[ 9.502212][ T201] ip (201) used greatest stack depth: 23808 bytes left [ 10.878369][ T257] gre: GRE over IPv4 demultiplexer driver [ 10.896598][ T257] ip_gre: GRE over IPv4 tunneling driver [ 11.614097][ T280] 8021q: 802.1Q VLAN Support v1.8 [ 12.561865][ T321] GACT probability NOT on [ 85.190862][ T2244] ping6 (2244) used greatest stack depth: 23496 bytes left [ 440.162648][T17217] [ 440.162739][T17217] ======================================================== [ 440.162875][T17217] WARNING: possible irq lock inversion dependency detected [ 440.163002][T17217] 7.1.0-rc5-virtme #1 Not tainted [ 440.163086][T17217] -------------------------------------------------------- [ 440.163207][T17217] sysctl/17217 just changed the state of lock: [ 440.163310][T17217] ffffffffb3f7e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 440.163470][T17217] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 440.163593][T17217] (&ndev->lock){++--}-{3:3} [ 440.163595][T17217] [ 440.163595][T17217] [ 440.163595][T17217] and interrupts could create inverse lock ordering between them. [ 440.163595][T17217] [ 440.163909][T17217] [ 440.163909][T17217] other info that might help us debug this: [ 440.164039][T17217] Possible interrupt unsafe locking scenario: [ 440.164039][T17217] [ 440.164163][T17217] CPU0 CPU1 [ 440.164250][T17217] ---- ---- [ 440.164378][T17217] lock(acaddr_hash_lock); [ 440.164466][T17217] local_irq_disable(); [ 440.164569][T17217] lock(&ndev->lock); [ 440.164721][T17217] lock(acaddr_hash_lock); [ 440.164828][T17217] [ 440.164891][T17217] lock(&ndev->lock); [ 440.164955][T17217] [ 440.164955][T17217] *** DEADLOCK *** [ 440.164955][T17217] [ 440.165119][T17217] 2 locks held by sysctl/17217: [ 440.165206][T17217] #0: ff11000005bac3e0 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 440.165357][T17217] #1: ffffffffb3e8c9c0 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_fixup_forwarding+0x4d/0x4d0 [ 440.165568][T17217] [ 440.165568][T17217] the shortest dependencies between 2nd lock and 1st lock: [ 440.165721][T17217] -> (&ndev->lock){++--}-{3:3} { [ 440.165810][T17217] HARDIRQ-ON-W at: [ 440.165917][T17217] __lock_acquire+0x378/0xc10 [ 440.166029][T17217] lock_acquire.part.0+0xbc/0x260 [ 440.166135][T17217] _raw_write_lock_bh+0x38/0x50 [ 440.166284][T17217] addrconf_permanent_addr+0x108/0x9c0 [ 440.166411][T17217] addrconf_notify+0x151/0xf30 [ 440.166520][T17217] notifier_call_chain+0xb0/0x320 [ 440.166676][T17217] __dev_notify_flags+0xde/0x280 [ 440.166784][T17217] netif_change_flags+0xfe/0x190 [ 440.166887][T17217] do_setlink.isra.0+0x1cc3/0x2750 [ 440.167040][T17217] rtnl_newlink+0x8d1/0xef0 [ 440.167146][T17217] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 440.167252][T17217] netlink_rcv_skb+0x14e/0x3a0 [ 440.167360][T17217] netlink_unicast+0x486/0x750 [ 440.167513][T17217] netlink_sendmsg+0x735/0xc60 [ 440.167616][T17217] ____sys_sendmsg+0x419/0x850 [ 440.167728][T17217] ___sys_sendmsg+0x14e/0x1d0 [ 440.167878][T17217] __sys_sendmsg+0x145/0x1f0 [ 440.167985][T17217] do_syscall_64+0x117/0x590 [ 440.168088][T17217] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 440.168260][T17217] HARDIRQ-ON-R at: [ 440.168322][T17217] __lock_acquire+0x378/0xc10 [ 440.168426][T17217] lock_acquire.part.0+0xbc/0x260 [ 440.168578][T17217] _raw_read_lock_bh+0x44/0x80 [ 440.168694][T17217] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 440.168823][T17217] inet6_fill_link_af+0x5c/0xe0 [ 440.168977][T17217] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 440.169100][T17217] rtnl_getlink+0x9c9/0xeb0 [ 440.169203][T17217] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 440.169351][T17217] netlink_rcv_skb+0x14e/0x3a0 [ 440.169459][T17217] netlink_unicast+0x486/0x750 [ 440.169582][T17217] netlink_sendmsg+0x735/0xc60 [ 440.169695][T17217] ____sys_sendmsg+0x419/0x850 [ 440.169801][T17217] ___sys_sendmsg+0x14e/0x1d0 [ 440.169908][T17217] __sys_sendmsg+0x145/0x1f0 [ 440.170014][T17217] do_syscall_64+0x117/0x590 [ 440.170161][T17217] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 440.170295][T17217] IN-SOFTIRQ-W at: [ 440.170361][T17217] __lock_acquire+0x378/0xc10 [ 440.170520][T17217] lock_acquire.part.0+0xbc/0x260 [ 440.170632][T17217] _raw_write_lock+0x33/0x40 [ 440.170740][T17217] addrconf_rs_timer+0xb0/0x770 [ 440.170890][T17217] call_timer_fn+0x163/0x4f0 [ 440.170994][T17217] __run_timers+0x68f/0xab0 [ 440.171097][T17217] run_timer_softirq+0xf0/0x160 [ 440.171201][T17217] handle_softirqs+0x1d8/0x940 [ 440.171352][T17217] __irq_exit_rcu+0x103/0x1c0 [ 440.171458][T17217] irq_exit_rcu+0xe/0x30 [ 440.171566][T17217] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 440.171782][T17217] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 440.171905][T17217] pv_native_safe_halt+0xf/0x10 [ 440.172009][T17217] default_idle+0x9/0x10 [ 440.172157][T17217] default_idle_call+0x6e/0xb0 [ 440.172262][T17217] cpuidle_idle_call.constprop.0+0x237/0x410 [ 440.172389][T17217] do_idle+0xf5/0x160 [ 440.172543][T17217] cpu_startup_entry+0x53/0x70 [ 440.172650][T17217] start_secondary+0x204/0x2b0 [ 440.172754][T17217] common_startup_64+0x13e/0x148 [ 440.172904][T17217] IN-SOFTIRQ-R at: [ 440.172965][T17217] __lock_acquire+0x378/0xc10 [ 440.173069][T17217] lock_acquire.part.0+0xbc/0x260 [ 440.173214][T17217] _raw_read_lock_bh+0x44/0x80 [ 440.173318][T17217] ipv6_get_lladdr+0xa8/0x3f0 [ 440.173422][T17217] ndisc_send_ns+0xf3/0x120 [ 440.173532][T17217] ndisc_solicit+0x314/0x480 [ 440.173687][T17217] neigh_probe+0xb3/0x100 [ 440.173794][T17217] __neigh_event_send+0x802/0x1070 [ 440.173899][T17217] neigh_resolve_output+0xbe/0x140 [ 440.174047][T17217] ip6_finish_output2+0x423/0x1300 [ 440.174150][T17217] ip6_finish_output+0x646/0xda0 [ 440.174253][T17217] ip6_output+0x23f/0x7f0 [ 440.174403][T17217] ip6_forward+0x10f4/0x2bd0 [ 440.174512][T17217] ip6_sublist_rcv_finish+0x9e/0x2a0 [ 440.174617][T17217] ip6_list_rcv_finish.constprop.0+0x60d/0xaa0 [ 440.174745][T17217] ipv6_list_rcv+0x32c/0x510 [ 440.174849][T17217] __netif_receive_skb_list_core+0x4ac/0x9e0 [ 440.174977][T17217] netif_receive_skb_list_internal+0x5f8/0xe20 [ 440.175144][T17217] napi_complete_done+0x1aa/0x8c0 [ 440.175246][T17217] gro_cell_poll+0x302/0x540 [ 440.175351][T17217] __napi_poll+0xd4/0x3b0 [ 440.175502][T17217] net_rx_action+0x513/0xf50 [ 440.175606][T17217] handle_softirqs+0x1d8/0x940 [ 440.175718][T17217] do_softirq+0xa9/0xe0 [ 440.175864][T17217] __local_bh_enable_ip+0x113/0x140 [ 440.175969][T17217] __neigh_event_send+0x30a/0x1070 [ 440.176072][T17217] neigh_resolve_output+0xbe/0x140 [ 440.176221][T17217] ip6_finish_output2+0x423/0x1300 [ 440.176328][T17217] ip6_finish_output+0x646/0xda0 [ 440.176433][T17217] ip6_output+0x23f/0x7f0 [ 440.176539][T17217] ip6_send_skb+0xee/0x350 [ 440.176692][T17217] rawv6_push_pending_frames+0x4cb/0xa90 [ 440.176814][T17217] rawv6_sendmsg+0x1434/0x1a50 [ 