Project Number Date
test_Tails_ISO_devel 4404 19 May 2026, 18:45

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 7:24.302 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
16.823
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 6.444
And I prepare Tails for memory erasure tests 0.356
When I start a process allocating 128 MiB of memory with a known pattern 1.191
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.882 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.158
Then I find very few patterns in the guest's memory after 5 seconds 6.790 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:335 0.916
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
16.775
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 6.409
And I prepare Tails for memory erasure tests 0.314
And I find very few patterns in the guest's memory 1.630 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.526
Then patterns cover at least 99% of the test FS size in the guest's memory 1.911 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.305
Then I find very few patterns in the guest's memory after 3 seconds 4.677 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:335 0.987
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
31.093
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.012
Given I have started Tails from DVD without network and logged in 6.484
And I prepare Tails for memory erasure tests 0.312
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.048
Then I find very few patterns in the guest's memory 1.733 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.594
Then patterns cover at least 75% of the test FS size in the guest's memory 2.066 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.712
Then I find very few patterns in the guest's memory after 3 seconds 4.740 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 0.209
And I read the content of the test FS 0.425
Then patterns cover at least 99% of the test FS size in the guest's memory 1.804 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.295
Then I find very few patterns in the guest's memory after 3 seconds 4.667 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:335 0.681
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
55.523
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 6.385
And I prepare Tails for memory erasure tests 0.297
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.775
Then I find very few patterns in the guest's memory 1.639 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.376
Then patterns cover at least 99% of the test FS size in the guest's memory 1.799 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.539
Then I find very few patterns in the guest's memory after 3 seconds 4.793 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 3.949
And I read the content of the test FS 0.317
Then patterns cover at least 99% of the test FS size in the guest's memory 1.699 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.397
Then I find very few patterns in the guest's memory after 3 seconds 4.552 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:335 0.712
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
52.268
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 6.378
And I prepare Tails for memory erasure tests 0.363
When I fill a 128 MiB file with a known pattern on the root filesystem 21.738
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.845
Then patterns cover at least 128 MiB in the guest's memory 1.475 
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 20.461 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:335 3.835
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:31.817
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:50.981
And I prepare Tails for memory erasure tests 0.302
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.420
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.106 
Pattern coverage: 0.000% (0 MiB out of 1527 MiB reference memory)
After features/support/hooks.rb:335 3.446
After features/support/hooks.rb:104 0.009