Project Number Date
test_Tails_ISO_stable 6671 16 Sep 2026, 07:23

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 7:21.196 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
19.351
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.194
And I prepare Tails for memory erasure tests 0.286
When I start a process allocating 128 MiB of memory with a known pattern 2.203
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.801 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.220
Then I find very few patterns in the guest's memory after 5 seconds 7.644 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 0.960
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.563
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.204
And I prepare Tails for memory erasure tests 0.279
And I find very few patterns in the guest's memory 2.590 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.581
Then patterns cover at least 99% of the test FS size in the guest's memory 2.881 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.341
Then I find very few patterns in the guest's memory after 3 seconds 5.685 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 0.651
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
47.209
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 18.022
And I prepare Tails for memory erasure tests 0.347
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.187
Then I find very few patterns in the guest's memory 2.474 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.445
Then patterns cover at least 75% of the test FS size in the guest's memory 2.900 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.655
Then I find very few patterns in the guest's memory after 3 seconds 5.685 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# read cache
When I mount the USB drive again 0.174
And I read the content of the test FS 0.578
Then patterns cover at least 99% of the test FS size in the guest's memory 2.773 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.367
Then I find very few patterns in the guest's memory after 3 seconds 5.596 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 1.003
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.192
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.266
And I prepare Tails for memory erasure tests 0.384
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.832
Then I find very few patterns in the guest's memory 2.522 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.131
Then patterns cover at least 99% of the test FS size in the guest's memory 2.703 
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 5.500 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# read cache
When I mount the USB drive again 3.501
And I read the content of the test FS 0.371
Then patterns cover at least 99% of the test FS size in the guest's memory 2.708 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.376
Then I find very few patterns in the guest's memory after 3 seconds 5.413 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.992
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.673
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.364
And I prepare Tails for memory erasure tests 0.315
When I fill a 128 MiB file with a known pattern on the root filesystem 12.470
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.596
Then patterns cover at least 128 MiB in the guest's memory 2.135 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.785 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 3.890
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:11.206
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:39.751
And I prepare Tails for memory erasure tests 0.319
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.030
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.101 
Pattern coverage: 0.000% (0 MiB out of 1445 MiB reference memory)
After features/support/hooks.rb:339 3.470
After features/support/hooks.rb:108 0.044