Project Number Date
test_Tails_ISO_devel 4051 03 Nov 2025, 21:12

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 14:49.713 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
46.618
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 8.692
And I prepare Tails for memory erasure tests 0.454
When I start a process allocating 128 MiB of memory with a known pattern 2.370
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.107 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.946
Then I find very few patterns in the guest's memory after 5 seconds 19.045 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 0.744
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.823
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 9.114
And I prepare Tails for memory erasure tests 0.389
And I find very few patterns in the guest's memory 14.480 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.068
Then patterns cover at least 99% of the test FS size in the guest's memory 15.202 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.565
Then I find very few patterns in the guest's memory after 3 seconds 17.001 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 1.221
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:42.571
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 8.744
And I prepare Tails for memory erasure tests 0.573
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.546
Then I find very few patterns in the guest's memory 14.673 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.636
Then patterns cover at least 75% of the test FS size in the guest's memory 15.558 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.035
Then I find very few patterns in the guest's memory after 3 seconds 17.887 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# read cache
When I mount the USB drive again 0.255
And I read the content of the test FS 0.875
Then patterns cover at least 99% of the test FS size in the guest's memory 15.508 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.536
Then I find very few patterns in the guest's memory after 3 seconds 17.740 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 0.914
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:2.277
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 8.832
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.433
Then I find very few patterns in the guest's memory 13.195 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.753
Then patterns cover at least 99% of the test FS size in the guest's memory 13.677 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.683
Then I find very few patterns in the guest's memory after 3 seconds 17.266 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# read cache
When I mount the USB drive again 4.815
And I read the content of the test FS 0.528
Then patterns cover at least 99% of the test FS size in the guest's memory 13.872 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.549
Then I find very few patterns in the guest's memory after 3 seconds 16.258 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 0.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.081
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 8.566
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 11.245
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.680
Then patterns cover at least 128 MiB in the guest's memory 9.584 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 23.589 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:331 3.717
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:23.340
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:25.497
And I prepare Tails for memory erasure tests 2.336
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.384
When I trigger shutdown 0.231
Then I find very few patterns in the guest's memory after 20 seconds 26.890 
Pattern coverage: 0.000% (0 MiB out of 1522 MiB reference memory)
After features/support/hooks.rb:331 3.598
After features/support/hooks.rb:100 0.013