[ 9.646438][ T212] ip (212) used greatest stack depth: 24240 bytes left [ 9.646453][ T212] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.646455][ T212] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 212, name: ip [ 9.646456][ T212] preempt_count: 2, expected: 0 [ 9.646457][ T212] RCU nest depth: 0, expected: 0 [ 9.646458][ T212] locks held by ip/212: 5, last CPU#2: [ 9.646460][ T212] #0: ffffffff9ba167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.646471][ T212] #1: ffffffff9bb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.646476][ T212] #2: ffffffff9bb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.646480][ T212] #3: ffffffff9ba9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.646483][ T212] #4: ffffffff9ba9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.646487][ T212] irq event stamp: 27862 [ 9.646488][ T212] hardirqs last enabled at (27861): [] __down_trylock_console_sem+0x86/0xa0 [ 9.646491][ T212] hardirqs last disabled at (27862): [] console_emit_next_record+0x3d4/0x4c0 [ 9.646493][ T212] softirqs last enabled at (26832): [] handle_softirqs+0x67c/0x900 [ 9.646495][ T212] softirqs last disabled at (26827): [] __irq_exit_rcu+0x145/0x1c0 [ 9.646498][ T212] Preemption disabled at: [ 9.646498][ T212] [<0000000000000000>] 0x0 [ 9.646505][ T212] CPU: 2 UID: 0 PID: 212 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.646508][ T212] Tainted: [W]=WARN [ 9.646509][ T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.646511][ T212] Call Trace: [ 9.646512][ T212] [ 9.646514][ T212] dump_stack_lvl+0x6f/0xa0 [ 9.646520][ T212] __might_resched.cold+0x1fe/0x2c1 [ 9.646525][ T212] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.646529][ T212] ? __kmalloc_noprof+0xdb/0x760 [ 9.646533][ T212] __kmalloc_noprof+0x443/0x760 [ 9.646535][ T212] ? alloc_buf.isra.0+0x4b/0x260 [ 9.646541][ T212] ? do_raw_spin_unlock+0x59/0x250 [ 9.646544][ T212] alloc_buf.isra.0+0x4b/0x260 [ 9.646548][ T212] put_chars+0x1e1/0x2f0 [ 9.646550][ T212] ? __send_to_port+0x420/0x420 [ 9.646551][ T212] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.646554][ T212] ? validate_chain+0x38b/0xc20 [ 9.646560][ T212] hvc_console_print+0x292/0x780 [ 9.646567][ T212] ? hvc_write+0x3a0/0x3a0 [ 9.646570][ T212] ? rcu_is_watching+0x16/0xd0 [ 9.646572][ T212] ? lock_acquire+0x13c/0x160 [ 9.646576][ T212] console_emit_next_record+0x22f/0x4c0 [ 9.646579][ T212] ? devkmsg_read+0x4b0/0x4b0 [ 9.646581][ T212] ? console_flush_one_record+0x106/0x710 [ 9.646585][ T212] ? rcu_is_watching+0x16/0xd0 [ 9.646586][ T212] ? lock_acquire+0x13c/0x160 [ 9.646590][ T212] console_flush_one_record+0x46f/0x710 [ 9.646594][ T212] ? console_emit_next_record+0x4c0/0x4c0 [ 9.646596][ T212] ? __lock_acquire+0x518/0xc20 [ 9.646601][ T212] console_unlock+0xee/0x1f0 [ 9.646604][ T212] ? console_flush_one_record+0x710/0x710 [ 9.646606][ T212] ? rcu_is_watching+0x16/0xd0 [ 9.646607][ T212] ? lock_acquire+0xe0/0x160 [ 9.646611][ T212] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.646612][ T212] ? vprintk_emit+0x320/0x3e0 [ 9.646615][ T212] vprintk_emit+0x37c/0x3e0 [ 9.646618][ T212] ? wake_up_klogd_work_func+0x90/0x90 [ 9.646621][ T212] ? __lock_acquire+0x518/0xc20 [ 9.646624][ T212] _printk+0xc7/0x100 [ 9.646628][ T212] ? snapshot_read.cold+0x21/0x21 [ 9.646631][ T212] ? do_raw_spin_lock+0x131/0x280 [ 9.646633][ T212] ? __rwlock_init+0x150/0x150 [ 9.646637][ T212] ? do_raw_spin_lock+0x131/0x280 [ 9.646640][ T212] do_exit.cold+0x82/0x9c [ 9.646643][ T212] ? exit_notify+0x890/0x890 [ 9.646644][ T212] ? __lock_release.isra.0+0x69/0x1a0 [ 9.646647][ T212] ? rcu_is_watching+0x16/0xd0 [ 9.646650][ T212] do_group_exit+0xb8/0x370 [ 9.646653][ T212] __x64_sys_exit_group+0x3c/0x50 [ 9.646655][ T212] x64_sys_call+0x1567/0x1570 [ 9.646657][ T212] do_syscall_64+0xff/0x530 [ 9.646661][ T212] ? exc_page_fault+0xee/0x100 [ 9.646664][ T212] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.646666][ T212] RIP: 0033:0x7f061f8671b8 [ 9.646668][ T212] Code: Unable to access opcode bytes at 0x7f061f86718e. [ 9.646669][ T212] RSP: 002b:00007fffa16a84c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.646672][ T212] RAX: ffffffffffffffda RBX: 00007f061f997f88 RCX: 00007f061f8671b8 [ 9.646673][ T212] RDX: 00007f061f5b1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.646674][ T212] RBP: 00007fffa16a8520 R08: 0000000000000000 R09: 0000000000008010 [ 9.646675][ T212] R10: 00007fffa16a82e0 R11: 0000000000000246 R12: 0000000000000001 [ 9.646676][ T212] R13: 0000000000000000 R14: 00007f061f996680 R15: 00007f061f997fa0 [ 9.646682][ T212] [ 9.785055][ T216] veth0: renamed from veth1 [ 10.081443][ T245] gre: GRE over IPv4 demultiplexer driver [ 10.092426][ T245] ip6_gre: GRE over IPv6 tunneling driver [ 10.158205][ T12] ip6_tunnel: gre1 xmit: Local address not yet configured! [ 10.158259][ T12] [ 10.158261][ T12] ============================= [ 10.158261][ T12] WARNING: suspicious RCU usage [ 10.158263][ T12] 7.2.0-virtme #1 Tainted: G W [ 10.158265][ T12] ----------------------------- [ 10.158265][ T12] kernel/sched/core.c:9196 Illegal context switch in RCU-bh read-side critical section! [ 10.158267][ T12] [ 10.158267][ T12] other info that might help us debug this: [ 10.158267][ T12] [ 10.158267][ T12] [ 10.158267][ T12] rcu_scheduler_active = 2, debug_locks = 1 [ 10.158269][ T12] locks held by kworker/u16:0/12: 11, last CPU#0: [ 10.158270][ T12] #0: ff1100000915e540 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 10.158283][ T12] #1: ffa00000000c7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 10.158287][ T12] #2: ffffffff9c31b740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 10.158292][ T12] #3: ffffffff9bb94c00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 10.158297][ T12] #4: ffffffff9bb94c00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 10.158301][ T12] #5: ffffffff9bb94ba0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x204/0x1b90 [ 10.158306][ T12] #6: ffffffff9bb94c00 (rcu_read_lock){....}-{1:3}, at: ip6_tnl_xmit_ctl+0xfd/0x390 [ 10.158311][ T12] #7: ffffffff9bb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.158315][ T12] #8: ffffffff9bb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.158324][ T12] #9: ffffffff9ba9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.158328][ T12] #10: ffffffff9ba9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.158332][ T12] [ 10.158332][ T12] stack backtrace: [ 10.158334][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.158337][ T12] Tainted: [W]=WARN [ 10.158338][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.158339][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 10.158343][ T12] Call Trace: [ 10.158345][ T12] [ 10.158346][ T12] dump_stack_lvl+0x6f/0xa0 [ 10.158353][ T12] lockdep_rcu_suspicious.cold+0x37/0x8a [ 