Project Number Date
test_Tails_ISO_stable 5466 18 Feb 2025, 12:52

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 12:35.555 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
30.109
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.566
And I prepare Tails for memory erasure tests 0.378
When I start a process allocating 128 MiB of memory with a known pattern 2.376
Then patterns cover at least 128 MiB in the guest's memory 6.143 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.093
Then I find very few patterns in the guest's memory after 5 seconds 9.551 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.876
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
40.328
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.445
And I prepare Tails for memory erasure tests 0.412
And I find very few patterns in the guest's memory 6.542 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.369
Then patterns cover at least 99% of the test FS size in the guest's memory 8.761 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.986
Then I find very few patterns in the guest's memory after 3 seconds 11.809 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.226
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.187
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.838
And I prepare Tails for memory erasure tests 0.465
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.116
Then I find very few patterns in the guest's memory 6.930 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.600
Then patterns cover at least 75% of the test FS size in the guest's memory 9.587 
Pattern coverage: 88.339% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.551
Then I find very few patterns in the guest's memory after 3 seconds 10.439 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 0.313
And I read the content of the test FS 0.707
Then patterns cover at least 99% of the test FS size in the guest's memory 10.453 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.761
Then I find very few patterns in the guest's memory after 3 seconds 11.423 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 1.289
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.708
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.849
And I prepare Tails for memory erasure tests 0.390
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.925
Then I find very few patterns in the guest's memory 3.032 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.064
Then patterns cover at least 99% of the test FS size in the guest's memory 3.365 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.024
Then I find very few patterns in the guest's memory after 3 seconds 6.901 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 4.773
And I read the content of the test FS 0.731
Then patterns cover at least 99% of the test FS size in the guest's memory 5.027 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.644
Then I find very few patterns in the guest's memory after 3 seconds 5.979 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.969
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.698
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.028
And I prepare Tails for memory erasure tests 0.396
When I fill a 128 MiB file with a known pattern on the root filesystem 17.207
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.145
Then patterns cover at least 128 MiB in the guest's memory 3.086 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.818 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.470
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:53.522
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:6.709
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.136
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.197 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.014