440.176920][T17217] __sys_sendto+0x2c9/0x400 [ 440.177067][T17217] __x64_sys_sendto+0xe4/0x1f0 [ 440.177170][T17217] do_syscall_64+0x117/0x590 [ 440.177276][T17217] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 440.177445][T17217] INITIAL USE at: [ 440.177510][T17217] __lock_acquire+0x378/0xc10 [ 440.177615][T17217] lock_acquire.part.0+0xbc/0x260 [ 440.177724][T17217] _raw_write_lock_bh+0x38/0x50 [ 440.177828][T17217] addrconf_permanent_addr+0x108/0x9c0 [ 440.177953][T17217] addrconf_notify+0x151/0xf30 [ 440.178101][T17217] notifier_call_chain+0xb0/0x320 [ 440.178205][T17217] __dev_notify_flags+0xde/0x280 [ 440.178309][T17217] netif_change_flags+0xfe/0x190 [ 440.178462][T17217] do_setlink.isra.0+0x1cc3/0x2750 [ 440.178565][T17217] rtnl_newlink+0x8d1/0xef0 [ 440.178676][T17217] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 440.178780][T17217] netlink_rcv_skb+0x14e/0x3a0 [ 440.178925][T17217] netlink_unicast+0x486/0x750 [ 440.179026][T17217] netlink_sendmsg+0x735/0xc60 [ 440.179129][T17217] ____sys_sendmsg+0x419/0x850 [ 440.179275][T17217] ___sys_sendmsg+0x14e/0x1d0 [ 440.179378][T17217] __sys_sendmsg+0x145/0x1f0 [ 440.179485][T17217] do_syscall_64+0x117/0x590 [ 440.179639][T17217] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 440.179765][T17217] INITIAL READ USE at: [ 440.179846][T17217] __lock_acquire+0x378/0xc10 [ 440.179993][T17217] lock_acquire.part.0+0xbc/0x260 [ 440.180118][T17217] _raw_read_lock_bh+0x44/0x80 [ 440.180220][T17217] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 440.180390][T17217] inet6_fill_link_af+0x5c/0xe0 [ 440.180495][T17217] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 440.180617][T17217] rtnl_getlink+0x9c9/0xeb0 [ 440.180771][T17217] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 440.180876][T17217] netlink_rcv_skb+0x14e/0x3a0 [ 440.180980][T17217] netlink_unicast+0x486/0x750 [ 440.181128][T17217] netlink_sendmsg+0x735/0xc60 [ 440.181231][T17217] ____sys_sendmsg+0x419/0x850 [ 440.181336][T17217] ___sys_sendmsg+0x14e/0x1d0 [ 440.181486][T17217] __sys_sendmsg+0x145/0x1f0 [ 440.181588][T17217] do_syscall_64+0x117/0x590 [ 440.181695][T17217] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 440.181864][T17217] } [ 440.181908][T17217] ... key at: [] __key.37+0x0/0x40 [ 440.182042][T17217] ... acquired at: [ 440.182106][T17217] __lock_acquire+0x508/0xc10 [ 440.182194][T17217] lock_acquire.part.0+0xbc/0x260 [ 440.182320][T17217] _raw_spin_lock+0x33/0x40 [ 440.182402][T17217] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 440.182509][T17217] __ipv6_dev_ac_inc+0x57e/0x930 [ 440.182640][T17217] addrconf_join_anycast+0x1bc/0x260 [ 440.182726][T17217] dev_forward_change+0x2be/0x850 [ 440.182808][T17217] addrconf_fixup_forwarding+0x2af/0x4d0 [ 440.182911][T17217] addrconf_sysctl_forward+0x209/0x2b0 [ 440.183041][T17217] proc_sys_call_handler+0x31b/0x480 [ 440.183130][T17217] new_sync_write+0x333/0x750 [ 440.183213][T17217] vfs_write+0x6a4/0xc10 [ 440.183299][T17217] ksys_write+0x116/0x250 [ 440.183423][T17217] do_syscall_64+0x117/0x590 [ 440.183509][T17217] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 440.183611][T17217] [ 440.183656][T17217] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 440.183783][T17217] HARDIRQ-ON-W at: [ 440.183846][T17217] __lock_acquire+0x378/0xc10 [ 440.183949][T17217] lock_acquire.part.0+0xbc/0x260 [ 440.184053][T17217] _raw_spin_lock+0x33/0x40 [ 440.184201][T17217] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 