[ 10.503671][ T209] ip (209) used greatest stack depth: 24704 bytes left [ 10.503690][ T209] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.503692][ T209] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 209, name: ip [ 10.503693][ T209] preempt_count: 2, expected: 0 [ 10.503694][ T209] RCU nest depth: 0, expected: 0 [ 10.503695][ T209] locks held by ip/209: 5, last CPU#1: [ 10.503697][ T209] #0: ffffffff9ae167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.503708][ T209] #1: ffffffff9af7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.503712][ T209] #2: ffffffff9af7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.503717][ T209] #3: ffffffff9ae9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.503720][ T209] #4: ffffffff9ae9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.503724][ T209] irq event stamp: 19928 [ 10.503725][ T209] hardirqs last enabled at (19927): [] __down_trylock_console_sem+0x86/0xa0 [ 10.503728][ T209] hardirqs last disabled at (19928): [] console_emit_next_record+0x3d4/0x4c0 [ 10.503730][ T209] softirqs last enabled at (18654): [] handle_softirqs+0x67c/0x900 [ 10.503733][ T209] softirqs last disabled at (18533): [] __irq_exit_rcu+0x145/0x1c0 [ 10.503735][ T209] Preemption disabled at: [ 10.503736][ T209] [<0000000000000000>] 0x0 [ 10.503743][ T209] CPU: 1 UID: 0 PID: 209 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.503747][ T209] Tainted: [W]=WARN [ 10.503747][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.503749][ T209] Call Trace: [ 10.503750][ T209] [ 10.503752][ T209] dump_stack_lvl+0x6f/0xa0 [ 10.503758][ T209] __might_resched.cold+0x1fe/0x2c1 [ 10.503762][ T209] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.503767][ T209] ? __kmalloc_noprof+0xdb/0x760 [ 10.503771][ T209] __kmalloc_noprof+0x443/0x760 [ 10.503773][ T209] ? alloc_buf.isra.0+0x4b/0x260 [ 10.503780][ T209] ? do_raw_spin_unlock+0x59/0x250 [ 10.503782][ T209] alloc_buf.isra.0+0x4b/0x260 [ 10.503786][ T209] put_chars+0x1e1/0x2f0 [ 10.503789][ T209] ? __send_to_port+0x420/0x420 [ 10.503790][ T209] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.503793][ T209] ? validate_chain+0x38b/0xc20 [ 10.503799][ T209] hvc_console_print+0x292/0x780 [ 10.503806][ T209] ? hvc_write+0x3a0/0x3a0 [ 10.503809][ T209] ? rcu_is_watching+0x16/0xd0 [ 10.503811][ T209] ? lock_acquire+0x13c/0x160 [ 10.503815][ T209] console_emit_next_record+0x22f/0x4c0 [ 10.503819][ T209] ? devkmsg_read+0x4b0/0x4b0 [ 10.503821][ T209] ? console_flush_one_record+0x106/0x710 [ 10.503824][ T209] ? rcu_is_watching+0x16/0xd0 [ 10.503826][ T209] ? lock_acquire+0x13c/0x160 [ 10.503830][ T209] console_flush_one_record+0x46f/0x710 [ 10.503834][ T209] ? console_emit_next_record+0x4c0/0x4c0 [ 10.503836][ T209] ? __lock_acquire+0x518/0xc20 [ 10.503841][ T209] console_unlock+0xee/0x1f0 [ 10.503844][ T209] ? console_flush_one_record+0x710/0x710 [ 10.503846][ T209] ? rcu_is_watching+0x16/0xd0 [ 