[ 8.985663][ T167] icmps-discard_i (167) used greatest stack depth: 24128 bytes left [ 8.985678][ T167] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.985680][ T167] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 167, name: icmps-discard_i [ 8.985681][ T167] preempt_count: 2, expected: 0 [ 8.985682][ T167] RCU nest depth: 0, expected: 0 [ 8.985683][ T167] locks held by icmps-discard_i/167: 5, last CPU#3: [ 8.985685][ T167] #0: ffffffff9b2127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 8.985696][ T167] #1: ffffffff9b379cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 8.985701][ T167] #2: ffffffff9b379d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 8.985704][ T167] #3: ffffffff9b299660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 8.985708][ T167] #4: ffffffff9b299560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 8.985712][ T167] irq event stamp: 289336 [ 8.985713][ T167] hardirqs last enabled at (289335): [] __down_trylock_console_sem+0x86/0xa0 [ 8.985715][ T167] hardirqs last disabled at (289336): [] console_emit_next_record+0x3d4/0x4c0 [ 8.985717][ T167] softirqs last enabled at (289166): [] handle_softirqs+0x67c/0x900 [ 8.985719][ T167] softirqs last disabled at (289161): [] __irq_exit_rcu+0x145/0x1c0 [ 8.985722][ T167] Preemption disabled at: [ 8.985722][ T167] [<0000000000000000>] 0x0 [ 8.985729][ T167] CPU: 3 UID: 0 PID: 167 Comm: icmps-discard_i Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.985732][ T167] Tainted: [W]=WARN [ 8.985733][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.985735][ T167] Call Trace: [ 8.985736][ T167] [ 8.985738][ T167] dump_stack_lvl+0x6f/0xa0 [ 8.985744][ T167] __might_resched.cold+0x1fe/0x2c1 [ 8.985748][ T167] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.985752][ T167] ? __kmalloc_noprof+0xdb/0x760 [ 8.985757][ T167] __kmalloc_noprof+0x443/0x760 [ 8.985759][ T167] ? alloc_buf.isra.0+0x4b/0x260 [ 8.985765][ T167] ? do_raw_spin_unlock+0x59/0x250 [ 8.985767][ T167] alloc_buf.isra.0+0x4b/0x260 [ 8.985770][ T167] put_chars+0x1e1/0x2f0 [ 8.985773][ T167] ? __send_to_port+0x420/0x420 [ 8.985775][ T167] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 8.985780][ T167] ? validate_chain+0x38b/0xc20 [ 8.985785][ T167] hvc_console_print+0x292/0x780 [ 8.985791][ T167] ? hvc_write+0x3a0/0x3a0 [ 8.985793][ T167] ? rcu_is_watching+0x16/0xd0 [ 8.985796][ T167] ? lock_acquire+0x13c/0x160 [ 8.985799][ T167] console_emit_next_record+0x22f/0x4c0 [ 8.985803][ T167] ? devkmsg_read+0x4b0/0x4b0 [ 8.985805][ T167] ? console_flush_one_record+0x106/0x710 [ 8.985808][ T167] ? rcu_is_watching+0x16/0xd0 [ 8.985810][ T167] ? lock_acquire+0x13c/0x160 [ 8.985814][ T167] console_flush_one_record+0x46f/0x710 [ 8.985818][ T167] ? console_emit_next_record+0x4c0/0x4c0 [ 8.985820][ T167] ? __lock_acquire+0x518/0xc20 [ 8.985824][ T167] console_unlock+0xee/0x1f0 [ 8.985827][ T167] ? console_flush_one_record+0x710/0x710 [ 8.985829][ T167] ? rcu_is_watching+0x16/0xd0 [ 8.985831][ T167] ? lock_acquire+0x60/0x160 [ 8.985835][ T167] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.985836][ T167] ? vprintk_emit+0x320/0x3e0 [ 8.985839][ T167] vprintk_emit+0x37c/0x3e0 [ 8.985843][ T167] ? wake_up_klogd_work_func+0x90/0x90 [ 8.985845][ T167] ? do_raw_spin_unlock+0x59/0x250 [ 8.985848][ T167] ? __lock_acquire+0x518/0xc20 [ 8.985851][ T167] _printk+0xc7/0x100 [ 8.985855][ T167] ? snapshot_read.cold+0x21/0x21 [ 8.985857][ T167] ? do_raw_spin_lock+0x131/0x280 [ 8.985860][ T167] ? __rwlock_init+0x150/0x150 [ 8.985863][ T167] ? do_raw_spin_lock+0x131/0x280 [ 8.985866][ T167] do_exit.cold+0x82/0x9c [ 8.985870][ T167] ? exit_notify+0x890/0x890 [ 8.985871][ T167] ? __lock_release.isra.0+0x69/0x1a0 [ 8.985874][ T167] ? rcu_is_watching+0x16/0xd0 [ 8.985878][ T167] do_group_exit+0xb8/0x370 [ 8.985880][ T167] __x64_sys_exit_group+0x3c/0x50 [ 8.985882][ T167] x64_sys_call+0x1567/0x1570 [ 8.985885][ T167] do_syscall_64+0xff/0x530 [ 8.985888][ T167] ? exc_page_fault+0xee/0x100 [ 8.985891][ T167] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.985893][ T167] RIP: 0033:0x7f11a01691b8 [ 8.985895][ T167] Code: Unable to access opcode bytes at 0x7f11a016918e. [ 8.985896][ T167] RSP: 002b:00007ffe07aadef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.985898][ T167] RAX: ffffffffffffffda RBX: 00007f11a0299f88 RCX: 00007f11a01691b8 [ 8.985900][ T167] RDX: 00007f11a00a6a88 RSI: ffffffffffffff90 RDI: 0000000000000000 [ 8.985901][ T167] RBP: 00007ffe07aadf50 R08: 0000000000000000 R09: 0000000000000000 [ 8.985902][ T167] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000415df0 [ 8.985903][ T167] R13: 0000000000000000 R14: 00007f11a0298680 R15: 00007f11a0299fa0 [ 8.985909][ T167]