[ 88.624126][ T778] [ 88.624299][ T778] ===================================================== [ 88.624484][ T778] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 88.624704][ T778] 6.9.0-rc1-virtme #1 Not tainted [ 88.624848][ T778] ----------------------------------------------------- [ 88.625024][ T778] ip/778 [HC0[0]:SC0[2]:HE1:SE0] is trying to acquire: [ 88.625202][ T778] ffff8880090cac28 (&p->alloc_lock){+.+.}-{2:2}, at: __get_task_comm+0x27/0x70 [ 88.625469][ T778] [ 88.625469][ T778] and this task is already holding: [ 88.625685][ T778] ffff88803603f218 (&ul->lock){+.-.}-{2:2}, at: rt6_uncached_list_flush_dev+0x138/0x840 [ 88.625945][ T778] which would create a new lock dependency: [ 88.626123][ T778] (&ul->lock){+.-.}-{2:2} -> (&p->alloc_lock){+.+.}-{2:2} [ 88.626343][ T778] [ 88.626343][ T778] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 88.626587][ T778] (&ul->lock){+.-.}-{2:2} [ 88.626591][ T778] [ 88.626591][ T778] ... which became SOFTIRQ-irq-safe at: [ 88.626945][ T778] __lock_acquire+0x797/0x1570 [ 88.627093][ T778] lock_acquire.part.0+0xeb/0x330 [ 88.627246][ T778] _raw_spin_lock_bh+0x38/0x50 [ 88.627398][ T778] rt6_uncached_list_del+0x77/0x200 [ 88.627541][ T778] ip6_dst_destroy+0x74/0x1e0 [ 88.627684][ T778] dst_destroy+0xbc/0x370 [ 88.627829][ T778] rcu_do_batch+0x3c0/0xfb0 [ 88.627977][ T778] rcu_core+0x2be/0x500 [ 88.628086][ T778] __do_softirq+0x1f8/0x5df [ 88.628230][ T778] irq_exit_rcu+0x97/0xc0 [ 88.628374][ T778] sysvec_apic_timer_interrupt+0x75/0x80 [ 88.628520][ T778] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 88.628707][ T778] default_idle+0xf/0x20 [ 88.628815][ T778] default_idle_call+0x6d/0xb0 [ 88.628959][ T778] cpuidle_idle_call+0x1f4/0x280 [ 88.629105][ T778] do_idle+0xf9/0x160 [ 88.629213][ T778] cpu_startup_entry+0x54/0x60 [ 88.629356][ T778] rest_init+0x14f/0x260 [ 88.629465][ T778] start_kernel+0x318/0x3d0 [ 88.629611][ T778] x86_64_start_reservations+0x18/0x30 [ 88.629756][ T778] x86_64_start_kernel+0xba/0x110 [ 88.629900][ T778] common_startup_64+0x12c/0x138 [ 88.630043][ T778] [ 88.630043][ T778] to a SOFTIRQ-irq-unsafe lock: [ 88.630220][ T778] (&p->alloc_lock){+.+.}-{2:2} [ 88.630224][ T778] [ 88.630224][ T778] ... which became SOFTIRQ-irq-unsafe at: [ 88.630576][ T778] ... [ 88.630577][ T778] __lock_acquire+0x797/0x1570 [ 88.630794][ T778] lock_acquire.part.0+0xeb/0x330 [ 88.630938][ T778] _raw_spin_lock+0x30/0x40 [ 88.631081][ T778] set_mems_allowed+0x1d/0x210 [ 88.631225][ T778] kernel_init_freeable+0x72/0x310 [ 88.631370][ T778] kernel_init+0x20/0x200 [ 88.631514][ T778] ret_from_fork+0x31/0x70 [ 88.631660][ T778] ret_from_fork_asm+0x1a/0x30 [ 88.631805][ T778] [ 88.631805][ T778] other info that might help us debug this: [ 88.631805][ T778] [ 88.632083][ T778] Possible interrupt unsafe locking scenario: [ 88.632083][ T778] [ 88.632296][ T778] CPU0 CPU1 [ 88.632444][ T778] ---- ---- [ 88.632591][ T778] lock(&p->alloc_lock); [ 88.632710][ T778] local_irq_disable(); [ 88.632889][ T778] lock(&ul->lock); [ 88.633068][ T778] lock(&p->alloc_lock); [ 88.633247][ T778] [ 88.633356][ T778] lock(&ul->lock); [ 88.633466][ T778] [ 88.633466][ T778] *** DEADLOCK *** [ 88.633466][ T778] [ 88.633679][ T778] 2 locks held by ip/778: [ 88.633789][ T778] #0: ffffffffb17b7208 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xbf0 [ 88.634048][ T778] #1: ffff88803603f218 (&ul->lock){+.-.}-{2:2}, at: rt6_uncached_list_flush_dev+0x138/0x840 [ 88.634349][ T778] [ 88.634349][ T778] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 88.634631][ T778] -> (&ul->lock){+.-.}-{2:2} { [ 88.634783][ T778] HARDIRQ-ON-W at: [ 88.634895][ T778] __lock_acquire+0x797/0x1570 [ 88.635079][ T778] lock_acquire.part.0+0xeb/0x330 [ 88.635262][ T778] _raw_spin_lock_bh+0x38/0x50 [ 88.635445][ T778] rt6_uncached_list_add+0x55/0x1b0 [ 88.635625][ T778] icmp6_dst_alloc+0x2c0/0x450 [ 88.635807][ T778] ndisc_send_skb+0xd80/0x1230 [ 88.635995][ T778] addrconf_dad_completed+0x397/0xe20 [ 88.636176][ T778] addrconf_dad_begin+0x310/0x670 [ 88.636358][ T778] addrconf_dad_work+0x10b/0xab0 [ 88.636540][ T778] process_one_work+0xe2c/0x1730 [ 88.636723][ T778] worker_thread+0x587/0xd30 [ 88.636905][ T778] kthread+0x28a/0x350 [ 88.637055][ T778] ret_from_fork+0x31/0x70 [ 88.637239][ T778] ret_from_fork_asm+0x1a/0x30 [ 88.637423][ T778] IN-SOFTIRQ-W at: [ 88.637533][ T778] __lock_acquire+0x797/0x1570 [ 88.637714][ T778] lock_acquire.part.0+0xeb/0x330 [ 88.637897][ T778] _raw_spin_lock_bh+0x38/0x50 [ 88.638080][ T778] rt6_uncached_list_del+0x77/0x200 [ 88.638265][ T778] ip6_dst_destroy+0x74/0x1e0 [ 88.638448][ T778] dst_destroy+0xbc/0x370 [ 88.638629][ T778] rcu_do_batch+0x3c0/0xfb0 [ 88.638810][ T778] rcu_core+0x2be/0x500 [ 88.638995][ T778] __do_softirq+0x1f8/0x5df [ 88.639177][ T778] irq_exit_rcu+0x97/0xc0 [ 88.639361][ T778] sysvec_apic_timer_interrupt+0x75/0x80 [ 88.639583][ T778] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 88.639804][ T778] default_idle+0xf/0x20 [ 88.639987][ T778] default_idle_call+0x6d/0xb0 [ 88.640168][ T778] cpuidle_idle_call+0x1f4/0x280 [ 88.640353][ T778] do_idle+0xf9/0x160 [ 88.640499][ T778] cpu_startup_entry+0x54/0x60 [ 88.640683][ T778] rest_init+0x14f/0x260 [ 88.640866][ T778] start_kernel+0x318/0x3d0 [ 88.641049][ T778] x86_64_start_reservations+0x18/0x30 [ 88.641230][ T778] x86_64_start_kernel+0xba/0x110 [ 88.641410][ T778] common_startup_64+0x12c/0x138 [ 88.641690][ T778] INITIAL USE at: [ 88.641802][ T778] __lock_acquire+0x797/0x1570 [ 88.641987][ T778] lock_acquire.part.0+0xeb/0x330 [ 88.642169][ T778] _raw_spin_lock_bh+0x38/0x50 [ 88.642352][ T778] rt6_uncached_list_add+0x55/0x1b0 [ 88.642537][ T778] icmp6_dst_alloc+0x2c0/0x450 [ 88.642718][ T778] ndisc_send_skb+0xd80/0x1230 [ 88.642900][ T778] addrconf_dad_completed+0x397/0xe20 [ 88.643084][ T778] addrconf_dad_begin+0x310/0x670 [ 88.643264][ T778] addrconf_dad_work+0x10b/0xab0 [ 88.643443][ T778] process_one_work+0xe2c/0x1730 [ 88.643716][ T778] worker_thread+0x587/0xd30 [ 88.643905][ T778] kthread+0x28a/0x350 [ 88.644051][ T778] ret_from_fork+0x31/0x70 [ 88.644239][ T778] ret_from_fork_asm+0x1a/0x30 [ 88.644421][ T778] } [ 88.644496][ T778] ... key at: [] __key.15+0x0/0x40 [ 88.644713][ T778] [ 88.644713][ T778] the dependencies between the lock to be acquired [ 88.644714][ T778] and SOFTIRQ-irq-unsafe lock: [ 88.645103][ T778] -> (&p->alloc_lock){+.+.}-{2:2} { [ 88.645253][ T778] HARDIRQ-ON-W at: [ 88.645367][ T778] __lock_acquire+0x797/0x1570 [ 88.645642][ T778] lock_acquire.part.0+0xeb/0x330 [ 88.645825][ T778] _raw_spin_lock+0x30/0x40 [ 88.646008][ T778] set_mems_allowed+0x1d/0x210 [ 88.646280][ T778] kernel_init_freeable+0x72/0x310 [ 88.646463][ T778] kernel_init+0x20/0x200 [ 88.646646][ T778] ret_from_fork+0x31/0x70 [ 88.646839][ T778] ret_from_fork_asm+0x1a/0x30 [ 88.647110][ T778] SOFTIRQ-ON-W at: [ 88.647221][ T778] __lock_acquire+0x797/0x1570 [ 88.647405][ T778] lock_acquire.part.0+0xeb/0x330 [ 88.647682][ T778] _raw_spin_lock+0x30/0x40 [ 88.647865][ T778] set_mems_allowed+0x1d/0x210 [ 88.648048][ T778] kernel_init_freeable+0x72/0x310 [ 88.648231][ T778] kernel_init+0x20/0x200 [ 88.648418][ T778] ret_from_fork+0x31/0x70 [ 88.648622][ T778] ret_from_fork_asm+0x1a/0x30 [ 88.648805][ T778] INITIAL USE at: [ 88.648916][ T778] __lock_acquire+0x797/0x1570 [ 88.649187][ T778] lock_acquire.part.0+0xeb/0x330 [ 88.649372][ T778] _raw_spin_lock+0x30/0x40 [ 88.649556][ T778] set_mems_allowed+0x1d/0x210 [ 88.649827][ T778] kernel_init_freeable+0x72/0x310 [ 88.650010][ T778] kernel_init+0x20/0x200 [ 88.650191][ T778] ret_from_fork+0x31/0x70 [ 88.650464][ T778] ret_from_fork_asm+0x1a/0x30 [ 88.650645][ T778] } [ 88.650721][ T778] ... key at: [] __key.388+0x0/0x40 [ 88.650945][ T778] ... acquired at: [ 88.651055][ T778] check_prev_add+0x194/0xce0 [ 88.651289][ T778] validate_chain+0x71d/0x9b0 [ 88.651434][ T778] __lock_acquire+0xaf0/0x1570 [ 88.651578][ T778] lock_acquire.part.0+0xeb/0x330 [ 88.651722][ T778] _raw_spin_lock+0x30/0x40 [ 88.651954][ T778] __get_task_comm+0x27/0x70 [ 88.652100][ T778] ref_tracker_alloc+0x2ee/0x490 [ 88.652249][ T778] rt6_uncached_list_flush_dev+0x494/0x840 [ 88.652434][ T778] rt6_disable_ip+0xd9/0x140 [ 88.652672][ T778] addrconf_ifdown.isra.0+0x103/0x1560 [ 88.652819][ T778] addrconf_notify+0xd1/0xd60 [ 88.652964][ T778] notifier_call_chain+0xcd/0x150 [ 88.653109][ T778] __dev_notify_flags+0x170/0x250 [ 88.653257][ T778] dev_change_flags+0xec/0x160 [ 88.653401][ T778] do_setlink+0x7d6/0x21e0 [ 88.653549][ T778] __rtnl_newlink+0xaa7/0xd80 [ 88.653694][ T778] rtnl_newlink+0x63/0xa0 [ 88.653840][ T778] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 88.653986][ T778] netlink_rcv_skb+0x130/0x360 [ 88.654133][ T778] netlink_unicast+0x449/0x710 [ 88.654278][ T778] netlink_sendmsg+0x723/0xbe0 [ 88.654425][ T778] ____sys_sendmsg+0x7b2/0xa10 [ 88.654658][ T778] ___sys_sendmsg+0xee/0x170 [ 88.654809][ T778] __sys_sendmsg+0xcd/0x170 [ 88.654957][ T778] do_syscall_64+0xc6/0x1e0 [ 88.655104][ T778] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 88.655373][ T778] [ 88.655447][ T778] [ 88.655447][ T778] stack backtrace: [ 88.655625][ T778] CPU: 3 PID: 778 Comm: ip Not tainted 6.9.0-rc1-virtme #1 [ 88.655841][ T778] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 88.656248][ T778] Call Trace: [ 88.656364][ T778] [ 88.656440][ T778] dump_stack_lvl+0x82/0xd0 [ 88.656691][ T778] print_bad_irq_dependency+0x957/0xd40 [ 88.656839][ T778] ? hlock_class+0x4e/0x130 [ 88.656984][ T778] ? __pfx_print_bad_irq_dependency+0x10/0x10 [ 88.657163][ T778] ? __pfx_usage_skip+0x10/0x10 [ 88.657307][ T778] ? __bfs+0x246/0x650 [ 88.657420][ T778] ? __pfx_usage_match+0x10/0x10 [ 88.657570][ T778] check_irq_usage+0x596/0x850 [ 88.657717][ T778] ? __pfx_check_irq_usage+0x10/0x10 [ 88.657864][ T778] ? __bfs+0x246/0x650 [ 88.657974][ T778] ? __pfx_hlock_conflict+0x10/0x10 [ 88.658122][ T778] ? check_path.constprop.0+0x24/0x50 [ 88.658268][ T778] ? check_noncircular+0x14c/0x3e0 [ 88.658413][ T778] ? __pfx_check_noncircular+0x10/0x10 [ 88.658657][ T778] ? check_prev_add+0x194/0xce0 [ 88.658804][ T778] check_prev_add+0x194/0xce0 [ 88.658950][ T778] ? validate_chain+0x130/0x9b0 [ 88.659097][ T778] validate_chain+0x71d/0x9b0 [ 88.659244][ T778] ? mark_lock+0x38/0x3e0 [ 88.659354][ T778] ? __pfx_validate_chain+0x10/0x10 [ 88.659498][ T778] ? hlock_class+0x4e/0x130 [ 88.659644][ T778] ? mark_lock+0x38/0x3e0 [ 88.659755][ T778] __lock_acquire+0xaf0/0x1570 [ 88.659990][ T778] lock_acquire.part.0+0xeb/0x330 [ 88.660139][ T778] ? __get_task_comm+0x27/0x70 [ 88.660285][ T778] ? mark_lock+0x38/0x3e0 [ 88.660395][ T778] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 88.660539][ T778] ? trace_lock_acquire+0x135/0x1c0 [ 88.660777][ T778] ? __get_task_comm+0x27/0x70 [ 88.660922][ T778] ? lock_acquire+0x32/0xc0 [ 88.661065][ T778] ? __get_task_comm+0x27/0x70 [ 88.661210][ T778] _raw_spin_lock+0x30/0x40 [ 88.661355][ T778] ? __get_task_comm+0x27/0x70 [ 88.661502][ T778] __get_task_comm+0x27/0x70 [ 88.661648][ T778] ref_tracker_alloc+0x2ee/0x490 [ 88.661794][ T778] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 88.662028][ T778] ? __lock_release+0x103/0x460 [ 88.662173][ T778] ? rt6_uncached_list_flush_dev+0x494/0x840 [ 88.662354][ T778] ? rt6_disable_ip+0xd9/0x140 [ 88.662502][ T778] ? addrconf_ifdown.isra.0+0x103/0x1560 [ 88.662736][ T778] ? addrconf_notify+0xd1/0xd60 [ 88.662885][ T778] ? notifier_call_chain+0xcd/0x150 [ 88.663032][ T778] ? __dev_notify_flags+0x170/0x250 [ 88.663178][ T778] ? dev_change_flags+0xec/0x160 [ 88.663324][ T778] ? do_setlink+0x7d6/0x21e0 [ 88.663555][ T778] ? __rtnl_newlink+0xaa7/0xd80 [ 88.663699][ T778] ? rtnl_newlink+0x63/0xa0 [ 88.663843][ T778] ? rtnetlink_rcv_msg+0x2fb/0xbf0 [ 88.663988][ T778] ? netlink_rcv_skb+0x130/0x360 [ 88.664224][ T778] ? netlink_unicast+0x449/0x710 [ 88.664368][ T778] ? netlink_sendmsg+0x723/0xbe0 [ 88.664512][ T778] ? ____sys_sendmsg+0x7b2/0xa10 [ 88.664661][ T778] ? ___sys_sendmsg+0xee/0x170 [ 88.664894][ T778] ? in6_dev_get+0xcc/0x210 [ 88.665040][ T778] rt6_uncached_list_flush_dev+0x494/0x840 [ 88.665221][ T778] rt6_disable_ip+0xd9/0x140 [ 88.665367][ T778] ? __pfx_rt6_disable_ip+0x10/0x10 [ 88.665599][ T778] ? hlock_class+0x4e/0x130 [ 88.665748][ T778] addrconf_ifdown.isra.0+0x103/0x1560 [ 88.665894][ T778] ? __try_to_del_timer_sync+0xe7/0x140 [ 88.666041][ T778] ? __pfx_addrconf_ifdown.isra.0+0x10/0x10 [ 88.666224][ T778] addrconf_notify+0xd1/0xd60 [ 88.666370][ T778] notifier_call_chain+0xcd/0x150 [ 88.666516][ T778] __dev_notify_flags+0x170/0x250 [ 88.666662][ T778] ? __pfx___dev_notify_flags+0x10/0x10 [ 88.666807][ T778] ? __dev_change_flags+0x24f/0x6c0 [ 88.666955][ T778] ? __pfx___dev_change_flags+0x10/0x10 [ 88.667102][ T778] dev_change_flags+0xec/0x160 [ 88.667248][ T778] do_setlink+0x7d6/0x21e0 [ 88.667393][ T778] ? is_bpf_text_address+0x6c/0x120 [ 88.667625][ T778] ? __pfx_do_setlink+0x10/0x10 [ 88.667769][ T778] ? is_bpf_text_address+0x71/0x120 [ 88.667913][ T778] ? kernel_text_address+0xce/0xe0 [ 88.668059][ T778] ? __kernel_text_address+0x12/0x40 [ 88.668292][ T778] ? unwind_get_return_address+0x5e/0xa0 [ 88.668436][ T778] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 88.668618][ T778] ? arch_stack_walk+0xa2/0xf0 [ 88.668766][ T778] ? stack_trace_save+0x94/0xd0 [ 88.668999][ T778] ? __pfx_stack_trace_save+0x10/0x10 [ 88.669144][ T778] ? stack_depot_save_flags+0x45/0x530 [ 88.669289][ T778] ? mark_lock+0x38/0x3e0 [ 88.669403][ T778] ? kasan_save_stack+0x34/0x50 [ 88.669641][ T778] ? kasan_save_stack+0x24/0x50 [ 88.669788][ T778] ? kasan_save_track+0x14/0x30 [ 88.669935][ T778] ? __kasan_kmalloc+0x7f/0x90 [ 88.670080][ T778] ? rtnl_newlink+0x4a/0xa0 [ 88.670227][ T778] ? rtnetlink_rcv_msg+0x2fb/0xbf0 [ 88.670373][ T778] ? netlink_rcv_skb+0x130/0x360 [ 88.670520][ T778] ? validate_nla+0x1d30/0x1d30 [ 88.670666][ T778] ? netlink_sendmsg+0x723/0xbe0 [ 88.670815][ T778] ? ____sys_sendmsg+0x7b2/0xa10 [ 88.671049][ T778] ? ___sys_sendmsg+0xee/0x170 [ 88.671197][ T778] __rtnl_newlink+0xaa7/0xd80 [ 88.671344][ T778] ? hlock_class+0x4e/0x130 [ 88.671491][ T778] ? __pfx___rtnl_newlink+0x10/0x10 [ 88.671725][ T778] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 88.671908][ T778] ? __create_object+0x5e/0xb0 [ 88.672057][ T778] ? trace_kmalloc+0x2a/0xe0 [ 88.672205][ T778] rtnl_newlink+0x63/0xa0 [ 88.672404][ T778] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 88.672567][ T778] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 88.672714][ T778] ? hlock_class+0x4e/0x130 [ 88.672858][ T778] ? mark_lock+0x38/0x3e0 [ 88.672970][ T778] ? __lock_acquire+0xaf0/0x1570 [ 88.673204][ T778] netlink_rcv_skb+0x130/0x360 [ 88.673350][ T778] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 88.673495][ T778] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 88.673644][ T778] ? lock_acquire.part.0+0xeb/0x330 [ 88.673882][ T778] ? netlink_deliver_tap+0xc8/0x340 [ 88.674029][ T778] ? lock_acquire+0x32/0xc0 [ 88.674175][ T778] ? netlink_deliver_tap+0xc8/0x340 [ 88.674320][ T778] ? netlink_deliver_tap+0xc8/0x340 [ 88.674553][ T778] ? netlink_deliver_tap+0x149/0x340 [ 88.674700][ T778] netlink_unicast+0x449/0x710 [ 88.674849][ T778] ? __pfx_netlink_unicast+0x10/0x10 [ 88.674995][ T778] ? find_held_lock+0x2c/0x110 [ 88.675140][ T778] netlink_sendmsg+0x723/0xbe0 [ 88.675372][ T778] ? __pfx_netlink_sendmsg+0x10/0x10 [ 88.675515][ T778] ? __might_fault+0xc3/0x170 [ 88.675661][ T778] ? __import_iovec+0x35d/0x5d0 [ 88.675809][ T778] ____sys_sendmsg+0x7b2/0xa10 [ 88.676039][ T778] ? __pfx_____sys_sendmsg+0x10/0x10 [ 88.676182][ T778] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 88.676364][ T778] ? __pfx_validate_chain+0x10/0x10 [ 88.676511][ T778] ___sys_sendmsg+0xee/0x170 [ 88.676747][ T778] ? __pfx____sys_sendmsg+0x10/0x10 [ 88.676899][ T778] ? find_held_lock+0x2c/0x110 [ 88.677043][ T778] ? __lock_release+0x103/0x460 [ 88.677187][ T778] ? __debug_check_no_obj_freed+0x253/0x520 [ 88.677367][ T778] ? __pfx___lock_release+0x10/0x10 [ 88.677512][ T778] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 88.677659][ T778] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 88.677842][ T778] ? __fget_light+0x53/0x1e0 [ 88.677988][ T778] __sys_sendmsg+0xcd/0x170 [ 88.678133][ T778] ? __pfx___sys_sendmsg+0x10/0x10 [ 88.678283][ T778] do_syscall_64+0xc6/0x1e0 [ 88.678427][ T778] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 88.678702][ T778] RIP: 0033:0x7fb9e40417b7 [ 88.678857][ T778] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 88.679368][ T778] RSP: 002b:00007fff1b544a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 88.679594][ T778] RAX: ffffffffffffffda RBX: 00007fff1b545170 RCX: 00007fb9e40417b7 [ 88.679812][ T778] RDX: 0000000000000000 RSI: 00007fff1b544aa0 RDI: 0000000000000005 [ 88.680030][ T778] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 88.680246][ T778] R10: 00007fb9e3eff4a8 R11: 0000000000000246 R12: 0000000000000003 [ 88.680461][ T778] R13: 00000000660e28cf R14: 0000000000495540 R15: 0000000000000000 [ 88.680772][ T778] [ 88.701284][ T778] ip (778) used greatest stack depth: 22256 bytes left