Project Number Date
test_Tails_ISO_devel 4390 11 May 2026, 19:45

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 7:50.212 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
18.180
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 6.803
And I prepare Tails for memory erasure tests 0.473
When I start a process allocating 128 MiB of memory with a known pattern 1.167
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.239 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.559
Then I find very few patterns in the guest's memory after 5 seconds 6.936 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:331 1.149
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.940
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 7.426
And I prepare Tails for memory erasure tests 0.482
And I find very few patterns in the guest's memory 1.868 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.789
Then patterns cover at least 99% of the test FS size in the guest's memory 2.012 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.392
Then I find very few patterns in the guest's memory after 3 seconds 4.967 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:331 0.953
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.610
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 7.240
And I prepare Tails for memory erasure tests 0.534
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.347
Then I find very few patterns in the guest's memory 1.781 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.650
Then patterns cover at least 75% of the test FS size in the guest's memory 2.145 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.898
Then I find very few patterns in the guest's memory after 3 seconds 4.897 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# read cache
When I mount the USB drive again 0.177
And I read the content of the test FS 0.508
Then patterns cover at least 99% of the test FS size in the guest's memory 2.259 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 4.726 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:331 0.720
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.530
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 6.706
And I prepare Tails for memory erasure tests 0.512
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.059
Then I find very few patterns in the guest's memory 1.750 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.419
Then patterns cover at least 99% of the test FS size in the guest's memory 1.878 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.550
Then I find very few patterns in the guest's memory after 3 seconds 5.288 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 4.720
And I read the content of the test FS 0.368
Then patterns cover at least 99% of the test FS size in the guest's memory 2.043 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.552
Then I find very few patterns in the guest's memory after 3 seconds 4.677 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 0.812
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.190
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 7.060
And I prepare Tails for memory erasure tests 0.552
When I fill a 128 MiB file with a known pattern on the root filesystem 25.143
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.244
Then patterns cover at least 128 MiB in the guest's memory 1.622 
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 20.560 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 3.376
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:41.760
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:59.743
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.576
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.025 
Pattern coverage: 0.000% (0 MiB out of 1530 MiB reference memory)
After features/support/hooks.rb:331 3.591
After features/support/hooks.rb:100 0.012