Project Number Date
test_Tails_ISO_devel 4151 05 Jan 2026, 19:15

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 11:55.152 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
43.135
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 7.637
And I prepare Tails for memory erasure tests 0.368
When I start a process allocating 128 MiB of memory with a known pattern 1.146
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 14.576 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.149
Then I find very few patterns in the guest's memory after 5 seconds 19.257 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.723
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.299
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 7.593
And I prepare Tails for memory erasure tests 0.396
And I find very few patterns in the guest's memory 13.719 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 0.529
Then patterns cover at least 99% of the test FS size in the guest's memory 15.148 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.082
Then I find very few patterns in the guest's memory after 3 seconds 16.830 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 0.992
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:39.300
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 7.566
And I prepare Tails for memory erasure tests 0.352
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.621
Then I find very few patterns in the guest's memory 17.354 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.007
Then patterns cover at least 75% of the test FS size in the guest's memory 14.827 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.203
Then I find very few patterns in the guest's memory after 3 seconds 18.581 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# read cache
When I mount the USB drive again 0.151
And I read the content of the test FS 0.421
Then patterns cover at least 99% of the test FS size in the guest's memory 15.117 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.142
Then I find very few patterns in the guest's memory after 3 seconds 16.952 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.670
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:58.254
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 7.660
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.458
Then I find very few patterns in the guest's memory 12.780 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.274
Then patterns cover at least 99% of the test FS size in the guest's memory 14.428 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.430
Then I find very few patterns in the guest's memory after 3 seconds 18.278 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# read cache
When I mount the USB drive again 2.496
And I read the content of the test FS 0.375
Then patterns cover at least 99% of the test FS size in the guest's memory 13.570 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.390
Then I find very few patterns in the guest's memory after 3 seconds 15.699 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:331 0.679
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.076
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 7.711
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the root filesystem 9.006
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 0.283
Then patterns cover at least 128 MiB in the guest's memory 10.922 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 22.749 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 3.588
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
5:49.085
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:16.957
And I prepare Tails for memory erasure tests 0.367
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.751
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 22.998 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:331 3.998
After features/support/hooks.rb:100 0.014