Project Number Date
test_Tails_ISO_simplify-build-memory-requirements 5 16 May 2025, 22:20

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 12:28.550 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
26.612
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 8.177
And I prepare Tails for memory erasure tests 0.458
When I start a process allocating 128 MiB of memory with a known pattern 2.615
Then patterns cover at least 128 MiB in the guest's memory 5.736 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.696
Then I find very few patterns in the guest's memory after 5 seconds 8.927 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.838
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.846
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 8.478
And I prepare Tails for memory erasure tests 0.428
And I find very few patterns in the guest's memory 3.837 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.314
Then patterns cover at least 99% of the test FS size in the guest's memory 4.151 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.560
Then I find very few patterns in the guest's memory after 3 seconds 7.076 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.751
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.120
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 8.557
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.199
Then I find very few patterns in the guest's memory 3.893 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.810
Then patterns cover at least 75% of the test FS size in the guest's memory 4.343 
Pattern coverage: 89.974% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.246
Then I find very few patterns in the guest's memory after 3 seconds 6.590 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.244
And I read the content of the test FS 1.452
Then patterns cover at least 99% of the test FS size in the guest's memory 3.899 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.489
Then I find very few patterns in the guest's memory after 3 seconds 6.997 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.094
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.555
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 8.079
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.232
Then I find very few patterns in the guest's memory 3.002 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.561
Then patterns cover at least 99% of the test FS size in the guest's memory 3.420 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.743
Then I find very few patterns in the guest's memory after 3 seconds 6.042 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 3.890
And I read the content of the test FS 1.280
Then patterns cover at least 99% of the test FS size in the guest's memory 3.636 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.570
Then I find very few patterns in the guest's memory after 3 seconds 6.627 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 1.797
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.951
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 8.029
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the root filesystem 17.266
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 6.959
Then patterns cover at least 128 MiB in the guest's memory 3.365 
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 20.910 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 3.764
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:30.464
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:46.737
And I prepare Tails for memory erasure tests 0.427
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.911
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.365 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.780
After features/support/hooks.rb:100 0.011