[ 11.412823][ T210] ip (210) used greatest stack depth: 23744 bytes left [ 11.412844][ T210] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.412847][ T210] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 210, name: ip [ 11.412849][ T210] preempt_count: 2, expected: 0 [ 11.412850][ T210] RCU nest depth: 0, expected: 0 [ 11.412852][ T210] locks held by ip/210: 5, last CPU#0: [ 11.412854][ T210] #0: ffffffffbba167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.412869][ T210] #1: ffffffffbbb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.412875][ T210] #2: ffffffffbbb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.412882][ T210] #3: ffffffffbba9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.412888][ T210] #4: ffffffffbba9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.412894][ T210] irq event stamp: 33386 [ 11.412896][ T210] hardirqs last enabled at (33385): [] __down_trylock_console_sem+0x86/0xa0 [ 11.412900][ T210] hardirqs last disabled at (33386): [] console_emit_next_record+0x3d4/0x4c0 [ 11.412903][ T210] softirqs last enabled at (32080): [] handle_softirqs+0x67c/0x900 [ 11.412906][ T210] softirqs last disabled at (31777): [] __irq_exit_rcu+0x145/0x1c0 [ 11.412910][ T210] Preemption disabled at: [ 11.412911][ T210] [<0000000000000000>] 0x0 [ 11.412919][ T210] CPU: 0 UID: 0 PID: 210 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.412924][ T210] Tainted: [W]=WARN [ 11.412926][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.412928][ T210] Call Trace: [ 11.412930][ T210] [ 11.412932][ T210] dump_stack_lvl+0x6f/0xa0 [ 11.412940][ T210] __might_resched.cold+0x1fe/0x2c1 [ 11.412946][ T210] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.412952][ T210] ? __kmalloc_noprof+0xdb/0x760 [ 11.412959][ T210] __kmalloc_noprof+0x443/0x760 [ 11.412962][ T210] ? alloc_buf.isra.0+0x4b/0x260 [ 11.412972][ T210] ? do_raw_spin_unlock+0x59/0x250 [ 11.412975][ T210] alloc_buf.isra.0+0x4b/0x260 [ 11.412981][ T210] put_chars+0x1e1/0x2f0 [ 11.412985][ T210] ? __send_to_port+0x420/0x420 [ 11.412988][ T210] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.412993][ T210] ? validate_chain+0x38b/0xc20 [ 11.413003][ T210] hvc_console_print+0x292/0x780 [ 11.413015][ T210] ? hvc_write+0x3a0/0x3a0 [ 11.413019][ T210] ? rcu_is_watching+0x16/0xd0 [ 11.413023][ T210] ? lock_acquire+0x13c/0x160 [ 11.413030][ T210] console_emit_next_record+0x22f/0x4c0 [ 11.413037][ T210] ? devkmsg_read+0x4b0/0x4b0 [ 11.413039][ T210] ? console_flush_one_record+0x106/0x710 [ 11.413045][ T210] ? rcu_is_watching+0x16/0xd0 [ 11.413048][ T210] ? lock_acquire+0x13c/0x160 [ 11.413055][ T210] console_flush_one_record+0x46f/0x710 [ 11.413062][ T210] ? console_emit_next_record+0x4c0/0x4c0 [ 11.413065][ T210] ? __lock_acquire+0x518/0xc20 [ 11.413075][ T210] console_unlock+0xee/0x1f0 [ 11.413079][ T210] ? console_flush_one_record+0x710/0x710 [ 11.413082][ T210] ? rcu_is_watching+0x16/0xd0 [ 11.413085][ T210] ? lock_acquire+0xe0/0x160 [ 11.413092][ T210] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.413094][ T210] ? vprintk_emit+0x320/0x3e0 [ 11.413100][ T210] vprintk_emit+0x37c/0x3e0 [ 11.413105][ T210] ? wake_up_klogd_work_func+0x90/0x90 [ 11.413110][ T210] ? __lock_acquire+0x518/0xc20 [ 11.413117][ T210] _printk+0xc7/0x100 [ 11.413122][ T210] ? snapshot_read.cold+0x21/0x21 [ 11.413127][ T210] ? do_raw_spin_lock+0x131/0x280 [ 11.413131][ T210] ? __rwlock_init+0x150/0x150 [ 11.413137][ T210] ? do_raw_spin_lock+0x131/0x280 [ 11.413140][ T210] do_exit.cold+0x82/0x9c [ 11.413145][ T210] ? exit_notify+0x890/0x890 [ 11.413147][ T210] ? __lock_release.isra.0+0x69/0x1a0 [ 11.413151][ T210] ? rcu_is_watching+0x16/0xd0 [ 11.413156][ T210] do_group_exit+0xb8/0x370 [ 11.413160][ T210] __x64_sys_exit_group+0x3c/0x50 [ 11.413163][ T210] x64_sys_call+0x1567/0x1570 [ 11.413166][ T210] do_syscall_64+0xff/0x530 [ 11.413171][ T210] ? exc_page_fault+0xee/0x100 [ 11.413175][ T210] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.413177][ T210] RIP: 0033:0x7fa157cd81b8 [ 11.413180][ T210] Code: Unable to access opcode bytes at 0x7fa157cd818e. [ 11.413182][ T210] RSP: 002b:00007fffef2b8528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.413184][ T210] RAX: ffffffffffffffda RBX: 00007fa157e08f88 RCX: 00007fa157cd81b8 [ 11.413186][ T210] RDX: 00007fa157a22fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.413187][ T210] RBP: 00007fffef2b8580 R08: 0000000000000000 R09: 0000000000000050 [ 11.413188][ T210] R10: 00007fffef2b8340 R11: 0000000000000246 R12: 0000000000000001 [ 11.413190][ T210] R13: 0000000000000000 R14: 00007fa157e07680 R15: 00007fa157e08fa0 [ 11.413200][ T210] [ 11.718789][ T217] veth0: renamed from veth1 [ 12.068210][ T247] gre: GRE over IPv4 demultiplexer driver [ 12.085011][ T247] ip6_gre: GRE over IPv6 tunneling driver [ 12.169365][ T12] ip6_tunnel: gre1 xmit: Local address not yet configured! [ 12.169457][ T12] [ 12.169459][ T12] ============================= [ 12.169460][ T12] WARNING: suspicious RCU usage [ 12.169462][ T12] 7.2.0-virtme #1 Tainted: G W [ 12.169464][ T12] ----------------------------- [ 12.169465][ T12] kernel/sched/core.c:9196 Illegal context switch in RCU-bh read-side critical section! [ 12.169467][ T12] [ 12.169467][ T12] other info that might help us debug this: [ 12.169467][ T12] [ 12.169468][ T12] [ 12.169468][ T12] rcu_scheduler_active = 2, debug_locks = 1 [ 12.169470][ T12] locks held by kworker/u16:0/12: 11, last CPU#0: [ 12.169473][ T12] #0: ff110000091ce540 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 12.169488][ T12] #1: ffa00000000c7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 12.169494][ T12] #2: ffffffffbc31b740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 12.169502][ T12] #3: ffffffffbbb94c00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 12.169509][ T12] #4: ffffffffbbb94c00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 12.169515][ T12] #5: ffffffffbbb94ba0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x204/0x1b90 [ 12.169522][ T12] #6: ffffffffbbb94c00 (rcu_read_lock){....}-{1:3}, at: ip6_tnl_xmit_ctl+0xfd/0x390 [ 12.169529][ T12] #7: ffffffffbbb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.169535][ T12] #8: ffffffffbbb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.169542][ T12] #9: ffffffffbba9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.169547][ T12] #10: ffffffffbba9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.169553][ T12] [ 12.169553][ T12] stack backtrace: [ 12.169557][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.169561][ T12] Tainted: [W]=WARN [ 12.169563][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.169565][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 12.169569][ T12] Call Trace: [ 12.169572][ T12] [ 12.169574][ T12] dump_stack_lvl+0x6f/0xa0 [ 12.169583][ T12] lockdep_rcu_suspicious.cold+0x37/0x8a [ 12.169591][ T12] __might_resched+0x2ac/0x390 [ 12.169597][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.169602][ T12] ? __kmalloc_noprof+0xdb/0x760 [ 12.169609][ T12] __kmalloc_noprof+0x443/0x760 [ 12.169612][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 12.169622][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 12.169626][ T12] alloc_buf.isra.0+0x4b/0x260 [ 12.169632][ T12] put_chars+0x1e1/0x2f0 [ 12.169636][ T12] ? __send_to_port+0x420/0x420 [ 12.169645][ T12] ? validate_chain+0x34a/0xc20 [ 12.169652][ T12] hvc_console_print+0x292/0x780 [ 12.169657][ T12] ? mark_usage+0x61/0x170 [ 12.169660][ T12] ? __lock_acquire+0x518/0xc20 [ 12.169662][ T12] ? __lock_acquire+0x518/0xc20 [ 12.169675][ T12] ? hvc_write+0x3a0/0x3a0 [ 12.169679][ T12] ? console_emit_next_record+0x1df/0x4c0 [ 12.169685][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.169690][ T12] ? lock_acquire+0x13c/0x160 [ 12.169698][ T12] console_emit_next_record+0x22f/0x4c0 [ 12.169707][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 12.169709][ T12] ? console_flush_one_record+0x106/0x710 [ 12.169715][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.169718][ T12] ? lock_acquire+0x13c/0x160 [ 12.169726][ T12] console_flush_one_record+0x46f/0x710 [ 12.169733][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 12.169736][ T12] ? __lock_acquire+0x518/0xc20 [ 12.169746][ T12] console_unlock+0xee/0x1f0 [ 12.169751][ T12] ? console_flush_one_record+0x710/0x710 [ 12.169754][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.169757][ T12] ? lock_acquire+0xe0/0x160 [ 12.169764][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.169767][ T12] ? vprintk_emit+0x320/0x3e0 [ 12.169773][ T12] vprintk_emit+0x37c/0x3e0 [ 12.169779][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 12.169783][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 12.169791][ T12] _printk+0xc7/0x100 [ 12.169797][ T12] ? snapshot_read.cold+0x21/0x21 [ 12.169799][ T12] ? ___ratelimit+0x4e7/0xa00 [ 12.169808][ T12] ? idr_get_free+0x830/0x830 [ 12.169817][ T12] ip6_tnl_xmit_ctl.cold+0x75/0x7a [ 12.169825][ T12] ip6gre_tunnel_xmit+0x209/0xe40 [ip6_gre] [ 12.169835][ T12] ? __gre6_xmit+0x19a0/0x19a0 [ip6_gre] [ 12.169840][ T12] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.169844][ T12] ? __bfs+0x1e6/0x310 [ 12.169851][ T12] ? netif_skb_features+0x662/0x14e0 [ 12.169855][ T12] ? __lock_acquire+0x518/0xc20 [ 12.169861][ T12] ? skb_network_protocol+0x3b0/0x3b0 [ 12.169869][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.169872][ T12] dev_hard_start_xmit+0xf4/0x620 [ 12.169878][ T12] ? validate_xmit_skb+0x72/0x9a0 [ 12.169884][ T12] __dev_queue_xmit+0xc1a/0x1b90 [ 12.169890][ T12] ? __lock_acquire+0x518/0xc20 [ 12.169893][ T12] ? ipv6_setsockopt+0x65/0xf0 [ 12.169902][ T12] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 12.169904][ T12] ? find_held_lock+0x2b/0x80 [ 12.169910][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 12.169913][ T12] ? __rwlock_init+0x150/0x150 [ 12.169919][ T12] ? mark_held_locks+0x40/0x70 [ 12.169925][ T12] ? lockdep_hardirqs_on+0x91/0x130 [ 12.169928][ T12] ? __local_bh_enable_ip+0xaa/0x150 [ 12.169932][ T12] ? __local_bh_enable_ip+0xaa/0x150 [ 12.169936][ T12] ? ___neigh_create+0x811/0x1070 [ 12.169946][ T12] ip6_finish_output2+0x48d/0x13f0 [ 12.169956][ T12] ? ip6_dst_lookup+0x80/0x80 [ 12.169959][ T12] ? find_held_lock+0x2b/0x80 [ 12.169964][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 12.169969][ T12] ? ip6_mtu+0x174/0x410 [ 12.169978][ T12] ip6_finish_output+0x701/0xe80 [ 12.169986][ T12] ip6_output+0x23f/0x7f0 [ 12.169991][ T12] ? ip6_finish_output+0xe80/0xe80 [ 12.169995][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 12.169998][ T12] ? find_held_lock+0x2b/0x80 [ 12.170003][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 12.170005][ T12] ? __local_bh_enable_ip+0xaa/0x150 [ 12.170013][ T12] ndisc_send_skb+0xba3/0x1520 [ 12.170022][ T12] ? ndisc_recv_na+0xea0/0xea0 [ 12.170033][ T12] ? __asan_memset+0x27/0x50 [ 12.170043][ T12] addrconf_dad_completed+0x37e/0xe10 [ 12.170048][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 12.170052][ T12] ? addrconf_rs_timer+0x770/0x770 [ 12.170056][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 12.170059][ T12] ? __rwlock_init+0x150/0x150 [ 12.170063][ T12] ? mark_held_locks+0x40/0x70 [ 12.170070][ T12] ? addrconf_dad_begin+0x2e1/0x540 [ 12.170073][ T12] addrconf_dad_begin+0x2e1/0x540 [ 12.170075][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 12.170081][ T12] ? addrconf_dad_completed+0xe10/0xe10 [ 12.170084][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 12.170086][ T12] ? __rwlock_init+0x150/0x150 [ 12.170090][ T12] ? mark_held_locks+0x40/0x70 [ 12.170098][ T12] addrconf_dad_work+0x170/0x930 [ 12.170105][ T12] ? addrconf_dad_begin+0x540/0x540 [ 12.170110][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.170112][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.170114][ T12] ? lock_acquire+0x13c/0x160 [ 12.170117][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.170123][ T12] process_one_work+0xe3e/0x1560 [ 12.170136][ T12] ? __queue_delayed_work+0x470/0x470 [ 12.170141][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 12.170156][ T12] worker_thread+0x4f1/0xd60 [ 12.170169][ T12] ? rescuer_thread+0x1340/0x1340 [ 12.170172][ T12] kthread+0x367/0x460 [ 12.170175][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 12.170180][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 12.170185][ T12] ret_from_fork+0x474/0x6b0 [ 12.170191][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 12.170197][ T12] ? __switch_to+0x5a3/0xe00 [ 12.170201][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 12.170206][ T12] ret_from_fork_asm+0x11/0x20 [ 12.170222][ T12] [ 12.294402][ T12] ip6_tunnel: gre1 xmit: Local address not yet configured! [ 14.866729][ T269] socat (269) used greatest stack depth: 22328 bytes left [ 14.866748][ T269] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.866750][ T269] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 269, name: socat [ 14.866752][ T269] preempt_count: 2, expected: 0 [ 14.866752][ T269] RCU nest depth: 0, expected: 0 [ 14.866753][ T269] locks held by socat/269: 5, last CPU#0: [ 14.866755][ T269] #0: ffffffffbba167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 14.866766][ T269] #1: ffffffffbbb7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.866771][ T269] #2: ffffffffbbb7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.866775][ T269] #3: ffffffffbba9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.866779][ T269] #4: ffffffffbba9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.866783][ T269] irq event stamp: 126690 [ 14.866783][ T269] hardirqs last enabled at (126689): [] __down_trylock_console_sem+0x86/0xa0 [ 14.866787][ T269] hardirqs last disabled at (126690): [] console_emit_next_record+0x3d4/0x4c0 [ 14.866789][ T269] softirqs last enabled at (126486): [] handle_softirqs+0x67c/0x900 [ 14.866791][ T269] softirqs last disabled at (126481): [] __irq_exit_rcu+0x145/0x1c0 [ 14.866794][ T269] Preemption disabled at: [ 14.866794][ T269] [<0000000000000000>] 0x0 [ 14.866801][ T269] CPU: 0 UID: 0 PID: 269 Comm: socat Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.866804][ T269] Tainted: [W]=WARN [ 14.866805][ T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.866807][ T269] Call Trace: [ 14.866808][ T269] [ 14.866810][ T269] dump_stack_lvl+0x6f/0xa0 [ 14.866817][ T269] __might_resched.cold+0x1fe/0x2c1 [ 14.866821][ T269] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.866825][ T269] ? __kmalloc_noprof+0xdb/0x760 [ 14.866829][ T269] __kmalloc_noprof+0x443/0x760 [ 14.866831][ T269] ? alloc_buf.isra.0+0x4b/0x260 [ 14.866838][ T269] ? do_raw_spin_unlock+0x59/0x250 [ 14.866840][ T269] alloc_buf.isra.0+0x4b/0x260 [ 14.866844][ T269] put_chars+0x1e1/0x2f0 [ 14.866846][ T269] ? __send_to_port+0x420/0x420 [ 14.866848][ T269] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.866851][ T269] ? validate_chain+0x38b/0xc20 [ 14.866856][ T269] hvc_console_print+0x292/0x780 [ 14.866864][ T269] ? hvc_write+0x3a0/0x3a0 [ 14.866867][ T269] ? rcu_is_watching+0x16/0xd0 [ 14.866869][ T269] ? lock_acquire+0x13c/0x160 [ 14.866873][ T269] console_emit_next_record+0x22f/0x4c0 [ 14.866877][ T269] ? devkmsg_read+0x4b0/0x4b0 [ 14.866878][ T269] ? console_flush_one_record+0x106/0x710 [ 14.866882][ T269] ? rcu_is_watching+0x16/0xd0 [ 14.866883][ T269] ? lock_acquire+0x13c/0x160 [ 14.866887][ T269] console_flush_one_record+0x46f/0x710 [ 14.866891][ T269] ? console_emit_next_record+0x4c0/0x4c0 [ 14.866893][ T269] ? __lock_acquire+0x518/0xc20 [ 14.866899][ T269] console_unlock+0xee/0x1f0 [ 14.866901][ T269] ? console_flush_one_record+0x710/0x710 [ 14.866903][ T269] ? rcu_is_watching+0x16/0xd0 [ 14.866905][ T269] ? lock_acquire+0xe0/0x160 [ 14.866909][ T269] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.866911][ T269] ? vprintk_emit+0x320/0x3e0 [ 14.866914][ T269] vprintk_emit+0x37c/0x3e0 [ 14.866918][ T269] ? wake_up_klogd_work_func+0x90/0x90 [ 14.866919][ T269] ? do_raw_spin_unlock+0x59/0x250 [ 14.866922][ T269] ? __lock_acquire+0x518/0xc20 [ 14.866926][ T269] _printk+0xc7/0x100 [ 14.866929][ T269] ? snapshot_read.cold+0x21/0x21 [ 14.866932][ T269] ? do_raw_spin_lock+0x131/0x280 [ 14.866934][ T269] ? __rwlock_init+0x150/0x150 [ 14.866938][ T269] ? do_raw_spin_lock+0x131/0x280 [ 14.866941][ T269] do_exit.cold+0x82/0x9c [ 14.866945][ T269] ? exit_notify+0x890/0x890 [ 14.866946][ T269] ? __lock_release.isra.0+0x69/0x1a0 [ 14.866949][ T269] ? rcu_is_watching+0x16/0xd0 [ 14.866952][ T269] do_group_exit+0xb8/0x370 [ 14.866955][ T269] __x64_sys_exit_group+0x3c/0x50 [ 14.866957][ T269] x64_sys_call+0x1567/0x1570 [ 14.866959][ T269] do_syscall_64+0xff/0x530 [ 14.866963][ T269] ? exc_page_fault+0xee/0x100 [ 14.866966][ T269] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.866969][ T269] RIP: 0033:0x7ff464cce1b8 [ 14.866971][ T269] Code: Unable to access opcode bytes at 0x7ff464cce18e. [ 14.866972][ T269] RSP: 002b:00007ffd14d20678 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.866974][ T269] RAX: ffffffffffffffda RBX: 00007ff464dfef88 RCX: 00007ff464cce1b8 [ 14.866976][ T269] RDX: 00007ff464bb3e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 14.866976][ T269] RBP: 00007ffd14d206d0 R08: 0000000000000000 R09: 0000000000004010 [ 14.866977][ T269] R10: 00007ffd14d204d0 R11: 0000000000000246 R12: 0000000000000003 [ 14.866978][ T269] R13: 0000000000000000 R14: 00007ff464dfd680 R15: 00007ff464dfefa0 [ 14.866985][ T269] [ 15.331610][ T285] socat (285) used greatest stack depth: 21616 bytes left