Project Number Date
test_Tails_ISO_stable 5923 31 Oct 2025, 14:23

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 12:4.630 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
37.000
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 8.910
And I prepare Tails for memory erasure tests 0.406
When I start a process allocating 128 MiB of memory with a known pattern 2.328
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 10.643 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.347
Then I find very few patterns in the guest's memory after 5 seconds 14.364 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:331 0.828
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.109
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 8.504
And I prepare Tails for memory erasure tests 0.441
And I find very few patterns in the guest's memory 9.494 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.878
Then patterns cover at least 99% of the test FS size in the guest's memory 10.190 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.458
Then I find very few patterns in the guest's memory after 3 seconds 17.140 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
After features/support/hooks.rb:331 1.808
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.996
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 8.651
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.822
Then I find very few patterns in the guest's memory 9.833 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.493
Then patterns cover at least 75% of the test FS size in the guest's memory 10.539 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.097
Then I find very few patterns in the guest's memory after 3 seconds 17.266 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
# read cache
When I mount the USB drive again 0.332
And I read the content of the test FS 1.143
Then patterns cover at least 99% of the test FS size in the guest's memory 10.899 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.564
Then I find very few patterns in the guest's memory after 3 seconds 12.964 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
After features/support/hooks.rb:331 1.218
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:41.955
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 8.334
And I prepare Tails for memory erasure tests 0.478
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.661
Then I find very few patterns in the guest's memory 8.903 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.971
Then patterns cover at least 99% of the test FS size in the guest's memory 9.297 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.741
Then I find very few patterns in the guest's memory after 3 seconds 11.844 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
# read cache
When I mount the USB drive again 5.102
And I read the content of the test FS 0.504
Then patterns cover at least 99% of the test FS size in the guest's memory 9.280 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.605
Then I find very few patterns in the guest's memory after 3 seconds 12.229 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
After features/support/hooks.rb:331 3.547
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.335
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 13.007
And I prepare Tails for memory erasure tests 0.493
When I fill a 128 MiB file with a known pattern on the root filesystem 10.981
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.080
Then patterns cover at least 128 MiB in the guest's memory 6.750 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 22.010 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 4.065
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:38.233
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 6:6.279
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.630
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 22.882 
Pattern coverage: 0.000% (0 MiB out of 1546 MiB reference memory)
After features/support/hooks.rb:331 3.782
After features/support/hooks.rb:100 0.014