Project Number Date
test_Tails_ISO_devel 4617 14 Sep 2026, 18:42

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 7:40.623 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
20.661
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 6.459
And I prepare Tails for memory erasure tests 0.460
When I start a process allocating 128 MiB of memory with a known pattern 2.304
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.359 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.267
Then I find very few patterns in the guest's memory after 5 seconds 7.810 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
After features/support/hooks.rb:339 0.600
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.648
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.445
And I prepare Tails for memory erasure tests 0.402
And I find very few patterns in the guest's memory 2.918 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.576
Then patterns cover at least 99% of the test FS size in the guest's memory 3.122 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.338
Then I find very few patterns in the guest's memory after 3 seconds 5.845 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 0.600
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.454
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 6.602
And I prepare Tails for memory erasure tests 0.539
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.915
Then I find very few patterns in the guest's memory 3.096 
Pattern coverage: 0.000% (0 MiB out of 1392 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.492
Then patterns cover at least 75% of the test FS size in the guest's memory 3.132 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.802
Then I find very few patterns in the guest's memory after 3 seconds 5.746 
Pattern coverage: 0.000% (0 MiB out of 1392 MiB reference memory)
# read cache
When I mount the USB drive again 0.217
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 3.058 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.431
Then I find very few patterns in the guest's memory after 3 seconds 5.832 
Pattern coverage: 0.000% (0 MiB out of 1392 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
1:5.122
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 6.296
And I prepare Tails for memory erasure tests 0.316
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.624
Then I find very few patterns in the guest's memory 2.621 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.134
Then patterns cover at least 99% of the test FS size in the guest's memory 3.110 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.544
Then I find very few patterns in the guest's memory after 3 seconds 5.855 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# read cache
When I mount the USB drive again 4.166
And I read the content of the test FS 0.503
Then patterns cover at least 99% of the test FS size in the guest's memory 2.879 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.430
Then I find very few patterns in the guest's memory after 3 seconds 5.637 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.720
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.216
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.009
Given I have started Tails from DVD without network and logged in 6.795
And I prepare Tails for memory erasure tests 0.344
When I fill a 128 MiB file with a known pattern on the root filesystem 12.690
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.676
Then patterns cover at least 128 MiB in the guest's memory 2.763 
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 20.940 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
After features/support/hooks.rb:339 3.568
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:30.519
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 3:59.869
And I prepare Tails for memory erasure tests 0.375
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.107
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.162 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 3.704
After features/support/hooks.rb:108 0.010