Project Number Date
test_Tails_ISO_20979-pdfarranger 6 01 Jun 2025, 03:07

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 11:12.291 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.
24.322
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 8.112
And I prepare Tails for memory erasure tests 0.426
When I start a process allocating 128 MiB of memory with a known pattern 2.539
Then patterns cover at least 128 MiB in the guest's memory 3.507

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

When I kill the allocating process 1.014
Then I find very few patterns in the guest's memory after 5 seconds 8.722

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

After features/support/hooks.rb:330 0.756
After features/support/hooks.rb:100 0.000
26.241
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 8.056
And I prepare Tails for memory erasure tests 0.417
And I find very few patterns in the guest's memory 3.654

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.574
Then patterns cover at least 99% of the test FS size in the guest's memory 3.952

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

When I umount "/mnt" 0.717
Then I find very few patterns in the guest's memory after 3 seconds 6.868

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:330 0.722
After features/support/hooks.rb:100 0.000
48.668
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 8.057
And I prepare Tails for memory erasure tests 0.388
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.100
Then I find very few patterns in the guest's memory 3.036

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.791
Then patterns cover at least 75% of the test FS size in the guest's memory 4.062

Pattern coverage: 91.431% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.171
Then I find very few patterns in the guest's memory after 3 seconds 6.953

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# read cache
When I mount the USB drive again 0.261
And I read the content of the test FS 0.553
Then patterns cover at least 99% of the test FS size in the guest's memory 3.990

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

When I umount the USB drive 0.568
Then I find very few patterns in the guest's memory after 3 seconds 6.733

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:330 0.754
After features/support/hooks.rb:100 0.000
1:15.556
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 8.220
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.199
Then I find very few patterns in the guest's memory 2.786

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

# write cache
When I fill the USB drive with a known pattern 1.843
Then patterns cover at least 99% of the test FS size in the guest's memory 3.009

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

When I umount the USB drive 0.870
Then I find very few patterns in the guest's memory after 3 seconds 5.995

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

# read cache
When I mount the USB drive again 8.505
And I read the content of the test FS 0.563
Then patterns cover at least 99% of the test FS size in the guest's memory 3.483

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

When I umount the USB drive 0.660
Then I find very few patterns in the guest's memory after 3 seconds 6.016

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

After features/support/hooks.rb:330 0.788
After features/support/hooks.rb:100 0.000
50.770
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 9.043
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the root filesystem 15.690
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.931
Then patterns cover at least 128 MiB in the guest's memory 2.888

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.775

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

After features/support/hooks.rb:330 3.501
After features/support/hooks.rb:100 0.000
7:26.732
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 6:41.438
And I prepare Tails for memory erasure tests 0.995
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.165
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.121

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:330 3.543
After features/support/hooks.rb:100 0.011