Project Number Date
test_Tails_ISO_20828-wifi-firmware-missing 22 03 Apr 2025, 14:57

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 10:42.299 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.
24.036
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.039
And I prepare Tails for memory erasure tests 0.420
When I start a process allocating 128 MiB of memory with a known pattern 2.294
Then patterns cover at least 128 MiB in the guest's memory 3.843

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

When I kill the allocating process 1.212
Then I find very few patterns in the guest's memory after 5 seconds 8.225

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:330 0.757
After features/support/hooks.rb:100 0.000
24.166
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 8.022
And I prepare Tails for memory erasure tests 0.395
And I find very few patterns in the guest's memory 3.113

Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.076
Then patterns cover at least 99% of the test FS size in the guest's memory 3.556

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

When I umount "/mnt" 0.847
Then I find very few patterns in the guest's memory after 3 seconds 6.153

Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)

After features/support/hooks.rb:330 0.729
After features/support/hooks.rb:100 0.000
44.541
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 7.969
And I prepare Tails for memory erasure tests 0.414
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.207
Then I find very few patterns in the guest's memory 2.751

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.585
Then patterns cover at least 75% of the test FS size in the guest's memory 3.619

Pattern coverage: 89.570% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.111
Then I find very few patterns in the guest's memory after 3 seconds 6.032

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

# read cache
When I mount the USB drive again 0.212
And I read the content of the test FS 0.706
Then patterns cover at least 99% of the test FS size in the guest's memory 3.458

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

When I umount the USB drive 0.397
Then I find very few patterns in the guest's memory after 3 seconds 6.074

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

After features/support/hooks.rb:330 0.659
After features/support/hooks.rb:100 0.000
1:12.164
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 8.010
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.316
Then I find very few patterns in the guest's memory 2.581

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.656
Then patterns cover at least 99% of the test FS size in the guest's memory 2.919

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

When I umount the USB drive 0.705
Then I find very few patterns in the guest's memory after 3 seconds 5.692

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

# read cache
When I mount the USB drive again 4.359
And I read the content of the test FS 0.515
Then patterns cover at least 99% of the test FS size in the guest's memory 2.851

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.565
Then I find very few patterns in the guest's memory after 3 seconds 5.591

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:330 1.710
After features/support/hooks.rb:100 0.000
48.894
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 7.937
And I prepare Tails for memory erasure tests 0.402
When I fill a 128 MiB file with a known pattern on the root filesystem 15.707
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.321
Then patterns cover at least 128 MiB in the guest's memory 2.739

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 20.769

Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)

After features/support/hooks.rb:330 3.493
After features/support/hooks.rb:100 0.000
7:8.497
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:21.184
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.635
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.260

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

After features/support/hooks.rb:330 3.531
After features/support/hooks.rb:100 0.011