Project Number Date
test_Tails_ISO_stable 5650 15 May 2025, 22:24

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 12:17.733 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
26.742
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 8.427
And I prepare Tails for memory erasure tests 0.428
When I start a process allocating 128 MiB of memory with a known pattern 1.216
Then patterns cover at least 128 MiB in the guest's memory 6.689 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.195
Then I find very few patterns in the guest's memory after 5 seconds 8.786 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.943
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.486
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 9.744
And I prepare Tails for memory erasure tests 0.464
And I find very few patterns in the guest's memory 7.329 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.120
Then patterns cover at least 99% of the test FS size in the guest's memory 4.536 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.588
Then I find very few patterns in the guest's memory after 3 seconds 6.703 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.752
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.080
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 8.539
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.322
Then I find very few patterns in the guest's memory 3.918 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.852
Then patterns cover at least 75% of the test FS size in the guest's memory 4.890 
Pattern coverage: 86.898% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.032
Then I find very few patterns in the guest's memory after 3 seconds 6.710 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.261
And I read the content of the test FS 1.845
Then patterns cover at least 99% of the test FS size in the guest's memory 3.949 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.452
Then I find very few patterns in the guest's memory after 3 seconds 6.879 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.760
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:28.088
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 8.634
And I prepare Tails for memory erasure tests 0.465
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 43.881
Then I find very few patterns in the guest's memory 3.500 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.917
Then patterns cover at least 99% of the test FS size in the guest's memory 3.874 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.738
Then I find very few patterns in the guest's memory after 3 seconds 6.215 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 5.461
And I read the content of the test FS 1.447
Then patterns cover at least 99% of the test FS size in the guest's memory 3.743 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.770
Then I find very few patterns in the guest's memory after 3 seconds 7.436 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.274
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.481
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 8.527
And I prepare Tails for memory erasure tests 0.564
When I fill a 128 MiB file with a known pattern on the root filesystem 16.295
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.408
Then patterns cover at least 128 MiB in the guest's memory 2.781 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.892 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.504
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:6.852
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 7:18.491
And I prepare Tails for memory erasure tests 0.489
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.796
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 22.062 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 3.784
After features/support/hooks.rb:100 0.012