Project Number Date
test_Tails_ISO_devel 4640 28 Sep 2026, 16:28

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 7:26.481 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
19.707
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 6.325
And I prepare Tails for memory erasure tests 0.362
When I start a process allocating 128 MiB of memory with a known pattern 2.185
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.975 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.231
Then I find very few patterns in the guest's memory after 5 seconds 7.628 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 1.006
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
21.368
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 6.260
And I prepare Tails for memory erasure tests 0.402
And I find very few patterns in the guest's memory 2.714 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.445
Then patterns cover at least 99% of the test FS size in the guest's memory 3.024 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.375
Then I find very few patterns in the guest's memory after 3 seconds 7.145 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 0.876
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.691
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.007
Given I have started Tails from DVD without network and logged in 6.611
And I prepare Tails for memory erasure tests 0.341
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.327
Then I find very few patterns in the guest's memory 2.750 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.548
Then patterns cover at least 75% of the test FS size in the guest's memory 3.448 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.769
Then I find very few patterns in the guest's memory after 3 seconds 5.942 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# read cache
When I mount the USB drive again 0.268
And I read the content of the test FS 0.722
Then patterns cover at least 99% of the test FS size in the guest's memory 3.190 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.363
Then I find very few patterns in the guest's memory after 3 seconds 7.406 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.922
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.804
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 7.069
And I prepare Tails for memory erasure tests 0.273
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.155
Then I find very few patterns in the guest's memory 2.576 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.233
Then patterns cover at least 99% of the test FS size in the guest's memory 3.034 
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 5.582 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 3.519
And I read the content of the test FS 0.382
Then patterns cover at least 99% of the test FS size in the guest's memory 2.701 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.756
Then I find very few patterns in the guest's memory after 3 seconds 6.011 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.970
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.676
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 6.263
And I prepare Tails for memory erasure tests 0.342
When I fill a 128 MiB file with a known pattern on the root filesystem 13.360
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.670
Then patterns cover at least 128 MiB in the guest's memory 2.215 
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 20.819 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 3.347
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:17.232
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 3:46.328
And I prepare Tails for memory erasure tests 0.255
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.517
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.125 
Pattern coverage: 0.000% (0 MiB out of 1389 MiB reference memory)
After features/support/hooks.rb:339 3.462
After features/support/hooks.rb:108 0.058