Project Number Date
test_Tails_ISO_stable 6332 29 Apr 2026, 11:28

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 6:56.574 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
17.464
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.720
And I prepare Tails for memory erasure tests 0.414
When I start a process allocating 128 MiB of memory with a known pattern 1.172
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.099 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.207
Then I find very few patterns in the guest's memory after 5 seconds 6.850 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 0.743
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.279
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.667
And I prepare Tails for memory erasure tests 0.372
And I find very few patterns in the guest's memory 1.731 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.496
Then patterns cover at least 99% of the test FS size in the guest's memory 1.962 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.308
Then I find very few patterns in the guest's memory after 3 seconds 4.740 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 0.965
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.312
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 6.614
And I prepare Tails for memory erasure tests 0.354
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.110
Then I find very few patterns in the guest's memory 1.774 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.069
Then patterns cover at least 75% of the test FS size in the guest's memory 2.127 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.759
Then I find very few patterns in the guest's memory after 3 seconds 4.870 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.159
And I read the content of the test FS 0.428
Then patterns cover at least 99% of the test FS size in the guest's memory 1.956 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.341
Then I find very few patterns in the guest's memory after 3 seconds 4.743 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:331 0.964
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.318
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 6.717
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.456
Then I find very few patterns in the guest's memory 1.911 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.174
Then patterns cover at least 99% of the test FS size in the guest's memory 1.908 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.542
Then I find very few patterns in the guest's memory after 3 seconds 4.891 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 4.044
And I read the content of the test FS 0.327
Then patterns cover at least 99% of the test FS size in the guest's memory 1.934 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.423
Then I find very few patterns in the guest's memory after 3 seconds 4.591 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 0.956
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.888
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 6.588
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the root filesystem 11.976
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.869
Then patterns cover at least 128 MiB in the guest's memory 1.501 
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 20.503 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 3.671
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:9.310
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 3:37.856
And I prepare Tails for memory erasure tests 0.332
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.186
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.928 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 3.410
After features/support/hooks.rb:100 0.009