[   88.675502][  T119] su (119) used greatest stack depth: 24104 bytes left
[   88.675521][  T119] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   88.675523][  T119] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 119, name: su
[   88.675525][  T119] preempt_count: 2, expected: 0
[   88.675526][  T119] RCU nest depth: 0, expected: 0
[   88.675526][  T119] INFO: lockdep is turned off.
[   88.675527][  T119] irq event stamp: 126542
[   88.675528][  T119] hardirqs last  enabled at (126541): [<ffffffff96b22483>] _raw_spin_unlock_irqrestore+0x53/0x80
[   88.675537][  T119] hardirqs last disabled at (126542): [<ffffffff96b04b26>] __schedule+0x1246/0x20e0
[   88.675539][  T119] softirqs last  enabled at (126450): [<ffffffff943d0d4c>] handle_softirqs+0x67c/0x900
[   88.675543][  T119] softirqs last disabled at (126445): [<ffffffff943d1185>] __irq_exit_rcu+0x145/0x1c0
[   88.675545][  T119] Preemption disabled at:
[   88.675546][  T119] [<0000000000000000>] 0x0
[   88.675553][  T119] CPU: 0 UID: 0 PID: 119 Comm: su Tainted: G        W           7.2.0-virtme #1 PREEMPT(full) 
[   88.675556][  T119] Tainted: [W]=WARN
[   88.675557][  T119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.675559][  T119] Call Trace:
[   88.675560][  T119]  <TASK>
[   88.675562][  T119]  dump_stack_lvl+0x6f/0xa0
[   88.675567][  T119]  __might_resched.cold+0x1fe/0x2c1
[   88.675571][  T119]  ? perf_trace_sched_switch+0x7c0/0x7c0
[   88.675574][  T119]  ? rcu_is_watching+0x16/0xd0
[   88.675578][  T119]  __kmalloc_noprof+0x443/0x760