Project Number Date
test_Tails_ISO_10422-tor-browser-in-flatpak 16 14 Feb 2025, 05:24

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 11:28.138 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.
22.625
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.996
And I prepare Tails for memory erasure tests 0.413
When I start a process allocating 128 MiB of memory with a known pattern 2.843
Then patterns cover at least 128 MiB in the guest's memory 3.350

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

When I kill the allocating process 0.237
Then I find very few patterns in the guest's memory after 5 seconds 7.783

Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)

After features/support/hooks.rb:326 0.835
After features/support/hooks.rb:100 0.000
41.427
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 22.153
And I prepare Tails for memory erasure tests 0.395
And I find very few patterns in the guest's memory 4.025

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.170
Then patterns cover at least 99% of the test FS size in the guest's memory 5.144

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

When I umount "/mnt" 0.877
Then I find very few patterns in the guest's memory after 3 seconds 6.660

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

After features/support/hooks.rb:326 1.016
After features/support/hooks.rb:100 0.000
45.868
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.115
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.132
Then I find very few patterns in the guest's memory 3.434

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.803
Then patterns cover at least 75% of the test FS size in the guest's memory 3.281

Pattern coverage: 89.965% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.282
Then I find very few patterns in the guest's memory after 3 seconds 5.875

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

# read cache
When I mount the USB drive again 0.393
And I read the content of the test FS 0.476
Then patterns cover at least 99% of the test FS size in the guest's memory 3.069

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

When I umount the USB drive 0.573
Then I find very few patterns in the guest's memory after 3 seconds 6.008

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:326 1.165
After features/support/hooks.rb:100 0.000
1:12.688
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.026
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.268
Then I find very few patterns in the guest's memory 2.839

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.187
Then patterns cover at least 99% of the test FS size in the guest's memory 2.942

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

When I umount the USB drive 1.010
Then I find very few patterns in the guest's memory after 3 seconds 5.332

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

# read cache
When I mount the USB drive again 5.071
And I read the content of the test FS 0.439
Then patterns cover at least 99% of the test FS size in the guest's memory 2.832

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

When I umount the USB drive 0.822
Then I find very few patterns in the guest's memory after 3 seconds 5.497

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:326 0.854
After features/support/hooks.rb:100 0.000
50.141
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.984
And I prepare Tails for memory erasure tests 0.399
When I fill a 128 MiB file with a known pattern on the root filesystem 15.883
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.792
Then patterns cover at least 128 MiB in the guest's memory 2.367

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

When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 20.690

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:326 3.495
After features/support/hooks.rb:100 0.000
7:35.388
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:49.584
And I prepare Tails for memory erasure tests 0.564
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.102
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.123

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.011