[  100.336661][  T116] su (116) used greatest stack depth: 24072 bytes left
[  100.336680][  T116] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[  100.336683][  T116] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 116, name: su
[  100.336684][  T116] preempt_count: 2, expected: 0
[  100.336685][  T116] RCU nest depth: 0, expected: 0
[  100.336686][  T116] locks held by su/116: 5, last CPU#2:
[  100.336688][  T116]  #0: ffffffffb16167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[  100.336700][  T116]  #1: ffffffffb177ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[  100.336705][  T116]  #2: ffffffffb177de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710
[  100.336709][