Project Number Date
test_Tails_ISO_arti-1.4.3 7 13 May 2025, 18:27

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 11:7.655 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.
26.948
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 8.109
And I prepare Tails for memory erasure tests 0.440
When I start a process allocating 128 MiB of memory with a known pattern 4.673
Then patterns cover at least 128 MiB in the guest's memory 3.748

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

When I kill the allocating process 1.850
Then I find very few patterns in the guest's memory after 5 seconds 8.126

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:330 0.697
After features/support/hooks.rb:100 0.000
24.750
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 8.020
And I prepare Tails for memory erasure tests 0.479
And I find very few patterns in the guest's memory 4.419

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.079
Then patterns cover at least 99% of the test FS size in the guest's memory 3.443

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

When I umount "/mnt" 0.411
Then I find very few patterns in the guest's memory after 3 seconds 5.896

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

After features/support/hooks.rb:330 0.661
After features/support/hooks.rb:100 0.000
47.472
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 8.064
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.111
Then I find very few patterns in the guest's memory 3.189

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

# write cache
When I fill the USB drive with a known pattern 2.702
Then patterns cover at least 75% of the test FS size in the guest's memory 3.998

Pattern coverage: 87.883% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.809
Then I find very few patterns in the guest's memory after 3 seconds 6.129

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

# read cache
When I mount the USB drive again 0.215
And I read the content of the test FS 0.661
Then patterns cover at least 99% of the test FS size in the guest's memory 4.332

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

When I umount the USB drive 0.566
Then I find very few patterns in the guest's memory after 3 seconds 6.280

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

After features/support/hooks.rb:330 0.732
After features/support/hooks.rb:100 0.000
1:16.651
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 7.979
And I prepare Tails for memory erasure tests 0.388
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.843
Then I find very few patterns in the guest's memory 3.107

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.634
Then patterns cover at least 99% of the test FS size in the guest's memory 3.266

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

When I umount the USB drive 0.740
Then I find very few patterns in the guest's memory after 3 seconds 6.097

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

# read cache
When I mount the USB drive again 4.117
And I read the content of the test FS 1.070
Then patterns cover at least 99% of the test FS size in the guest's memory 3.209

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

When I umount the USB drive 0.462
Then I find very few patterns in the guest's memory after 3 seconds 5.733

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:330 1.248
After features/support/hooks.rb:100 0.000
49.044
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 8.158
And I prepare Tails for memory erasure tests 0.507
When I fill a 128 MiB file with a known pattern on the root filesystem 15.257
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.940
Then patterns cover at least 128 MiB in the guest's memory 2.369

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.797

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:330 3.534
After features/support/hooks.rb:100 0.000
7:22.788
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 6:39.935
And I prepare Tails for memory erasure tests 0.471
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.097
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.269

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

After features/support/hooks.rb:330 3.572
After features/support/hooks.rb:100 0.026