Project Number Date
test_Tails_ISO_devel 4036 25 Oct 2025, 11:58

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 11:51.187 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
36.906
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.695
And I prepare Tails for memory erasure tests 0.497
When I start a process allocating 128 MiB of memory with a known pattern 2.393
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 10.594 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.265
Then I find very few patterns in the guest's memory after 5 seconds 14.459 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 0.993
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.021
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.715
And I prepare Tails for memory erasure tests 0.452
And I find very few patterns in the guest's memory 9.805 
Pattern coverage: 0.000% (0 MiB out of 1508 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.684
Then patterns cover at least 99% of the test FS size in the guest's memory 10.147 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.447
Then I find very few patterns in the guest's memory after 3 seconds 12.769 
Pattern coverage: 0.000% (0 MiB out of 1508 MiB reference memory)
After features/support/hooks.rb:331 0.843
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.119
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.063
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.534
Then I find very few patterns in the guest's memory 9.461 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.710
Then patterns cover at least 75% of the test FS size in the guest's memory 11.184 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.963
Then I find very few patterns in the guest's memory after 3 seconds 12.514 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# read cache
When I mount the USB drive again 0.241
And I read the content of the test FS 0.651
Then patterns cover at least 99% of the test FS size in the guest's memory 10.287 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.605
Then I find very few patterns in the guest's memory after 3 seconds 12.442 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 0.898
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:41.321
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.699
And I prepare Tails for memory erasure tests 0.488
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.347
Then I find very few patterns in the guest's memory 9.151 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.805
Then patterns cover at least 99% of the test FS size in the guest's memory 9.248 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.783
Then I find very few patterns in the guest's memory after 3 seconds 11.956 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# read cache
When I mount the USB drive again 4.771
And I read the content of the test FS 0.504
Then patterns cover at least 99% of the test FS size in the guest's memory 9.266 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.669
Then I find very few patterns in the guest's memory after 3 seconds 11.628 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 1.090
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.071
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.172
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the root filesystem 9.576
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.840
Then patterns cover at least 128 MiB in the guest's memory 6.981 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 22.060 
Pattern coverage: 0.000% (0 MiB out of 1520 MiB reference memory)
After features/support/hooks.rb:331 3.610
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:40.746
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:8.078
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.298
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 22.949 
Pattern coverage: 0.000% (0 MiB out of 1543 MiB reference memory)
After features/support/hooks.rb:331 3.736
After features/support/hooks.rb:100 0.012