440.184322][T17217] __ipv6_dev_ac_inc+0x57e/0x930 [ 440.184426][T17217] addrconf_join_anycast+0x1bc/0x260 [ 440.184579][T17217] dev_forward_change+0x2be/0x850 [ 440.184690][T17217] addrconf_fixup_forwarding+0x2af/0x4d0 [ 440.184814][T17217] addrconf_sysctl_forward+0x209/0x2b0 [ 440.184960][T17217] proc_sys_call_handler+0x31b/0x480 [ 440.185062][T17217] new_sync_write+0x333/0x750 [ 440.185163][T17217] vfs_write+0x6a4/0xc10 [ 440.185312][T17217] ksys_write+0x116/0x250 [ 440.185414][T17217] do_syscall_64+0x117/0x590 [ 440.185519][T17217] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 440.185691][T17217] SOFTIRQ-ON-W at: [ 440.185753][T17217] __lock_acquire+0x378/0xc10 [ 440.185857][T17217] lock_acquire.part.0+0xbc/0x260 [ 440.185961][T17217] _raw_spin_lock+0x33/0x40 [ 440.186106][T17217] __ipv6_dev_ac_dec+0x236/0x5d0 [ 440.186209][T17217] addrconf_leave_anycast+0x1bc/0x260 [ 440.186312][T17217] dev_forward_change+0x3b3/0x850 [ 440.186464][T17217] addrconf_fixup_forwarding+0x2af/0x4d0 [ 440.186587][T17217] addrconf_sysctl_forward+0x209/0x2b0 [ 440.186696][T17217] proc_sys_call_handler+0x31b/0x480 [ 440.186842][T17217] new_sync_write+0x333/0x750 [ 440.186948][T17217] vfs_write+0x6a4/0xc10 [ 440.187050][T17217] ksys_write+0x116/0x250 [ 440.187196][T17217] do_syscall_64+0x117/0x590 [ 440.187303][T17217] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 440.187425][T17217] INITIAL USE at: [ 440.187492][T17217] __lock_acquire+0x378/0xc10 [ 440.187644][T17217] lock_acquire.part.0+0xbc/0x260 [ 440.187746][T17217] _raw_spin_lock+0x33/0x40 [ 440.187847][T17217] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 440.188020][T17217] __ipv6_dev_ac_inc+0x57e/0x930 [ 440.188123][T17217] addrconf_join_anycast+0x1bc/0x260 [ 440.188228][T17217] dev_forward_change+0x2be/0x850 [ 440.188374][T17217] addrconf_fixup_forwarding+0x2af/0x4d0 [ 440.188499][T17217] addrconf_sysctl_forward+0x209/0x2b0 [ 440.188606][T17217] proc_sys_call_handler+0x31b/0x480 [ 440.188757][T17217] new_sync_write+0x333/0x750 [ 440.188861][T17217] vfs_write+0x6a4/0xc10 [ 440.188965][T17217] ksys_write+0x116/0x250 [ 440.189112][T17217] do_syscall_64+0x117/0x590 [ 440.189212][T17217] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 440.189342][T17217] } [ 440.189384][T17217] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 440.189551][T17217] ... acquired at: [ 440.189611][T17217] mark_lock+0x1d7/0xa00 [ 440.189699][T17217] mark_usage+0x105/0x170 [ 440.189824][T17217] __lock_acquire+0x378/0xc10 [ 440.189906][T17217] lock_acquire.part.0+0xbc/0x260 [ 440.189991][T17217] _raw_spin_lock+0x33/0x40 [ 440.190072][T17217] __ipv6_dev_ac_dec+0x236/0x5d0 [ 440.190197][T17217] addrconf_leave_anycast+0x1bc/0x260 [ 440.190281][T17217] dev_forward_change+0x3b3/0x850 [ 440.190363][T17217] addrconf_fixup_forwarding+0x2af/0x4d0 [ 440.190468][T17217] addrconf_sysctl_forward+0x209/0x2b0 [ 440.190594][T17217] proc_sys_call_handler+0x31b/0x480 [ 440.190684][T17217] new_sync_write+0x333/0x750 [ 440.190767][T17217] vfs_write+0x6a4/0xc10 [ 440.190853][T17217] ksys_write+0x116/0x250 [ 440.190981][T17217] do_syscall_64+0x117/0x590 [ 440.191062][T17217] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 440.191163][T17217] [ 440.191203][T17217] [ 440.191203][T17217] stack backtrace: [ 440.191349][T17217] CPU: 0 UID: 0 PID: 17217 Comm: sysctl Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 