Project Number Date
test_Tails_ISO_20828-wifi-firmware-missing 23 04 Apr 2025, 14:44

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 11:25.123 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.
25.816
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.354
And I prepare Tails for memory erasure tests 0.406
When I start a process allocating 128 MiB of memory with a known pattern 3.564
Then patterns cover at least 128 MiB in the guest's memory 4.430

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

When I kill the allocating process 0.265
Then I find very few patterns in the guest's memory after 5 seconds 8.795

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:330 0.737
After features/support/hooks.rb:100 0.000
28.854
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.035
And I prepare Tails for memory erasure tests 0.700
And I find very few patterns in the guest's memory 4.868

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.805
Then patterns cover at least 99% of the test FS size in the guest's memory 3.900

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

When I umount "/mnt" 0.499
Then I find very few patterns in the guest's memory after 3 seconds 8.044

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:330 1.489
After features/support/hooks.rb:100 0.000
54.267
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.514
And I prepare Tails for memory erasure tests 0.560
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.396
Then I find very few patterns in the guest's memory 4.028

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.594
Then patterns cover at least 75% of the test FS size in the guest's memory 4.587

Pattern coverage: 89.184% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.379
Then I find very few patterns in the guest's memory after 3 seconds 6.551

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# read cache
When I mount the USB drive again 0.207
And I read the content of the test FS 1.337
Then patterns cover at least 99% of the test FS size in the guest's memory 4.136

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

When I umount the USB drive 0.585
Then I find very few patterns in the guest's memory after 3 seconds 7.387

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:330 0.995
After features/support/hooks.rb:100 0.000
1:20.528
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.095
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.938
Then I find very few patterns in the guest's memory 3.403

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.603
Then patterns cover at least 99% of the test FS size in the guest's memory 3.675

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

When I umount the USB drive 0.697
Then I find very few patterns in the guest's memory after 3 seconds 6.171

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

# read cache
When I mount the USB drive again 4.813
And I read the content of the test FS 0.505
Then patterns cover at least 99% of the test FS size in the guest's memory 3.400

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

When I umount the USB drive 0.529
Then I find very few patterns in the guest's memory after 3 seconds 6.260

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

After features/support/hooks.rb:330 1.814
After features/support/hooks.rb:100 0.000
53.862
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.602
And I prepare Tails for memory erasure tests 0.465
When I fill a 128 MiB file with a known pattern on the root filesystem 18.714
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.921
Then patterns cover at least 128 MiB in the guest's memory 3.165

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.976

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:330 3.538
After features/support/hooks.rb:100 0.000
7:21.794
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:35.719
And I prepare Tails for memory erasure tests 0.587
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.166
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.305

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:330 3.543
After features/support/hooks.rb:100 0.010