10.503847][ T209] ? lock_acquire+0xe0/0x160 [ 10.503851][ T209] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.503853][ T209] ? vprintk_emit+0x320/0x3e0 [ 10.503855][ T209] vprintk_emit+0x37c/0x3e0 [ 10.503858][ T209] ? wake_up_klogd_work_func+0x90/0x90 [ 10.503861][ T209] ? __lock_acquire+0x518/0xc20 [ 10.503865][ T209] _printk+0xc7/0x100 [ 10.503868][ T209] ? snapshot_read.cold+0x21/0x21 [ 10.503871][ T209] ? do_raw_spin_lock+0x131/0x280 [ 10.503874][ T209] ? __rwlock_init+0x150/0x150 [ 10.503878][ T209] ? do_raw_spin_lock+0x131/0x280 [ 10.503880][ T209] do_exit.cold+0x82/0x9c [ 10.503884][ T209] ? exit_notify+0x890/0x890 [ 10.503885][ T209] ? __lock_release.isra.0+0x69/0x1a0 [ 10.503888][ T209] ? rcu_is_watching+0x16/0xd0 [ 10.503892][ T209] do_group_exit+0xb8/0x370 [ 10.503894][ T209] __x64_sys_exit_group+0x3c/0x50 [ 10.503896][ T209] x64_sys_call+0x1567/0x1570 [ 10.503899][ T209] do_syscall_64+0xff/0x530 [ 10.503903][ T209] ? exc_page_fault+0xee/0x100 [ 10.503905][ T209] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.503908][ T209] RIP: 0033:0x7f49d439b1b8 [ 10.503910][ T209] Code: Unable to access opcode bytes at 0x7f49d439b18e. [ 10.503911][ T209] RSP: 002b:00007ffdc2156448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.503913][ T209] RAX: ffffffffffffffda RBX: 00007f49d44cbf88 RCX: 00007f49d439b1b8 [ 10.503914][ T209] RDX: 00007f49d40e5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.503915][ T209] RBP: 00007ffdc21564a0 R08: 0000000000000000 R09: 0000000000000050 [ 10.503916][ T209] R10: 00007ffdc2156260 R11: 0000000000000246 R12: 0000000000000001 [ 10.503917][ T209] R13: 0000000000000000 R14: 00007f49d44ca680 R15: 00007f49d44cbfa0 [ 10.503924][ T209] [ 10.693624][ T212] ip (212) used greatest stack depth: 24096 bytes left [ 10.813234][ T215] veth0: renamed from veth1 [ 11.093108][ T244] gre: GRE over IPv4 demultiplexer driver [ 11.106782][ T244] ip6_gre: GRE over IPv6 tunneling driver [ 11.198785][ T70] ip6_tunnel: gre1 xmit: Local address not yet configured! [ 11.198856][ T70] [ 11.198857][ T70] ============================= [ 11.198859][ T70] WARNING: suspicious RCU usage [ 11.198861][ T70] 7.2.0-virtme #1 Tainted: G W [ 11.198862][ T70] ----------------------------- [ 11.198863][ T70] kernel/sched/core.c:9196 Illegal context switch in RCU-bh read-side critical section! [ 11.198864][ T70] [ 11.198864][ T70] other info that might help us debug this: [ 11.198864][ T70] [ 11.198865][ T70] [ 11.198865][ T70] rcu_scheduler_active = 2, debug_locks = 1 [ 11.198866][ T70] locks held by kworker/u16:1/70: 11, last CPU#3: [ 11.198868][ T70] #0: ff1100000927e540 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 11.198880][ T70] #1: ffa00000004b7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 11.198884][ T70] #2: ffffffff9b71b740 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 11.198890][ T70] #3: ffffffff9af94c00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 11.198894][ T70] #4: ffffffff9af94c00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 11.198898][ T70] #5: ffffffff9af94ba0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x204/0x1b90 [ 11.198903][ T70] #6: ffffffff9af94c00 (rcu_read_lock){....