Project Number Date
test_Tails_ISO_stable 6073 16 Jan 2026, 11:22

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 7:27.810 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
18.577
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 6.821
And I prepare Tails for memory erasure tests 0.415
When I start a process allocating 128 MiB of memory with a known pattern 2.244
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.107 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.153
Then I find very few patterns in the guest's memory after 5 seconds 6.834 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
After features/support/hooks.rb:331 0.664
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.674
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 7.004
And I prepare Tails for memory erasure tests 0.424
And I find very few patterns in the guest's memory 1.780 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.900
Then patterns cover at least 99% of the test FS size in the guest's memory 1.919 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.658
Then I find very few patterns in the guest's memory after 3 seconds 4.986 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
After features/support/hooks.rb:331 0.563
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.924
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 6.825
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.375
Then I find very few patterns in the guest's memory 1.752 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.547
Then patterns cover at least 75% of the test FS size in the guest's memory 2.191 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.967
Then I find very few patterns in the guest's memory after 3 seconds 4.886 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
# read cache
When I mount the USB drive again 0.181
And I read the content of the test FS 0.505
Then patterns cover at least 99% of the test FS size in the guest's memory 2.074 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.279
Then I find very few patterns in the guest's memory after 3 seconds 4.912 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:331 0.833
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.157
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 6.537
And I prepare Tails for memory erasure tests 0.480
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.691
Then I find very few patterns in the guest's memory 1.707 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.035
Then patterns cover at least 99% of the test FS size in the guest's memory 1.864 
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 4.770 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# read cache
When I mount the USB drive again 4.307
And I read the content of the test FS 0.270
Then patterns cover at least 99% of the test FS size in the guest's memory 2.005 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 4.620 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:331 0.637
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.852
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 6.526
And I prepare Tails for memory erasure tests 0.341
When I fill a 128 MiB file with a known pattern on the root filesystem 13.357
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.696
Then patterns cover at least 128 MiB in the guest's memory 1.428 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.494 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:331 3.751
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:36.624
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 4:5.580
And I prepare Tails for memory erasure tests 0.382
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.717
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.938 
Pattern coverage: 0.000% (0 MiB out of 1517 MiB reference memory)
After features/support/hooks.rb:331 3.758
After features/support/hooks.rb:100 0.009