Project Number Date
test_Tails_ISO_10422-tor-browser-in-flatpak 34 14 Mar 2025, 06:35

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 11:33.456 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.
27.623
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 8.466
And I prepare Tails for memory erasure tests 0.429
When I start a process allocating 128 MiB of memory with a known pattern 2.463
Then patterns cover at least 128 MiB in the guest's memory 5.126

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

When I kill the allocating process 1.358
Then I find very few patterns in the guest's memory after 5 seconds 9.779

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

After features/support/hooks.rb:330 0.983
After features/support/hooks.rb:100 0.000
26.866
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 8.358
And I prepare Tails for memory erasure tests 0.402
And I find very few patterns in the guest's memory 4.356

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.053
Then patterns cover at least 99% of the test FS size in the guest's memory 4.211

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

When I umount "/mnt" 0.780
Then I find very few patterns in the guest's memory after 3 seconds 6.703

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:330 1.009
After features/support/hooks.rb:100 0.000
55.700
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 9.351
And I prepare Tails for memory erasure tests 0.623
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.392
Then I find very few patterns in the guest's memory 3.424

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

# write cache
When I fill the USB drive with a known pattern 3.807
Then patterns cover at least 75% of the test FS size in the guest's memory 5.333

Pattern coverage: 90.433% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.791
Then I find very few patterns in the guest's memory after 3 seconds 6.974

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

# read cache
When I mount the USB drive again 0.720
And I read the content of the test FS 0.964
Then patterns cover at least 99% of the test FS size in the guest's memory 3.947

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

When I umount the USB drive 0.728
Then I find very few patterns in the guest's memory after 3 seconds 6.640

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

After features/support/hooks.rb:330 1.568
After features/support/hooks.rb:100 0.000
1:14.754
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 8.965
And I prepare Tails for memory erasure tests 0.625
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.834
Then I find very few patterns in the guest's memory 3.283

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.795
Then patterns cover at least 99% of the test FS size in the guest's memory 2.771

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

When I umount the USB drive 1.166
Then I find very few patterns in the guest's memory after 3 seconds 5.386

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

# read cache
When I mount the USB drive again 5.710
And I read the content of the test FS 0.447
Then patterns cover at least 99% of the test FS size in the guest's memory 3.014

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

When I umount the USB drive 0.756
Then I find very few patterns in the guest's memory after 3 seconds 5.995

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:330 1.785
After features/support/hooks.rb:100 0.000
52.161
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 8.432
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 17.342
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.947
Then patterns cover at least 128 MiB in the guest's memory 3.147

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 20.843

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

After features/support/hooks.rb:330 3.477
After features/support/hooks.rb:100 0.000
7:36.349
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 6:52.397
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.119
When I trigger shutdown 0.025
Then I find very few patterns in the guest's memory after 20 seconds 21.331

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 3.563
After features/support/hooks.rb:100 0.013