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

Jeffrin Jose
2019-12-07T17:35:13Z

hello all,

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

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WARNING: lock held when returning to user space!
5.4.1 #16 Tainted: G E
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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