}-{1:3}, at: ip6_tnl_xmit_ctl+0xfd/0x390 [ 11.198909][ T70] #7: ffffffff9af7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.198915][ T70] #8: ffffffff9af7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.198920][ T70] #9: ffffffff9ae9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.198924][ T70] #10: ffffffff9ae9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.198929][ T70] [ 11.198929][ T70] stack backtrace: [ 11.198932][ T70] CPU: 3 UID: 0 PID: 70 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.198935][ T70] Tainted: [W]=WARN [ 11.198936][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.198937][ T70] Workqueue: ipv6_addrconf addrconf_dad_work [ 11.198941][ T70] Call Trace: [ 11.198942][ T70] [ 11.198944][ T70] dump_stack_lvl+0x6f/0xa0 [ 11.198951][ T70] lockdep_rcu_suspicious.cold+0x37/0x8a [ 11.198957][ T70] __might_resched+0x2ac/0x390 [ 11.198961][ T70] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.198964][ T70] ? __kmalloc_noprof+0xdb/0x760 [ 11.198969][ T70] __kmalloc_noprof+0x443/0x760 [ 11.198973][ T70] ? alloc_buf.isra.0+0x4b/0x260 [ 11.198981][ T70] ? do_raw_spin_unlock+0x59/0x250 [ 11.198984][ T70] alloc_buf.isra.0+0x4b/0x260 [ 11.198988][ T70] put_chars+0x1e1/0x2f0 [ 11.198991][ T70] ? __send_to_port+0x420/0x420 [ 11.198996][ T70] ? validate_chain+0x34a/0xc20 [ 11.199001][ T70] hvc_console_print+0x292/0x780 [ 11.199005][ T70] ? mark_usage+0x61/0x170 [ 11.199007][ T70] ? __lock_acquire+0x518/0xc20 [ 11.199009][ T70] ? __lock_acquire+0x518/0xc20 [ 11.199014][ T70] ? hvc_write+0x3a0/0x3a0 [ 11.199017][ T70] ? console_emit_next_record+0x1df/0x4c0 [ 11.199021][ T70] ? rcu_is_watching+0x16/0xd0 [ 11.199024][ T70] ? lock_acquire+0x13c/0x160 [ 11.199028][ T70] console_emit_next_record+0x22f/0x4c0 [ 11.199033][ T70] ? devkmsg_read+0x4b0/0x4b0 [ 11.199040][ T70] ? console_flush_one_record+0x106/0x710 [ 11.199044][ T70] ? rcu_is_watching+0x16/0xd0 [ 11.199046][ T70] ? lock_acquire+0x13c/0x160 [ 11.199051][ T70] console_flush_one_record+0x46f/0x710 [ 11.199056][ T70] ? console_emit_next_record+0x4c0/0x4c0 [ 11.199058][ T70] ? __lock_acquire+0x518/0xc20 [ 11.199065][ T70] console_unlock+0xee/0x1f0 [ 11.199068][ T70] ? console_flush_one_record+0x710/0x710 [ 11.199070][ T70] ? rcu_is_watching+0x16/0xd0 [ 11.199072][ T70] ? lock_acquire+0xe0/0x160 [ 11.199077][ T70] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.199079][ T70] ? vprintk_emit+0x320/0x3e0 [ 11.199085][ T70] vprintk_emit+0x37c/0x3e0 [ 11.199091][ T70] ? wake_up_klogd_work_func+0x90/0x90 [ 11.199095][ T70] ? __lock_release.isra.0+0x69/0x1a0 [ 11.199104][ T70] _printk+0xc7/0x100 [ 11.199108][ T70] ? snapshot_read.cold+0x21/0x21 [ 11.199110][ T70] ? ___ratelimit+0x4e7/0xa00 [ 11.199116][ T70] ? idr_get_free+0x830/0x830 [ 11.199122][ T70] ip6_tnl_xmit_ctl.cold+0x75/0x7a [ 11.199128][ T70] ip6gre_tunnel_xmit+0x209/0xe40 [ip6_gre] [ 11.199134][ T70] ? validate_chain+0x38b/0xc20 [ 11.199137][ T70] ? __gre6_xmit+0x19a0/0x19a0 [ip6_gre] [ 11.199140][ T70] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.199143][ T70] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.199146][ T70] ? validate_chain+0x38b/0xc20 [ 11.199149][ T70] ? netif_skb_features+0x662/0x14e0 [ 11.199152][ T70] ? __lock_acquire+0x518/0xc20 [ 11.199155][ T70] ? skb_network_protocol+0x3b0/0x3b0 [ 11.199160][ T70] ? rcu_is_watching+0x16/0xd0 [ 11.199162][ T70] dev_hard_start_xmit+0xf4/0x620 [ 11.199166][ T70] ? validate_xmit_skb+0x72/0x9a0 [ 11.199170][ T70] __dev_queue_xmit+0xc1a/0x1b90 [ 11.199174][ T70] ? __lock_acquire+0x518/0xc20 [ 11.199176][ T70] ? ipv6_setsockopt+0x68/0xf0 [ 11.199182][ T70] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 11.199184][ T70] ? find_held_lock+0x2b/0x80 [ 11.199187][ T70] ? __lock_release.isra.0+0x69/0x1a0 [ 11.199189][ T70] ? __rwlock_init+0x150/0x150 [ 11.199192][ T70] ? mark_held_locks+0x40/0x70 [ 11.199195][ T70] ? lockdep_hardirqs_on+0x91/0x130 [ 11.199198][ T70] ? __local_bh_enable_ip+0xaa/0x150 [ 11.199201][ T70] ? __local_bh_enable_ip+0xaa/0x150 [ 11.199203][ T70] ? ___neigh_create+0x811/0x1070 [ 11.199211][ T70] ip6_finish_output2+0x48d/0x13f0 [ 11.199217][ T70] ? ip6_dst_lookup+0x80/0x80 [ 11.199220][ T70] ? find_held_lock+0x2b/0x80 [ 11.199223][ T70] ? __lock_release.isra.0+0x69/0x1a0 [ 11.199227][ T70] ? ip6_mtu+0x174/0x410 [ 11.199232][ T70] ip6_finish_output+0x701/0xe80 [ 11.199237][ T70] ip6_output+0x23f/0x7f0 [ 11.199244][ T70] ? ip6_finish_output+0xe80/0xe80 [ 11.199248][ T70] ? lock_acquire.part.0+0xd4/0x280 [ 11.199251][ T70] ? find_held_lock+0x2b/0x80 [ 11.199256][ T70] ? __lock_release.isra.0+0x69/0x1a0 [ 11.199258][ T70] ? __local_bh_enable_ip+0xaa/0x150 [ 11.199263][ T70] ndisc_send_skb+0xba3/0x1520 [ 11.199268][ T70] ? ndisc_recv_na+0xea0/0xea0 [ 11.199276][ T70] ? __asan_memset+0x27/0x50 [ 11.199283][ T70] addrconf_dad_completed+0x37e/0xe10 [ 11.199286][ T70] ? lock_acquire.part.0+0xd4/0x280 [ 11.199289][ T70] ? addrconf_rs_timer+0x770/0x770 [ 11.199291][ T70] ? __lock_release.isra.0+0x69/0x1a0 [ 11.199293][ T70] ? __rwlock_init+0x150/0x150 [ 11.199296][ T70] ? mark_held_locks+0x40/0x70 [ 11.199300][ T70] ? addrconf_dad_begin+0x2e1/0x540 [ 11.199302][ T70] addrconf_dad_begin+0x2e1/0x540 [ 11.199304][ T70] ? lock_acquire.part.0+0xd4/0x280 [ 11.199307][ T70] ? addrconf_dad_completed+0xe10/0xe10 [ 11.199309][ T70] ? __lock_release.isra.0+0x69/0x1a0 [ 11.199311][ T70] ? __rwlock_init+0x150/0x150 [ 11.199313][ T70] ? mark_held_locks+0x40/0x70 [ 11.199318][ T70] addrconf_dad_work+0x170/0x930 [ 11.199322][ T70] ? addrconf_dad_begin+0x540/0x540 [ 11.199325][ T70] ? rcu_is_watching+0x16/0xd0 [ 11.199327][ T70] ? rcu_is_watching+0x16/0xd0 [ 11.199328][ T70] ? lock_acquire+0x13c/0x160 [ 11.199330][ T70] ? rcu_is_watching+0x16/0xd0 [ 11.199334][ T70] process_one_work+0xe3e/0x1560 [ 11.199341][ T70] ? __queue_delayed_work+0x470/0x470 [ 11.199344][ T70] ? lock_acquire.part.0+0xd4/0x280 [ 11.199352][ T70] worker_thread+0x4f1/0xd60 [ 11.199357][ T70] ? rescuer_thread+0x1340/0x1340 [ 11.199359][ T70] ? __kthread_parkme+0xbd/0x210 [ 11.199362][ T70] ? rescuer_thread+0x1340/0x1340 [ 11.199365][ T70] ? rescuer_thread+0x1340/0x1340 [ 11.199367][ T70] kthread+0x367/0x460 [ 11.199369][ T70] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 11.199372][ T70] ? kthread_affine_preferred+0x4c0/0x4c0 [ 11.199375][ T70] ret_from_fork+0x474/0x6b0 [ 11.199380][ T70] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 11.199383][ T70] ? __switch_to+0x5a3/0xe00 [ 11.199387][ T70] ? kthread_affine_preferred+0x4c0/0x4c0 [ 11.199390][ T70] ret_from_fork_asm+0x11/0x20 [ 11.199400][ T70] [ 11.304953][ T70] ip6_tunnel: gre1 xmit: Local address not yet configured! [ 13.819367][ T266] socat (266) used greatest stack depth: 22464 bytes left [ 13.819387][ T266] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.819389][ T266] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 266, name: socat [ 13.819390][ T266] preempt_count: 2, expected: 0 [ 13.819391][ T266] RCU nest depth: 0, expected: 0 [ 13.819392][ T266] locks held by socat/266: 5, last CPU#0: [ 13.819394][ T266] #0: ffffffff9ae167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 13.819405][ T266] #1: ffffffff9af7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.819410][ T266] #2: ffffffff9af7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.819414][ T266] #3: ffffffff9ae9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.819418][ T266] #4: ffffffff9ae9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.819422][ T266] irq event stamp: 133040 [ 13.819423][ T266] hardirqs last enabled at (133039): [] __down_trylock_console_sem+0x86/0xa0 [ 13.819426][ T266] hardirqs last disabled at (133040): [] console_emit_next_record+0x3d4/0x4c0 [ 13.819429][ T266] softirqs last enabled at (132034): [] unix_release_sock+0x446/0xe60 [ 13.819433][ T266] softirqs last disabled at (132032): [] unix_release_sock+0x39f/0xe60 [ 13.819435][ T266] Preemption disabled at: [ 13.819435][ T266] [<0000000000000000>] 0x0 [ 13.819442][ T266] CPU: 0 UID: 0 PID: 266 Comm: socat Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.819446][ T266] Tainted: [W]=WARN [ 13.819447][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.819448][ T266] Call Trace: [ 13.819450][ T266] [ 13.819452][ T266] dump_stack_lvl+0x6f/0xa0 [ 13.819459][ T266] __might_resched.cold+0x1fe/0x2c1 [ 13.819463][ T266] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.819467][ T266] ? __kmalloc_noprof+0xdb/0x760 [ 13.819472][ T266] __kmalloc_noprof+0x443/0x760 [ 13.819474][ T266] ? alloc_buf.isra.0+0x4b/0x260 [ 13.819480][ T266] ? do_raw_spin_unlock+0x59/0x250 [ 13.819483][ T266] alloc_buf.isra.0+0x4b/0x260 [ 13.819486][ T266] put_chars+0x1e1/0x2f0 [ 13.819489][ T266] ? __send_to_port+0x420/0x420 [ 13.819490][ T266] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.819493][ T266] ? validate_chain+0x38b/0xc20 [ 13.819499][ T266] hvc_console_print+0x292/0x780 [ 13.819506][ T266] ? hvc_write+0x3a0/0x3a0 [ 13.819509][ T266] ? rcu_is_watching+0x16/0xd0 [ 13.819511][ T266] ? lock_acquire+0x13c/0x160 [ 13.819515][ T266] console_emit_next_record+0x22f/0x4c0 [ 13.819519][ T266] ? devkmsg_read+0x4b0/0x4b0 [ 13.819521][ T266] ? console_flush_one_record+0x106/0x710 [ 13.819524][ T266] ? rcu_is_watching+0x16/0xd0 [ 13.819526][ T266] ? lock_acquire+0x13c/0x160 [ 13.819530][ T266] console_flush_one_record+0x46f/0x710 [ 13.819534][ T266] ? console_emit_next_record+0x4c0/0x4c0 [ 13.819536][ T266] ? __lock_acquire+0x518/0xc20 [ 13.819541][ T266] console_unlock+0xee/0x1f0 [ 13.819544][ T266] ? console_flush_one_record+0x710/0x710 [ 13.819546][ T266] ? rcu_is_watching+0x16/0xd0 [ 13.819547][ T266] ? lock_acquire+0xe0/0x160 [ 13.819551][ T266] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.819553][ T266] ? vprintk_emit+0x320/0x3e0 [ 13.819556][ T266] vprintk_emit+0x37c/0x3e0 [ 13.819559][ T266] ? wake_up_klogd_work_func+0x90/0x90 [ 13.819560][ T266] ? do_raw_spin_unlock+0x59/0x250 [ 13.819563][ T266] ? __lock_acquire+0x518/0xc20 [ 13.819567][ T266] _printk+0xc7/0x100 [ 13.819570][ T266] ? snapshot_read.cold+0x21/0x21 [ 13.819573][ T266] ? do_raw_spin_lock+0x131/0x280 [ 13.819576][ T266] ? __rwlock_init+0x150/0x150 [ 13.819580][ T266] ? do_raw_spin_lock+0x131/0x280 [ 13.819582][ T266] do_exit.cold+0x82/0x9c [ 13.819586][ T266] ? exit_notify+0x890/0x890 [ 13.819588][ T266] ? __lock_release.isra.0+0x69/0x1a0 [ 13.819590][ T266] ? rcu_is_watching+0x16/0xd0 [ 13.819594][ T266] do_group_exit+0xb8/0x370 [ 13.819597][ T266] __x64_sys_exit_group+0x3c/0x50 [ 13.819598][ T266] x64_sys_call+0x1567/0x1570 [ 13.819601][ T266] do_syscall_64+0xff/0x530 [ 13.819605][ T266] ? exc_page_fault+0xee/0x100 [ 13.819608][ T266] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.819610][ T266] RIP: 0033:0x7f6a908031b8 [ 13.819612][ T266] Code: Unable to access opcode bytes at 0x7f6a9080318e. [ 13.819613][ T266] RSP: 002b:00007fff16421588 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.819616][ T266] RAX: ffffffffffffffda RBX: 00007f6a90933f88 RCX: 00007f6a908031b8 [ 13.819617][ T266] RDX: 00007f6a906e8e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 13.819618][ T266] RBP: 00007fff164215e0 R08: 0000000000000000 R09: 0000000000004010 [ 13.819619][ T266] R10: 00007fff164213e0 R11: 0000000000000246 R12: 0000000000000003 [ 13.819620][ T266] R13: 0000000000000000 R14: 00007f6a90932680 R15: 00007f6a90933fa0 [ 13.819627][ T266] [ 14.169766][ T279] socat (279) used greatest stack depth: 21856 bytes left