Project Number Date
test_Tails_ISO_devel 3808 13 May 2025, 13:18

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 12:0.038 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
25.490
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 8.614
And I prepare Tails for memory erasure tests 0.455
When I start a process allocating 128 MiB of memory with a known pattern 2.413
Then patterns cover at least 128 MiB in the guest's memory 4.354 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.252
Then I find very few patterns in the guest's memory after 5 seconds 9.400 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.848
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.832
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 8.473
And I prepare Tails for memory erasure tests 0.504
And I find very few patterns in the guest's memory 3.574 
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 2.989
Then patterns cover at least 99% of the test FS size in the guest's memory 5.380 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.882
Then I find very few patterns in the guest's memory after 3 seconds 7.027 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.291
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.070
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 8.341
And I prepare Tails for memory erasure tests 0.468
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.473
Then I find very few patterns in the guest's memory 3.743 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.084
Then patterns cover at least 75% of the test FS size in the guest's memory 4.542 
Pattern coverage: 90.409% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.230
Then I find very few patterns in the guest's memory after 3 seconds 7.175 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.313
And I read the content of the test FS 1.296
Then patterns cover at least 99% of the test FS size in the guest's memory 4.476 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.678
Then I find very few patterns in the guest's memory after 3 seconds 7.244 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.294
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.914
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 8.889
And I prepare Tails for memory erasure tests 0.471
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.906
Then I find very few patterns in the guest's memory 3.094 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.088
Then patterns cover at least 99% of the test FS size in the guest's memory 3.680 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.510
Then I find very few patterns in the guest's memory after 3 seconds 6.483 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 4.534
And I read the content of the test FS 0.418
Then patterns cover at least 99% of the test FS size in the guest's memory 3.572 
Pattern coverage: 106.116% (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 6.507 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 3.077
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.303
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 9.247
And I prepare Tails for memory erasure tests 0.535
When I fill a 128 MiB file with a known pattern on the root filesystem 18.668
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.096
Then patterns cover at least 128 MiB in the guest's memory 3.465 
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 21.274 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.542
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:0.427
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 7:16.064
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.730
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 22.154 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.529
After features/support/hooks.rb:100 0.016