[ 9.488603][ T212] ip (212) used greatest stack depth: 23904 bytes left [ 9.488618][ T212] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.488620][ T212] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 212, name: ip [ 9.488621][ T212] preempt_count: 2, expected: 0 [ 9.488622][ T212] RCU nest depth: 0, expected: 0 [ 9.488623][ T212] locks held by ip/212: 5, last CPU#2: [ 9.488625][ T212] #0: ffffffff9d2167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.488636][ T212] #1: ffffffff9d37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.488640][ T212] #2: ffffffff9d37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.488644][ T212] #3: ffffffff9d29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.488648][ T212] #4: ffffffff9d29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.488652][ T212] irq event stamp: 50632 [ 9.488653][ T212] hardirqs last enabled at (50631): [] __down_trylock_console_sem+0x86/0xa0 [ 9.488656][ T212] hardirqs last disabled at (50632): [] console_emit_next_record+0x3d4/0x4c0 [ 9.488658][ T212] softirqs last enabled at (44824): [] handle_softirqs+0x67c/0x900 [ 9.488660][ T212] softirqs last disabled at (44509): [] __irq_exit_rcu+0x145/0x1c0 [ 9.488662][ T212] Preemption disabled at: [ 9.488663][ T212] [<0000000000000000>] 0x0 [ 9.488669][ T212] CPU: 2 UID: 0 PID: 212 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.488672][ T212] Tainted: [W]=WARN [ 9.488673][ T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.488675][ T212] Call Trace: [ 9.488676][ T212] [ 9.488678][ T212] dump_stack_lvl+0x6f/0xa0 [ 9.488684][ T212] __might_resched.cold+0x1fe/0x2c1 [ 9.488688][ T212] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.488692][ T212] ? __kmalloc_noprof+0xdb/0x760 [ 9.488696][ T212] __kmalloc_noprof+0x443/0x760 [ 9.488698][ T212] ? alloc_buf.isra.0+0x4b/0x260 [ 9.488705][ T212] ? do_raw_spin_unlock+0x59/0x250 [ 9.488708][ T212] alloc_buf.isra.0+0x4b/0x260 [ 9.488712][ T212] put_chars+0x1e1/0x2f0 [ 9.488718][ T212] ? __send_to_port+0x420/0x420 [ 9.488719][ T212] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.488722][ T212] ? validate_chain+0x38b/0xc20 [ 9.488728][ T212] hvc_console_print+0x292/0x780 [ 9.488735][ T212] ? hvc_write+0x3a0/0x3a0 [ 9.488738][ T212] ? rcu_is_watching+0x16/0xd0 [ 9.488740][ T212] ? lock_acquire+0x13c/0x160 [ 9.488744][ T212] console_emit_next_record+0x22f/0x4c0 [ 9.488748][ T212] ? devkmsg_read+0x4b0/0x4b0 [ 9.488750][ T212] ? console_flush_one_record+0x106/0x710 [ 9.488753][ T212] ? rcu_is_watching+0x16/0xd0 [ 9.488754][ T212] ? lock_acquire+0x13c/0x160 [ 9.488758][ T212] console_flush_one_record+0x46f/0x710 [ 9.488762][ T212] ? console_emit_next_record+0x4c0/0x4c0 [ 9.488764][ T212] ? __lock_acquire+0x518/0xc20 [ 9.488769][ T212] console_unlock+0xee/0x1f0 [ 9.488772][ T212] ? console_flush_one_record+0x710/0x710 [ 9.488774][ T212] ? rcu_is_watching+0x16/0xd0 [ 9.488775][ T212] ? lock_acquire+0xe0/0x160 [ 9.488779][ T212] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.488781][ T212] ? vprintk_emit+0x320/0x3e0 [ 9.488784][ T212] vprintk_emit+0x37c/0x3e0 [ 9.488787][ T212] ? wake_up_klogd_work_func+0x90/0x90 [ 9.488789][ T212] ? __lock_acquire+0x518/0xc20 [ 9.488793][ T212] _printk+0xc7/0x100 [ 9.488797][ T212] ? snapshot_read.cold+0x21/0x21 [ 9.488799][ T212] ? do_raw_spin_lock+0x131/0x280 [ 9.488802][ T212] ? __rwlock_init+0x150/0x150 [ 