Project Number Date
test_Tails_ISO_20904-tor-browser-14.5-force-all-tests 5 24 Apr 2025, 14:24

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 11:18.757 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.
25.310
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 9.238
And I prepare Tails for memory erasure tests 0.589
When I start a process allocating 128 MiB of memory with a known pattern 2.316
Then patterns cover at least 128 MiB in the guest's memory 3.885

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

When I kill the allocating process 0.780
Then I find very few patterns in the guest's memory after 5 seconds 8.500

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:330 0.695
After features/support/hooks.rb:100 0.000
25.457
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 8.154
And I prepare Tails for memory erasure tests 0.568
And I find very few patterns in the guest's memory 3.003

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 1.767
Then patterns cover at least 99% of the test FS size in the guest's memory 3.661

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

When I umount "/mnt" 1.647
Then I find very few patterns in the guest's memory after 3 seconds 6.654

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

After features/support/hooks.rb:330 1.228
After features/support/hooks.rb:100 0.000
49.070
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 8.187
And I prepare Tails for memory erasure tests 0.556
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.024
Then I find very few patterns in the guest's memory 3.188

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.443
Then patterns cover at least 75% of the test FS size in the guest's memory 4.095

Pattern coverage: 88.878% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.626
Then I find very few patterns in the guest's memory after 3 seconds 6.501

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# read cache
When I mount the USB drive again 0.234
And I read the content of the test FS 0.801
Then patterns cover at least 99% of the test FS size in the guest's memory 3.773

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

When I umount the USB drive 0.664
Then I find very few patterns in the guest's memory after 3 seconds 5.973

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:330 0.898
After features/support/hooks.rb:100 0.000
1:14.922
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 8.169
And I prepare Tails for memory erasure tests 1.127
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.305
Then I find very few patterns in the guest's memory 2.806

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

# write cache
When I fill the USB drive with a known pattern 2.052
Then patterns cover at least 99% of the test FS size in the guest's memory 3.018

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

When I umount the USB drive 1.258
Then I find very few patterns in the guest's memory after 3 seconds 5.921

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

# read cache
When I mount the USB drive again 4.282
And I read the content of the test FS 0.660
Then patterns cover at least 99% of the test FS size in the guest's memory 3.063

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

When I umount the USB drive 0.723
Then I find very few patterns in the guest's memory after 3 seconds 5.533

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

After features/support/hooks.rb:330 1.020
After features/support/hooks.rb:100 0.000
52.095
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 8.859
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the root filesystem 17.026
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.172
Then patterns cover at least 128 MiB in the guest's memory 2.820

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 20.793

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

After features/support/hooks.rb:330 3.485
After features/support/hooks.rb:100 0.000
7:31.899
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 6:45.843
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.323
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.282

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:330 3.585
After features/support/hooks.rb:100 0.015