Project Number Date
test_Tails_ISO_21619-tor-browser-15.0.16 4 14 Jun 2026, 09:49

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 7:34.903 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
18.433
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.033
Given I have started Tails from DVD without network and logged in 6.917
And I prepare Tails for memory erasure tests 0.333
When I start a process allocating 128 MiB of memory with a known pattern 2.279
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.857 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.175
Then I find very few patterns in the guest's memory after 5 seconds 6.870 
Pattern coverage: 0.000% (0 MiB out of 1538 MiB reference memory)
After features/support/hooks.rb:339 0.781
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.845
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.024
Given I have started Tails from DVD without network and logged in 7.139
And I prepare Tails for memory erasure tests 0.339
And I find very few patterns in the guest's memory 1.682 
Pattern coverage: 0.000% (0 MiB out of 1536 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.561
Then patterns cover at least 99% of the test FS size in the guest's memory 1.976 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.315
Then I find very few patterns in the guest's memory after 3 seconds 4.829 
Pattern coverage: 0.000% (0 MiB out of 1536 MiB reference memory)
After features/support/hooks.rb:339 1.016
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
33.035
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.023
Given I have started Tails from DVD without network and logged in 7.197
And I prepare Tails for memory erasure tests 0.376
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.375
Then I find very few patterns in the guest's memory 1.730 
Pattern coverage: 0.000% (0 MiB out of 1532 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.887
Then patterns cover at least 75% of the test FS size in the guest's memory 2.266 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.740
Then I find very few patterns in the guest's memory after 3 seconds 4.914 
Pattern coverage: 0.000% (0 MiB out of 1532 MiB reference memory)
# read cache
When I mount the USB drive again 0.143
And I read the content of the test FS 0.379
Then patterns cover at least 99% of the test FS size in the guest's memory 1.875 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.391
Then I find very few patterns in the guest's memory after 3 seconds 4.755 
Pattern coverage: 0.000% (0 MiB out of 1532 MiB reference memory)
After features/support/hooks.rb:339 0.725
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
59.822
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.022
Given I have started Tails from DVD without network and logged in 7.224
And I prepare Tails for memory erasure tests 0.370
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.107
Then I find very few patterns in the guest's memory 1.680 
Pattern coverage: 0.000% (0 MiB out of 1538 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.435
Then patterns cover at least 99% of the test FS size in the guest's memory 2.109 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.574
Then I find very few patterns in the guest's memory after 3 seconds 4.702 
Pattern coverage: 0.000% (0 MiB out of 1538 MiB reference memory)
# read cache
When I mount the USB drive again 4.588
And I read the content of the test FS 0.264
Then patterns cover at least 99% of the test FS size in the guest's memory 1.676 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.438
Then I find very few patterns in the guest's memory after 3 seconds 4.650 
Pattern coverage: 0.000% (0 MiB out of 1538 MiB reference memory)
After features/support/hooks.rb:339 0.937
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
52.845
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.021
Given I have started Tails from DVD without network and logged in 7.354
And I prepare Tails for memory erasure tests 0.378
When I fill a 128 MiB file with a known pattern on the root filesystem 21.262
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.791
Then patterns cover at least 128 MiB in the guest's memory 1.536 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.516 
Pattern coverage: 0.000% (0 MiB out of 1534 MiB reference memory)
After features/support/hooks.rb:339 3.740
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:32.921
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.027
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:55.487
And I prepare Tails for memory erasure tests 0.336
When I fill a 128 MiB file with a known pattern on the persistent filesystem 16.235
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.856 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:339 3.872
After features/support/hooks.rb:108 0.051