Project Number Date
test_Tails_ISO_21736-reject-unsupported-installs 23 27 Oct 2026, 06:00

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 7:21.913 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
20.183
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 6.276
And I prepare Tails for memory erasure tests 0.278
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 3.116 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.711
Then I find very few patterns in the guest's memory after 5 seconds 7.600 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 1.007
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
23.860
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 6.274
And I prepare Tails for memory erasure tests 0.284
And I find very few patterns in the guest's memory 2.777 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.472
Then patterns cover at least 99% of the test FS size in the guest's memory 4.215 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.372
Then I find very few patterns in the guest's memory after 3 seconds 8.463 
Pattern coverage: 0.000% (0 MiB out of 1406 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
41.888
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 6.280
And I prepare Tails for memory erasure tests 0.291
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.142
Then I find very few patterns in the guest's memory 4.995 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.784
Then patterns cover at least 75% of the test FS size in the guest's memory 4.441 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.722
Then I find very few patterns in the guest's memory after 3 seconds 6.010 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# read cache
When I mount the USB drive again 0.169
And I read the content of the test FS 0.532
Then patterns cover at least 99% of the test FS size in the guest's memory 3.468 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.429
Then I find very few patterns in the guest's memory after 3 seconds 6.617 
Pattern coverage: 0.000% (0 MiB out of 1407 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
1:0.246
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 6.201
And I prepare Tails for memory erasure tests 0.278
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.407
Then I find very few patterns in the guest's memory 2.842 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.246
Then patterns cover at least 99% of the test FS size in the guest's memory 2.602 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.509
Then I find very few patterns in the guest's memory after 3 seconds 5.353 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
# read cache
When I mount the USB drive again 3.664
And I read the content of the test FS 0.359
Then patterns cover at least 99% of the test FS size in the guest's memory 2.792 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.408
Then I find very few patterns in the guest's memory after 3 seconds 5.580 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 1.018
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.433
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 6.136
And I prepare Tails for memory erasure tests 0.312
When I fill a 128 MiB file with a known pattern on the root filesystem 13.532
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.582
Then patterns cover at least 128 MiB in the guest's memory 2.126 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.736 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 3.578
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:11.301
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 3:39.822
And I prepare Tails for memory erasure tests 0.243
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.179
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.050 
Pattern coverage: 0.000% (0 MiB out of 1441 MiB reference memory)
After features/support/hooks.rb:339 3.371
After features/support/hooks.rb:108 0.009