Project Number Date
test_Tails_ISO_stable 6663 14 Sep 2026, 11:41

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 7:34.207 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
19.503
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 6.249
And I prepare Tails for memory erasure tests 0.311
When I start a process allocating 128 MiB of memory with a known pattern 2.169
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.801 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.200
Then I find very few patterns in the guest's memory after 5 seconds 7.771 
Pattern coverage: 0.000% (0 MiB out of 1392 MiB reference memory)
After features/support/hooks.rb:339 0.685
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.740
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 6.431
And I prepare Tails for memory erasure tests 0.319
And I find very few patterns in the guest's memory 2.739 
Pattern coverage: 0.000% (0 MiB out of 1390 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.355
Then patterns cover at least 99% of the test FS size in the guest's memory 2.881 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.369
Then I find very few patterns in the guest's memory after 3 seconds 5.642 
Pattern coverage: 0.000% (0 MiB out of 1390 MiB reference memory)
After features/support/hooks.rb:339 0.973
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.557
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 6.291
And I prepare Tails for memory erasure tests 0.323
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.242
Then I find very few patterns in the guest's memory 2.708 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.740
Then patterns cover at least 75% of the test FS size in the guest's memory 3.031 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.652
Then I find very few patterns in the guest's memory after 3 seconds 5.892 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
# read cache
When I mount the USB drive again 0.177
And I read the content of the test FS 0.578
Then patterns cover at least 99% of the test FS size in the guest's memory 2.832 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.411
Then I find very few patterns in the guest's memory after 3 seconds 5.672 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
After features/support/hooks.rb:339 0.641
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.066
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 6.239
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.193
Then I find very few patterns in the guest's memory 2.596 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.144
Then patterns cover at least 99% of the test FS size in the guest's memory 2.683 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.441
Then I find very few patterns in the guest's memory after 3 seconds 5.465 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
# read cache
When I mount the USB drive again 3.773
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 2.837 
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 5.428 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
After features/support/hooks.rb:339 0.706
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.418
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 18.128
And I prepare Tails for memory erasure tests 0.353
When I fill a 128 MiB file with a known pattern on the root filesystem 12.440
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.421
Then patterns cover at least 128 MiB in the guest's memory 2.275 
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 20.795 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
After features/support/hooks.rb:339 3.586
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:21.920
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 3:50.594
And I prepare Tails for memory erasure tests 0.252
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.910
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.158 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 3.784
After features/support/hooks.rb:108 0.027