Project Number Date
test_Tails_ISO_codespell 6 18 Jun 2025, 22:36

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 12:44.859 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.
28.831
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 8.703
And I prepare Tails for memory erasure tests 0.457
When I start a process allocating 128 MiB of memory with a known pattern 2.970
Then patterns cover at least 128 MiB in the guest's memory 6.701

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

When I kill the allocating process 0.856
Then I find very few patterns in the guest's memory after 5 seconds 9.142

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:330 1.239
After features/support/hooks.rb:100 0.000
32.828
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.091
Given I have started Tails from DVD without network and logged in 10.883
And I prepare Tails for memory erasure tests 0.499
And I find very few patterns in the guest's memory 4.224

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.025
Then patterns cover at least 99% of the test FS size in the guest's memory 7.782

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

When I umount "/mnt" 0.587
Then I find very few patterns in the guest's memory after 3 seconds 6.825

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

After features/support/hooks.rb:330 0.943
After features/support/hooks.rb:100 0.000
1:1.566
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 12.153
And I prepare Tails for memory erasure tests 0.578
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.911
Then I find very few patterns in the guest's memory 5.596

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.059
Then patterns cover at least 75% of the test FS size in the guest's memory 5.174

Pattern coverage: 88.526% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.820
Then I find very few patterns in the guest's memory after 3 seconds 6.623

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

# read cache
When I mount the USB drive again 0.389
And I read the content of the test FS 1.024
Then patterns cover at least 99% of the test FS size in the guest's memory 7.671

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

When I umount the USB drive 0.601
Then I find very few patterns in the guest's memory after 3 seconds 6.963

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

After features/support/hooks.rb:330 1.233
After features/support/hooks.rb:100 0.000
1:29.557
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 11.513
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.465
Then I find very few patterns in the guest's memory 3.120

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.967
Then patterns cover at least 99% of the test FS size in the guest's memory 5.339

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

When I umount the USB drive 0.995
Then I find very few patterns in the guest's memory after 3 seconds 6.646

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# read cache
When I mount the USB drive again 4.013
And I read the content of the test FS 0.894
Then patterns cover at least 99% of the test FS size in the guest's memory 3.344

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

When I umount the USB drive 0.463
Then I find very few patterns in the guest's memory after 3 seconds 8.360

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:330 1.926
After features/support/hooks.rb:100 0.000
50.320
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 8.812
And I prepare Tails for memory erasure tests 0.559
When I fill a 128 MiB file with a known pattern on the root filesystem 14.891
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.767
Then patterns cover at least 128 MiB in the guest's memory 3.413

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 20.860

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:330 3.897
After features/support/hooks.rb:100 0.000
8:21.754
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 7:33.789
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.179
When I trigger shutdown 0.047
Then I find very few patterns in the guest's memory after 20 seconds 22.276

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

After features/support/hooks.rb:330 3.933
After features/support/hooks.rb:100 0.025