Project Number Date
test_Tails_ISO_21523-21524-unsafe-browser-onionshare-no-dbus-access 8 29 Apr 2026, 18:20

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 7:8.543 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
17.811
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 6.451
And I prepare Tails for memory erasure tests 0.347
When I start a process allocating 128 MiB of memory with a known pattern 2.217
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.926 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.167
Then I find very few patterns in the guest's memory after 5 seconds 6.701 
Pattern coverage: 0.000% (0 MiB out of 1550 MiB reference memory)
After features/support/hooks.rb:331 0.919
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
16.885
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 6.592
And I prepare Tails for memory erasure tests 0.296
And I find very few patterns in the guest's memory 1.688 
Pattern coverage: 0.000% (0 MiB out of 1544 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.375
Then patterns cover at least 99% of the test FS size in the guest's memory 1.930 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.329
Then I find very few patterns in the guest's memory after 3 seconds 4.671 
Pattern coverage: 0.000% (0 MiB out of 1544 MiB reference memory)
After features/support/hooks.rb:331 0.836
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.755
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 6.444
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.207
Then I find very few patterns in the guest's memory 1.681 
Pattern coverage: 0.000% (0 MiB out of 1550 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.052
Then patterns cover at least 75% of the test FS size in the guest's memory 1.929 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.681
Then I find very few patterns in the guest's memory after 3 seconds 4.707 
Pattern coverage: 0.000% (0 MiB out of 1550 MiB reference memory)
# read cache
When I mount the USB drive again 0.141
And I read the content of the test FS 0.388
Then patterns cover at least 99% of the test FS size in the guest's memory 1.913 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.466
Then I find very few patterns in the guest's memory after 3 seconds 4.700 
Pattern coverage: 0.000% (0 MiB out of 1550 MiB reference memory)
After features/support/hooks.rb:331 0.976
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.957
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 6.552
And I prepare Tails for memory erasure tests 0.341
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.198
Then I find very few patterns in the guest's memory 1.766 
Pattern coverage: 0.000% (0 MiB out of 1546 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.035
Then patterns cover at least 99% of the test FS size in the guest's memory 1.905 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.495
Then I find very few patterns in the guest's memory after 3 seconds 4.692 
Pattern coverage: 0.000% (0 MiB out of 1546 MiB reference memory)
# read cache
When I mount the USB drive again 3.682
And I read the content of the test FS 0.275
Then patterns cover at least 99% of the test FS size in the guest's memory 1.833 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.427
Then I find very few patterns in the guest's memory after 3 seconds 4.749 
Pattern coverage: 0.000% (0 MiB out of 1546 MiB reference memory)
After features/support/hooks.rb:331 0.877
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.824
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 6.516
And I prepare Tails for memory erasure tests 0.391
When I fill a 128 MiB file with a known pattern on the root filesystem 12.080
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.864
Then patterns cover at least 128 MiB in the guest's memory 1.447 
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 20.519 
Pattern coverage: 0.000% (0 MiB out of 1543 MiB reference memory)
After features/support/hooks.rb:331 3.749
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:25.307
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:53.970
And I prepare Tails for memory erasure tests 0.371
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.004
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.955 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 3.481
After features/support/hooks.rb:100 0.009