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SubjectRe: inconsistent lock state in ima_process_queued_keys
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On 1/17/2020 7:14 PM, syzbot wrote:

> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+a4a503d7f37292ae1664@syzkaller.appspotmail.com
>
> ================================
> WARNING: inconsistent lock state
> 5.5.0-rc6-next-20200116-syzkaller #0 Not tainted
> --------------------------------
> 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:

The fix for this issue is in next-integrity branch. Should be merged to
linux-next shortly.

-lakshmi

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