Project Number Date
test_Tails_ISO_10422-tor-browser-in-flatpak 13 13 Feb 2025, 04:49

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 11:44.522 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.
23.751
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.015
And I prepare Tails for memory erasure tests 0.424
When I start a process allocating 128 MiB of memory with a known pattern 2.662
Then patterns cover at least 128 MiB in the guest's memory 3.465

Pattern coverage: 100.003% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 1.311
Then I find very few patterns in the guest's memory after 5 seconds 7.871

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

After features/support/hooks.rb:326 0.904
After features/support/hooks.rb:100 0.000
26.691
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.563
And I prepare Tails for memory erasure tests 0.502
And I find very few patterns in the guest's memory 3.114

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.912
Then patterns cover at least 99% of the test FS size in the guest's memory 3.533

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

When I umount "/mnt" 1.399
Then I find very few patterns in the guest's memory after 3 seconds 6.665

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

After features/support/hooks.rb:326 1.650
After features/support/hooks.rb:100 0.000
51.291
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.212
And I prepare Tails for memory erasure tests 0.390
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.351
Then I find very few patterns in the guest's memory 2.732

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

# write cache
When I fill the USB drive with a known pattern 2.917
Then patterns cover at least 75% of the test FS size in the guest's memory 3.823

Pattern coverage: 88.303% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.596
Then I find very few patterns in the guest's memory after 3 seconds 6.567

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

# read cache
When I mount the USB drive again 0.295
And I read the content of the test FS 0.485
Then patterns cover at least 99% of the test FS size in the guest's memory 3.946

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

When I umount the USB drive 4.947
Then I find very few patterns in the guest's memory after 3 seconds 6.024

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

After features/support/hooks.rb:326 1.052
After features/support/hooks.rb:100 0.000
1:20.504
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.298
And I prepare Tails for memory erasure tests 0.373
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.801
Then I find very few patterns in the guest's memory 2.583

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.942
Then patterns cover at least 99% of the test FS size in the guest's memory 2.887

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

When I umount the USB drive 1.577
Then I find very few patterns in the guest's memory after 3 seconds 5.377

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# read cache
When I mount the USB drive again 6.565
And I read the content of the test FS 0.392
Then patterns cover at least 99% of the test FS size in the guest's memory 2.833

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

When I umount the USB drive 3.564
Then I find very few patterns in the guest's memory after 3 seconds 5.306

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 0.840
After features/support/hooks.rb:100 0.000
53.612
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.476
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the root filesystem 17.645
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.974
Then patterns cover at least 128 MiB in the guest's memory 2.366

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 20.723

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

After features/support/hooks.rb:326 3.493
After features/support/hooks.rb:100 0.000
7:48.671
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 7:1.835
And I prepare Tails for memory erasure tests 0.484
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.028
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.310

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

After features/support/hooks.rb:326 3.570
After features/support/hooks.rb:100 0.012