Project Number Date
test_Tails_ISO_devel 4393 13 May 2026, 02:30

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 7:42.266 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
17.329
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 6.724
And I prepare Tails for memory erasure tests 0.408
When I start a process allocating 128 MiB of memory with a known pattern 1.174
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.048 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.170
Then I find very few patterns in the guest's memory after 5 seconds 6.803 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
After features/support/hooks.rb:335 0.936
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
18.240
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 6.457
And I prepare Tails for memory erasure tests 0.412
And I find very few patterns in the guest's memory 1.897 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.751
Then patterns cover at least 99% of the test FS size in the guest's memory 2.224 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.316
Then I find very few patterns in the guest's memory after 3 seconds 5.178 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
After features/support/hooks.rb:335 1.002
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
33.367
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 6.561
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.664
Then I find very few patterns in the guest's memory 2.044 
Pattern coverage: 0.000% (0 MiB out of 1536 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.834
Then patterns cover at least 75% of the test FS size in the guest's memory 2.166 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.733
Then I find very few patterns in the guest's memory after 3 seconds 4.867 
Pattern coverage: 0.000% (0 MiB out of 1536 MiB reference memory)
# read cache
When I mount the USB drive again 0.187
And I read the content of the test FS 0.446
Then patterns cover at least 99% of the test FS size in the guest's memory 2.006 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.467
Then I find very few patterns in the guest's memory after 3 seconds 4.991 
Pattern coverage: 0.000% (0 MiB out of 1536 MiB reference memory)
After features/support/hooks.rb:335 0.912
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
57.190
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 6.561
And I prepare Tails for memory erasure tests 0.350
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.620
Then I find very few patterns in the guest's memory 1.731 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.547
Then patterns cover at least 99% of the test FS size in the guest's memory 1.897 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.586
Then I find very few patterns in the guest's memory after 3 seconds 4.591 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
# read cache
When I mount the USB drive again 3.925
And I read the content of the test FS 0.357
Then patterns cover at least 99% of the test FS size in the guest's memory 1.869 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.459
Then I find very few patterns in the guest's memory after 3 seconds 4.691 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
After features/support/hooks.rb:335 0.642
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
1:0.592
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 6.814
And I prepare Tails for memory erasure tests 0.363
When I fill a 128 MiB file with a known pattern on the root filesystem 28.330
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.634
Then patterns cover at least 128 MiB in the guest's memory 1.738 
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 20.702 
Pattern coverage: 0.000% (0 MiB out of 1524 MiB reference memory)
After features/support/hooks.rb:335 3.561
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:35.547
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 3:57.424
And I prepare Tails for memory erasure tests 0.363
When I fill a 128 MiB file with a known pattern on the persistent filesystem 16.824
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 20.913 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:335 3.709
After features/support/hooks.rb:104 0.011