Project Number Date
test_Tails_ISO_21565-flatpak-safe 121 04 Nov 2026, 03:29

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 7:27.555 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
19.276
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 6.196
And I prepare Tails for memory erasure tests 0.335
When I start a process allocating 128 MiB of memory with a known pattern 2.168
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.797 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.197
Then I find very few patterns in the guest's memory after 5 seconds 7.581 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
After features/support/hooks.rb:339 0.937
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.591
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 6.193
And I prepare Tails for memory erasure tests 0.312
And I find very few patterns in the guest's memory 2.732 
Pattern coverage: 0.000% (0 MiB out of 1388 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.471
Then patterns cover at least 99% of the test FS size in the guest's memory 2.897 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.387
Then I find very few patterns in the guest's memory after 3 seconds 5.597 
Pattern coverage: 0.000% (0 MiB out of 1388 MiB reference memory)
After features/support/hooks.rb:339 0.594
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.469
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 6.184
And I prepare Tails for memory erasure tests 0.304
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.149
Then I find very few patterns in the guest's memory 2.619 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.345
Then patterns cover at least 75% of the test FS size in the guest's memory 2.873 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.621
Then I find very few patterns in the guest's memory after 3 seconds 5.820 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
# read cache
When I mount the USB drive again 0.174
And I read the content of the test FS 0.592
Then patterns cover at least 99% of the test FS size in the guest's memory 4.472 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 7.925 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
After features/support/hooks.rb:339 0.690
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.418
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 6.269
And I prepare Tails for memory erasure tests 0.282
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.268
Then I find very few patterns in the guest's memory 3.974 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.450
Then patterns cover at least 99% of the test FS size in the guest's memory 3.300 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.520
Then I find very few patterns in the guest's memory after 3 seconds 5.710 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
# read cache
When I mount the USB drive again 3.831
And I read the content of the test FS 0.337
Then patterns cover at least 99% of the test FS size in the guest's memory 2.597 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.428
Then I find very few patterns in the guest's memory after 3 seconds 5.444 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
After features/support/hooks.rb:339 0.890
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.217
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 6.359
And I prepare Tails for memory erasure tests 0.302
When I fill a 128 MiB file with a known pattern on the root filesystem 13.053
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.534
Then patterns cover at least 128 MiB in the guest's memory 2.201 
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 20.760 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 3.852
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:21.583
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 3:49.094
And I prepare Tails for memory erasure tests 0.288
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.142
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.051 
Pattern coverage: 0.000% (0 MiB out of 1450 MiB reference memory)
After features/support/hooks.rb:339 3.542
After features/support/hooks.rb:108 0.010