Project Number Date
test_Tails_ISO_devel 4213 05 Feb 2026, 15:15

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 7:48.061 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
19.441
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 7.458
And I prepare Tails for memory erasure tests 0.327
When I start a process allocating 128 MiB of memory with a known pattern 2.318
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.187 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.288
Then I find very few patterns in the guest's memory after 5 seconds 6.860 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 1.073
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
21.045
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 7.283
And I prepare Tails for memory erasure tests 0.382
And I find very few patterns in the guest's memory 1.868 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.743
Then patterns cover at least 99% of the test FS size in the guest's memory 2.624 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.004
Then I find very few patterns in the guest's memory after 3 seconds 5.138 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 0.849
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
37.225
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 7.285
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.713
Then I find very few patterns in the guest's memory 2.147 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.576
Then patterns cover at least 75% of the test FS size in the guest's memory 2.291 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.332
Then I find very few patterns in the guest's memory after 3 seconds 4.983 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 0.201
And I read the content of the test FS 0.471
Then patterns cover at least 99% of the test FS size in the guest's memory 2.362 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.379
Then I find very few patterns in the guest's memory after 3 seconds 5.048 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 1.279
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.941
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 7.407
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 25.620
Then I find very few patterns in the guest's memory 1.915 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.590
Then patterns cover at least 99% of the test FS size in the guest's memory 2.108 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.628
Then I find very few patterns in the guest's memory after 3 seconds 4.630 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# read cache
When I mount the USB drive again 9.789
And I read the content of the test FS 0.343
Then patterns cover at least 99% of the test FS size in the guest's memory 2.116 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.541
Then I find very few patterns in the guest's memory after 3 seconds 4.829 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 1.091
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.697
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 7.151
And I prepare Tails for memory erasure tests 0.348
When I fill a 128 MiB file with a known pattern on the root filesystem 14.129
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.887
Then patterns cover at least 128 MiB in the guest's memory 1.587 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 20.572 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 3.904
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:42.711
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 4:10.027
And I prepare Tails for memory erasure tests 0.305
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.097
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.274 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 3.620
After features/support/hooks.rb:100 0.021