Project Number Date
test_Tails_ISO_21734-bump-snapshot-restore-timeout 1 17 Aug 2026, 19:47

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 7:28.686 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
19.906
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 6.208
And I prepare Tails for memory erasure tests 0.310
When I start a process allocating 128 MiB of memory with a known pattern 2.204
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.337 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.176
Then I find very few patterns in the guest's memory after 5 seconds 7.669 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 0.804
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.349
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.224
And I prepare Tails for memory erasure tests 0.330
And I find very few patterns in the guest's memory 2.745 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.241
Then patterns cover at least 99% of the test FS size in the guest's memory 2.928 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.374
Then I find very few patterns in the guest's memory after 3 seconds 5.505 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 0.814
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.121
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 6.208
And I prepare Tails for memory erasure tests 0.271
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.730
Then I find very few patterns in the guest's memory 2.863 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.180
Then patterns cover at least 75% of the test FS size in the guest's memory 3.173 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.580
Then I find very few patterns in the guest's memory after 3 seconds 5.481 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 0.182
And I read the content of the test FS 0.564
Then patterns cover at least 99% of the test FS size in the guest's memory 2.818 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.318
Then I find very few patterns in the guest's memory after 3 seconds 5.746 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 0.633
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:7.458
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.328
And I prepare Tails for memory erasure tests 0.296
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.226
Then I find very few patterns in the guest's memory 2.588 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.283
Then patterns cover at least 99% of the test FS size in the guest's memory 2.703 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 6.140 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 4.201
And I read the content of the test FS 0.392
Then patterns cover at least 99% of the test FS size in the guest's memory 2.779 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.460
Then I find very few patterns in the guest's memory after 3 seconds 5.543 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.800
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.976
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 6.506
And I prepare Tails for memory erasure tests 0.298
When I fill a 128 MiB file with a known pattern on the root filesystem 12.409
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.526
Then patterns cover at least 128 MiB in the guest's memory 2.236 
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 20.994 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 3.586
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:21.873
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:51.225
And I prepare Tails for memory erasure tests 0.292
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.318
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.031 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 3.407
After features/support/hooks.rb:108 0.011