Project Number Date
test_Tails_ISO_stable 5432 30 Jan 2025, 08:43

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 11:33.984 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
23.971
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.211
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 2.432
Then patterns cover at least 128 MiB in the guest's memory 3.498 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.384
Then I find very few patterns in the guest's memory after 5 seconds 7.990 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.840
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.215
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.968
And I prepare Tails for memory erasure tests 0.455
And I find very few patterns in the guest's memory 2.985 
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 1.684
Then patterns cover at least 99% of the test FS size in the guest's memory 3.368 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.870
Then I find very few patterns in the guest's memory after 3 seconds 5.881 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.912
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.449
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.493
And I prepare Tails for memory erasure tests 0.457
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.155
Then I find very few patterns in the guest's memory 3.195 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.538
Then patterns cover at least 75% of the test FS size in the guest's memory 3.600 
Pattern coverage: 89.732% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.365
Then I find very few patterns in the guest's memory after 3 seconds 6.616 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.236
And I read the content of the test FS 0.638
Then patterns cover at least 99% of the test FS size in the guest's memory 4.012 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.550
Then I find very few patterns in the guest's memory after 3 seconds 6.587 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.935
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.076
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.165
And I prepare Tails for memory erasure tests 0.458
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.299
Then I find very few patterns in the guest's memory 2.852 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.864
Then patterns cover at least 99% of the test FS size in the guest's memory 2.609 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.469
Then I find very few patterns in the guest's memory after 3 seconds 5.936 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
# read cache
When I mount the USB drive again 4.950
And I read the content of the test FS 0.452
Then patterns cover at least 99% of the test FS size in the guest's memory 3.278 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.726
Then I find very few patterns in the guest's memory after 3 seconds 6.010 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:326 0.836
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.900
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.046
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 14.127
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.992
Then patterns cover at least 128 MiB in the guest's memory 2.562 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.709 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 3.491
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:54.371
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:10.845
And I prepare Tails for memory erasure tests 0.971
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.175
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.360 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.013