linux-kernel - [PROBLEM]: WARNING: lock held when returning to user space! (5.4.1 #16 Tainted: G )

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Date:   Sat, 7 Dec 2019 23:04:20 +0530
From:   Jeffrin Jose <jeffrin@...agiritech.edu.in>
To:     peterz@...radead.org, mingo@...hat.com, will@...nel.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PROBLEM]:  WARNING: lock held when returning to user space! (5.4.1
 #16 Tainted: G )

hello all,

i got the following  output related from typical dmesg output from 5.4.1 kernel

================================================
WARNING: lock held when returning to user space!
5.4.1 #16 Tainted: G            E    
------------------------------------------------
tpm2-abrmd/691 is leaving the kernel with locks still held!
2 locks held by tpm2-abrmd/691:
 #0: ffff8881ee784ba8 (&chip->ops_sem){.+.+}, at: tpm_try_get_ops+0x2b/0xc0 [tpm]
 #1: ffff8881ee784d88 (&chip->tpm_mutex){+.+.}, at: tpm_try_get_ops+0x57/0xc0 [tpm]

--
software engineer
rajagiri school of engineering and technology