Project Number Date
test_Tails_ISO_tca-remove-cruft 5 12 May 2025, 09:54

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 10:51.434 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
24.357
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 7.918
And I prepare Tails for memory erasure tests 0.527
When I start a process allocating 128 MiB of memory with a known pattern 2.480
Then patterns cover at least 128 MiB in the guest's memory 3.408 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.428
Then I find very few patterns in the guest's memory after 5 seconds 8.594 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.647
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.652
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 8.392
And I prepare Tails for memory erasure tests 0.487
And I find very few patterns in the guest's memory 3.621 
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 2.241
Then patterns cover at least 99% of the test FS size in the guest's memory 3.878 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.493
Then I find very few patterns in the guest's memory after 3 seconds 6.537 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.763
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.262
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 7.888
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.926
Then I find very few patterns in the guest's memory 3.256 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.404
Then patterns cover at least 75% of the test FS size in the guest's memory 4.229 
Pattern coverage: 86.426% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.920
Then I find very few patterns in the guest's memory after 3 seconds 6.540 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.213
And I read the content of the test FS 0.631
Then patterns cover at least 99% of the test FS size in the guest's memory 3.913 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.576
Then I find very few patterns in the guest's memory after 3 seconds 6.333 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.659
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.437
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 7.970
And I prepare Tails for memory erasure tests 0.549
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.689
Then I find very few patterns in the guest's memory 2.879 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.343
Then patterns cover at least 99% of the test FS size in the guest's memory 3.615 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.727
Then I find very few patterns in the guest's memory after 3 seconds 6.004 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 4.035
And I read the content of the test FS 0.539
Then patterns cover at least 99% of the test FS size in the guest's memory 3.311 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.670
Then I find very few patterns in the guest's memory after 3 seconds 6.100 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.187
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.003
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 7.955
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the root filesystem 17.295
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.111
Then patterns cover at least 128 MiB in the guest's memory 2.488 
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 20.713 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.499
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:11.720
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 6:28.794
And I prepare Tails for memory erasure tests 0.455
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.127
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.330 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.522
After features/support/hooks.rb:100 0.011