Project Number Date
test_Tails_ISO_devel 4565 22 Aug 2026, 11:10

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 7:14.427 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
19.973
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 6.225
And I prepare Tails for memory erasure tests 0.331
When I start a process allocating 128 MiB of memory with a known pattern 2.190
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.833 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.788
Then I find very few patterns in the guest's memory after 5 seconds 7.603 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 0.709
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.623
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 6.200
And I prepare Tails for memory erasure tests 0.296
And I find very few patterns in the guest's memory 2.621 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.584
Then patterns cover at least 99% of the test FS size in the guest's memory 2.891 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.435
Then I find very few patterns in the guest's memory after 3 seconds 5.594 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.639
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.353
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 6.288
And I prepare Tails for memory erasure tests 0.282
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.014
Then I find very few patterns in the guest's memory 2.992 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.750
Then patterns cover at least 75% of the test FS size in the guest's memory 3.037 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.740
Then I find very few patterns in the guest's memory after 3 seconds 5.549 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# read cache
When I mount the USB drive again 0.165
And I read the content of the test FS 0.596
Then patterns cover at least 99% of the test FS size in the guest's memory 2.867 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.438
Then I find very few patterns in the guest's memory after 3 seconds 5.630 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 0.821
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.829
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 6.278
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" 30.375
Then I find very few patterns in the guest's memory 2.553 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.185
Then patterns cover at least 99% of the test FS size in the guest's memory 2.672 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.534
Then I find very few patterns in the guest's memory after 3 seconds 5.581 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# read cache
When I mount the USB drive again 4.035
And I read the content of the test FS 0.368
Then patterns cover at least 99% of the test FS size in the guest's memory 2.844 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.416
Then I find very few patterns in the guest's memory after 3 seconds 5.607 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 0.926
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.478
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 6.309
And I prepare Tails for memory erasure tests 0.336
When I fill a 128 MiB file with a known pattern on the root filesystem 13.003
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.807
Then patterns cover at least 128 MiB in the guest's memory 2.331 
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 20.682 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 3.531
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:11.168
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 3:40.142
And I prepare Tails for memory erasure tests 0.272
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.755
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.994 
Pattern coverage: 0.000% (0 MiB out of 1454 MiB reference memory)
After features/support/hooks.rb:339 3.513
After features/support/hooks.rb:108 0.009