10.158358][ T12] __might_resched+0x2ac/0x390 [ 10.158362][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.158365][ T12] ? __kmalloc_noprof+0xdb/0x760 [ 10.158370][ T12] __kmalloc_noprof+0x443/0x760 [ 10.158372][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 10.158378][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 10.158381][ T12] alloc_buf.isra.0+0x4b/0x260 [ 10.158385][ T12] put_chars+0x1e1/0x2f0 [ 10.158387][ T12] ? __send_to_port+0x420/0x420 [ 10.158394][ T12] hvc_console_print+0x292/0x780 [ 10.158402][ T12] ? hvc_write+0x3a0/0x3a0 [ 10.158405][ T12] ? lock_acquire+0x13c/0x160 [ 10.158409][ T12] console_emit_next_record+0x22f/0x4c0 [ 10.158414][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 10.158415][ T12] ? console_flush_one_record+0x106/0x710 [ 10.158419][ T12] ? rcu_is_watching+0x16/0xd0 [ 10.158421][ T12] ? lock_acquire+0x13c/0x160 [ 10.158425][ T12] console_flush_one_record+0x46f/0x710 [ 10.158430][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 10.158431][ T12] ? __lock_acquire+0x518/0xc20 [ 10.158437][ T12] console_unlock+0xee/0x1f0 [ 10.158440][ T12] ? console_flush_one_record+0x710/0x710 [ 10.158442][ T12] ? rcu_is_watching+0x16/0xd0 [ 10.158443][ T12] ? lock_acquire+0xe0/0x160 [ 10.158447][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.158449][ T12] ? vprintk_emit+0x320/0x3e0 [ 10.158452][ T12] vprintk_emit+0x37c/0x3e0 [ 10.158455][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 10.158457][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 10.158462][ T12] _printk+0xc7/0x100 [ 10.158465][ T12] ? snapshot_read.cold+0x21/0x21 [ 10.158467][ T12] ? ___ratelimit+0x4e7/0xa00 [ 10.158473][ T12] ? idr_get_free+0x830/0x830 [ 10.158478][ T12] ip6_tnl_xmit_ctl.cold+0x75/0x7a [ 10.158483][ T12] ip6gre_tunnel_xmit+0x1f5/0xdd0 [ip6_gre] [ 10.158489][ T12] ? __gre6_xmit+0x19a0/0x19a0 [ip6_gre] [ 10.158491][ T12] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.158494][ T12] ? __bfs+0x1e6/0x310 [ 10.158498][ T12] ? netif_skb_features+0x662/0x14e0 [ 10.158500][ T12] ? __lock_acquire+0x518/0xc20 [ 10.158504][ T12] ? skb_network_protocol+0x3b0/0x3b0 [ 10.158509][ T12] dev_hard_start_xmit+0xf4/0x620 [ 10.158512][ T12] ? validate_xmit_skb+0x72/0x9a0 [ 10.158515][ T12] __dev_queue_xmit+0xc1a/0x1b90 [ 10.158519][ T12] ? __lock_acquire+0x518/0xc20 [ 10.158521][ T12] ? do_ipv6_getsockopt+0xb5/0x2e80 [ 10.158525][ T12] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 10.158527][ T12] ? find_held_lock+0x2b/0x80 [ 10.158530][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 10.158532][ T12] ? __rwlock_init+0x150/0x150 [ 10.158534][ T12] ? mark_held_locks+0x40/0x70 [ 10.158537][ T12] ? lockdep_hardirqs_on+0x91/0x130 [ 10.158540][ T12] ? __local_bh_enable_ip+0xaa/0x150 [ 10.158543][ T12] ? __local_bh_enable_ip+0xaa/0x150 [ 10.158545][ T12] ? ___neigh_create+0x811/0x1070 [ 10.158551][ T12] ip6_finish_output2+0x48d/0x13f0 [ 10.158557][ T12] ? ip6_dst_lookup+0x80/0x80 [ 10.158558][ T12] ? find_held_lock+0x2b/0x80 [ 10.158561][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 10.158564][ T12] ? ip6_mtu+0x174/0x410 [ 10.158569][ T12] ip6_finish_output+0x701/0xe80 [ 10.158573][ T12] ip6_output+0x23f/0x7f0 [ 10.158576][ T12] ? ip6_finish_output+0xe80/0xe80 [ 10.158579][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 10.158581][ T12] ? find_held_lock+0x2b/0x80 [ 10.158584][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 