[ 9.465019][ T212] ip (212) used greatest stack depth: 23664 bytes left [ 9.465034][ T212] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.465036][ T212] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 212, name: ip [ 9.465037][ T212] preempt_count: 2, expected: 0 [ 9.465038][ T212] RCU nest depth: 0, expected: 0 [ 9.465039][ T212] locks held by ip/212: 5, last CPU#0: [ 9.465041][ T212] #0: ffffffff99e167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.465052][ T212] #1: ffffffff99f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.465057][ T212] #2: ffffffff99f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.465061][ T212] #3: ffffffff99e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.465065][ T212] #4: ffffffff99e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.465068][ T212] irq event stamp: 34636 [ 9.465069][ T212] hardirqs last enabled at (34635): [] __down_trylock_console_sem+0x86/0xa0 [ 9.465072][ T212] hardirqs last disabled at (34636): [] console_emit_next_record+0x3d4/0x4c0 [ 9.465074][ T212] softirqs last enabled at (33274): [] netlink_release+0x17b/0xcf0 [ 9.465078][ T212] softirqs last disabled at (33272): [] netlink_release+0xd2/0xcf0 [ 9.465080][ T212] Preemption disabled at: [ 9.465081][ T212] [<0000000000000000>] 0x0 [ 9.465087][ T212] CPU: 0 UID: 0 PID: 212 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.465091][ T212] Tainted: [W]=WARN [ 9.465091][ T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.465093][ T212] Call Trace: [ 9.465094][ T212] [ 9.465096][ T212] dump_stack_lvl+0x6f/0xa0 [ 9.465102][ T212] __might_resched.cold+0x1fe/0x2c1 [ 9.465107][ T212] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.465111][ T212] ? __kmalloc_noprof+0xdb/0x760 [ 9.465115][ T212] __kmalloc_noprof+0x443/0x760 [ 9.465117][ T212] ? alloc_buf.isra.0+0x4b/0x260 [ 9.465123][ T212] ? do_raw_spin_unlock+0x59/0x250 [ 9.465125][ T212] alloc_buf.isra.0+0x4b/0x260 [ 9.465129][ T212] put_chars+0x1e1/0x2f0 [ 9.465131][ T212] ? __send_to_port+0x420/0x420 [ 9.465132][ T212] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.465136][ T212] ? validate_chain+0x38b/0xc20 [ 9.465141][ T212] hvc_console_print+0x292/0x780 [ 9.465149][ T212] ? hvc_write+0x3a0/0x3a0 [ 9.465152][ T212] ? rcu_is_watching+0x16/0xd0 [ 9.465154][ T212] ? lock_acquire+0x13c/0x160 [ 9.465157][ T212] console_emit_next_record+0x22f/0x4c0 [ 9.465161][ T212] ? devkmsg_read+0x4b0/0x4b0 [ 9.465163][ T212] ? console_flush_one_record+0x106/0x710 [ 9.465166][ T212] ? rcu_is_watching+0x16/0xd0 [ 9.465168][ T212] ? lock_acquire+0x13c/0x160 [ 9.465172][ T212] console_flush_one_record+0x46f/0x710 [ 9.465176][ T212] ? console_emit_next_record+0x4c0/0x4c0 [ 9.465178][ T212] ? __lock_acquire+0x518/0xc20 [ 9.465183][ T212] console_unlock+0xee/0x1f0 [ 9.465186][ T212] ? console_flush_one_record+0x710/0x710 [ 9.465188][ T212] ? rcu_is_watching+0x16/0xd0 [ 9.465189][ T212] ? lock_acquire+0xe0/0x160 [ 9.465193][ T212] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.465195][ T212] ? vprintk_emit+0x320/0x3e0 [ 9.465197][ T212] vprintk_emit+0x37c/0x3e0 [ 9.465200][ T212] ? wake_up_klogd_work_func+0x90/0x90 [ 9.465203][ T212] ? __lock_acquire+0x518/0xc20 [ 9.465207][ T212] _printk+0xc7/0x100 [ 9.465210][ T212] ? snapshot_read.cold+0x21/0x21 [ 9.465213][ T212] ? do_raw_spin_lock+0x131/0x280 [ 9.465216][ T212] ? __rwlock_init+0x150/0x150 [ 9.465219][ T212] ? do_raw_spin_lock+0x131/0x280 [ 9.465222][ T212] do_exit.cold+0x82/0x9c [ 9.465226][ T212] ? exit_notify+0x890/0x890 [ 9.465227][ T212] ? __lock_release.isra.0+0x69/0x1a0 [ 9.465230][ T212] ? rcu_is_watching+0x16/0xd0 [ 9.465233][ T212] do_group_exit+0xb8/0x370 [ 9.465236][ T212] __x64_sys_exit_group+0x3c/0x50 [ 9.465238][ T212] x64_sys_call+0x1567/0x1570 [ 9.465240][ T212] do_syscall_64+0xff/0x530 [ 9.465245][ T212] ? exc_page_fault+0xee/0x100 [ 9.465248][ T212] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.465250][ T212] RIP: 0033:0x7f180cd8f1b8 [ 9.465252][ T212] Code: Unable to access opcode bytes at 0x7f180cd8f18e. [ 9.465253][ T212] RSP: 002b:00007ffd34c70128 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.465255][ T212] RAX: ffffffffffffffda RBX: 00007f180cebff88 RCX: 00007f180cd8f1b8 [ 9.465256][ T212] RDX: 00007f180cad9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.465257][ T212] RBP: 00007ffd34c70180 R08: 0000000000000000 R09: 0000000000008010 [ 9.465258][ T212] R10: 00007ffd34c6ff40 R11: 0000000000000246 R12: 0000000000000001 [ 9.465259][ T212] R13: 0000000000000000 R14: 00007f180cebe680 R15: 00007f180cebffa0 [ 9.465269][ T212] [ 9.592610][ T216] veth0: renamed from veth1 [ 9.864810][ T245] gre: GRE over IPv4 demultiplexer driver [ 9.880371][ T245] ip6_gre: GRE over IPv6 tunneling driver [ 9.945273][ T12] ip6_tunnel: gre1 xmit: Local address not yet configured! [ 9.945321][ T12] [ 9.945322][ T12] ============================= [ 9.945323][ T12] WARNING: suspicious RCU usage [ 9.945325][ T12] 7.2.0-virtme #1 Tainted: G W [ 9.945327][ T12] ----------------------------- [ 9.945327][ T12] kernel/sched/core.c:9196 Illegal context switch in RCU-bh read-side critical section! [ 9.945329][ T12] [ 9.945329][ T12] other info that might help us debug this: [ 9.945329][ T12] [ 9.945329][ T12] [ 9.945329][ T12] rcu_scheduler_active = 2, debug_locks = 1 [ 9.945331][ T12] locks held by kworker/u16:0/12: 11, last CPU#0: [ 9.945332][ T12] #0: ff1100000929e540 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 9.945344][ T12] #1: ffa00000000c7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 9.945347][ T12] #2: ffffffff9a71b740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 9.945353][ T12] #3: ffffffff99f94c00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 9.945357][ T12] #4: ffffffff99f94c00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 9.945361][ T12] #5: ffffffff99f94ba0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x204/0x1b90 [ 9.945366][ T12] #6: ffffffff99f94c00 (rcu_read_lock){....}-{1:3}, at: ip6_tnl_xmit_ctl+0xfd/0x390 [ 9.945371][ T12] #7: ffffffff99f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.945374][ T12] #8: ffffffff99f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.945378][ T12] #9: ffffffff99e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.945381][ T12] #10: ffffffff99e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.945385][ T12] [ 9.945385][ T12] stack backtrace: [ 9.945389][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.945391][ T12] Tainted: [W]=WARN [ 9.945392][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.945394][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 9.945397][ T12] Call Trace: [ 9.945398][ T12] [ 9.945400][ T12] dump_stack_lvl+0x6f/0xa0 [ 9.945406][ T12] lockdep_rcu_suspicious.cold+0x37/0x8a [ 9.945412][ T12] __might_resched+0x2ac/0x390 [ 9.945416][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.945419][ T12] ? __kmalloc_noprof+0xdb/0x760 [ 9.945424][ T12] __kmalloc_noprof+0x443/0x760 [ 9.945426][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 9.945432][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 9.945435][ T12] alloc_buf.isra.0+0x4b/0x260 [ 9.945441][ T12] put_chars+0x1e1/0x2f0 [ 9.945443][ T12] ? __send_to_port+0x420/0x420 [ 9.945448][ T12] ? validate_chain+0x34a/0xc20 [ 9.945452][ T12] hvc_console_print+0x292/0x780 [ 9.945456][ T12] ? mark_usage+0x61/0x170 [ 9.945458][ T12] ? __lock_acquire+0x518/0xc20 [ 9.945460][ T12] ? __lock_acquire+0x518/0xc20 [ 9.945464][ T12] ? hvc_write+0x3a0/0x3a0 [ 9.945466][ T12] ? console_emit_next_record+0x1df/0x4c0 [ 9.945470][ T12] ? rcu_is_watching+0x16/0xd0 [ 9.945473][ T12] ? lock_acquire+0x13c/0x160 [ 9.945477][ T12] console_emit_next_record+0x22f/0x4c0 [ 9.945481][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 9.945482][ T12] ? console_flush_one_record+0x106/0x710 [ 9.945486][ T12] ? rcu_is_watching+0x16/0xd0 [ 9.945488][ T12] ? lock_acquire+0x13c/0x160 [ 9.945492][ T12] console_flush_one_record+0x46f/0x710 [ 9.945496][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 9.945498][ T12] ? __lock_acquire+0x518/0xc20 [ 9.945503][ T12] console_unlock+0xee/0x1f0 [ 9.945506][ T12] ? console_flush_one_record+0x710/0x710 [ 9.945508][ T12] ? rcu_is_watching+0x16/0xd0 [ 9.945510][ T12] ? lock_acquire+0xe0/0x160 [ 9.945513][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.945515][ T12] ? vprintk_emit+0x320/0x3e0 [ 9.945518][ T12] vprintk_emit+0x37c/0x3e0 [ 9.945521][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 9.945524][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 9.945528][ T12] _printk+0xc7/0x100 [ 9.945532][ T12] ? snapshot_read.cold+0x21/0x21 [ 9.945533][ T12] ? ___ratelimit+0x4e7/0xa00 [ 9.945539][ T12] ? idr_get_free+0x830/0x830 [ 9.945544][ T12] ip6_tnl_xmit_ctl.cold+0x75/0x7a [ 9.945549][ T12] ip6gre_tunnel_xmit+0x209/0xe40 [ip6_gre] [ 9.945553][ T12] ? validate_chain+0x38b/0xc20 [ 9.945556][ T12] ? __gre6_xmit+0x19a0/0x19a0 [ip6_gre] [ 9.945558][ T12] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.945561][ T12] ? rcu_read_lock_any_held+0x3c/0x90 [ 9.945563][ T12] ? validate_chain+0x38b/0xc20 [ 9.945566][ T12] ? netif_skb_features+0x662/0x14e0 [ 9.945568][ T12] ? __lock_acquire+0x518/0xc20 [ 9.945572][ T12] ? skb_network_protocol+0x3b0/0x3b0 [ 9.945576][ T12] ? rcu_is_watching+0x16/0xd0 [ 9.945578][ T12] dev_hard_start_xmit+0xf4/0x620 [ 9.945581][ T12] ? validate_xmit_skb+0x72/0x9a0 [ 9.945585][ T12] __dev_queue_xmit+0xc1a/0x1b90 [ 9.945588][ T12] ? __lock_acquire+0x518/0xc20 [ 9.945590][ T12] ? ipv6_setsockopt+0x68/0xf0 [ 9.945595][ T12] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 9.945596][ T12] ? find_held_lock+0x2b/0x80 [ 9.945599][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 9.945601][ T12] ? __rwlock_init+0x150/0x150 [ 9.945603][ T12] ? mark_held_locks+0x40/0x70 [ 9.945606][ T12] ? lockdep_hardirqs_on+0x91/0x130 [ 9.945609][ T12] ? __local_bh_enable_ip+0xaa/0x150 [ 9.945612][ T12] ? __local_bh_enable_ip+0xaa/0x150 [ 9.945614][ T12] ? ___neigh_create+0x811/0x1070 [ 9.945620][ T12] ip6_finish_output2+0x48d/0x13f0 [ 9.945626][ T12] ? ip6_dst_lookup+0x80/0x80 [ 9.945628][ T12] ? find_held_lock+0x2b/0x80 [ 9.945630][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 9.945634][ T12] ? ip6_mtu+0x174/0x410 [ 9.945639][ T12] ip6_finish_output+0x701/0xe80 [ 9.945643][ T12] ip6_output+0x23f/0x7f0 [ 9.945646][ T12] ? ip6_finish_output+0xe80/0xe80 [ 9.945649][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 9.945650][ T12] ? find_held_lock+0x2b/0x80 [ 9.945653][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 9.945655][ T12] ? __local_bh_enable_ip+0xaa/0x150 [ 9.945659][ T12] ndisc_send_skb+0xba3/0x1520 [ 9.945664][ T12] ? ndisc_recv_na+0xea0/0xea0 [ 9.945670][ T12] ? __asan_memset+0x27/0x50 [ 9.945676][ T12] addrconf_dad_completed+0x37e/0xe10 [ 9.945679][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 9.945682][ T12] ? addrconf_rs_timer+0x770/0x770 [ 9.945684][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 9.945685][ T12] ? __rwlock_init+0x150/0x150 [ 9.945688][ T12] ? mark_held_locks+0x40/0x70 [ 9.945691][ T12] ? addrconf_dad_begin+0x2e1/0x540 [ 9.945693][ T12] addrconf_dad_begin+0x2e1/0x540 [ 9.945695][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 9.945698][ T12] ? addrconf_dad_completed+0xe10/0xe10 [ 9.945699][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 9.945701][ T12] ? __rwlock_init+0x150/0x150 [ 9.945703][ T12] ? mark_held_locks+0x40/0x70 [ 9.945708][ T12] addrconf_dad_work+0x170/0x930 [ 9.945711][ T12] ? addrconf_dad_begin+0x540/0x540 [ 9.945714][ T12] ? rcu_is_watching+0x16/0xd0 [ 9.945715][ T12] ? rcu_is_watching+0x16/0xd0 [ 9.945717][ T12] ? lock_acquire+0x13c/0x160 [ 9.945719][ T12] ? rcu_is_watching+0x16/0xd0 [ 9.945722][ T12] process_one_work+0xe3e/0x1560 [ 9.945729][ T12] ? __queue_delayed_work+0x470/0x470 [ 9.945732][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 9.945739][ T12] worker_thread+0x4f1/0xd60 [ 9.945747][ T12] ? rescuer_thread+0x1340/0x1340 [ 9.945749][ T12] kthread+0x367/0x460 [ 9.945751][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 9.945755][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 9.945758][ T12] ret_from_fork+0x474/0x6b0 [ 9.945762][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 9.945765][ T12] ? __switch_to+0x5a3/0xe00 [ 9.945769][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 9.945772][ T12] ret_from_fork_asm+0x11/0x20 [ 9.945780][ T12] [ 10.032232][ T12] ip6_tunnel: gre1 xmit: Local address not yet configured! [ 12.525305][ T270] socat (270) used greatest stack depth: 22560 bytes left [ 12.525323][ T270] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.525325][ T270] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 270, name: socat [ 12.525326][ T270] preempt_count: 2, expected: 0 [ 12.525327][ T270] RCU nest depth: 0, expected: 0 [ 12.525328][ T270] locks held by socat/270: 5, last CPU#3: [ 12.525329][ T270] #0: ffffffff99e167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 12.525340][ T270] #1: ffffffff99f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.525345][ T270] #2: ffffffff99f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.525349][ T270] #3: ffffffff99e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.525353][ T270] #4: ffffffff99e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.525356][ T270] irq event stamp: 133048 [ 12.525357][ T270] hardirqs last enabled at (133047): [] __down_trylock_console_sem+0x86/0xa0 [ 12.525360][ T270] hardirqs last disabled at (133048): [] console_emit_next_record+0x3d4/0x4c0 [ 12.525362][ T270] softirqs last enabled at (132488): [] handle_softirqs+0x67c/0x900 [ 12.525365][ T270] softirqs last disabled at (132429): [] __irq_exit_rcu+0x145/0x1c0 [ 12.525367][ T270] Preemption disabled at: [ 12.525368][ T270] [<0000000000000000>] 0x0 [ 12.525374][ T270] CPU: 3 UID: 0 PID: 270 Comm: socat Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.525377][ T270] Tainted: [W]=WARN [ 12.525378][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.525380][ T270] Call Trace: [ 12.525382][ T270] [ 12.525383][ T270] dump_stack_lvl+0x6f/0xa0 [ 12.525390][ T270] __might_resched.cold+0x1fe/0x2c1 [ 12.525394][ T270] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.525398][ T270] ? __kmalloc_noprof+0xdb/0x760 [ 12.525403][ T270] __kmalloc_noprof+0x443/0x760 [ 12.525404][ T270] ? alloc_buf.isra.0+0x4b/0x260 [ 12.525411][ T270] ? do_raw_spin_unlock+0x59/0x250 [ 12.525414][ T270] alloc_buf.isra.0+0x4b/0x260 [ 12.525417][ T270] put_chars+0x1e1/0x2f0 [ 12.525420][ T270] ? __send_to_port+0x420/0x420 [ 12.525421][ T270] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.525424][ T270] ? validate_chain+0x38b/0xc20 [ 12.525429][ T270] hvc_console_print+0x292/0x780 [ 12.525437][ T270] ? hvc_write+0x3a0/0x3a0 [ 12.525441][ T270] ? rcu_is_watching+0x16/0xd0 [ 12.525444][ T270] ? lock_acquire+0x13c/0x160 [ 12.525448][ T270] console_emit_next_record+0x22f/0x4c0 [ 12.525451][ T270] ? devkmsg_read+0x4b0/0x4b0 [ 12.525453][ T270] ? console_flush_one_record+0x106/0x710 [ 12.525456][ T270] ? rcu_is_watching+0x16/0xd0 [ 12.525458][ T270] ? lock_acquire+0x13c/0x160 [ 12.525462][ T270] console_flush_one_record+0x46f/0x710 [ 12.525466][ T270] ? console_emit_next_record+0x4c0/0x4c0 [ 12.525468][ T270] ? __lock_acquire+0x518/0xc20 [ 12.525473][ T270] console_unlock+0xee/0x1f0 [ 12.525476][ T270] ? console_flush_one_record+0x710/0x710 [ 12.525478][ T270] ? rcu_is_watching+0x16/0xd0 [ 12.525479][ T270] ? lock_acquire+0xe0/0x160 [ 12.525483][ T270] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.525485][ T270] ? vprintk_emit+0x320/0x3e0 [ 12.525487][ T270] vprintk_emit+0x37c/0x3e0 [ 12.525491][ T270] ? wake_up_klogd_work_func+0x90/0x90 [ 12.525492][ T270] ? do_raw_spin_unlock+0x59/0x250 [ 12.525495][ T270] ? __lock_acquire+0x518/0xc20 [ 12.525498][ T270] _printk+0xc7/0x100 [ 12.525502][ T270] ? snapshot_read.cold+0x21/0x21 [ 12.525505][ T270] ? do_raw_spin_lock+0x131/0x280 [ 12.525507][ T270] ? __rwlock_init+0x150/0x150 [ 12.525511][ T270] ? do_raw_spin_lock+0x131/0x280 [ 12.525514][ T270] do_exit.cold+0x82/0x9c [ 12.525517][ T270] ? exit_notify+0x890/0x890 [ 12.525519][ T270] ? __lock_release.isra.0+0x69/0x1a0 [ 12.525521][ T270] ? rcu_is_watching+0x16/0xd0 [ 12.525525][ T270] do_group_exit+0xb8/0x370 [ 12.525527][ T270] __x64_sys_exit_group+0x3c/0x50 [ 12.525529][ T270] x64_sys_call+0x1567/0x1570 [ 12.525532][ T270] do_syscall_64+0xff/0x530 [ 12.525536][ T270] ? exc_page_fault+0xee/0x100 [ 12.525539][ T270] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.525541][ T270] RIP: 0033:0x7f6db106e1b8 [ 12.525543][ T270] Code: Unable to access opcode bytes at 0x7f6db106e18e. [ 12.525544][ T270] RSP: 002b:00007ffcf3868828 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.525546][ T270] RAX: ffffffffffffffda RBX: 00007f6db119ef88 RCX: 00007f6db106e1b8 [ 12.525548][ T270] RDX: 00007f6db0f53e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 12.525549][ T270] RBP: 00007ffcf3868880 R08: 0000000000000000 R09: 0000000000004010 [ 12.525550][ T270] R10: 00007ffcf3868680 R11: 0000000000000246 R12: 0000000000000003 [ 12.525551][ T270] R13: 0000000000000000 R14: 00007f6db119d680 R15: 00007f6db119efa0 [ 12.525557][ T270] [ 12.927008][ T286] socat (286) used greatest stack depth: 21664 bytes left