Project Number Date
test_Tails_ISO_21734-bump-snapshot-restore-timeout 2 18 Aug 2026, 12:43

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 15:0.700 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
17.379
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 3.172
And I prepare Tails for memory erasure tests 0.334
When I start a process allocating 128 MiB of memory with a known pattern 2.199
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.635 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.222
Then I find very few patterns in the guest's memory after 5 seconds 7.816 
Pattern coverage: 0.000% (0 MiB out of 1448 MiB reference memory)
After features/support/hooks.rb:339 0.888
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
16.718
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails from DVD without network and logged in 3.220
And I prepare Tails for memory erasure tests 0.370
And I find very few patterns in the guest's memory 2.735 
Pattern coverage: 0.000% (0 MiB out of 1449 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.345
Then patterns cover at least 99% of the test FS size in the guest's memory 2.861 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.387
Then I find very few patterns in the guest's memory after 3 seconds 5.797 
Pattern coverage: 0.000% (0 MiB out of 1449 MiB reference memory)
After features/support/hooks.rb:339 1.000
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.390
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 3.316
And I prepare Tails for memory erasure tests 0.361
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.085
Then I find very few patterns in the guest's memory 2.633 
Pattern coverage: 0.000% (0 MiB out of 1453 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.965
Then patterns cover at least 75% of the test FS size in the guest's memory 3.395 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.785
Then I find very few patterns in the guest's memory after 3 seconds 5.727 
Pattern coverage: 0.000% (0 MiB out of 1453 MiB reference memory)
# read cache
When I mount the USB drive again 0.218
And I read the content of the test FS 0.626
Then patterns cover at least 99% of the test FS size in the guest's memory 3.023 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.418
Then I find very few patterns in the guest's memory after 3 seconds 5.833 
Pattern coverage: 0.000% (0 MiB out of 1453 MiB reference memory)
After features/support/hooks.rb:339 0.826
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.594
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 3.638
And I prepare Tails for memory erasure tests 0.340
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.763
Then I find very few patterns in the guest's memory 2.543 
Pattern coverage: 0.000% (0 MiB out of 1454 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.047
Then patterns cover at least 99% of the test FS size in the guest's memory 2.939 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.690
Then I find very few patterns in the guest's memory after 3 seconds 5.717 
Pattern coverage: 0.000% (0 MiB out of 1454 MiB reference memory)
# read cache
When I mount the USB drive again 4.541
And I read the content of the test FS 0.376
Then patterns cover at least 99% of the test FS size in the guest's memory 2.832 
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 5.743 
Pattern coverage: 0.000% (0 MiB out of 1454 MiB reference memory)
After features/support/hooks.rb:339 0.728
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
40.478
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 3.329
And I prepare Tails for memory erasure tests 0.293
When I fill a 128 MiB file with a known pattern on the root filesystem 12.138
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.465
Then patterns cover at least 128 MiB in the guest's memory 2.346 
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 20.897 
Pattern coverage: 0.000% (0 MiB out of 1448 MiB reference memory)
After features/support/hooks.rb:339 3.542
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
12:9.137
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 11:36.133
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.589
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.975 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:339 3.733
After features/support/hooks.rb:108 0.020