Project Number Date
test_Tails_ISO_stable 6100 29 Jan 2026, 12:08

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 7:15.645 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
18.285
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.511
And I prepare Tails for memory erasure tests 0.618
When I start a process allocating 128 MiB of memory with a known pattern 2.226
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.898 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.210
Then I find very few patterns in the guest's memory after 5 seconds 6.819 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:331 1.124
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.769
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.811
And I prepare Tails for memory erasure tests 0.655
And I find very few patterns in the guest's memory 1.678 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.136
Then patterns cover at least 99% of the test FS size in the guest's memory 1.917 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.735
Then I find very few patterns in the guest's memory after 3 seconds 4.834 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 1.074
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.196
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.524
And I prepare Tails for memory erasure tests 0.597
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.057
Then I find very few patterns in the guest's memory 1.707 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.854
Then patterns cover at least 75% of the test FS size in the guest's memory 2.004 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.269
Then I find very few patterns in the guest's memory after 3 seconds 4.749 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# read cache
When I mount the USB drive again 0.149
And I read the content of the test FS 0.400
Then patterns cover at least 99% of the test FS size in the guest's memory 1.825 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.247
Then I find very few patterns in the guest's memory after 3 seconds 4.806 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 1.082
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:9.197
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.689
And I prepare Tails for memory erasure tests 0.678
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.130
Then I find very few patterns in the guest's memory 1.733 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.633
Then patterns cover at least 99% of the test FS size in the guest's memory 1.781 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.575
Then I find very few patterns in the guest's memory after 3 seconds 4.662 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# read cache
When I mount the USB drive again 10.046
And I read the content of the test FS 0.283
Then patterns cover at least 99% of the test FS size in the guest's memory 1.830 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.447
Then I find very few patterns in the guest's memory after 3 seconds 4.703 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 0.831
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.163
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.602
And I prepare Tails for memory erasure tests 0.678
When I fill a 128 MiB file with a known pattern on the root filesystem 13.434
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.525
Then patterns cover at least 128 MiB in the guest's memory 1.444 
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 20.472 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 3.396
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:11.033
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:39.589
And I prepare Tails for memory erasure tests 0.301
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.225
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.913 
Pattern coverage: 0.000% (0 MiB out of 1513 MiB reference memory)
After features/support/hooks.rb:331 3.679
After features/support/hooks.rb:100 0.034