Project Number Date
test_Tails_ISO_devel 4246 23 Feb 2026, 12:10

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 7:44.743 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
18.594
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 6.745
And I prepare Tails for memory erasure tests 0.369
When I start a process allocating 128 MiB of memory with a known pattern 2.262
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.999 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.303
Then I find very few patterns in the guest's memory after 5 seconds 6.913 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 0.645
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.345
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 6.732
And I prepare Tails for memory erasure tests 0.426
And I find very few patterns in the guest's memory 1.745 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.413
Then patterns cover at least 99% of the test FS size in the guest's memory 2.183 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.858
Then I find very few patterns in the guest's memory after 3 seconds 4.986 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 1.100
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.928
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 6.796
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.301
Then I find very few patterns in the guest's memory 1.860 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.726
Then patterns cover at least 75% of the test FS size in the guest's memory 2.221 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.182
Then I find very few patterns in the guest's memory after 3 seconds 4.872 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 0.148
And I read the content of the test FS 0.410
Then patterns cover at least 99% of the test FS size in the guest's memory 1.918 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.252
Then I find very few patterns in the guest's memory after 3 seconds 4.809 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 1.217
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.145
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 7.156
And I prepare Tails for memory erasure tests 0.372
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.264
Then I find very few patterns in the guest's memory 1.951 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.687
Then patterns cover at least 99% of the test FS size in the guest's memory 2.084 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.571
Then I find very few patterns in the guest's memory after 3 seconds 4.834 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 13.700
And I read the content of the test FS 0.350
Then patterns cover at least 99% of the test FS size in the guest's memory 2.010 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.438
Then I find very few patterns in the guest's memory after 3 seconds 4.721 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 0.860
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.485
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 6.686
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the root filesystem 14.127
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.033
Then patterns cover at least 128 MiB in the guest's memory 1.528 
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 20.658 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 3.816
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:36.244
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:4.540
And I prepare Tails for memory erasure tests 0.338
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.210
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.150 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 3.507
After features/support/hooks.rb:100 0.010