IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+a4a503d7f37292ae1664@xxxxxxxxxxxxxxxxxxxxxxxxx
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WARNING: inconsistent lock state
5.5.0-rc6-next-20200116-syzkaller #0 Not tainted
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inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
kworker/u4:3/125 [HC0[0]:SC1[1]:HE1:SE0] takes:
ffffffff8a03ce58 (ima_keys_lock){+.?.}, at: spin_lock include/linux/spinlock.h:338 [inline]
ffffffff8a03ce58 (ima_keys_lock){+.?.}, at: ima_process_queued_keys+0x4f/0x320 security/integrity/ima/ima_asymmetric_keys.c:144
{SOFTIRQ-ON-W} state was registered at: