Project Number Date
test_Tails_ISO_10422-tor-browser-in-flatpak 31 12 Mar 2025, 07:43

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 11:49.040 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.
25.467
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 8.498
And I prepare Tails for memory erasure tests 0.464
When I start a process allocating 128 MiB of memory with a known pattern 2.882
Then patterns cover at least 128 MiB in the guest's memory 4.026

Pattern coverage: 100.000% (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 8.284

Pattern coverage: 0.000% (0 MiB out of 855 MiB reference memory)

After features/support/hooks.rb:330 0.964
After features/support/hooks.rb:100 0.000
24.997
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 8.245
And I prepare Tails for memory erasure tests 0.528
And I find very few patterns in the guest's memory 3.440

Pattern coverage: 0.000% (0 MiB out of 852 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.910
Then patterns cover at least 99% of the test FS size in the guest's memory 3.974

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

When I umount "/mnt" 0.522
Then I find very few patterns in the guest's memory after 3 seconds 6.375

Pattern coverage: 0.000% (0 MiB out of 852 MiB reference memory)

After features/support/hooks.rb:330 0.729
After features/support/hooks.rb:100 0.000
58.604
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 8.602
And I prepare Tails for memory erasure tests 0.489
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.572
Then I find very few patterns in the guest's memory 5.022

Pattern coverage: 0.000% (0 MiB out of 850 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 8.570
Then patterns cover at least 75% of the test FS size in the guest's memory 4.536

Pattern coverage: 86.031% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.736
Then I find very few patterns in the guest's memory after 3 seconds 6.612

Pattern coverage: 0.000% (0 MiB out of 850 MiB reference memory)

# read cache
When I mount the USB drive again 0.287
And I read the content of the test FS 0.717
Then patterns cover at least 99% of the test FS size in the guest's memory 3.812

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

When I umount the USB drive 0.607
Then I find very few patterns in the guest's memory after 3 seconds 7.035

Pattern coverage: 0.000% (0 MiB out of 850 MiB reference memory)

After features/support/hooks.rb:330 1.517
After features/support/hooks.rb:100 0.000
1:25.980
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 8.505
And I prepare Tails for memory erasure tests 0.486
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.891
Then I find very few patterns in the guest's memory 3.670

Pattern coverage: 0.000% (0 MiB out of 850 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.168
Then patterns cover at least 99% of the test FS size in the guest's memory 5.173

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

When I umount the USB drive 3.647
Then I find very few patterns in the guest's memory after 3 seconds 5.849

Pattern coverage: 0.000% (0 MiB out of 850 MiB reference memory)

# read cache
When I mount the USB drive again 5.006
And I read the content of the test FS 1.981
Then patterns cover at least 99% of the test FS size in the guest's memory 3.650

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

When I umount the USB drive 1.084
Then I find very few patterns in the guest's memory after 3 seconds 5.863

Pattern coverage: 0.000% (0 MiB out of 850 MiB reference memory)

After features/support/hooks.rb:330 2.234
After features/support/hooks.rb:100 0.000
54.686
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.260
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the root filesystem 20.208
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.009
Then patterns cover at least 128 MiB in the guest's memory 2.904

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 20.829

Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)

After features/support/hooks.rb:330 3.566
After features/support/hooks.rb:100 0.000
7:39.303
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 6:55.713
And I prepare Tails for memory erasure tests 0.800
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.614
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.159

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:330 3.509
After features/support/hooks.rb:100 0.011