[ 10.665975][ T199] ip (199) used greatest stack depth: 24240 bytes left [ 10.665991][ T199] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.665993][ T199] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 199, name: ip [ 10.665995][ T199] preempt_count: 2, expected: 0 [ 10.665996][ T199] RCU nest depth: 0, expected: 0 [ 10.665997][ T199] locks held by ip/199: 5, last CPU#3: [ 10.665999][ T199] #0: ffffffffa96167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.666010][ T199] #1: ffffffffa977ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.666015][ T199] #2: ffffffffa977de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.666019][ T199] #3: ffffffffa969d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.666023][ T199] #4: ffffffffa969d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.666027][ T199] irq event stamp: 35118 [ 10.666028][ T199] hardirqs last enabled at (35117): [] __down_trylock_console_sem+0x86/0xa0 [ 10.666031][ T199] hardirqs last disabled at (35118): [] console_emit_next_record+0x3d4/0x4c0 [ 10.666033][ T199] softirqs last enabled at (33758): [] netlink_release+0x17b/0xcf0 [ 10.666037][ T199] softirqs last disabled at (33756): [] netlink_release+0xd2/0xcf0 [ 10.666040][ T199] Preemption disabled at: [ 10.666040][ T199] [<0000000000000000>] 0x0 [ 10.666047][ T199] CPU: 3 UID: 0 PID: 199 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.666050][ T199] Tainted: [W]=WARN [ 10.666051][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.666053][ T199] Call Trace: [ 10.666054][ T199] [ 10.666056][ T199] dump_stack_lvl+0x6f/0xa0 [ 10.666063][ T199] __might_resched.cold+0x1fe/0x2c1 [ 10.666067][ T199] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.666071][ T199] ? __kmalloc_noprof+0xdb/0x760 [ 10.666075][ T199] __kmalloc_noprof+0x443/0x760 [ 10.666077][ T199] ? alloc_buf.isra.0+0x4b/0x260 [ 10.666084][ T199] ? do_raw_spin_unlock+0x59/0x250 [ 10.666086][ T199] alloc_buf.isra.0+0x4b/0x260 [ 10.666090][ T199] put_chars+0x1e1/0x2f0 [ 10.666093][ T199] ? __send_to_port+0x420/0x420 [ 10.666094][ T199] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.666097][ T199] ? validate_chain+0x38b/0xc20 [ 10.666103][ T199] hvc_console_print+0x292/0x780 [ 10.666111][ T199] ? hvc_write+0x3a0/0x3a0 [ 10.666113][ T199] ? rcu_is_watching+0x16/0xd0 [ 10.666115][ T199] ? lock_acquire+0x13c/0x160 [ 10.666119][ T199] console_emit_next_record+0x22f/0x4c0 [ 10.666123][ T199] ? devkmsg_read+0x4b0/0x4b0 [ 10.666125][ T199] ? console_flush_one_record+0x106/0x710 [ 10.666128][ T199] ? rcu_is_watching+0x16/0xd0 [ 10.666130][ T199] ? lock_acquire+0x13c/0x160 [ 10.666134][ T199] console_flush_one_record+0x46f/0x710 [ 10.666138][ T199] ? console_emit_next_record+0x4c0/0x4c0 [ 10.666140][ T199] ? __lock_acquire+0x518/0xc20 [ 10.666145][ T199] console_unlock+0xee/0x1f0 [ 10.666148][ T199] ? console_flush_one_record+0x710/0x710 [ 10.666150][ T199] ? rcu_is_watching+0x16/0xd0 [ 10.666152][ T199] ? lock_acquire+0xe0/0x160 [ 10.666155][ T199] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.666157][ T199] ? vprintk_emit+0x320/0x3e0 [ 10.666160][ T199] vprintk_emit+0x37c/0x3e0 [ 10.666163][ T199] ? wake_up_klogd_work_func+0x90/0x90 [ 10.666166][ T199] ? __lock_acquire+0x518/0xc20 [ 10.666170][ T199] _printk+0xc7/0x100 [ 10.666173][ T199] ? snapshot_read.cold+0x21/0x21 [ 10.666176][ T199] ? do_raw_spin_lock+0x131/0x280 [ 10.666179][ T199] ? __rwlock_init+0x150/0x150 [ 10.666182][ T199] ? do_raw_spin_lock+0x131/0x280 [ 10.666185][ T199] do_exit.cold+0x82/0x9c [ 10.666189][ T199] ? exit_notify+0x890/0x890 [ 10.666190][ T199] ? __lock_release.isra.0+0x69/0x1a0 [ 10.666193][ T199] ? rcu_is_watching+0x16/0xd0 [ 10.666197][ T199] do_group_exit+0xb8/0x370 [ 10.666200][ T199] __x64_sys_exit_group+0x3c/0x50 [ 10.666201][ T199] x64_sys_call+0x1567/0x1570 [ 10.666204][ T199] do_syscall_64+0xff/0x530 [ 10.666208][ T199] ? exc_page_fault+0xee/0x100 [ 10.666210][ T199] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.666212][ T199] RIP: 0033:0x7f8614b9b1b8 [ 10.666215][ T199] Code: Unable to access opcode bytes at 0x7f8614b9b18e. [ 10.666216][ T199] RSP: 002b:00007ffe926865b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.666218][ T199] RAX: ffffffffffffffda RBX: 00007f8614ccbf88 RCX: 00007f8614b9b1b8 [ 10.666219][ T199] RDX: 00007f86148e5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.666220][ T199] RBP: 00007ffe92686610 R08: 0000000000000000 R09: 0000000000000000 [ 10.666221][ T199] R10: 00007ffe926863d0 R11: 0000000000000246 R12: 0000000000000001 [ 10.666222][ T199] R13: 0000000000000000 R14: 00007f8614cca680 R15: 00007f8614ccbfa0 [ 10.666228][ T199]