Project Number Date
test_Tails_ISO_devel 3836 26 May 2025, 09:49

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 11:45.175 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
25.597
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 8.596
And I prepare Tails for memory erasure tests 0.535
When I start a process allocating 128 MiB of memory with a known pattern 2.978
Then patterns cover at least 128 MiB in the guest's memory 4.436 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.253
Then I find very few patterns in the guest's memory after 5 seconds 8.797 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.737
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.082
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 8.815
And I prepare Tails for memory erasure tests 0.660
And I find very few patterns in the guest's memory 5.495 
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 1.928
Then patterns cover at least 99% of the test FS size in the guest's memory 3.976 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.622
Then I find very few patterns in the guest's memory after 3 seconds 7.582 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.778
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.595
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 8.511
And I prepare Tails for memory erasure tests 0.643
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.117
Then I find very few patterns in the guest's memory 4.216 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.441
Then patterns cover at least 75% of the test FS size in the guest's memory 10.251 
Pattern coverage: 90.195% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.992
Then I find very few patterns in the guest's memory after 3 seconds 10.836 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.247
And I read the content of the test FS 1.230
Then patterns cover at least 99% of the test FS size in the guest's memory 3.862 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.702
Then I find very few patterns in the guest's memory after 3 seconds 6.542 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.901
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.091
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 8.034
And I prepare Tails for memory erasure tests 0.503
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.112
Then I find very few patterns in the guest's memory 3.056 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.786
Then patterns cover at least 99% of the test FS size in the guest's memory 3.763 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.873
Then I find very few patterns in the guest's memory after 3 seconds 6.499 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 6.632
And I read the content of the test FS 0.766
Then patterns cover at least 99% of the test FS size in the guest's memory 3.433 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.515
Then I find very few patterns in the guest's memory after 3 seconds 6.114 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 1.252
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.529
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 8.108
And I prepare Tails for memory erasure tests 0.562
When I fill a 128 MiB file with a known pattern on the root filesystem 14.823
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.227
Then patterns cover at least 128 MiB in the guest's memory 2.990 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.800 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.550
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:41.280
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 6:55.774
And I prepare Tails for memory erasure tests 0.359
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.816
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.316 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.518
After features/support/hooks.rb:100 0.051