Project Number Date
test_Tails_ISO_20522-ocr-more 33 18 Jan 2025, 05:21

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 10:55.624 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.
21.678
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.462
And I prepare Tails for memory erasure tests 0.448
When I start a process allocating 128 MiB of memory with a known pattern 2.271
Then patterns cover at least 128 MiB in the guest's memory 4.247

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

When I kill the allocating process 0.292
Then I find very few patterns in the guest's memory after 3 seconds 5.956

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

After features/support/hooks.rb:326 1.201
After features/support/hooks.rb:100 0.000
25.207
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.082
And I prepare Tails for memory erasure tests 0.394
And I find very few patterns in the guest's memory 2.672

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.189
Then patterns cover at least 99% of the test FS size in the guest's memory 3.197

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

When I umount "/mnt" 2.594
Then I find very few patterns in the guest's memory after 3 seconds 6.075

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 0.836
After features/support/hooks.rb:100 0.000
47.090
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.191
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.151
Then I find very few patterns in the guest's memory 3.391

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.436
Then patterns cover at least 75% of the test FS size in the guest's memory 3.139

Pattern coverage: 88.425% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.551
Then I find very few patterns in the guest's memory after 3 seconds 5.657

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# read cache
When I mount the USB drive again 0.229
And I read the content of the test FS 1.016
Then patterns cover at least 99% of the test FS size in the guest's memory 3.731

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

When I umount the USB drive 0.567
Then I find very few patterns in the guest's memory after 3 seconds 6.575

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 0.837
After features/support/hooks.rb:100 0.000
1:15.481
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.052
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.346
Then I find very few patterns in the guest's memory 2.419

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.286
Then patterns cover at least 99% of the test FS size in the guest's memory 2.577

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

When I umount the USB drive 0.951
Then I find very few patterns in the guest's memory after 3 seconds 5.314

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# read cache
When I mount the USB drive again 6.058
And I read the content of the test FS 0.426
Then patterns cover at least 99% of the test FS size in the guest's memory 2.798

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

When I umount the USB drive 0.812
Then I find very few patterns in the guest's memory after 3 seconds 5.986

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 0.851
After features/support/hooks.rb:100 0.000
50.876
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.617
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the root filesystem 16.090
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.045
Then patterns cover at least 128 MiB in the guest's memory 2.955

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.708

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

After features/support/hooks.rb:326 3.483
After features/support/hooks.rb:100 0.000
7:15.289
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 6:27.529
And I prepare Tails for memory erasure tests 0.887
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.690
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.169

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:326 3.716
After features/support/hooks.rb:100 0.012