Project Number Date
test_Tails_ISO_devel 4654 02 Oct 2026, 11:17

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 7:55.952 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
19.753
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 6.290
And I prepare Tails for memory erasure tests 0.316
When I start a process allocating 128 MiB of memory with a known pattern 2.201
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.009 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.222
Then I find very few patterns in the guest's memory after 5 seconds 7.712 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
After features/support/hooks.rb:339 1.005
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
21.114
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 6.286
And I prepare Tails for memory erasure tests 0.321
And I find very few patterns in the guest's memory 2.875 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.511
Then patterns cover at least 99% of the test FS size in the guest's memory 3.852 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.417
Then I find very few patterns in the guest's memory after 3 seconds 5.849 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.623
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
49.786
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 18.396
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.271
Then I find very few patterns in the guest's memory 2.708 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.704
Then patterns cover at least 75% of the test FS size in the guest's memory 3.872 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.740
Then I find very few patterns in the guest's memory after 3 seconds 5.895 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
# read cache
When I mount the USB drive again 0.161
And I read the content of the test FS 0.583
Then patterns cover at least 99% of the test FS size in the guest's memory 2.972 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.397
Then I find very few patterns in the guest's memory after 3 seconds 5.676 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
After features/support/hooks.rb:339 0.948
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.007
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.661
And I prepare Tails for memory erasure tests 0.369
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.746
Then I find very few patterns in the guest's memory 2.575 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.155
Then patterns cover at least 99% of the test FS size in the guest's memory 2.967 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.480
Then I find very few patterns in the guest's memory after 3 seconds 5.743 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# read cache
When I mount the USB drive again 3.780
And I read the content of the test FS 0.310
Then patterns cover at least 99% of the test FS size in the guest's memory 2.642 
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 6.126 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.891
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
56.823
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 18.075
And I prepare Tails for memory erasure tests 0.420
When I fill a 128 MiB file with a known pattern on the root filesystem 13.686
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.697
Then patterns cover at least 128 MiB in the guest's memory 2.188 
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 20.748 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
After features/support/hooks.rb:339 3.794
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:26.467
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 3:55.042
And I prepare Tails for memory erasure tests 0.298
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.869
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.252 
Pattern coverage: 0.000% (0 MiB out of 1454 MiB reference memory)
After features/support/hooks.rb:339 3.764
After features/support/hooks.rb:108 0.010