Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 30 02 Jul 2026, 13:46

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 7:54.976 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
17.927
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 6.696
And I prepare Tails for memory erasure tests 0.308
When I start a process allocating 128 MiB of memory with a known pattern 1.134
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.155 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.641
Then I find very few patterns in the guest's memory after 5 seconds 6.990 
Pattern coverage: 0.000% (0 MiB out of 1520 MiB reference memory)
After features/support/hooks.rb:339 0.862
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.697
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 6.745
And I prepare Tails for memory erasure tests 0.331
And I find very few patterns in the guest's memory 1.755 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.608
Then patterns cover at least 99% of the test FS size in the guest's memory 2.049 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.321
Then I find very few patterns in the guest's memory after 3 seconds 4.885 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
After features/support/hooks.rb:339 1.127
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
32.618
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 6.873
And I prepare Tails for memory erasure tests 0.342
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.063
Then I find very few patterns in the guest's memory 1.827 
Pattern coverage: 0.000% (0 MiB out of 1524 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.748
Then patterns cover at least 75% of the test FS size in the guest's memory 2.229 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.779
Then I find very few patterns in the guest's memory after 3 seconds 4.897 
Pattern coverage: 0.000% (0 MiB out of 1524 MiB reference memory)
# read cache
When I mount the USB drive again 0.180
And I read the content of the test FS 0.464
Then patterns cover at least 99% of the test FS size in the guest's memory 1.953 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.362
Then I find very few patterns in the guest's memory after 3 seconds 4.895 
Pattern coverage: 0.000% (0 MiB out of 1524 MiB reference memory)
After features/support/hooks.rb:339 0.650
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.922
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 6.886
And I prepare Tails for memory erasure tests 0.384
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.785
Then I find very few patterns in the guest's memory 1.713 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.215
Then patterns cover at least 99% of the test FS size in the guest's memory 1.958 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.594
Then I find very few patterns in the guest's memory after 3 seconds 4.774 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
# read cache
When I mount the USB drive again 4.038
And I read the content of the test FS 0.374
Then patterns cover at least 99% of the test FS size in the guest's memory 1.784 
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 4.983 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
After features/support/hooks.rb:339 0.891
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.364
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 6.867
And I prepare Tails for memory erasure tests 0.329
When I fill a 128 MiB file with a known pattern on the root filesystem 33.786
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.186
Then patterns cover at least 128 MiB in the guest's memory 1.605 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 20.580 
Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)
After features/support/hooks.rb:339 3.781
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:42.445
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 3:54.698
And I prepare Tails for memory erasure tests 0.353
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.414
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.972 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 3.809
After features/support/hooks.rb:108 0.010