Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 38 11 Jul 2026, 08:08

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 7:45.310 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
16.909
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 6.476
And I prepare Tails for memory erasure tests 0.431
When I start a process allocating 128 MiB of memory with a known pattern 1.220
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.915 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.180
Then I find very few patterns in the guest's memory after 5 seconds 6.685 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 0.785
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.193
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 6.545
And I prepare Tails for memory erasure tests 0.350
And I find very few patterns in the guest's memory 1.762 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.592
Then patterns cover at least 99% of the test FS size in the guest's memory 1.959 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.272
Then I find very few patterns in the guest's memory after 3 seconds 4.709 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 1.013
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.250
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 6.507
And I prepare Tails for memory erasure tests 0.334
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.130
Then I find very few patterns in the guest's memory 1.718 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.460
Then patterns cover at least 75% of the test FS size in the guest's memory 1.880 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.708
Then I find very few patterns in the guest's memory after 3 seconds 4.802 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# read cache
When I mount the USB drive again 0.136
And I read the content of the test FS 0.474
Then patterns cover at least 99% of the test FS size in the guest's memory 2.029 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.345
Then I find very few patterns in the guest's memory after 3 seconds 4.721 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 0.984
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
54.562
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 6.476
And I prepare Tails for memory erasure tests 0.322
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.383
Then I find very few patterns in the guest's memory 1.631 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.199
Then patterns cover at least 99% of the test FS size in the guest's memory 1.846 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.490
Then I find very few patterns in the guest's memory after 3 seconds 4.587 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 3.545
And I read the content of the test FS 0.274
Then patterns cover at least 99% of the test FS size in the guest's memory 1.804 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.375
Then I find very few patterns in the guest's memory after 3 seconds 4.623 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 0.940
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.213
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 6.502
And I prepare Tails for memory erasure tests 0.312
When I fill a 128 MiB file with a known pattern on the root filesystem 33.147
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.103
Then patterns cover at least 128 MiB in the guest's memory 1.648 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.491 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 3.919
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:41.181
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 3:51.394
And I prepare Tails for memory erasure tests 0.296
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.605
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.876 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:339 3.587
After features/support/hooks.rb:108 0.009