[   11.412801][  T109] su (109) used greatest stack depth: 24296 bytes left
[   11.412817][  T109] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   11.412819][  T109] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 109, name: su
[   11.412821][  T109] preempt_count: 2, expected: 0
[   11.412822][  T109] RCU nest depth: 0, expected: 0
[   11.412822][  T109] INFO: lockdep is turned off.
[   11.412824][  T109] irq event stamp: 0
[   11.412825][  T109] hardirqs last  enabled at (0): [<0000000000000000>] 0x0
[   11.412830][  T109] hardirqs last disabled at (0): [<ffffffffb01a848d>] copy_process+0x1ccd/0x6240
[   11.412836][  T109] softirqs last  enabled at (0): [<ffffffffb01a84e1>] copy_process+0x1d21/0x6240
[   11.412838][  T109] softirqs last disabled at (0): [<0000000000000000>] 0x0
[   11.412840][  T109] Preemption disabled at:
[   11.412841][  T109] [<0000000000000000>] 0x0
[   11.412846][  T109] CPU: 2 UID: 0 PID: 109 Comm: su Tainted: G        W           7.2.0-virtme #1 PREEMPT(full) 
[   11.412849][  T109] Tainted: [W]=WARN
[   11.412850][  T109] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.412852][  T109] Call Trace:
[   11.412854][  T109]  <TASK>
[   11.412855][  T109]  dump_stack_lvl+0x6f/0xa0
[   11.412860][  T109]  __might_resched.cold+0x1fe/0x2c1
[   11.412864][  T109]  ? perf_trace_sched_switch+0x7c0/0x7c0
[   11.412867][  T109]  ? __asan_memcpy+0x3c/0x60
[   11.412870][  T109]  ? rcu_is_watching+0x16/0xd0
[   11.412873][  T109]  __kmalloc_noprof+0x443/0x760