[   14.478197][  T118] su (118) used greatest stack depth: 23744 bytes left
[   14.478219][  T118] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   14.478221][  T118] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 118, name: su
[   14.478223][  T118] preempt_count: 2, expected: 0
[   14.478224][  T118] RCU nest depth: 0, expected: 0
[   14.478224][  T118] locks held by su/118: 5, last CPU#1:
[   14.478227][  T118]  #0: ffffffffa88167b8 (low_water_lock){+.+.}-{3:3}, at: d