[ 9.213219][ T180] ip (180) used greatest stack depth: 23960 bytes left [ 9.213235][ T180] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.213236][ T180] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 180, name: ip [ 9.213238][ T180] preempt_count: 2, expected: 0 [ 9.213238][ T180] RCU nest depth: 0, expected: 0 [ 9.213239][ T180] locks held by ip/180: 5, last CPU#0: [ 9.213242][ T180] #0: ffffffff9d002f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.213253][ T180] #1: ffffffff9d16a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.213258][ T180] #2: ffffffff9d16a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.213262][ T180] #3: ffffffff9d089de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.213265][ T180] #4: ffffffff9d089ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.213268][ T180] irq event stamp: 22518 [ 9.213269][ T180] hardirqs last enabled at (22517): [] __down_trylock_console_sem+0x86/0xa0 [ 9.213272][ T180] hardirqs last disabled at (22518): [] console_emit_next_record+0x3d4/0x4c0 [ 9.213273][ T180] softirqs last enabled at (21574): [] handle_softirqs+0x67c/0x900 [ 9.213276][ T180] softirqs last disabled at (20557): [] __irq_exit_rcu+0x145/0x1c0 [ 9.213278][ T180] Preemption disabled at: [ 9.213279][ T180] [<0000000000000000>] 0x0 [ 9.213285][ T180] CPU: 0 UID: 0 PID: 180 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.213288][ T180] Tainted: [W]=WARN [ 9.213289][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.213291][ T180] Call Trace: [ 9.213292][ T180] [ 9.213294][ T180] dump_stack_lvl+0x6f/0xa0 [ 9.213299][ T180] __might_resched.cold+0x1fe/0x2c1 [ 9.213303][ T180] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.213306][ T180] ? __kmalloc_noprof+0xdb/0x760 [ 9.213311][ T180] __kmalloc_noprof+0x443/0x760 [ 9.213313][ T180] ? alloc_buf.isra.0+0x4b/0x260 [ 9.213324][ T180] ? do_raw_spin_unlock+0x59/0x250 [ 9.213327][ T180] alloc_buf.isra.0+0x4b/0x260 [ 9.213330][ T180] put_chars+0x1e1/0x2f0 [ 9.213333][ T180] ? __send_to_port+0x420/0x420 [ 9.213339][ T180] hvc_console_print+0x292/0x780 [ 9.213346][ T180] ? hvc_write+0x3a0/0x3a0 [ 9.213349][ T180] ? lock_acquire+0x13c/0x160 [ 9.213353][ T180] console_emit_next_record+0x22f/0x4c0 [ 9.213357][ T180] ? devkmsg_read+0x4b0/0x4b0 [ 9.213358][ T180] ? console_flush_one_record+0x106/0x710 [ 9.213361][ T180] ? rcu_is_watching+0x16/0xd0 [ 9.213364][ T180] ? lock_acquire+0x13c/0x160 [ 9.213368][ T180] console_flush_one_record+0x46f/0x710 [ 9.213371][ T180] ? console_emit_next_record+0x4c0/0x4c0 [ 9.213373][ T180] ? __lock_acquire+0x518/0xc20 [ 9.213378][ T180] console_unlock+0xee/0x1f0 [ 9.213380][ T180] ? console_flush_one_record+0x710/0x710 [ 9.213381][ T180] ? rcu_is_watching+0x16/0xd0 [ 9.213383][ T180] ? lock_acquire+0x60/0x160 [ 9.213387][ T180] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.213389][ T180] ? vprintk_emit+0x320/0x3e0 [ 9.213391][ T180] vprintk_emit+0x37c/0x3e0 [ 9.213395][ T180] ? wake_up_klogd_work_func+0x90/0x90 [ 9.213398][ T180] ? __lock_acquire+0x518/0xc20 [ 9.213401][ T180] _printk+0xc7/0x100 [ 9.213404][ T180] ? snapshot_read.cold+0x21/0x21 [ 9.213407][ T180] ? do_raw_spin_lock+0x131/0x280 [ 9.213410][ T180] ? __rwlock_init+0x150/0x150 [ 9.213413][ T180] ? do_raw_spin_lock+0x131/0x280 [ 9.213416][ T180] do_exit.cold+0x82/0x9c [ 9.213420][ T180] ? exit_notify+0x890/0x890 [ 9.213421][ T180] ? __lock_release.isra.0+0x69/0x1a0 [ 9.213424][ T180] ? rcu_is_watching+0x16/0xd0 [ 9.213428][ T180] do_group_exit+0xb8/0x370 [ 9.213431][ T180] __x64_sys_exit_group+0x3c/0x50 [ 9.213433][ T180] x64_sys_call+0x1567/0x1570 [ 9.213435][ T180] do_syscall_64+0x10e/0x570 [ 9.213439][ T180] ? exc_page_fault+0xee/0x100 [ 9.213442][ T180] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.213444][ T180] RIP: 0033:0x7fbb000c31b8 [ 9.213446][ T180] Code: Unable to access opcode bytes at 0x7fbb000c318e. [ 9.213447][ T180] RSP: 002b:00007ffd81911f98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.213449][ T180] RAX: ffffffffffffffda RBX: 00007fbb001f3f88 RCX: 00007fbb000c31b8 [ 9.213451][ T180] RDX: 00007fbaffe0dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.213452][ T180] RBP: 00007ffd81911ff0 R08: 0000000000000000 R09: 0000000000000050 [ 9.213453][ T180] R10: 00007ffd81911db0 R11: 0000000000000246 R12: 0000000000000001 [ 9.213453][ T180] R13: 0000000000000000 R14: 00007fbb001f2680 R15: 00007fbb001f3fa0 [ 9.213460][ T180]