Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 36 09 Jul 2026, 08:11

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 7:32.476 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
16.930
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 6.441
And I prepare Tails for memory erasure tests 0.340
When I start a process allocating 128 MiB of memory with a known pattern 1.213
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.086 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.186
Then I find very few patterns in the guest's memory after 5 seconds 6.661 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:339 0.770
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.049
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 6.457
And I prepare Tails for memory erasure tests 0.348
And I find very few patterns in the guest's memory 1.664 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.561
Then patterns cover at least 99% of the test FS size in the guest's memory 2.004 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.332
Then I find very few patterns in the guest's memory after 3 seconds 4.680 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:339 0.719
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.613
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 6.500
And I prepare Tails for memory erasure tests 0.352
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.206
Then I find very few patterns in the guest's memory 1.833 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.601
Then patterns cover at least 75% of the test FS size in the guest's memory 1.972 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.781
Then I find very few patterns in the guest's memory after 3 seconds 4.860 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 0.153
And I read the content of the test FS 0.477
Then patterns cover at least 99% of the test FS size in the guest's memory 1.843 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.426
Then I find very few patterns in the guest's memory after 3 seconds 4.602 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:339 0.602
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
54.777
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 6.518
And I prepare Tails for memory erasure tests 0.376
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.331
Then I find very few patterns in the guest's memory 1.604 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.286
Then patterns cover at least 99% of the test FS size in the guest's memory 1.684 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.501
Then I find very few patterns in the guest's memory after 3 seconds 4.643 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# read cache
When I mount the USB drive again 3.847
And I read the content of the test FS 0.292
Then patterns cover at least 99% of the test FS size in the guest's memory 1.721 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.405
Then I find very few patterns in the guest's memory after 3 seconds 4.563 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 1.200
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.002
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 6.483
And I prepare Tails for memory erasure tests 0.309
When I fill a 128 MiB file with a known pattern on the root filesystem 29.276
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.923
Then patterns cover at least 128 MiB in the guest's memory 1.480 
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 20.523 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:339 3.563
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:32.103
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:44.773
And I prepare Tails for memory erasure tests 0.283
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.150
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.890 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
After features/support/hooks.rb:339 3.668
After features/support/hooks.rb:108 0.009