Project Number Date
test_Tails_ISO_feature-arti 55 11 May 2025, 16:40

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 12:26.650 Passed
Tags: @product @slow @not_release_blocker
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.
Tags: @product @slow @not_release_blocker
24.775
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.548
And I prepare Tails for memory erasure tests 0.491
When I start a process allocating 128 MiB of memory with a known pattern 2.445
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 0.474
Then I find very few patterns in the guest's memory after 5 seconds 8.788 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.751
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.149
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 8.433
And I prepare Tails for memory erasure tests 0.511
And I find very few patterns in the guest's memory 4.034 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.959
Then patterns cover at least 99% of the test FS size in the guest's memory 4.398 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.585
Then I find very few patterns in the guest's memory after 3 seconds 7.224 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.789
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.401
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 8.941
And I prepare Tails for memory erasure tests 0.565
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.041
Then I find very few patterns in the guest's memory 3.768 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.236
Then patterns cover at least 75% of the test FS size in the guest's memory 6.056 
Pattern coverage: 87.476% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.262
Then I find very few patterns in the guest's memory after 3 seconds 6.766 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.224
And I read the content of the test FS 0.632
Then patterns cover at least 99% of the test FS size in the guest's memory 4.261 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 7.221 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 0.943
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.490
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 8.539
And I prepare Tails for memory erasure tests 0.571
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.740
Then I find very few patterns in the guest's memory 3.394 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.019
Then patterns cover at least 99% of the test FS size in the guest's memory 3.313 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.153
Then I find very few patterns in the guest's memory after 3 seconds 6.470 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 13.146
And I read the content of the test FS 0.433
Then patterns cover at least 99% of the test FS size in the guest's memory 4.051 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory after 3 seconds 6.130 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 1.315
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.875
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 8.452
And I prepare Tails for memory erasure tests 0.519
When I fill a 128 MiB file with a known pattern on the root filesystem 19.217
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.619
Then patterns cover at least 128 MiB in the guest's memory 3.216 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.836 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.516
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:19.957
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 7:35.195
And I prepare Tails for memory erasure tests 0.481
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.949
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.318 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.534
After features/support/hooks.rb:100 0.011