[   15.156134][  T119] su (119) used greatest stack depth: 23408 bytes left
[   15.156151][  T119] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   15.156154][  T119] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 119, name: su
[   15.156155][  T119] preempt_count: 2, expected: 0
[   15.156156][  T119] RCU nest depth: 0, expected: 0
[   15.156157][  T119] locks held by su/119: 5, last CPU#3:
[   15.156160][  T119]  #0: ffffffff854027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   15.156171][  T119]  #1: ffffffff85599dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[   15.156177][  T119]  #2: ffffffff85599e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710
[   15.156181][  T119]  #3: ffffffff85489760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60
[   15.156185][  T119]  #4: ffffffff85489660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0
[   15.156188][  T119] irq event stamp: 151584
[   15.156189][  T119] hardirqs last  enabled at