Project Number Date
test_Tails_ISO_stable 6611 27 Aug 2026, 11:36

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 7:44.940 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
19.811
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 6.204
And I prepare Tails for memory erasure tests 0.286
When I start a process allocating 128 MiB of memory with a known pattern 2.259
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.047 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.240
Then I find very few patterns in the guest's memory after 5 seconds 7.772 
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
24.309
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 6.293
And I prepare Tails for memory erasure tests 0.303
And I find very few patterns in the guest's memory 2.994 
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 1.661
Then patterns cover at least 99% of the test FS size in the guest's memory 3.765 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.464
Then I find very few patterns in the guest's memory after 3 seconds 8.825 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 0.911
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
49.449
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 6.530
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.458
Then I find very few patterns in the guest's memory 4.918 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.544
Then patterns cover at least 75% of the test FS size in the guest's memory 7.307 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.683
Then I find very few patterns in the guest's memory after 3 seconds 7.712 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# read cache
When I mount the USB drive again 0.182
And I read the content of the test FS 0.657
Then patterns cover at least 99% of the test FS size in the guest's memory 4.940 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.510
Then I find very few patterns in the guest's memory after 3 seconds 7.584 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 0.855
After features/support/hooks.rb:108 0.005
Tags: @product @slow @not_release_blocker
1:0.773
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 6.220
And I prepare Tails for memory erasure tests 0.280
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.365
Then I find very few patterns in the guest's memory 2.904 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.362
Then patterns cover at least 99% of the test FS size in the guest's memory 2.697 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.499
Then I find very few patterns in the guest's memory after 3 seconds 5.324 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# read cache
When I mount the USB drive again 3.951
And I read the content of the test FS 0.299
Then patterns cover at least 99% of the test FS size in the guest's memory 2.894 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 5.552 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.946
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.472
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 6.212
And I prepare Tails for memory erasure tests 0.308
When I fill a 128 MiB file with a known pattern on the root filesystem 12.691
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.413
Then patterns cover at least 128 MiB in the guest's memory 2.052 
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 20.788 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 3.545
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:27.124
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 3:54.794
And I prepare Tails for memory erasure tests 0.220
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.892
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.211 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:339 3.607
After features/support/hooks.rb:108 0.009