Project Number Date
test_Tails_ISO_devel 4631 21 Sep 2026, 11:17

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 7:58.250 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
20.147
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 6.431
And I prepare Tails for memory erasure tests 0.315
When I start a process allocating 128 MiB of memory with a known pattern 2.190
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.874 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.612
Then I find very few patterns in the guest's memory after 5 seconds 7.723 
Pattern coverage: 0.000% (0 MiB out of 1377 MiB reference memory)
After features/support/hooks.rb:339 0.543
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.631
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 6.304
And I prepare Tails for memory erasure tests 0.323
And I find very few patterns in the guest's memory 3.099 
Pattern coverage: 0.000% (0 MiB out of 1374 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.570
Then patterns cover at least 99% of the test FS size in the guest's memory 3.096 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.546
Then I find very few patterns in the guest's memory after 3 seconds 5.690 
Pattern coverage: 0.000% (0 MiB out of 1374 MiB reference memory)
After features/support/hooks.rb:339 0.530
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.284
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 6.390
And I prepare Tails for memory erasure tests 0.318
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.563
Then I find very few patterns in the guest's memory 3.084 
Pattern coverage: 0.000% (0 MiB out of 1373 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.763
Then patterns cover at least 75% of the test FS size in the guest's memory 3.116 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.717
Then I find very few patterns in the guest's memory after 3 seconds 5.742 
Pattern coverage: 0.000% (0 MiB out of 1373 MiB reference memory)
# read cache
When I mount the USB drive again 0.276
And I read the content of the test FS 0.792
Then patterns cover at least 99% of the test FS size in the guest's memory 3.040 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.398
Then I find very few patterns in the guest's memory after 3 seconds 6.081 
Pattern coverage: 0.000% (0 MiB out of 1373 MiB reference memory)
After features/support/hooks.rb:339 0.869
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:6.852
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 6.211
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" 34.775
Then I find very few patterns in the guest's memory 2.511 
Pattern coverage: 0.000% (0 MiB out of 1367 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.271
Then patterns cover at least 99% of the test FS size in the guest's memory 2.854 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.438
Then I find very few patterns in the guest's memory after 3 seconds 5.550 
Pattern coverage: 0.000% (0 MiB out of 1367 MiB reference memory)
# read cache
When I mount the USB drive again 4.060
And I read the content of the test FS 0.328
Then patterns cover at least 99% of the test FS size in the guest's memory 2.823 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.402
Then I find very few patterns in the guest's memory after 3 seconds 5.275 
Pattern coverage: 0.000% (0 MiB out of 1367 MiB reference memory)
After features/support/hooks.rb:339 0.872
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
56.159
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 18.144
And I prepare Tails for memory erasure tests 0.286
When I fill a 128 MiB file with a known pattern on the root filesystem 13.063
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.722
Then patterns cover at least 128 MiB in the guest's memory 2.178 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.758 
Pattern coverage: 0.000% (0 MiB out of 1373 MiB reference memory)
After features/support/hooks.rb:339 3.391
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:36.174
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:4.902
And I prepare Tails for memory erasure tests 0.301
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.865
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.098 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
After features/support/hooks.rb:339 3.524
After features/support/hooks.rb:108 0.009