Project Number Date
test_Tails_ISO_stable 6604 24 Aug 2026, 12:53

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 7:35.942 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
31.221
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 17.939
And I prepare Tails for memory erasure tests 0.367
When I start a process allocating 128 MiB of memory with a known pattern 2.189
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.767 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.248
Then I find very few patterns in the guest's memory after 5 seconds 7.709 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 0.943
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.964
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 6.255
And I prepare Tails for memory erasure tests 0.280
And I find very few patterns in the guest's memory 2.753 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.415
Then patterns cover at least 99% of the test FS size in the guest's memory 2.914 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.364
Then I find very few patterns in the guest's memory after 3 seconds 5.978 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 0.787
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
47.902
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 18.000
And I prepare Tails for memory erasure tests 0.318
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.321
Then I find very few patterns in the guest's memory 2.634 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.569
Then patterns cover at least 75% of the test FS size in the guest's memory 2.998 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.668
Then I find very few patterns in the guest's memory after 3 seconds 5.676 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 0.204
And I read the content of the test FS 0.630
Then patterns cover at least 99% of the test FS size in the guest's memory 2.772 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.462
Then I find very few patterns in the guest's memory after 3 seconds 5.643 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.837
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.101
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 6.205
And I prepare Tails for memory erasure tests 0.320
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.759
Then I find very few patterns in the guest's memory 2.502 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.276
Then patterns cover at least 99% of the test FS size in the guest's memory 2.778 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.513
Then I find very few patterns in the guest's memory after 3 seconds 5.553 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 4.260
And I read the content of the test FS 0.361
Then patterns cover at least 99% of the test FS size in the guest's memory 2.637 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.456
Then I find very few patterns in the guest's memory after 3 seconds 5.476 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.636
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.092
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 6.268
And I prepare Tails for memory erasure tests 0.396
When I fill a 128 MiB file with a known pattern on the root filesystem 12.999
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.465
Then patterns cover at least 128 MiB in the guest's memory 2.250 
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 20.706 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 3.453
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:9.660
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 3:38.525
And I prepare Tails for memory erasure tests 0.267
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.874
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.985 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:339 3.539
After features/support/hooks.rb:108 0.009