Project Number Date
test_Tails_ISO_stable 6072 16 Jan 2026, 08:15

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 7:42.571 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
19.514
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 7.550
And I prepare Tails for memory erasure tests 0.408
When I start a process allocating 128 MiB of memory with a known pattern 2.245
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.199 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.182
Then I find very few patterns in the guest's memory after 5 seconds 6.928 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 1.058
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
20.229
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 7.699
And I prepare Tails for memory erasure tests 0.389
And I find very few patterns in the guest's memory 1.976 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.205
Then patterns cover at least 99% of the test FS size in the guest's memory 2.049 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.853
Then I find very few patterns in the guest's memory after 3 seconds 5.054 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:331 1.058
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.249
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 7.627
And I prepare Tails for memory erasure tests 0.352
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.420
Then I find very few patterns in the guest's memory 1.863 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.839
Then patterns cover at least 75% of the test FS size in the guest's memory 2.242 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.242
Then I find very few patterns in the guest's memory after 3 seconds 4.944 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# read cache
When I mount the USB drive again 0.158
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 2.022 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.302
Then I find very few patterns in the guest's memory after 3 seconds 4.788 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 1.393
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.912
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 7.346
And I prepare Tails for memory erasure tests 0.370
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.885
Then I find very few patterns in the guest's memory 2.134 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.123
Then patterns cover at least 99% of the test FS size in the guest's memory 2.205 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.480
Then I find very few patterns in the guest's memory after 3 seconds 4.860 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# read cache
When I mount the USB drive again 3.835
And I read the content of the test FS 0.335
Then patterns cover at least 99% of the test FS size in the guest's memory 2.087 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.456
Then I find very few patterns in the guest's memory after 3 seconds 4.789 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 0.864
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.938
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 7.438
And I prepare Tails for memory erasure tests 0.380
When I fill a 128 MiB file with a known pattern on the root filesystem 14.052
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.672
Then patterns cover at least 128 MiB in the guest's memory 1.759 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.628 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 3.656
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:35.727
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 4:3.382
And I prepare Tails for memory erasure tests 0.318
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.773
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 21.243 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
After features/support/hooks.rb:331 3.650
After features/support/hooks.rb:100 0.010