[   98.190360][  T118] su (118) used greatest stack depth: 24072 bytes left
[   98.190377][  T118] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   98.190378][  T118] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 118, name: su
[   98.190380][  T118] preempt_count: 2, expected: 0
[   98.190381][  T118] RCU nest depth: 0, expected: 0
[   98.190381][  T118] locks held by su/118: 5, last CPU#3:
[   98.190383][  T118]  #0: ffffffffb5a167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   98.190394][  T118]  #1: ffffffffb5b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[   98.190399][  T118]  #2: ffffffffb5b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710
[   98.190403][  T118]  #3: ffffffffb5a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60
[   98.190407][  T118]  #4: ffffffffb5a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0
[   98.190411][  T118] irq event stamp: 149312
[   98.190412][  T118] hardirqs last  enabled at (149311): [<ffffffffb1f86626>] __down_trylock_console_sem+0x86/0xa0
[   98.190415][  T118] hardirqs last disabled at (149312): [<ffffffffb1f8c6c4>] console_emit_next_record+0x3d4/0x4c0