Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 58 15 Jul 2025, 11:39

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 15:6.159 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
36.190
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 8.268
And I prepare Tails for memory erasure tests 1.493
When I start a process allocating 128 MiB of memory with a known pattern 4.406
Then patterns cover at least 128 MiB in the guest's memory 6.368 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.697
Then I find very few patterns in the guest's memory after 5 seconds 14.955 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 2.366
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.716
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 8.216
And I prepare Tails for memory erasure tests 0.591
And I find very few patterns in the guest's memory 7.950 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.083
Then patterns cover at least 99% of the test FS size in the guest's memory 3.864 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.456
Then I find very few patterns in the guest's memory after 3 seconds 6.554 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 3.929
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.190
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.061
Given I have started Tails from DVD without network and logged in 11.276
And I prepare Tails for memory erasure tests 0.518
When I plug and mount a 128 MiB USB drive with a vfat filesystem 17.715
Then I find very few patterns in the guest's memory 3.123 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.017
Then patterns cover at least 75% of the test FS size in the guest's memory 11.677 
Pattern coverage: 85.936% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.069
Then I find very few patterns in the guest's memory after 3 seconds 6.207 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 0.200
And I read the content of the test FS 1.871
Then patterns cover at least 99% of the test FS size in the guest's memory 10.778 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.428
Then I find very few patterns in the guest's memory after 3 seconds 6.305 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 1.122
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:59.226
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 14.177
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:4.531
Then I find very few patterns in the guest's memory 7.096 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.660
Then patterns cover at least 99% of the test FS size in the guest's memory 3.699 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.830
Then I find very few patterns in the guest's memory after 3 seconds 5.975 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 9.993
And I read the content of the test FS 0.545
Then patterns cover at least 99% of the test FS size in the guest's memory 2.693 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.584
Then I find very few patterns in the guest's memory after 3 seconds 6.007 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 5.748
After features/support/hooks.rb:100 0.003
Tags: @product @slow @not_release_blocker
1:3.318
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.013
Given I have started Tails from DVD without network and logged in 10.265
And I prepare Tails for memory erasure tests 0.618
When I fill a 128 MiB file with a known pattern on the root filesystem 20.142
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.639
Then patterns cover at least 128 MiB in the guest's memory 8.578 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 21.050 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 3.768
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:42.516
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 8:55.780
And I prepare Tails for memory erasure tests 0.610
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.920
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.192 
Pattern coverage: 0.000% (0 MiB out of 925 MiB reference memory)
After features/support/hooks.rb:330 3.615
After features/support/hooks.rb:100 0.013