Project Number Date
test_Tails_ISO_21734-bump-snapshot-restore-timeout 7 20 Aug 2026, 16:03

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 7:49.429 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
20.861
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 6.600
And I prepare Tails for memory erasure tests 0.291
When I start a process allocating 128 MiB of memory with a known pattern 2.298
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.856 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.234
Then I find very few patterns in the guest's memory after 5 seconds 8.581 
Pattern coverage: 0.000% (0 MiB out of 1448 MiB reference memory)
After features/support/hooks.rb:339 0.999
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.610
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.013
Given I have started Tails from DVD without network and logged in 6.619
And I prepare Tails for memory erasure tests 0.445
And I find very few patterns in the guest's memory 2.597 
Pattern coverage: 0.000% (0 MiB out of 1448 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.368
Then patterns cover at least 99% of the test FS size in the guest's memory 2.911 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.378
Then I find very few patterns in the guest's memory after 3 seconds 6.288 
Pattern coverage: 0.000% (0 MiB out of 1448 MiB reference memory)
After features/support/hooks.rb:339 1.008
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.734
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 6.748
And I prepare Tails for memory erasure tests 0.324
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.284
Then I find very few patterns in the guest's memory 2.866 
Pattern coverage: 0.000% (0 MiB out of 1444 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.103
Then patterns cover at least 75% of the test FS size in the guest's memory 3.496 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.795
Then I find very few patterns in the guest's memory after 3 seconds 5.853 
Pattern coverage: 0.000% (0 MiB out of 1444 MiB reference memory)
# read cache
When I mount the USB drive again 0.186
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 2.862 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.371
Then I find very few patterns in the guest's memory after 3 seconds 6.264 
Pattern coverage: 0.000% (0 MiB out of 1444 MiB reference memory)
After features/support/hooks.rb:339 1.125
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.848
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 6.760
And I prepare Tails for memory erasure tests 0.284
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.268
Then I find very few patterns in the guest's memory 2.932 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.114
Then patterns cover at least 99% of the test FS size in the guest's memory 2.760 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.666
Then I find very few patterns in the guest's memory after 3 seconds 5.566 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
# read cache
When I mount the USB drive again 3.845
And I read the content of the test FS 0.359
Then patterns cover at least 99% of the test FS size in the guest's memory 2.981 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.607
Then I find very few patterns in the guest's memory after 3 seconds 5.697 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 1.055
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.656
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.304
And I prepare Tails for memory erasure tests 0.399
When I fill a 128 MiB file with a known pattern on the root filesystem 13.265
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.761
Then patterns cover at least 128 MiB in the guest's memory 2.181 
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 20.740 
Pattern coverage: 0.000% (0 MiB out of 1451 MiB reference memory)
After features/support/hooks.rb:339 3.367
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:39.718
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:7.394
And I prepare Tails for memory erasure tests 0.278
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.996
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.044 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:339 3.523
After features/support/hooks.rb:108 0.010