10.158585][ T12] ? __local_bh_enable_ip+0xaa/0x150 [ 10.158590][ T12] ndisc_send_skb+0xba3/0x1520 [ 10.158594][ T12] ? ndisc_recv_na+0xea0/0xea0 [ 10.158600][ T12] ? __asan_memset+0x27/0x50 [ 10.158606][ T12] addrconf_dad_completed+0x37e/0xe10 [ 10.158609][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 10.158612][ T12] ? addrconf_rs_timer+0x770/0x770 [ 10.158614][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 10.158616][ T12] ? __rwlock_init+0x150/0x150 [ 10.158618][ T12] ? mark_held_locks+0x40/0x70 [ 10.158622][ T12] ? addrconf_dad_begin+0x2e1/0x540 [ 10.158623][ T12] addrconf_dad_begin+0x2e1/0x540 [ 10.158625][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 10.158628][ T12] ? addrconf_dad_completed+0xe10/0xe10 [ 10.158630][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 10.158631][ T12] ? __rwlock_init+0x150/0x150 [ 10.158634][ T12] ? mark_held_locks+0x40/0x70 [ 10.158638][ T12] addrconf_dad_work+0x170/0x930 [ 10.158642][ T12] ? addrconf_dad_begin+0x540/0x540 [ 10.158644][ T12] ? rcu_is_watching+0x16/0xd0 [ 10.158646][ T12] ? rcu_is_watching+0x16/0xd0 [ 10.158647][ T12] ? lock_acquire+0x13c/0x160 [ 10.158649][ T12] ? rcu_is_watching+0x16/0xd0 [ 10.158652][ T12] process_one_work+0xe3e/0x1560 [ 10.158659][ T12] ? __queue_delayed_work+0x470/0x470 [ 10.158662][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 10.158669][ T12] worker_thread+0x4f1/0xd60 [ 10.158677][ T12] ? rescuer_thread+0x1340/0x1340 [ 10.158679][ T12] kthread+0x367/0x460 [ 10.158681][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.158684][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 10.158687][ T12] ret_from_fork+0x474/0x6b0 [ 10.158692][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 10.158695][ T12] ? __switch_to+0x5a3/0xe00 [ 10.158698][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 10.158701][ T12] ret_from_fork_asm+0x11/0x20 [ 10.158710][ T12] [ 10.250305][ T12] ip6_tunnel: gre1 xmit: Local address not yet configured! [ 12.686829][ T268] socat (268) used greatest stack depth: 22384 bytes left [ 12.686849][ T268] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.686851][ T268] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 268, name: socat [ 12.686853][ T268] preempt_count: 2, expected: 0 [ 12.686854][ T268] RCU nest depth: 0, expected: 0 [ 12.686855][ T268] locks held by socat/268: 5, last CPU#1: [ 12.686857][ T268] #0: ffffffff9ba167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 12.686868][ T268] #1: ffffffff9bb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.686873][ T268] #2: ffffffff9bb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.686878][ T268] #3: ffffffff9ba9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.686882][ T268] #4: ffffffff9ba9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.686886][ T268] irq event stamp: 130228 [ 12.686887][ T268] hardirqs last enabled at (130227): [] __down_trylock_console_sem+0x86/0xa0 [ 12.686890][ T268] hardirqs last disabled at (130228): [] console_emit_next_record+0x3d4/0x4c0 [ 12.686892][ T268] softirqs last enabled at (130188): [] handle_softirqs+0x67c/0x900 [ 12.686895][ T268] softirqs last disabled at (130161): [] __irq_exit_rcu+0x145/0x1c0 [ 12.686897][ T268] Preemption disabled at: [ 12.686898][ T268] [<0000000000000000>] 0x0 [ 12.686906][ T268] CPU: 1 UID: 0 PID: 268 Comm: socat Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.686909][ T268] Tainted: [W]=WARN [ 12.686910][ T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.686912][ T268] Call Trace: [ 12.686914][ T268] [ 12.686915][ T268] dump_stack_lvl+0x6f/0xa0 [ 12.686922][ T268] __might_resched.cold+0x1fe/0x2c1 [ 12.686927][ T268] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.686931][ T268] ? __kmalloc_noprof+0xdb/0x760 [ 12.686935][ T268] __kmalloc_noprof+0x443/0x760 [ 12.686937][ T268] ? alloc_buf.isra.0+0x4b/0x260 [ 12.686944][ T268] ? do_raw_spin_unlock+0x59/0x250 [ 12.686947][ T268] alloc_buf.isra.0+0x4b/0x260 [ 12.686951][ T268] put_chars+0x1e1/0x2f0 [ 12.686953][ T268] ? __send_to_port+0x420/0x420 [ 12.686954][ T268] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.686958][ T268] ? validate_chain+0x38b/0xc20 [ 12.686963][ T268] hvc_console_print+0x292/0x780 [ 12.686970][ T268] ? hvc_write+0x3a0/0x3a0 [ 12.686973][ T268] ? rcu_is_watching+0x16/0xd0 [ 12.686975][ T268] ? lock_acquire+0x13c/0x160 [ 12.686979][ T268] console_emit_next_record+0x22f/0x4c0 [ 12.686983][ T268] ? devkmsg_read+0x4b0/0x4b0 [ 12.686985][ T268] ? console_flush_one_record+0x106/0x710 [ 12.686988][ T268] ? rcu_is_watching+0x16/0xd0 [ 12.686990][ T268] ? lock_acquire+0x13c/0x160 [ 12.686993][ T268] console_flush_one_record+0x46f/0x710 [ 12.686997][ T268] ? console_emit_next_record+0x4c0/0x4c0 [ 12.686999][ T268] ? __lock_acquire+0x518/0xc20 [ 12.687004][ T268] console_unlock+0xee/0x1f0 [ 12.687007][ T268] ? console_flush_one_record+0x710/0x710 [ 12.687009][ T268] ? rcu_is_watching+0x16/0xd0 [ 12.687011][ T268] ? lock_acquire+0xe0/0x160 [ 12.687014][ T268] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.687016][ T268] ? vprintk_emit+0x320/0x3e0 [ 12.687019][ T268] vprintk_emit+0x37c/0x3e0 [ 12.687022][ T268] ? wake_up_klogd_work_func+0x90/0x90 [ 12.687023][ T268] ? do_raw_spin_unlock+0x59/0x250 [ 12.687026][ T268] ? __lock_acquire+0x518/0xc20 [ 12.687030][ T268] _printk+0xc7/0x100 [ 12.687033][ T268] ? snapshot_read.cold+0x21/0x21 [ 12.687036][ T268] ? do_raw_spin_lock+0x131/0x280 [ 12.687038][ T268] ? __rwlock_init+0x150/0x150 [ 12.687042][ T268] ? do_raw_spin_lock+0x131/0x280 [ 12.687045][ T268] do_exit.cold+0x82/0x9c [ 12.687048][ T268] ? exit_notify+0x890/0x890 [ 12.687050][ T268] ? __lock_release.isra.0+0x69/0x1a0 [ 12.687053][ T268] ? rcu_is_watching+0x16/0xd0 [ 12.687056][ T268] do_group_exit+0xb8/0x370 [ 12.687059][ T268] __x64_sys_exit_group+0x3c/0x50 [ 12.687061][ T268] x64_sys_call+0x1567/0x1570 [ 12.687063][ T268] do_syscall_64+0xff/0x530 [ 12.687067][ T268] ? exc_page_fault+0xee/0x100 [ 12.687070][ T268] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.687072][ T268] RIP: 0033:0x7f7639ece1b8 [ 12.687075][ T268] Code: Unable to access opcode bytes at 0x7f7639ece18e. [ 12.687076][ T268] RSP: 002b:00007fffd7a79b38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.687079][ T268] RAX: ffffffffffffffda RBX: 00007f7639ffef88 RCX: 00007f7639ece1b8 [ 12.687080][ T268] RDX: 00007f7639db3e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 12.687081][ T268] RBP: 00007fffd7a79b90 R08: 0000000000000000 R09: 0000000000004010 [ 12.687082][ T268] R10: 00007fffd7a79990 R11: 0000000000000246 R12: 0000000000000003 [ 12.687082][ T268] R13: 0000000000000000 R14: 00007f7639ffd680 R15: 00007f7639ffefa0 [ 12.687089][ T268] [ 13.047101][ T281] socat (281) used greatest stack depth: 21616 bytes left