Project Number Date
test_Tails_ISO_stable 6396 21 May 2026, 11:53

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 8:0.063 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
17.958
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.827
And I prepare Tails for memory erasure tests 0.404
When I start a process allocating 128 MiB of memory with a known pattern 1.205
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.372 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.218
Then I find very few patterns in the guest's memory after 5 seconds 6.928 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:335 0.854
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
18.392
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.776
And I prepare Tails for memory erasure tests 0.378
And I find very few patterns in the guest's memory 1.759 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.709
Then patterns cover at least 99% of the test FS size in the guest's memory 2.139 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.290
Then I find very few patterns in the guest's memory after 3 seconds 5.338 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:335 0.931
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.386
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.542
And I prepare Tails for memory erasure tests 0.321
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.119
Then I find very few patterns in the guest's memory 1.870 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.735
Then patterns cover at least 75% of the test FS size in the guest's memory 2.255 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.751
Then I find very few patterns in the guest's memory after 3 seconds 4.910 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# read cache
When I mount the USB drive again 0.160
And I read the content of the test FS 0.440
Then patterns cover at least 99% of the test FS size in the guest's memory 1.926 
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 5.006 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:335 0.879
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
1:0.410
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 7.082
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.624
Then I find very few patterns in the guest's memory 1.909 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.588
Then patterns cover at least 99% of the test FS size in the guest's memory 2.462 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.613
Then I find very few patterns in the guest's memory after 3 seconds 4.749 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# read cache
When I mount the USB drive again 3.621
And I read the content of the test FS 0.335
Then patterns cover at least 99% of the test FS size in the guest's memory 1.870 
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 4.699 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:335 0.979
After features/support/hooks.rb:104 0.003
Tags: @product @slow @not_release_blocker
52.800
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.012
Given I have started Tails from DVD without network and logged in 7.033
And I prepare Tails for memory erasure tests 0.431
When I fill a 128 MiB file with a known pattern on the root filesystem 21.461
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.866
Then patterns cover at least 128 MiB in the guest's memory 1.454 
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 20.548 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:335 3.818
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:58.116
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:17.689
And I prepare Tails for memory erasure tests 0.306
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.172
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.939 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:335 3.715
After features/support/hooks.rb:104 0.011