Project Number Date
test_Tails_ISO_20828-wifi-firmware-missing 9 21 Mar 2025, 14:59

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 11:23.034 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.
25.072
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 8.003
And I prepare Tails for memory erasure tests 0.466
When I start a process allocating 128 MiB of memory with a known pattern 3.502
Then patterns cover at least 128 MiB in the guest's memory 3.326

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

When I kill the allocating process 1.507
Then I find very few patterns in the guest's memory after 5 seconds 8.266

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:330 0.872
After features/support/hooks.rb:100 0.000
26.435
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 9.406
And I prepare Tails for memory erasure tests 0.644
And I find very few patterns in the guest's memory 2.927

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.161
Then patterns cover at least 99% of the test FS size in the guest's memory 3.874

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

When I umount "/mnt" 0.800
Then I find very few patterns in the guest's memory after 3 seconds 6.620

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:330 0.866
After features/support/hooks.rb:100 0.000
47.837
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 8.164
And I prepare Tails for memory erasure tests 0.528
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.179
Then I find very few patterns in the guest's memory 3.425

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.696
Then patterns cover at least 75% of the test FS size in the guest's memory 3.473

Pattern coverage: 87.752% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.119
Then I find very few patterns in the guest's memory after 3 seconds 6.584

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

# read cache
When I mount the USB drive again 0.259
And I read the content of the test FS 0.456
Then patterns cover at least 99% of the test FS size in the guest's memory 3.977

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

When I umount the USB drive 0.396
Then I find very few patterns in the guest's memory after 3 seconds 6.574

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:330 1.149
After features/support/hooks.rb:100 0.000
1:21.505
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 0.390
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.046
Then I find very few patterns in the guest's memory 3.165

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.862
Then patterns cover at least 99% of the test FS size in the guest's memory 3.594

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

When I umount the USB drive 1.871
Then I find very few patterns in the guest's memory after 3 seconds 6.441

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# read cache
When I mount the USB drive again 5.288
And I read the content of the test FS 0.438
Then patterns cover at least 99% of the test FS size in the guest's memory 3.436

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

When I umount the USB drive 3.031
Then I find very few patterns in the guest's memory after 3 seconds 5.801

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:330 2.128
After features/support/hooks.rb:100 0.000
53.438
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 8.011
And I prepare Tails for memory erasure tests 0.417
When I fill a 128 MiB file with a known pattern on the root filesystem 18.338
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.732
Then patterns cover at least 128 MiB in the guest's memory 2.563

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 21.361

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:330 3.495
After features/support/hooks.rb:100 0.000
7:28.745
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 6:43.261
And I prepare Tails for memory erasure tests 0.905
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.279
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.282

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:330 3.517
After features/support/hooks.rb:100 0.015