Project Number Date
test_Tails_ISO_stable 6081 20 Jan 2026, 12:02

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 7:11.392 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
18.160
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 6.546
And I prepare Tails for memory erasure tests 0.309
When I start a process allocating 128 MiB of memory with a known pattern 2.319
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.906 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.273
Then I find very few patterns in the guest's memory after 5 seconds 6.805 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
After features/support/hooks.rb:331 0.622
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.455
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 6.450
And I prepare Tails for memory erasure tests 0.318
And I find very few patterns in the guest's memory 1.661 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.529
Then patterns cover at least 99% of the test FS size in the guest's memory 1.874 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.823
Then I find very few patterns in the guest's memory after 3 seconds 4.797 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:331 0.884
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.272
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 6.523
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.040
Then I find very few patterns in the guest's memory 1.694 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.082
Then patterns cover at least 75% of the test FS size in the guest's memory 2.104 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.159
Then I find very few patterns in the guest's memory after 3 seconds 4.739 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
# read cache
When I mount the USB drive again 0.186
And I read the content of the test FS 0.429
Then patterns cover at least 99% of the test FS size in the guest's memory 1.927 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.309
Then I find very few patterns in the guest's memory after 3 seconds 4.635 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 1.238
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:3.756
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 6.513
And I prepare Tails for memory erasure tests 0.311
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.955
Then I find very few patterns in the guest's memory 1.604 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.551
Then patterns cover at least 99% of the test FS size in the guest's memory 1.743 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.591
Then I find very few patterns in the guest's memory after 3 seconds 4.530 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
# read cache
When I mount the USB drive again 8.974
And I read the content of the test FS 0.266
Then patterns cover at least 99% of the test FS size in the guest's memory 1.689 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.479
Then I find very few patterns in the guest's memory after 3 seconds 4.545 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 1.322
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.209
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 6.542
And I prepare Tails for memory erasure tests 0.369
When I fill a 128 MiB file with a known pattern on the root filesystem 13.520
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.909
Then patterns cover at least 128 MiB in the guest's memory 1.383 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.028
Then I find very few patterns in the guest's memory after 20 seconds 20.456 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:331 3.396
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:14.538
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 3:43.477
And I prepare Tails for memory erasure tests 0.274
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.937
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.844 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 3.638
After features/support/hooks.rb:100 0.009