Project Number Date
test_Tails_ISO_21810-tca-vs-empty-bridge-strings 3 06 Oct 2026, 22:15

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 7:49.731 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
20.538
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.805
And I prepare Tails for memory erasure tests 0.310
When I start a process allocating 128 MiB of memory with a known pattern 2.198
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.227 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.194
Then I find very few patterns in the guest's memory after 5 seconds 7.801 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 0.823
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.746
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.425
And I prepare Tails for memory erasure tests 0.338
And I find very few patterns in the guest's memory 2.839 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.583
Then patterns cover at least 99% of the test FS size in the guest's memory 3.322 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.396
Then I find very few patterns in the guest's memory after 3 seconds 5.841 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 1.067
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.339
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.442
And I prepare Tails for memory erasure tests 0.297
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.479
Then I find very few patterns in the guest's memory 2.726 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.876
Then patterns cover at least 75% of the test FS size in the guest's memory 3.179 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.776
Then I find very few patterns in the guest's memory after 3 seconds 6.133 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
# read cache
When I mount the USB drive again 0.172
And I read the content of the test FS 0.666
Then patterns cover at least 99% of the test FS size in the guest's memory 3.252 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.401
Then I find very few patterns in the guest's memory after 3 seconds 5.932 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
After features/support/hooks.rb:339 0.867
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.150
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.569
And I prepare Tails for memory erasure tests 0.359
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.506
Then I find very few patterns in the guest's memory 2.670 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.233
Then patterns cover at least 99% of the test FS size in the guest's memory 3.047 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.591
Then I find very few patterns in the guest's memory after 3 seconds 5.663 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# read cache
When I mount the USB drive again 4.715
And I read the content of the test FS 0.346
Then patterns cover at least 99% of the test FS size in the guest's memory 2.725 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.389
Then I find very few patterns in the guest's memory after 3 seconds 5.333 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.693
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.105
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.520
And I prepare Tails for memory erasure tests 0.534
When I fill a 128 MiB file with a known pattern on the root filesystem 13.278
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.746
Then patterns cover at least 128 MiB in the guest's memory 2.233 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.784 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 3.459
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:41.851
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:9.773
And I prepare Tails for memory erasure tests 0.272
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.191
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.609 
Pattern coverage: 0.000% (0 MiB out of 1444 MiB reference memory)
After features/support/hooks.rb:339 3.843
After features/support/hooks.rb:108 0.011