Project Number Date
test_Tails_ISO_stable 6401 24 May 2026, 11:24

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 7:20.856 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
16.997
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.525
And I prepare Tails for memory erasure tests 0.324
When I start a process allocating 128 MiB of memory with a known pattern 1.212
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.980 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.250
Then I find very few patterns in the guest's memory after 5 seconds 6.703 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:335 0.758
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.056
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.445
And I prepare Tails for memory erasure tests 0.285
And I find very few patterns in the guest's memory 1.844 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.552
Then patterns cover at least 99% of the test FS size in the guest's memory 1.876 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.356
Then I find very few patterns in the guest's memory after 3 seconds 4.694 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:335 0.727
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
31.306
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.449
And I prepare Tails for memory erasure tests 0.329
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.349
Then I find very few patterns in the guest's memory 1.703 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.557
Then patterns cover at least 75% of the test FS size in the guest's memory 1.972 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.668
Then I find very few patterns in the guest's memory after 3 seconds 4.701 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# read cache
When I mount the USB drive again 0.165
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 1.976 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.348
Then I find very few patterns in the guest's memory after 3 seconds 4.733 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:335 0.925
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
54.743
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.442
And I prepare Tails for memory erasure tests 0.309
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.530
Then I find very few patterns in the guest's memory 1.729 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.409
Then patterns cover at least 99% of the test FS size in the guest's memory 1.750 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.473
Then I find very few patterns in the guest's memory after 3 seconds 4.563 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 3.504
And I read the content of the test FS 0.294
Then patterns cover at least 99% of the test FS size in the guest's memory 1.702 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.403
Then I find very few patterns in the guest's memory after 3 seconds 4.630 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:335 1.038
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
52.164
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.619
And I prepare Tails for memory erasure tests 0.378
When I fill a 128 MiB file with a known pattern on the root filesystem 21.296
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.916
Then patterns cover at least 128 MiB in the guest's memory 1.436 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 20.507 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:335 3.409
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:28.587
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:49.142
And I prepare Tails for memory erasure tests 0.375
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.171
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.893 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:335 3.659
After features/support/hooks.rb:104 0.009