Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 30 15 Nov 2024, 20:10

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 12:8.466 Passed
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
23.855
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.206
And I prepare Tails for memory erasure tests 0.542
When I start a process allocating 128 MiB of memory with a known pattern 2.547
Then patterns cover at least 128 MiB in the guest's memory 4.298

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 1.888
Then I find very few patterns in the guest's memory after 3 seconds 6.372

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:326 0.788
After features/support/hooks.rb:100 0.000
38.808
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 21.614
And I prepare Tails for memory erasure tests 0.445
And I find very few patterns in the guest's memory 3.131

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.946
Then patterns cover at least 99% of the test FS size in the guest's memory 3.599

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 0.650
Then I find very few patterns in the guest's memory after 3 seconds 7.421

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 0.868
After features/support/hooks.rb:100 0.000
53.825
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 10.692
And I prepare Tails for memory erasure tests 0.786
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.124
Then I find very few patterns in the guest's memory 3.965

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.632
Then patterns cover at least 75% of the test FS size in the guest's memory 4.241

Pattern coverage: 84.908% (108 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.285
Then I find very few patterns in the guest's memory after 3 seconds 6.774

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

# read cache
When I mount the USB drive again 0.710
And I read the content of the test FS 0.892
Then patterns cover at least 99% of the test FS size in the guest's memory 3.910

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.190
Then I find very few patterns in the guest's memory after 3 seconds 6.617

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 0.831
After features/support/hooks.rb:100 0.000
1:27.052
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.936
And I prepare Tails for memory erasure tests 0.471
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.905
Then I find very few patterns in the guest's memory 2.565

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.178
Then patterns cover at least 99% of the test FS size in the guest's memory 2.613

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.141
Then I find very few patterns in the guest's memory after 3 seconds 5.850

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# read cache
When I mount the USB drive again 15.497
And I read the content of the test FS 0.473
Then patterns cover at least 99% of the test FS size in the guest's memory 3.526

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.727
Then I find very few patterns in the guest's memory after 3 seconds 6.163

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 1.104
After features/support/hooks.rb:100 0.000
51.536
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.142
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the root filesystem 15.325
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.599
Then patterns cover at least 128 MiB in the guest's memory 3.149

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.843

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:326 3.544
After features/support/hooks.rb:100 0.000
7:53.387
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:8.922
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.830
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.206

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 3.569
After features/support/hooks.rb:100 0.011