9.488806][ T212] ? do_raw_spin_lock+0x131/0x280 [ 9.488808][ T212] do_exit.cold+0x82/0x9c [ 9.488812][ T212] ? exit_notify+0x890/0x890 [ 9.488813][ T212] ? __lock_release.isra.0+0x69/0x1a0 [ 9.488816][ T212] ? rcu_is_watching+0x16/0xd0 [ 9.488819][ T212] do_group_exit+0xb8/0x370 [ 9.488822][ T212] __x64_sys_exit_group+0x3c/0x50 [ 9.488824][ T212] x64_sys_call+0x1567/0x1570 [ 9.488826][ T212] do_syscall_64+0xff/0x530 [ 9.488830][ T212] ? exc_page_fault+0xee/0x100 [ 9.488833][ T212] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.488835][ T212] RIP: 0033:0x7fe4314361b8 [ 9.488837][ T212] Code: Unable to access opcode bytes at 0x7fe43143618e. [ 9.488838][ T212] RSP: 002b:00007ffd8d732778 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.488840][ T212] RAX: ffffffffffffffda RBX: 00007fe431566f88 RCX: 00007fe4314361b8 [ 9.488841][ T212] RDX: 00007fe431180fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.488842][ T212] RBP: 00007ffd8d7327d0 R08: 0000000000000000 R09: 0000000000008010 [ 9.488843][ T212] R10: 00007ffd8d732590 R11: 0000000000000246 R12: 0000000000000001 [ 9.488844][ T212] R13: 0000000000000000 R14: 00007fe431565680 R15: 00007fe431566fa0 [ 9.488850][ T212] [ 9.589895][ T216] veth0: renamed from veth1 [ 9.837282][ T244] gre: GRE over IPv4 demultiplexer driver [ 9.847478][ T244] ip6_gre: GRE over IPv6 tunneling driver [ 9.923632][ T68] ip6_tunnel: gre1 xmit: Local address not yet configured! [ 9.923678][ T68] [ 9.923679][ T68] ============================= [ 9.923680][ T68] WARNING: suspicious RCU usage [ 9.923682][ T68] 7.2.0-virtme #1 Tainted: G W [ 9.923683][ T68] ----------------------------- [ 9.923684][ T68] kernel/sched/core.c:9196 Illegal context switch in RCU-bh read-side critical section! [ 9.923685][ T68] [ 9.923685][ T68] other info that might help us debug this: [ 9.923685][ T68] [ 9.923686][ T68] [ 9.923686][ T68] rcu_scheduler_active = 2, debug_locks = 1 [ 9.923687][ T68] locks held by kworker/u16:1/68: 11, last CPU#0: [ 9.923689][ T68] #0: ff1100000922e540 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 9.923701][ T68] #1: ffa0000000497d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 9.923705][ T68] #2: ffffffff9db1b740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 9.923710][ T68] #3: ffffffff9d394c00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 9.923714][ T68] #4: ffffffff9d394c00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 9.923724][ T68] #5: ffffffff9d394ba0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x204/0x1b90 [ 9.923728][ T68] #6: ffffffff9d394c00 (rcu_read_lock){....}-{1:3}, at: ip6_tnl_xmit_ctl+0xfd/0x390 [ 9.923733][ T68] #7: ffffffff9d37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.923737][ T68] #8: ffffffff9d37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.923741][ T68] #9: ffffffff9d29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.923744][ T68] #10: ffffffff9d29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.923748][ T68] [ 9.923748][ T68] stack backtrace: [ 9.923751][ T68] CPU: 0 UID: 0 PID: 68 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.923754][ T68] Tainted: [W]=WARN [ 9.923755][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.923757][ T68] Workqueue: ipv6_addrconf addrconf_dad_work [ 9.923760][ T68] Call Trace: [ 9.923761][ T68] [ 9.923763][ T68] dump_stack_lvl+0x6f/0xa0 [ 9.923769][ T68] lockdep_rcu_suspicious.cold+0x37/0x8a [ 9.923775][ T68] __might_resched+0x2ac/0x390 [ 9.923779][ T68] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.923782][ T68] ? __kmalloc_noprof+0xdb/0x760 [ 9.923786][ T68] __kmalloc_noprof+0x443/0x760 [ 9.923788][ T68] ? alloc_buf.isra.0+0x4b/0x260 [ 9.923795][ T68] ? do_raw_spin_unlock+0x59/0x250 [ 9.923799][ T68] alloc_buf.isra.0+0x4b/0x260 [ 9.923803][ T68] put_chars+0x1e1/0x2f0 [ 9.923805][ T68] ? __send_to_port+0x420/0x420 [ 9.923811][ T68] hvc_console_print+0x292/0x780 [ 9.923819][ T68] ? hvc_write+0x3a0/0x3a0 [ 9.923823][ T68] ? lock_acquire+0x13c/0x160 [ 9.923827][ T68] console_emit_next_record+0x22f/0x4c0 [ 9.923831][ T68] ? devkmsg_read+0x4b0/0x4b0 [ 9.923833][ T68] ? console_flush_one_record+0x106/0x710 [ 9.923836][ T68] ? rcu_is_watching+0x16/0xd0 [ 9.923839][ T68] ? lock_acquire+0x13c/0x160 [ 9.923843][ T68] console_flush_one_record+0x46f/0x710 [ 9.923847][ T68] ? console_emit_next_record+0x4c0/0x4c0 [ 9.923849][ T68] ? __lock_acquire+0x518/0xc20 [ 9.923854][ T68] console_unlock+0xee/0x1f0 [ 9.923857][ T68] ? console_flush_one_record+0x710/0x710 [ 9.923859][ T68] ? rcu_is_watching+0x16/0xd0 [ 9.923861][ T68] ? lock_acquire+0xe0/0x160 [ 9.923864][ T68] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.923866][ T68] ? vprintk_emit+0x320/0x3e0 [ 9.923869][ T68] vprintk_emit+0x37c/0x3e0 [ 9.923872][ T68] ? wake_up_klogd_work_func+0x90/0x90 [ 9.923874][ T68] ? __lock_release.isra.0+0x69/0x1a0 [ 9.923879][ T68] _printk+0xc7/0x100 [ 9.923882][ T68] ? snapshot_read.cold+0x21/0x21 [ 9.923884][ T68] ? ___ratelimit+0x4e7/0xa00 [ 9.923890][ T68] ? idr_get_free+0x830/0x830 [ 9.923895][ T68] ip6_tnl_xmit_ctl.cold+0x75/0x7a [ 9.923902][ T68] ip6gre_tunnel_xmit+0x1f5/0xdd0 [ip6_gre] [ 9.923908][ T68] ? __gre6_xmit+0x19a0/0x19a0 [ip6_gre] [ 9.923911][ T68] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.923913][ T68] ? rcu_read_lock_any_held+0x3c/0x90 [ 9.923916][ T68] ? validate_chain+0x38b/0xc20 [ 9.923919][ T68] ? netif_skb_features+0x662/0x14e0 [ 9.923921][ T68] ? __lock_acquire+0x518/0xc20 [ 9.923924][ T68] ? skb_network_protocol+0x3b0/0x3b0 [ 9.923929][ T68] dev_hard_start_xmit+0xf4/0x620 [ 9.923932][ T68] ? validate_xmit_skb+0x72/0x9a0 [ 9.923936][ T68] __dev_queue_xmit+0xc1a/0x1b90 [ 9.923939][ T68] ? __lock_acquire+0x518/0xc20 [ 9.923941][ T68] ? do_ipv6_getsockopt+0xb5/0x2e80 [ 9.923946][ T68] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 9.923947][ T68] ? find_held_lock+0x2b/0x80 [ 9.923950][ T68] ? __lock_release.isra.0+0x69/0x1a0 [ 9.923952][ T68] ? __rwlock_init+0x150/0x150 [ 9.923954][ T68] ? mark_held_locks+0x40/0x70 [ 9.923957][ T68] ? lockdep_hardirqs_on+0x91/0x130 [ 9.923960][ T68] ? __local_bh_enable_ip+0xaa/0x150 [ 9.923963][ T68] ? __local_bh_enable_ip+0xaa/0x150 [ 9.923965][ T68] ? ___neigh_create+0x811/0x1070 [ 9.923971][ T68] ip6_finish_output2+0x48d/0x13f0 [ 9.923976][ T68] ? ip6_dst_lookup+0x80/0x80 [ 9.923978][ T68] ? find_held_lock+0x2b/0x80 [ 9.923981][ T68] ? __lock_release.isra.0+0x69/0x1a0 [ 9.923984][ T68] ? ip6_mtu+0x174/0x410 [ 9.923989][ T68] ip6_finish_output+0x701/0xe80 [ 9.923993][ T68] ip6_output+0x23f/0x7f0 [ 9.923996][ T68] ? ip6_finish_output+0xe80/0xe80 [ 9.923998][ T68] ? lock_acquire.part.0+0xd4/0x280 [ 9.924000][ T68] ? find_held_lock+0x2b/0x80 [ 9.924003][ T68] ? __lock_release.isra.0+0x69/0x1a0 [ 9.924005][ T68] ? __local_bh_enable_ip+0xaa/0x150 [ 9.924009][ T68] ndisc_send_skb+0xba3/0x1520 [ 9.924014][ T68] ? ndisc_recv_na+0xea0/0xea0 [ 9.924020][ T68] ? __asan_memset+0x27/0x50 [ 9.924026][ T68] addrconf_dad_completed+0x37e/0xe10 [ 9.924028][ T68] ? lock_acquire.part.0+0xd4/0x280 [ 9.924031][ T68] ? addrconf_rs_timer+0x770/0x770 [ 9.924033][ T68] ? __lock_release.isra.0+0x69/0x1a0 [ 9.924035][ T68] ? __rwlock_init+0x150/0x150 [ 9.924037][ T68] ? mark_held_locks+0x40/0x70 [ 9.924041][ T68] ? addrconf_dad_begin+0x2e1/0x540 [ 9.924043][ T68] addrconf_dad_begin+0x2e1/0x540 [ 9.924044][ T68] ? lock_acquire.part.0+0xd4/0x280 [ 9.924047][ T68] ? addrconf_dad_completed+0xe10/0xe10 [ 9.924049][ T68] ? __lock_release.isra.0+0x69/0x1a0 [ 9.924050][ T68] ? __rwlock_init+0x150/0x150 [ 9.924053][ T68] ? mark_held_locks+0x40/0x70 [ 9.924057][ T68] addrconf_dad_work+0x170/0x930 [ 9.924061][ T68] ? addrconf_dad_begin+0x540/0x540 [ 9.924064][ T68] ? rcu_is_watching+0x16/0xd0 [ 9.924065][ T68] ? rcu_is_watching+0x16/0xd0 [ 9.924066][ T68] ? lock_acquire+0x13c/0x160 [ 9.924068][ T68] ? rcu_is_watching+0x16/0xd0 [ 9.924071][ T68] process_one_work+0xe3e/0x1560 [ 9.924078][ T68] ? __queue_delayed_work+0x470/0x470 [ 9.924081][ T68] ? lock_acquire.part.0+0xd4/0x280 [ 9.924088][ T68] worker_thread+0x4f1/0xd60 [ 9.924093][ T68] ? rescuer_thread+0x1340/0x1340 [ 9.924095][ T68] ? __kthread_parkme+0xbd/0x210 [ 9.924097][ T68] ? rescuer_thread+0x1340/0x1340 [ 9.924100][ T68] ? rescuer_thread+0x1340/0x1340 [ 9.924102][ T68] kthread+0x367/0x460 [ 9.924104][ T68] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 9.924110][ T68] ? kthread_affine_preferred+0x4c0/0x4c0 [ 9.924113][ T68] ret_from_fork+0x474/0x6b0 [ 9.924118][ T68] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 9.924121][ T68] ? __switch_to+0x5a3/0xe00 [ 9.924124][ T68] ? kthread_affine_preferred+0x4c0/0x4c0 [ 9.924127][ T68] ret_from_fork_asm+0x11/0x20 [ 9.924136][ T68] [ 10.019486][ T68] ip6_tunnel: gre1 xmit: Local address not yet configured! [ 12.524219][ T270] socat (270) used greatest stack depth: 22432 bytes left [ 12.524236][ T270] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.524238][ T270] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 270, name: socat [ 12.524239][ T270] preempt_count: 2, expected: 0 [ 12.524240][ T270] RCU nest depth: 0, expected: 0 [ 12.524241][ T270] locks held by socat/270: 5, last CPU#2: [ 12.524243][ T270] #0: ffffffff9d2167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 12.524254][ T270] #1: ffffffff9d37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.524258][ T270] #2: ffffffff9d37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.524263][ T270] #3: ffffffff9d29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.524266][ T270] #4: ffffffff9d29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.524270][ T270] irq event stamp: 124754 [ 12.524271][ T270] hardirqs last enabled at (124753): [] __down_trylock_console_sem+0x86/0xa0 [ 12.524274][ T270] hardirqs last disabled at (124754): [] console_emit_next_record+0x3d4/0x4c0 [ 12.524276][ T270] softirqs last enabled at (123754): [] unix_release_sock+0x446/0xe60 [ 12.524280][ T270] softirqs last disabled at (123752): [] unix_release_sock+0x39f/0xe60 [ 12.524282][ T270] Preemption disabled at: [ 12.524283][ T270] [<0000000000000000>] 0x0 [ 12.524289][ T270] CPU: 2 UID: 0 PID: 270 Comm: socat Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.524293][ T270] Tainted: [W]=WARN [ 12.524294][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.524295][ T270] Call Trace: [ 12.524297][ T270] [ 12.524298][ T270] dump_stack_lvl+0x6f/0xa0 [ 12.524305][ T270] __might_resched.cold+0x1fe/0x2c1 [ 12.524309][ T270] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.524313][ T270] ? __kmalloc_noprof+0xdb/0x760 [ 12.524317][ T270] __kmalloc_noprof+0x443/0x760 [ 12.524319][ T270] ? alloc_buf.isra.0+0x4b/0x260 [ 12.524325][ T270] ? do_raw_spin_unlock+0x59/0x250 [ 12.524328][ T270] alloc_buf.isra.0+0x4b/0x260 [ 12.524332][ T270] put_chars+0x1e1/0x2f0 [ 12.524334][ T270] ? __send_to_port+0x420/0x420 [ 12.524335][ T270] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.524339][ T270] ? validate_chain+0x38b/0xc20 [ 12.524344][ T270] hvc_console_print+0x292/0x780 [ 12.524351][ T270] ? hvc_write+0x3a0/0x3a0 [ 12.524354][ T270] ? rcu_is_watching+0x16/0xd0 [ 12.524356][ T270] ? lock_acquire+0x13c/0x160 [ 12.524360][ T270] console_emit_next_record+0x22f/0x4c0 [ 12.524363][ T270] ? devkmsg_read+0x4b0/0x4b0 [ 12.524365][ T270] ? console_flush_one_record+0x106/0x710 [ 12.524368][ T270] ? rcu_is_watching+0x16/0xd0 [ 12.524370][ T270] ? lock_acquire+0x13c/0x160 [ 12.524374][ T270] console_flush_one_record+0x46f/0x710 [ 12.524378][ T270] ? console_emit_next_record+0x4c0/0x4c0 [ 12.524380][ T270] ? __lock_acquire+0x518/0xc20 [ 12.524385][ T270] console_unlock+0xee/0x1f0 [ 12.524387][ T270] ? console_flush_one_record+0x710/0x710 [ 12.524389][ T270] ? rcu_is_watching+0x16/0xd0 [ 12.524391][ T270] ? lock_acquire+0xe0/0x160 [ 12.524394][ T270] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.524396][ T270] ? vprintk_emit+0x320/0x3e0 [ 12.524399][ T270] vprintk_emit+0x37c/0x3e0 [ 12.524402][ T270] ? wake_up_klogd_work_func+0x90/0x90 [ 12.524403][ T270] ? do_raw_spin_unlock+0x59/0x250 [ 12.524406][ T270] ? __lock_acquire+0x518/0xc20 [ 12.524410][ T270] _printk+0xc7/0x100 [ 12.524413][ T270] ? snapshot_read.cold+0x21/0x21 [ 12.524416][ T270] ? do_raw_spin_lock+0x131/0x280 [ 12.524419][ T270] ? __rwlock_init+0x150/0x150 [ 12.524422][ T270] ? do_raw_spin_lock+0x131/0x280 [ 12.524425][ T270] do_exit.cold+0x82/0x9c [ 12.524429][ T270] ? exit_notify+0x890/0x890 [ 12.524430][ T270] ? __lock_release.isra.0+0x69/0x1a0 [ 12.524433][ T270] ? rcu_is_watching+0x16/0xd0 [ 12.524436][ T270] do_group_exit+0xb8/0x370 [ 12.524439][ T270] __x64_sys_exit_group+0x3c/0x50 [ 12.524441][ T270] x64_sys_call+0x1567/0x1570 [ 12.524443][ T270] do_syscall_64+0xff/0x530 [ 12.524447][ T270] ? exc_page_fault+0xee/0x100 [ 12.524450][ T270] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.524452][ T270] RIP: 0033:0x7f0df0bbe1b8 [ 12.524454][ T270] Code: Unable to access opcode bytes at 0x7f0df0bbe18e. [ 12.524455][ T270] RSP: 002b:00007ffe0f1fec48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.524458][ T270] RAX: ffffffffffffffda RBX: 00007f0df0ceef88 RCX: 00007f0df0bbe1b8 [ 12.524459][ T270] RDX: 00007f0df0aa3e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 12.524460][ T270] RBP: 00007ffe0f1feca0 R08: 0000000000000000 R09: 0000000000004010 [ 12.524461][ T270] R10: 00007ffe0f1feaa0 R11: 0000000000000246 R12: 0000000000000003 [ 12.524461][ T270] R13: 0000000000000000 R14: 00007f0df0ced680 R15: 00007f0df0ceefa0 [ 12.524468][ T270] [ 12.918477][ T286] socat (286) used greatest stack depth: 21624 bytes left