Project Number Date
test_Tails_ISO_21734-bump-snapshot-restore-timeout 4 18 Aug 2026, 20:26

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 13:6.536 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
16.863
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 3.799
And I prepare Tails for memory erasure tests 0.329
When I start a process allocating 128 MiB of memory with a known pattern 2.242
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.746 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.242
Then I find very few patterns in the guest's memory after 5 seconds 7.502 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 1.011
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.294
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 3.506
And I prepare Tails for memory erasure tests 0.354
And I find very few patterns in the guest's memory 2.999 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.468
Then patterns cover at least 99% of the test FS size in the guest's memory 2.962 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.391
Then I find very few patterns in the guest's memory after 3 seconds 5.611 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 0.929
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.195
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 3.678
And I prepare Tails for memory erasure tests 0.294
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.739
Then I find very few patterns in the guest's memory 3.095 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.985
Then patterns cover at least 75% of the test FS size in the guest's memory 4.479 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.746
Then I find very few patterns in the guest's memory after 3 seconds 6.657 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# read cache
When I mount the USB drive again 0.181
And I read the content of the test FS 0.625
Then patterns cover at least 99% of the test FS size in the guest's memory 4.030 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.512
Then I find very few patterns in the guest's memory after 3 seconds 6.168 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 1.099
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.547
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 3.870
And I prepare Tails for memory erasure tests 0.346
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.722
Then I find very few patterns in the guest's memory 3.187 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.393
Then patterns cover at least 99% of the test FS size in the guest's memory 2.901 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.655
Then I find very few patterns in the guest's memory after 3 seconds 5.570 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# read cache
When I mount the USB drive again 4.372
And I read the content of the test FS 0.322
Then patterns cover at least 99% of the test FS size in the guest's memory 3.021 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.446
Then I find very few patterns in the guest's memory after 3 seconds 5.736 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:339 0.903
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
42.794
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 3.809
And I prepare Tails for memory erasure tests 0.363
When I fill a 128 MiB file with a known pattern on the root filesystem 12.622
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.578
Then patterns cover at least 128 MiB in the guest's memory 3.595 
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 20.817 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
After features/support/hooks.rb:339 3.808
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
10:4.840
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 9:32.492
And I prepare Tails for memory erasure tests 0.438
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.908
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.994 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:339 3.529
After features/support/hooks.rb:108 0.009