[ 9.522151][ T187] ip (187) used greatest stack depth: 23808 bytes left [ 9.522167][ T187] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.522169][ T187] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 187, name: ip [ 9.522170][ T187] preempt_count: 2, expected: 0 [ 9.522171][ T187] RCU nest depth: 0, expected: 0 [ 9.522172][ T187] locks held by ip/187: 5, last CPU#3: [ 9.522175][ T187] #0: ffffffff85e027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.522188][ T187] #1: ffffffff85f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.522193][ T187] #2: ffffffff85f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.522197][ T187] #3: ffffffff85e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.522201][ T187] #4: ffffffff85e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.522205][ T187] irq event stamp: 44984 [ 9.522206][ T187] hardirqs last enabled at (44983): [] __down_trylock_console_sem+0x86/0xa0 [ 9.522209][ T187] hardirqs last disabled at (44984): [] console_emit_next_record+0x3d4/0x4c0 [ 9.522211][ T187] softirqs last enabled at (43702): [] netlink_release+0x17b/0xcf0 [ 9.522215][ T187] softirqs last disabled at (43700): [] netlink_release+0xd2/0xcf0 [ 9.522217][ T187] Preemption disabled at: [ 9.522218][ T187] [<0000000000000000>] 0x0 [ 9.522225][ T187] CPU: 3 UID: 0 PID: 187 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.522228][ T187] Tainted: [W]=WARN [ 9.522229][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.522231][ T187] Call Trace: [ 9.522233][ T187] [ 9.522234][ T187] dump_stack_lvl+0x6f/0xa0 [ 9.522241][ T187] __might_resched.cold+0x1fe/0x2c1 [ 9.522245][ T187] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.522250][ T187] ? __kmalloc_noprof+0xdb/0x760 [ 9.522255][ T187] __kmalloc_noprof+0x443/0x760 [ 9.522258][ T187] ? alloc_buf.isra.0+0x4b/0x260 [ 9.522264][ T187] ? do_raw_spin_unlock+0x59/0x250 [ 9.522266][ T187] alloc_buf.isra.0+0x4b/0x260 [ 9.522269][ T187] put_chars+0x1e1/0x2f0 [ 9.522272][ T187] ? __send_to_port+0x420/0x420 [ 9.522274][ T187] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.522279][ T187] ? validate_chain+0x38b/0xc20 [ 9.522284][ T187] hvc_console_print+0x292/0x780 [ 9.522290][ T187] ? hvc_write+0x3a0/0x3a0 [ 9.522293][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.522295][ T187] ? lock_acquire+0x13c/0x160 [ 9.522299][ T187] console_emit_next_record+0x22f/0x4c0 [ 9.522303][ T187] ? devkmsg_read+0x4b0/0x4b0 [ 9.522305][ T187] ? console_flush_one_record+0x106/0x710 [ 9.522308][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.522310][ T187] ? lock_acquire+0x13c/0x160 [ 9.522320][ T187] console_flush_one_record+0x46f/0x710 [ 9.522324][ T187] ? console_emit_next_record+0x4c0/0x4c0 [ 9.522326][ T187] ? __lock_acquire+0x518/0xc20 [ 9.522332][ T187] console_unlock+0xee/0x1f0 [ 9.522334][ T187] ? console_flush_one_record+0x710/0x710 [ 9.522336][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.522339][ T187] ? lock_acquire+0x60/0x160 [ 9.522342][ T187] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.522344][ T187] ? vprintk_emit+0x320/0x3e0 [ 9.522348][ T187] vprintk_emit+0x37c/0x3e0 [ 9.522352][ T187] ? wake_up_klogd_work_func+0x90/0x90 [ 9.522355][ T187] ? __lock_acquire+0x518/0xc20 [ 9.522359][ T187] _printk+0xc7/0x100 [ 9.522363][ T187] ? snapshot_read.cold+0x21/0x21 [ 9.522366][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.522368][ T187] ? __rwlock_init+0x150/0x150 [ 9.522372][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.522375][ T187] do_exit.cold+0x82/0x9c [ 9.522379][ T187] ? exit_notify+0x890/0x890 [ 9.522381][ T187] ? __lock_release.isra.0+0x69/0x1a0 [ 9.522383][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.522388][ T187] do_group_exit+0xb8/0x370 [ 9.522391][ T187] __x64_sys_exit_group+0x3c/0x50 [ 9.522393][ T187] x64_sys_call+0x1567/0x1570 [ 9.522395][ T187] do_syscall_64+0xff/0x530 [ 9.522398][ T187] ? exc_page_fault+0xee/0x100 [ 9.522401][ T187] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.522403][ T187] RIP: 0033:0x7f948516b1b8 [ 9.522405][ T187] Code: Unable to access opcode bytes at 0x7f948516b18e. [ 9.522407][ T187] RSP: 002b:00007fff215f20b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.522409][ T187] RAX: ffffffffffffffda RBX: 00007f948529bf88 RCX: 00007f948516b1b8 [ 9.522410][ T187] RDX: 00007f9484eb5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.522411][ T187] RBP: 00007fff215f2110 R08: 0000000000000000 R09: 0000000000008010 [ 9.522412][ T187] R10: 00007fff215f1ed0 R11: 0000000000000246 R12: 0000000000000001 [ 9.522413][ T187] R13: 0000000000000000 R14: 00007f948529a680 R15: 00007f948529bfa0 [ 9.522420][ T187] [ 40.229106][ T662] ping6 (662) used greatest