[    9.601742][  T108] su (108) used greatest stack depth: 24104 bytes left
[    9.601760][  T108] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[    9.601762][  T108] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 108, name: su
[    9.601764][  T108] preempt_count: 2, expected: 0
[    9.601765][  T108] RCU nest depth: 0, expected: 0
[    9.601766][  T108] locks held by su/108: 5, last CPU#0:
[    9.601768][  T108]  #0: ffffffff8dc027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[    9.601782][  T108]  #1: ffffffff8dd69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[    9.601788][  T108]  #2: ffffffff8dd69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710
[    9.601792][  T108]  #3: ffffffff8dc89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60
[    9.601796][  T108]  #4: ffffffff8dc89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0
[    9.601800][  T108] irq event stamp: 152104
[    9.601801][  T108] hardirqs