 39.081090][ T374] __lock_acquire+0x797/0x1570 [ 39.081350][ T374] lock_acquire.part.0+0xeb/0x330 [ 39.081522][ T374] _raw_read_lock_bh+0x44/0x80 [ 39.081703][ T374] inet6_fill_ifla6_attrs+0x516/0x740 [ 39.082000][ T374] inet6_fill_link_af+0x5e/0xe0 [ 39.082177][ T374] rtnl_fill_ifinfo+0x1612/0x29e0 [ 39.082362][ T374] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 39.082676][ T374] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 39.082883][ T374] rtmsg_ifinfo+0x5b/0xa0 [ 39.083057][ T374] register_netdevice+0x1177/0x1690 [ 39.083349][ T374] register_netdev+0x20/0x40 [ 39.083530][ T374] sit_init_net+0x250/0x4f0 [ 39.083708][ T374] ops_init+0x9b/0x560 [ 39.083881][ T374] register_pernet_operations+0x2db/0x710 [ 39.084168][ T374] register_pernet_device+0x2a/0x60 [ 39.084391][ T374] sit_init+0x23/0xe0 [ 39.084567][ T374] do_one_initcall+0x8d/0x1e0 [ 39.084908][ T374] do_initcalls+0x1b2/0x3e0 [ 39.085089][ T374] kernel_init_freeable+0x232/0x310 [ 39.085299][ T374] kernel_init+0x20/0x200 [ 39.085601][ T374] ret_from_fork+0x31/0x70 [ 39.085777][ T374] ret_from_fork_asm+0x1a/0x30 [ 39.085972][ T374] } [ 39.086044][ T374] ... key at: [] __key.37+0x0/0x40 [ 39.086350][ T374] [ 39.086350][ T374] the dependencies between the lock to be acquired [ 39.086352][ T374] and SOFTIRQ-irq-unsafe lock: [ 39.086724][ T374] -> (&p->alloc_lock){+.+.}-{2:2} { [ 39.086946][ T374] HARDIRQ-ON-W at: [ 39.087063][ T374] __lock_acquire+0x797/0x1570 [ 39.087249][ T374] lock_acquire.part.0+0xeb/0x330 [ 39.087443][ T374] _raw_spin_lock+0x30/0x40 [ 39.087707][ T374] set_mems_allowed+0x1d/0x210 [ 39.087878][ T374] kernel_init_freeable+0x72/0x310 [ 39.088054][ T374] kernel_init+0x20/0x200 [ 39.088313][ T374] ret_from_fork+0x31/0x70 [ 39.088495][ T374] ret_from_fork_asm+0x1a/0x30 [ 39.088666][ T374] SOFTIRQ-ON-W at: [ 39.088768][ T374] __lock_acquire+0x797/0x1570 [ 39.089033][ T374] lock_acquire.part.0+0xeb/0x330 [ 39.089204][ T374] _raw_spin_lock+0x30/0x40 [ 39.089376][ T374] set_mems_allowed+0x1d/0x210 [ 39.089554][ T374] kernel_init_freeable+0x72/0x310 [ 39.089805][ T374] kernel_init+0x20/0x200 [ 39.089988][ T374] ret_from_fork+0x31/0x70 [ 39.090167][ T374] ret_from_fork_asm+0x1a/0x30 [ 39.090420][ T374] INITIAL USE at: [ 39.090525][ T374] __lock_acquire+0x797/0x1570 [ 39.090695][ T374] lock_acquire.part.0+0xeb/0x330 [ 39.090876][ T374] _raw_spin_lock+0x30/0x40 [ 39.091130][ T374] set_mems_allowed+0x1d/0x210 [ 39.091301][ T374] kernel_init_freeable+0x72/0x310 [ 39.091479][ T374] kernel_init+0x20/0x200 [ 39.091738][ T374] ret_from_fork+0x31/0x70 [ 39.091909][ T374] ret_from_fork_asm+0x1a/0x30 [ 39.092079][ T374] } [ 39.092149][ T374] ... key at: [] __key.387+0x0/0x40 [ 39.092434][ T374] ... acquired at: [ 39.092552][ T374] check_prev_add+0x194/0xce0 [ 39.092688][ T374] validate_chain+0x71d/0x9b0 [ 39.092838][ T374] __lock_acquire+0xaf0/0x1570 [ 39.093054][ T374] lock_acquire.part.0+0xeb/0x330 [ 39.093190][ T374] _raw_spin_lock+0x30/0x40 [ 39.093330][ T374] __get_task_comm+0x27/0x70 [ 39.093476][ T374] ref_tracker_alloc+0x2ee/0x490 [ 39.093613][ T374] netdev_get_by_index+0x5e/0x80 [ 39.093838][ T374] fib6_nh_init+0x3d8/0x15b0 [ 39.093975][ T374] ip6_route_info_create+0xf18/0x17d0 [ 39.094116][ T374] addrconf_f6i_alloc+0x265/0x560 [ 39.094251][ T374] __ipv6_dev_ac_inc+0x25f/0xb10 [ 39.094483][ T374] addrconf_join_anycast+0x1c0/0x220 [ 39.094623][ T374] dev_forward_change+0x2a6/0x7b0 [ 39.094796][ T374] addrconf_fixup_forwarding+0x23f/0x460 [ 39.094973][ T374] addrconf_sysctl_forward+0x212/0x2b0 [ 39.095189][ T374] proc_sys_call_handler+0x403/0x5e0 [ 39.095329][ T374] vfs_write+0x9e5/0x10a0 [ 39.095479][ T374] ksys_write+0xf5/0x1e0 [ 39.095613][ T374] do_syscall_64+0xc6/0x1e0 [ 39.095909][ T374] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.096084][ T374] [ 39.096154][ T374] [ 39.096154][ T374] stack backtrace: [ 39.096327][ T374] CPU: 2 PID: 374 Comm: sysctl Not tainted 6.9.0-rc1-virtme #1 [ 39.096615][ T374] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 39.096926][ T374] Call Trace: [ 39.097041][ T374] [ 39.097112][ T374] dump_stack_lvl+0x82/0xd0 [ 39.097332][ T374] print_bad_irq_dependency+0x957/0xd40 [ 39.097469][ T374] ? hlock_class+0x4e/0x130 [ 39.097609][ T374] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 39.097804][ T374] ? __pfx_usage_skip+0x10/0x10 [ 39.098025][ T374] ? __bfs+0x246/0x650 [ 39.098144][ T374] ? __pfx_usage_match+0x10/0x10 [ 39.098279][ T374] check_irq_usage+0x596/0x850 [ 39.098421][ T374] ? __pfx_check_irq_usage+0x10/0x10 [ 39.098646][ T374] ? __bfs+0x246/0x650 [ 39.098750][ T374] ? __pfx_hlock_conflict+0x10/0x10 [ 39.098899][ T374] ? check_path.constprop.0+0x24/0x50 [ 39.099042][ T374] ? check_noncircular+0x14c/0x3e0 [ 39.099178][ T374] ? __pfx_check_noncircular+0x10/0x10 [ 39.099400][ T374] ? check_prev_add+0x194/0xce0 [ 39.099534][ T374] check_prev_add+0x194/0xce0 [ 39.099679][ T374] ? validate_chain+0x130/0x9b0 [ 39.099815][ T374] validate_chain+0x71d/0x9b0 [ 39.100034][ T374] ? mark_lock+0x38/0x3e0 [ 39.100137][ T374] ? __pfx_validate_chain+0x10/0x10 [ 39.100281][ T374] ? hlock_class+0x4e/0x130 [ 39.100417][ T374] ? mark_lock+0x38/0x3e0 [ 39.100528][ T374] __lock_acquire+0xaf0/0x1570 [ 39.100754][ T374] lock_acquire.part.0+0xeb/0x330 [ 39.100894][ T374] ? __get_task_comm+0x27/0x70 [ 39.101029][ T374] ? mark_lock+0x38/0x3e0 [ 39.101134][ T374] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 39.101350][ T374] ? trace_lock_acquire+0x135/0x1c0 [ 39.101484][ T374] ? __get_task_comm+0x27/0x70 [ 39.101620][ T374] ? lock_acquire+0x32/0xc0 [ 39.101763][ T374] ? __get_task_comm+0x27/0x70 [ 39.101986][ T374] _raw_spin_lock+0x30/0x40 [ 39.102121][ T374] ? __get_task_comm+0x27/0x70 [ 39.102257][ T374] __get_task_comm+0x27/0x70 [ 39.102396][ T374] ref_tracker_alloc+0x2ee/0x490 [ 39.102588][ T374] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 39.102815][ T374] ? dev_get_by_index+0x177/0x270 [ 39.102950][ T374] ? netdev_get_by_index+0x5e/0x80 [ 39.103084][ T374] ? fib6_nh_init+0x3d8/0x15b0 [ 39.103226][ T374] ? ip6_route_info_create+0xf18/0x17d0 [ 39.103469][ T374] ? addrconf_f6i_alloc+0x265/0x560 [ 39.103608][ T374] ? __ipv6_dev_ac_inc+0x25f/0xb10 [ 39.103745][ T374] ? addrconf_join_anycast+0x1c0/0x220 [ 39.103885][ T374] ? dev_forward_change+0x2a6/0x7b0 [ 39.104099][ T374] ? addrconf_fixup_forwarding+0x23f/0x460 [ 39.104266][ T374] ? addrconf_sysctl_forward+0x212/0x2b0 [ 39.104400][ T374] ? proc_sys_call_handler+0x403/0x5e0 [ 39.104541][ T374] ? vfs_write+0x9e5/0x10a0 [ 39.104763][ T374] ? ksys_write+0xf5/0x1e0 [ 39.104902][ T374] ? do_syscall_64+0xc6/0x1e0 [ 39.105036][ T374] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.105207][ T374] ? dev_get_by_index+0x177/0x270 [ 39.105423][ T374] netdev_get_by_index+0x5e/0x80 [ 39.105560][ T374] fib6_nh_init+0x3d8/0x15b0 [ 39.105695][ T374] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 39.105879][ T374] ? __pfx_fib6_nh_init+0x10/0x10 [ 39.106103][ T374] ? kasan_save_track+0x14/0x30 [ 39.106238][ T374] ? __kasan_kmalloc+0x7f/0x90 [ 39.106373][ T374] ? __kmalloc+0x1d7/0x3c0 [ 39.106519][ T374] ? fib6_get_table+0x116/0x290 [ 39.106814][ T374] ip6_route_info_create+0xf18/0x17d0 [ 39.106955][ T374] ? __lock_release+0x103/0x460 [ 39.107091][ T374] ? __pfx_ip6_route_info_create+0x10/0x10 [ 39.107262][ T374] ? addrconf_f6i_alloc+0x12d/0x560 [ 39.107490][ T374] addrconf_f6i_alloc+0x265/0x560 [ 39.107630][ T374] ? __pfx_addrconf_f6i_alloc+0x10/0x10 [ 39.107780][ T374] ? do_raw_write_lock+0x122/0x3b0 [ 39.107918][ T374] ? __pfx_do_raw_write_lock+0x10/0x10 [ 39.108053][ T374] ? lock_acquire+0x32/0xc0 [ 39.108289][ T374] __ipv6_dev_ac_inc+0x25f/0xb10 [ 39.108437][ T374] addrconf_join_anycast+0x1c0/0x220 [ 39.108588][ T374] ? mark_lock+0x38/0x3e0 [ 39.108699][ T374] ? __pfx_addrconf_join_anycast+0x10/0x10 [ 39.108955][ T374] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 39.109122][ T374] dev_forward_change+0x2a6/0x7b0 [ 39.109264][ T374] ? __pfx_dev_forward_change+0x10/0x10 [ 39.109402][ T374] addrconf_fixup_forwarding+0x23f/0x460 [ 39.109623][ T374] addrconf_sysctl_forward+0x212/0x2b0 [ 39.109764][ T374] ? __pfx_addrconf_sysctl_forward+0x10/0x10 [ 39.109950][ T374] ? __pfx_addrconf_sysctl_forward+0x10/0x10 [ 39.110118][ T374] ? trace_kmalloc+0x2a/0xe0 [ 39.110331][ T374] ? __kmalloc_node+0x220/0x400 [ 39.110472][ T374] ? proc_sys_call_handler+0x30b/0x5e0 [ 39.110614][ T374] proc_sys_call_handler+0x403/0x5e0 [ 39.110751][ T374] ? __pfx_proc_sys_call_handler+0x10/0x10 [ 39.110998][ T374] ? __lock_acquire+0xaf0/0x1570 [ 39.111140][ T374] vfs_write+0x9e5/0x10a0 [ 39.111244][ T374] ? do_user_addr_fault+0x449/0xbe0 [ 39.111379][ T374] ? __pfx_vfs_write+0x10/0x10 [ 39.111594][ T374] ? find_held_lock+0x2c/0x110 [ 39.111732][ T374] ? __pfx___lock_release+0x10/0x10 [ 39.111867][ T374] ? __fget_light+0x53/0x1e0 [ 39.112004][ T374] ksys_write+0xf5/0x1e0 [ 39.112107][ T374] ? __pfx_ksys_write+0x10/0x10 [ 39.112342][ T374] ? do_user_addr_fault+0x4bd/0xbe0 [ 39.112501][ T374] do_syscall_64+0xc6/0x1e0 [ 39.112650][ T374] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 39.112823][ T374] RIP: 0033:0x7f59d8182957 [ 39.113058][ T374] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 39.113645][ T374] RSP: 002b:00007ffd148b59f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.113874][ T374] RAX: ffffffffffffffda RBX: 000055de7b611360 RCX: 00007f59d8182957 [ 39.114077][ T374] RDX: 0000000000000002 RSI: 000055de7b6113a0 RDI: 0000000000000005 [ 39.114372][ T374] RBP: 000055de7b6134d0 R08: 0000000000000003 R09: 0000000000000077 [ 39.114578][ T374] R10: 000000000000006b R11: 0000000000000246 R12: 0000000000000002 [ 39.114792][ T374] R13: 0000000000000002 R14: 0000000000000002 R15: 00007f59d82399c0 [ 39.115091][ T374]