Project Number Date
test_Tails_ISO_10422-tor-browser-in-flatpak 23 18 Feb 2025, 05:26

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 11:0.834 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.
23.780
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.978
And I prepare Tails for memory erasure tests 0.432
When I start a process allocating 128 MiB of memory with a known pattern 2.745
Then patterns cover at least 128 MiB in the guest's memory 3.250

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

When I kill the allocating process 1.366
Then I find very few patterns in the guest's memory after 5 seconds 8.006

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

After features/support/hooks.rb:326 1.554
After features/support/hooks.rb:100 0.000
23.374
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.959
And I prepare Tails for memory erasure tests 0.401
And I find very few patterns in the guest's memory 2.886

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 2.206
Then patterns cover at least 99% of the test FS size in the guest's memory 3.457

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

When I umount "/mnt" 0.674
Then I find very few patterns in the guest's memory after 3 seconds 5.788

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

After features/support/hooks.rb:326 0.874
After features/support/hooks.rb:100 0.000
47.075
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.781
And I prepare Tails for memory erasure tests 0.453
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.101
Then I find very few patterns in the guest's memory 3.008

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

# write cache
When I fill the USB drive with a known pattern 3.230
Then patterns cover at least 75% of the test FS size in the guest's memory 3.258

Pattern coverage: 88.970% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.751
Then I find very few patterns in the guest's memory after 3 seconds 5.961

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

# read cache
When I mount the USB drive again 0.270
And I read the content of the test FS 0.605
Then patterns cover at least 99% of the test FS size in the guest's memory 3.170

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

When I umount the USB drive 0.652
Then I find very few patterns in the guest's memory after 3 seconds 5.829

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

After features/support/hooks.rb:326 0.886
After features/support/hooks.rb:100 0.000
1:14.314
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.011
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.388
Then I find very few patterns in the guest's memory 3.298

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.832
Then patterns cover at least 99% of the test FS size in the guest's memory 2.805

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

When I umount the USB drive 1.340
Then I find very few patterns in the guest's memory after 3 seconds 5.404

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

# read cache
When I mount the USB drive again 5.414
And I read the content of the test FS 0.448
Then patterns cover at least 99% of the test FS size in the guest's memory 2.736

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 2.639
Then I find very few patterns in the guest's memory after 3 seconds 5.542

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 0.961
After features/support/hooks.rb:100 0.000
52.733
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.490
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the root filesystem 18.804
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.013
Then patterns cover at least 128 MiB in the guest's memory 2.233

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.733

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

After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.000
7:19.554
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:36.549
And I prepare Tails for memory erasure tests 0.483
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.327
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.175

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.010