Project Number Date
test_Tails_ISO_20860-unsafe-browser-desktop-portals 2 08 May 2025, 00:26

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 12:40.275 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.
25.422
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 9.135
And I prepare Tails for memory erasure tests 1.045
When I start a process allocating 128 MiB of memory with a known pattern 2.450
Then patterns cover at least 128 MiB in the guest's memory 3.614

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

When I kill the allocating process 0.623
Then I find very few patterns in the guest's memory after 5 seconds 8.552

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 0.946
After features/support/hooks.rb:100 0.000
26.909
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 8.491
And I prepare Tails for memory erasure tests 0.476
And I find very few patterns in the guest's memory 3.714

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.077
Then patterns cover at least 99% of the test FS size in the guest's memory 4.372

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

When I umount "/mnt" 1.200
Then I find very few patterns in the guest's memory after 3 seconds 6.577

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 0.758
After features/support/hooks.rb:100 0.000
56.600
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 8.363
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.082
Then I find very few patterns in the guest's memory 7.209

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.611
Then patterns cover at least 75% of the test FS size in the guest's memory 5.889

Pattern coverage: 86.610% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.993
Then I find very few patterns in the guest's memory after 3 seconds 9.126

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

# read cache
When I mount the USB drive again 0.243
And I read the content of the test FS 0.608
Then patterns cover at least 99% of the test FS size in the guest's memory 4.183

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

When I umount the USB drive 0.393
Then I find very few patterns in the guest's memory after 3 seconds 6.496

Pattern coverage: 0.001% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 0.860
After features/support/hooks.rb:100 0.000
1:19.878
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 8.272
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.833
Then I find very few patterns in the guest's memory 2.450

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

# write cache
When I fill the USB drive with a known pattern 2.018
Then patterns cover at least 99% of the test FS size in the guest's memory 3.692

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

When I umount the USB drive 1.001
Then I find very few patterns in the guest's memory after 3 seconds 5.890

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

# read cache
When I mount the USB drive again 4.325
And I read the content of the test FS 0.626
Then patterns cover at least 99% of the test FS size in the guest's memory 3.464

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

When I umount the USB drive 0.850
Then I find very few patterns in the guest's memory after 3 seconds 6.020

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

After features/support/hooks.rb:330 1.643
After features/support/hooks.rb:100 0.000
57.760
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 8.634
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the root filesystem 17.213
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 7.623
Then patterns cover at least 128 MiB in the guest's memory 2.934

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.882

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:330 3.490
After features/support/hooks.rb:100 0.000
8:33.703
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 7:49.721
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.268
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.260

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

After features/support/hooks.rb:330 3.524
After features/support/hooks.rb:100 0.013