440.191353][T17217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 440.191355][T17217] Call Trace: [ 440.191356][T17217] [ 440.191357][T17217] dump_stack_lvl+0x6f/0xa0 [ 440.191363][T17217] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 440.191366][T17217] mark_lock_irq+0x989/0x9c0 [ 440.191369][T17217] mark_lock+0x1d7/0xa00 [ 440.191371][T17217] mark_usage+0x105/0x170 [ 440.191372][T17217] __lock_acquire+0x378/0xc10 [ 440.191374][T17217] lock_acquire.part.0+0xbc/0x260 [ 440.191376][T17217] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 440.191377][T17217] ? rcu_is_watching+0x15/0xd0 [ 440.191380][T17217] ? do_raw_read_unlock+0x70/0x70 [ 440.191382][T17217] ? lock_acquire+0x134/0x160 [ 440.191384][T17217] _raw_spin_lock+0x33/0x40 [ 440.191386][T17217] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 440.191387][T17217] __ipv6_dev_ac_dec+0x236/0x5d0 [ 440.191389][T17217] addrconf_leave_anycast+0x1bc/0x260 [ 440.191391][T17217] ? find_held_lock+0x2b/0x80 [ 440.191394][T17217] ? __ipv6_isatap_ifid+0x210/0x210 [ 440.191396][T17217] ? mark_held_locks+0x40/0x70 [ 440.191397][T17217] ? lockdep_hardirqs_on+0x8c/0x130 [ 440.191399][T17217] dev_forward_change+0x3b3/0x850 [ 440.191402][T17217] ? addrconf_fixup_forwarding+0x4d/0x4d0 [ 440.191404][T17217] ? addrconf_sysctl_proxy_ndp+0x2f0/0x2f0 [ 440.191407][T17217] addrconf_fixup_forwarding+0x2af/0x4d0 [ 440.191409][T17217] addrconf_sysctl_forward+0x209/0x2b0 [ 440.191411][T17217] ? addrconf_fixup_forwarding+0x4d0/0x4d0 [ 440.191413][T17217] ? addrconf_fixup_forwarding+0x4d0/0x4d0 [ 440.191416][T17217] ? __kvmalloc_node_noprof+0x305/0x8a0 [ 440.191419][T17217] ? proc_sys_call_handler+0x25d/0x480 [ 440.191421][T17217] proc_sys_call_handler+0x31b/0x480 [ 440.191424][T17217] ? proc_sys_lookup+0x3d0/0x3d0 [ 440.191426][T17217] ? rcu_read_unlock+0x1b/0x70 [ 440.191428][T17217] ? do_raw_spin_unlock+0x59/0x250 [ 440.191430][T17217] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 440.191432][T17217] ? rcu_read_lock_any_held+0x3c/0x90 [ 440.191434][T17217] ? proc_sys_call_handler+0x480/0x480 [ 440.191436][T17217] new_sync_write+0x333/0x750 [ 440.191437][T17217] ? __lock_acquire+0x508/0xc10 [ 440.191439][T17217] ? new_sync_read+0x740/0x740 [ 440.191440][T17217] ? lock_acquire.part.0+0xbc/0x260 [ 440.191442][T17217] ? ksys_write+0x116/0x250 [ 440.191444][T17217] vfs_write+0x6a4/0xc10 [ 440.191446][T17217] ksys_write+0x116/0x250 [ 440.191448][T17217] ? __ia32_sys_read+0xc0/0xc0 [ 440.191451][T17217] ? rcu_is_watching+0x15/0xd0 [ 440.191453][T17217] ? rcu_is_watching+0x15/0xd0 [ 440.191456][T17217] do_syscall_64+0x117/0x590 [ 440.191457][T17217] ? trace_hardirqs_off+0xd/0x30 [ 440.191460][T17217] ? exc_page_fault+0xee/0x100 [ 440.191462][T17217] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 440.191464][T17217] RIP: 0033:0x7fd8ff93a08e [ 440.191467][T17217] 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 [ 440.191469][T17217] RSP: 002b:00007fff24c11740 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 440.191472][T17217] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd8ff93a08e [ 440.191473][T17217] RDX: 0000000000000002 RSI: 000056467dd5a4b0 RDI: 0000000000000005 [ 440.191474][T17217] RBP: 00007fff24c11750 R08: 0000000000000000 R09: 0000000000000000 [ 440.191475][T17217] R10: 0000000000000000 R11: 0000000000000202 R12: 000056467dd5c5e0 [ 440.191476][T17217] R13: 000056467dd5a470 R14: 0000000000000002 R15: 0000000000000000 [ 440.191478][T17217]