Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 10 31 May 2025, 09:46

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 11:7.735 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
23.041
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 8.080
And I prepare Tails for memory erasure tests 0.512
When I start a process allocating 128 MiB of memory with a known pattern 1.274
Then patterns cover at least 128 MiB in the guest's memory 4.309 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.205
Then I find very few patterns in the guest's memory after 5 seconds 8.659 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.614
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.428
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 8.081
And I prepare Tails for memory erasure tests 0.486
And I find very few patterns in the guest's memory 3.743 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.641
Then patterns cover at least 99% of the test FS size in the guest's memory 4.493 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.515
Then I find very few patterns in the guest's memory after 3 seconds 6.465 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.611
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.163
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 8.106
And I prepare Tails for memory erasure tests 0.531
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.261
Then I find very few patterns in the guest's memory 3.386 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.258
Then patterns cover at least 75% of the test FS size in the guest's memory 4.245 
Pattern coverage: 82.361% (105 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.779
Then I find very few patterns in the guest's memory after 3 seconds 6.534 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.250
And I read the content of the test FS 2.832
Then patterns cover at least 99% of the test FS size in the guest's memory 4.030 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.353
Then I find very few patterns in the guest's memory after 3 seconds 6.591 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.762
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.074
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 8.260
And I prepare Tails for memory erasure tests 0.531
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 43.371
Then I find very few patterns in the guest's memory 3.170 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.645
Then patterns cover at least 99% of the test FS size in the guest's memory 3.618 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.902
Then I find very few patterns in the guest's memory after 3 seconds 6.346 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# read cache
When I mount the USB drive again 5.399
And I read the content of the test FS 0.490
Then patterns cover at least 99% of the test FS size in the guest's memory 3.645 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.613
Then I find very few patterns in the guest's memory after 3 seconds 6.080 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 1.111
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
55.787
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 8.444
And I prepare Tails for memory erasure tests 0.470
When I fill a 128 MiB file with a known pattern on the root filesystem 20.999
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.967
Then patterns cover at least 128 MiB in the guest's memory 3.008 
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 20.881 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.547
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:8.240
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 6:23.308
And I prepare Tails for memory erasure tests 0.870
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.755
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.289 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.530
After features/support/hooks.rb:100 0.031