[   11.672215][  T110] su (110) used greatest stack depth: 24104 bytes left
[   11.672231][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   11.672232][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[   11.672234][  T110] preempt_count: 2, expected: 0
[   11.672235][  T110] RCU nest depth: 0, expected: 0
[   11.672236][  T110] locks held by su/110: 5, last CPU#0:
[   11.672238][  T110]  #0: ffffffff96c027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   11.672250][  T110]  #1: ffffffff96d69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[   11.672255][  T110]  #2: ffffffff96d69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710
[   11.672258][  T110]  #3: ffffffff96c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60
[   11.672261][  T110]  #4: ffffffff96c89560 (printk_legacy_map-