Project Number Date
test_Tails_ISO_stable 6049 09 Jan 2026, 11:38

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 7:7.357 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
18.137
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 6.972
And I prepare Tails for memory erasure tests 0.398
When I start a process allocating 128 MiB of memory with a known pattern 1.202
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.209 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.614
Then I find very few patterns in the guest's memory after 5 seconds 6.740 
Pattern coverage: 0.000% (0 MiB out of 1520 MiB reference memory)
After features/support/hooks.rb:331 0.689
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.761
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 7.030
And I prepare Tails for memory erasure tests 0.340
And I find very few patterns in the guest's memory 1.918 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.442
Then patterns cover at least 99% of the test FS size in the guest's memory 1.959 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.309
Then I find very few patterns in the guest's memory after 3 seconds 4.760 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:331 0.999
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.045
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 6.568
And I prepare Tails for memory erasure tests 0.318
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.348
Then I find very few patterns in the guest's memory 1.718 
Pattern coverage: 0.000% (0 MiB out of 1527 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.943
Then patterns cover at least 75% of the test FS size in the guest's memory 2.280 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.731
Then I find very few patterns in the guest's memory after 3 seconds 5.230 
Pattern coverage: 0.000% (0 MiB out of 1527 MiB reference memory)
# read cache
When I mount the USB drive again 0.204
And I read the content of the test FS 0.454
Then patterns cover at least 99% of the test FS size in the guest's memory 2.031 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.359
Then I find very few patterns in the guest's memory after 3 seconds 4.854 
Pattern coverage: 0.000% (0 MiB out of 1527 MiB reference memory)
After features/support/hooks.rb:331 0.716
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.882
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 6.660
And I prepare Tails for memory erasure tests 0.342
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.762
Then I find very few patterns in the guest's memory 1.807 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.141
Then patterns cover at least 99% of the test FS size in the guest's memory 1.769 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.497
Then I find very few patterns in the guest's memory after 3 seconds 4.710 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
# read cache
When I mount the USB drive again 4.534
And I read the content of the test FS 0.308
Then patterns cover at least 99% of the test FS size in the guest's memory 1.995 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.457
Then I find very few patterns in the guest's memory after 3 seconds 4.895 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
After features/support/hooks.rb:331 0.900
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.195
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 6.642
And I prepare Tails for memory erasure tests 0.370
When I fill a 128 MiB file with a known pattern on the root filesystem 12.486
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.735
Then patterns cover at least 128 MiB in the guest's memory 1.456 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.496 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
After features/support/hooks.rb:331 3.366
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:16.334
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 3:45.025
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 10.176
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.853 
Pattern coverage: 0.000% (0 MiB out of 1506 MiB reference memory)
After features/support/hooks.rb:331 3.381
After features/support/hooks.rb:100 0.010