Truncated bios measurement (/sys/kernel/security/tpm0/binary_bios_measurements)

Bug #2046573 reported by Kaushalendra Mishra
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This bug affects 1 person
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Ubuntu
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Bug Description

Randomly we are seeing truncated bios measurements for some of the versions.
file: /sys/kernel/security/tpm0/binary_bios_measurements

Behavior is inconsistently observed in 18.04, 20.04 and 22.04 as well.
As observed, this file is truncated at 47711 Bytes, the full set of logs should be of ~55KB.

Revision history for this message
Kaushalendra Mishra (kausmishra-01) wrote :
Revision history for this message
Kaushalendra Mishra (kausmishra-01) wrote :
Colin Watson (cjwatson)
affects: launchpad → ubuntu
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