[ 11.149360][ T200] ip (200) used greatest stack depth: 23832 bytes left [ 11.149379][ T200] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.149381][ T200] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 200, name: ip [ 11.149383][ T200] preempt_count: 2, expected: 0 [ 11.149384][ T200] RCU nest depth: 0, expected: 0 [ 11.149385][ T200] locks held by ip/200: 5, last CPU#3: [ 11.149387][ T200] #0: ffffffffa7e167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.149399][ T200] #1: ffffffffa7f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.149403][ T200] #2: ffffffffa7f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.149408][ T200] #3: ffffffffa7e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.149412][ T200] #4: ffffffffa7e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.149416][ T200] irq event stamp: 22366 [ 11.149416][ T200] hardirqs last enabled at (22365): [] __down_trylock_console_sem+0x86/0xa0 [ 11.149419][ T200] hardirqs last disabled at (22366): [] console_emit_next_record+0x3d4/0x4c0 [ 11.149421][ T200] softirqs last enabled at (20776): [] netlink_release+0x17b/0xcf0 [ 11.149425][ T200] softirqs last disabled at (20774): [] netlink_release+0xd2/0xcf0 [ 11.149428][ T200] Preemption disabled at: [ 11.149429][ T200] [<0000000000000000>] 0x0 [ 11.149436][ T200] CPU: 3 UID: 0 PID: 200 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.149440][ T200] Tainted: [W]=WARN [ 11.149441][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.149443][ T200] Call Trace: [ 11.149444][ T200] [ 11.149446][ T200] dump_stack_lvl+0x6f/0xa0 [ 11.149452][ T200] __might_resched.cold+0x1fe/0x2c1 [ 11.149457][ T200] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.149461][ T200] ? __kmalloc_noprof+0xdb/0x760 [ 11.149465][ T200] __kmalloc_noprof+0x443/0x760 [ 11.149467][ T200] ? alloc_buf.isra.0+0x4b/0x260 [ 11.149474][ T200] ? do_raw_spin_unlock+0x59/0x250 [ 11.149476][ T200] alloc_buf.isra.0+0x4b/0x260 [ 11.149480][ T200] put_chars+0x1e1/0x2f0 [ 11.149482][ T200] ? __send_to_port+0x420/0x420 [ 11.149484][ T200] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.149487][ T200] ? validate_chain+0x38b/0xc20 [ 11.149493][ T200] hvc_console_print+0x292/0x780 [ 11.149500][ T200] ? hvc_write+0x3a0/0x3a0 [ 11.149503][ T200] ? rcu_is_watching+0x16/0xd0 [ 11.149505][ T200] ? lock_acquire+0x13c/0x160 [ 11.149509][ T200] console_emit_next_record+0x22f/0x4c0 [ 11.149513][ T200] ? devkmsg_read+0x4b0/0x4b0 [ 11.149515][ T200] ? console_flush_one_record+0x106/0x710 [ 11.149519][ T200] ? rcu_is_watching+0x16/0xd0 [ 11.149520][ T200] ? lock_acquire+0x13c/0x160 [ 11.149524][ T200] console_flush_one_record+0x46f/0x710 [ 11.149529][ T200] ? console_emit_next_record+0x4c0/0x4c0 [ 11.149531][ T200] ? __lock_acquire+0x518/0xc20 [ 11.149536][ T200] console_unlock+0xee/0x1f0 [ 11.149539][ T200] ? console_flush_one_record+0x710/0x710 [ 11.149541][ T200] ? rcu_is_watching+0x16/0xd0 [ 11.149543][ T200] ? lock_acquire+0xe0/0x160 [ 11.149546][ T200] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.149548][ T200] ? vprintk_emit+0x320/0x3e0 [ 11.149551][ T200] vprintk_emit+0x37c/0x3e0 [ 11.149554][ T200] ? wake_up_klogd_work_func+0x90/0x90 [ 11.149557][ T200] ? __lock_acquire+0x518/0xc20 [ 11.149561][ T200] _printk+0xc7/0x100 [ 11.149565][ T200] ? snapshot_read.cold+0x21/0x21 [ 11.149567][ T200] ? do_raw_spin_lock+0x131/0x280 [ 11.149570][ T200] ? __rwlock_init+0x150/0x150 [ 11.149574][ T200] ? do_raw_spin_lock+0x131/0x280 [ 11.149577][ T200] do_exit.cold+0x82/0x9c [ 11.149580][ T200] ? exit_notify+0x890/0x890 [ 11.149582][ T200] ? __lock_release.isra.0+0x69/0x1a0 [ 11.149585][ T200] ? rcu_is_watching+0x16/0xd0 [ 11.149588][ T200] do_group_exit+0xb8/0x370 [ 11.149591][ T200] __x64_sys_exit_group+0x3c/0x50 [ 11.149593][ T200] x64_sys_call+0x1567/0x1570 [ 11.149596][ T200] do_syscall_64+0xff/0x530 [ 11.149600][ T200] ? exc_page_fault+0xee/0x100 [ 11.149602][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.149605][ T200] RIP: 0033:0x7fdb8a2d51b8 [ 11.149607][ T200] Code: Unable to access opcode bytes at 0x7fdb8a2d518e. [ 11.149608][ T200] RSP: 002b:00007ffe25199468 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.149610][ T200] RAX: ffffffffffffffda RBX: 00007fdb8a405f88 RCX: 00007fdb8a2d51b8 [ 11.149612][ T200] RDX: 00007fdb8a01ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.149612][ T200] RBP: 00007ffe251994c0 R08: 0000000000000000 R09: 0000000000000050 [ 11.149613][ T200] R10: 00007ffe25199280 R11: 0000000000000246 R12: 0000000000000001 [ 11.149614][ T200] R13: 0000000000000000 R14: 00007fdb8a404680 R15: 00007fdb8a405fa0 [ 11.149621][ T200]