stack depth: 23712 bytes left [ 40.229126][ T662] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 40.229128][ T662] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 662, name: ping6 [ 40.229130][ T662] preempt_count: 2, expected: 0 [ 40.229131][ T662] RCU nest depth: 0, expected: 0 [ 40.229132][ T662] locks held by ping6/662: 5, last CPU#2: [ 40.229134][ T662] #0: ffffffff85e027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 40.229147][ T662] #1: ffffffff85f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 40.229153][ T662] #2: ffffffff85f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 40.229158][ T662] #3: ffffffff85e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 40.229162][ T662] #4: ffffffff85e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 40.229166][ T662] irq event stamp: 14754 [ 40.229167][ T662] hardirqs last enabled at (14753): [] __down_trylock_console_sem+0x86/0xa0 [ 40.229170][ T662] hardirqs last disabled at (14754): [] console_emit_next_record+0x3d4/0x4c0 [ 40.229172][ T662] softirqs last enabled at (14516): [] handle_softirqs+0x67c/0x900 [ 40.229174][ T662] softirqs last disabled at (14511): [] __irq_exit_rcu+0x145/0x1c0 [ 40.229176][ T662] Preemption disabled at: [ 40.229177][ T662] [<0000000000000000>] 0x0 [ 40.229184][ T662] CPU: 2 UID: 0 PID: 662 Comm: ping6 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 40.229188][ T662] Tainted: [W]=WARN [ 40.229189][ T662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.229190][ T662] Call Trace: [ 40.229192][ T662] [ 40.229194][ T662] dump_stack_lvl+0x6f/0xa0 [ 40.229200][ T662] __might_resched.cold+0x1fe/0x2c1 [ 40.229205][ T662] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 40.229209][ T662] ? __kmalloc_noprof+0xdb/0x760 [ 40.229214][ T662] __kmalloc_noprof+0x443/0x760 [ 40.229217][ T662] ? alloc_buf.isra.0+0x4b/0x260 [ 40.229223][ T662] ? do_raw_spin_unlock+0x59/0x250 [ 40.229225][ T662] alloc_buf.isra.0+0x4b/0x260 [ 40.229229][ T662] put_chars+0x1e1/0x2f0 [ 40.229232][ T662] ? __send_to_port+0x420/0x420 [ 40.229233][ T662] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 40.229238][ T662] ? validate_chain+0x38b/0xc20 [ 40.229244][ T662] hvc_console_print+0x292/0x780 [ 40.229250][ T662] ? hvc_write+0x3a0/0x3a0 [ 40.229253][ T662] ? rcu_is_watching+0x16/0xd0 [ 40.229255][ T662] ? lock_acquire+0x13c/0x160 [ 40.229259][ T662] console_emit_next_record+0x22f/0x4c0 [ 40.229263][ T662] ? devkmsg_read+0x4b0/0x4b0 [ 40.229265][ T662] ? console_flush_one_record+0x106/0x710 [ 40.229268][ T662] ? rcu_is_watching+0x16/0xd0 [ 40.229271][ T662] ? lock_acquire+0x13c/0x160 [ 40.229275][ T662] console_flush_one_record+0x46f/0x710 [ 40.229279][ T662] ? console_emit_next_record+0x4c0/0x4c0 [ 40.229281][ T662] ? __lock_acquire+0x518/0xc20 [ 40.229286][ T662] console_unlock+0xee/0x1f0 [ 40.229289][ T662] ? console_flush_one_record+0x710/0x710 [ 40.229291][ T662] ? rcu_is_watching+0x16/0xd0 [ 40.229294][ T662] ? lock_acquire+0x60/0x160 [ 40.229297][ T662] ? __down_trylock_console_sem+0x5e/0xa0 [ 40.229299][ T662] ? vprintk_emit+0x320/0x3e0 [ 40.229303][ T662] vprintk_emit+0x37c/0x3e0 [ 40.229307][ T662] ? wake_up_klogd_work_func+0x90/0x90 [ 40.229310][ T662] ? __lock_acquire+0x518/0xc20 [ 40.229314][ T662] _printk+0xc7/0x100 [ 40.229318][ T662] ? snapshot_read.cold+0x21/0x21 [ 40.229321][ T662] ? do_raw_spin_lock+0x131/0x280 [ 40.229323][ T662] ? __rwlock_init+0x150/0x150 [ 40.229327][ T662] ? do_raw_spin_lock+0x131/0x280 [ 40.229330][ T662] do_exit.cold+0x82/0x9c [ 40.229334][ T662] ? exit_notify+0x890/0x890 [ 40.229336][ T662] ? __lock_release.isra.0+0x69/0x1a0 [ 40.229339][ T662] ? rcu_is_watching+0x16/0xd0 [ 40.229343][ T662] do_group_exit+0xb8/0x370 [ 40.229346][ T662] __x64_sys_exit_group+0x3c/0x50 [ 40.229348][ T662] x64_sys_call+0x1567/0x1570 [ 40.229350][ T662] do_syscall_64+0xff/0x530 [ 40.229354][ T662] ? exc_page_fault+0xee/0x100 [ 40.229357][ T662] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 40.229359][ T662] RIP: 0033:0x7f61c335d1b8 [ 40.229361][ T662] Code: Unable to access opcode bytes at 0x7f61c335d18e. [ 40.229363][ T662] RSP: 002b:00007ffe6663e238 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 40.229365][ T662] RAX: ffffffffffffffda RBX: 00007f61c348df88 RCX: 00007f61c335d1b8 [ 40.229367][ T662] RDX: 00007f61c30ee7c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 40.229368][ T662] RBP: 00007ffe6663e290 R08: 0000000000000000 R09: 0000000000001010 [ 40.229368][ T662] R10: 00007ffe6663e0b0 R11: 0000000000000246 R12: 0000000000000002 [ 40.229369][ T662] R13: 0000000000000000 R14: 00007f61c348c680 R15: 00007f61c348dfa0 [ 40.229377][ T662] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr