Project Number Date
test_Tails_ISO_21651-persist-gnome-software-based-on-17367 5 09 Aug 2026, 09:16

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 7:24.552 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
20.118
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 6.290
And I prepare Tails for memory erasure tests 0.281
When I start a process allocating 128 MiB of memory with a known pattern 2.181
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.032 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.202
Then I find very few patterns in the guest's memory after 5 seconds 8.131 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
After features/support/hooks.rb:339 0.647
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.422
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 6.282
And I prepare Tails for memory erasure tests 0.276
And I find very few patterns in the guest's memory 2.620 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.383
Then patterns cover at least 99% of the test FS size in the guest's memory 2.725 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.357
Then I find very few patterns in the guest's memory after 3 seconds 5.776 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 0.816
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.278
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.275
And I prepare Tails for memory erasure tests 0.280
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.077
Then I find very few patterns in the guest's memory 3.176 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.639
Then patterns cover at least 75% of the test FS size in the guest's memory 3.025 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.683
Then I find very few patterns in the guest's memory after 3 seconds 5.437 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# read cache
When I mount the USB drive again 0.162
And I read the content of the test FS 0.552
Then patterns cover at least 99% of the test FS size in the guest's memory 2.780 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.377
Then I find very few patterns in the guest's memory after 3 seconds 5.809 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 0.946
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.012
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.445
And I prepare Tails for memory erasure tests 0.336
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.858
Then I find very few patterns in the guest's memory 2.986 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.029
Then patterns cover at least 99% of the test FS size in the guest's memory 2.820 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.483
Then I find very few patterns in the guest's memory after 3 seconds 5.465 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# read cache
When I mount the USB drive again 3.372
And I read the content of the test FS 0.352
Then patterns cover at least 99% of the test FS size in the guest's memory 2.876 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.409
Then I find very few patterns in the guest's memory after 3 seconds 5.574 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 0.715
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.285
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 6.501
And I prepare Tails for memory erasure tests 0.322
When I fill a 128 MiB file with a known pattern on the root filesystem 13.020
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.460
Then patterns cover at least 128 MiB in the guest's memory 2.252 
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 20.720 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 3.787
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:24.435
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:53.537
And I prepare Tails for memory erasure tests 0.293
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.467
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.132 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 3.792
After features/support/hooks.rb:108 0.049