Project Number Date
test_Tails_ISO_20828-wifi-firmware-missing 2 14 Mar 2025, 14:11

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 11:4.729 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.
23.214
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 8.021
And I prepare Tails for memory erasure tests 0.405
When I start a process allocating 128 MiB of memory with a known pattern 2.394
Then patterns cover at least 128 MiB in the guest's memory 3.693

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

When I kill the allocating process 0.206
Then I find very few patterns in the guest's memory after 5 seconds 8.492

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 0.791
After features/support/hooks.rb:100 0.000
24.596
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 8.137
And I prepare Tails for memory erasure tests 0.470
And I find very few patterns in the guest's memory 3.261

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.991
Then patterns cover at least 99% of the test FS size in the guest's memory 3.679

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

When I umount "/mnt" 0.971
Then I find very few patterns in the guest's memory after 3 seconds 6.083

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:330 0.803
After features/support/hooks.rb:100 0.000
47.502
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 7.908
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.937
Then I find very few patterns in the guest's memory 2.964

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

# write cache
When I fill the USB drive with a known pattern 2.578
Then patterns cover at least 75% of the test FS size in the guest's memory 3.707

Pattern coverage: 88.199% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.522
Then I find very few patterns in the guest's memory after 3 seconds 6.768

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

# read cache
When I mount the USB drive again 0.317
And I read the content of the test FS 1.362
Then patterns cover at least 99% of the test FS size in the guest's memory 3.396

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

When I umount the USB drive 0.906
Then I find very few patterns in the guest's memory after 3 seconds 5.716

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

After features/support/hooks.rb:330 0.772
After features/support/hooks.rb:100 0.000
1:20.067
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 8.106
And I prepare Tails for memory erasure tests 0.392
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.699
Then I find very few patterns in the guest's memory 2.735

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.149
Then patterns cover at least 99% of the test FS size in the guest's memory 3.134

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

When I umount the USB drive 1.076
Then I find very few patterns in the guest's memory after 3 seconds 5.644

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

# read cache
When I mount the USB drive again 6.260
And I read the content of the test FS 0.533
Then patterns cover at least 99% of the test FS size in the guest's memory 2.991

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

When I umount the USB drive 0.819
Then I find very few patterns in the guest's memory after 3 seconds 5.524

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:330 1.993
After features/support/hooks.rb:100 0.000
53.201
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 7.970
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the root filesystem 18.909
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.989
Then patterns cover at least 128 MiB in the guest's memory 3.108

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.805

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

After features/support/hooks.rb:330 3.854
After features/support/hooks.rb:100 0.000
7:16.147
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 6:29.980
And I prepare Tails for memory erasure tests 1.558
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.417
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.179

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:330 3.524
After features/support/hooks.rb:100 0.012