Project Number Date
test_Tails_ISO_21810-tca-vs-empty-bridge-strings 7 10 Oct 2026, 21:45

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 7:25.068 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
19.583
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 6.262
And I prepare Tails for memory erasure tests 0.308
When I start a process allocating 128 MiB of memory with a known pattern 2.201
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.896 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.185
Then I find very few patterns in the guest's memory after 5 seconds 7.729 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.846
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.910
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 6.275
And I prepare Tails for memory erasure tests 0.310
And I find very few patterns in the guest's memory 2.781 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.576
Then patterns cover at least 99% of the test FS size in the guest's memory 3.751 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.471
Then I find very few patterns in the guest's memory after 3 seconds 5.744 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
After features/support/hooks.rb:339 0.838
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.239
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 6.320
And I prepare Tails for memory erasure tests 0.382
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 2.751 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.777
Then patterns cover at least 75% of the test FS size in the guest's memory 3.076 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.674
Then I find very few patterns in the guest's memory after 3 seconds 5.650 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
# read cache
When I mount the USB drive again 0.178
And I read the content of the test FS 0.575
Then patterns cover at least 99% of the test FS size in the guest's memory 3.059 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.559
Then I find very few patterns in the guest's memory after 3 seconds 5.857 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 0.951
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.795
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 6.331
And I prepare Tails for memory erasure tests 0.308
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.498
Then I find very few patterns in the guest's memory 2.696 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.281
Then patterns cover at least 99% of the test FS size in the guest's memory 2.658 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.525
Then I find very few patterns in the guest's memory after 3 seconds 5.686 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# read cache
When I mount the USB drive again 4.512
And I read the content of the test FS 0.304
Then patterns cover at least 99% of the test FS size in the guest's memory 2.926 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 5.643 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 0.917
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.777
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 6.315
And I prepare Tails for memory erasure tests 0.322
When I fill a 128 MiB file with a known pattern on the root filesystem 12.698
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.519
Then patterns cover at least 128 MiB in the guest's memory 2.184 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.731 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 3.761
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:19.761
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:49.050
And I prepare Tails for memory erasure tests 0.318
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.305
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.082 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:339 3.501
After features/support/hooks.rb:108 0.009