Project Number Date
test_Tails_ISO_feature-arti 75 29 May 2025, 17:04

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 11:10.449 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
23.706
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 8.323
And I prepare Tails for memory erasure tests 0.580
When I start a process allocating 128 MiB of memory with a known pattern 1.425
Then patterns cover at least 128 MiB in the guest's memory 4.240 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.872
Then I find very few patterns in the guest's memory after 5 seconds 8.264 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.690
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.888
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 8.307
And I prepare Tails for memory erasure tests 0.639
And I find very few patterns in the guest's memory 3.524 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.114
Then patterns cover at least 99% of the test FS size in the guest's memory 3.780 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.450
Then I find very few patterns in the guest's memory after 3 seconds 6.070 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.765
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.297
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 8.595
And I prepare Tails for memory erasure tests 0.561
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.977
Then I find very few patterns in the guest's memory 3.175 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.730
Then patterns cover at least 75% of the test FS size in the guest's memory 4.124 
Pattern coverage: 88.970% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.040
Then I find very few patterns in the guest's memory after 3 seconds 6.221 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.284
And I read the content of the test FS 0.727
Then patterns cover at least 99% of the test FS size in the guest's memory 3.871 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.553
Then I find very few patterns in the guest's memory after 3 seconds 6.433 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.672
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.996
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 8.098
And I prepare Tails for memory erasure tests 0.381
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.348
Then I find very few patterns in the guest's memory 3.923 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.801
Then patterns cover at least 99% of the test FS size in the guest's memory 3.748 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.783
Then I find very few patterns in the guest's memory after 3 seconds 5.890 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 3.955
And I read the content of the test FS 0.467
Then patterns cover at least 99% of the test FS size in the guest's memory 3.407 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.459
Then I find very few patterns in the guest's memory after 3 seconds 5.731 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.899
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.222
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 8.149
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the root filesystem 16.482
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.288
Then patterns cover at least 128 MiB in the guest's memory 2.996 
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 20.791 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.517
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:27.338
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 6:41.622
And I prepare Tails for memory erasure tests 0.739
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.545
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.417 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.548
After features/support/hooks.rb:100 0.013