Project Number Date
test_Tails_ISO_stable 5689 31 May 2025, 09:29

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 11:40.233 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
30.291
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 9.436
And I prepare Tails for memory erasure tests 0.385
When I start a process allocating 128 MiB of memory with a known pattern 5.246
Then patterns cover at least 128 MiB in the guest's memory 5.172 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.996
Then I find very few patterns in the guest's memory after 5 seconds 9.055 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.950
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.503
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 8.726
And I prepare Tails for memory erasure tests 0.420
And I find very few patterns in the guest's memory 4.395 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.659
Then patterns cover at least 99% of the test FS size in the guest's memory 3.980 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.595
Then I find very few patterns in the guest's memory after 3 seconds 6.726 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.702
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.266
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 8.873
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.488
Then I find very few patterns in the guest's memory 4.305 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.673
Then patterns cover at least 75% of the test FS size in the guest's memory 6.010 
Pattern coverage: 89.276% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.234
Then I find very few patterns in the guest's memory after 3 seconds 7.054 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.274
And I read the content of the test FS 0.721
Then patterns cover at least 99% of the test FS size in the guest's memory 5.178 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.450
Then I find very few patterns in the guest's memory after 3 seconds 11.534 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.961
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.288
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 10.365
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.388
Then I find very few patterns in the guest's memory 3.132 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.863
Then patterns cover at least 99% of the test FS size in the guest's memory 3.582 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.754
Then I find very few patterns in the guest's memory after 3 seconds 6.760 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 4.032
And I read the content of the test FS 0.680
Then patterns cover at least 99% of the test FS size in the guest's memory 3.312 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.903
Then I find very few patterns in the guest's memory after 3 seconds 6.122 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.042
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.163
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 8.382
And I prepare Tails for memory erasure tests 0.377
When I fill a 128 MiB file with a known pattern on the root filesystem 14.368
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.484
Then patterns cover at least 128 MiB in the guest's memory 2.727 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.040
Then I find very few patterns in the guest's memory after 20 seconds 20.782 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 3.537
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:31.718
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 6:44.219
And I prepare Tails for memory erasure tests 0.880
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.300
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.305 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.539
After features/support/hooks.rb:100 0.012