Project Number Date
test_Tails_ISO_devel 3835 25 May 2025, 12:56

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 11:5.035 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
31.292
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 8.040
And I prepare Tails for memory erasure tests 0.462
When I start a process allocating 128 MiB of memory with a known pattern 2.321
Then patterns cover at least 128 MiB in the guest's memory 6.253 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.878
Then I find very few patterns in the guest's memory after 5 seconds 13.335 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.791
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.610
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 9.339
And I prepare Tails for memory erasure tests 0.457
And I find very few patterns in the guest's memory 5.274 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.322
Then patterns cover at least 99% of the test FS size in the guest's memory 4.217 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.614
Then I find very few patterns in the guest's memory after 3 seconds 6.385 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.278
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.109
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.127
Then I find very few patterns in the guest's memory 3.782 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.640
Then patterns cover at least 75% of the test FS size in the guest's memory 4.072 
Pattern coverage: 91.346% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.159
Then I find very few patterns in the guest's memory after 3 seconds 6.612 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# read cache
When I mount the USB drive again 0.230
And I read the content of the test FS 0.585
Then patterns cover at least 99% of the test FS size in the guest's memory 4.131 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.592
Then I find very few patterns in the guest's memory after 3 seconds 6.808 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 0.788
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.202
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 8.340
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.670
Then I find very few patterns in the guest's memory 3.232 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.991
Then patterns cover at least 99% of the test FS size in the guest's memory 3.301 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.754
Then I find very few patterns in the guest's memory after 3 seconds 6.235 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 3.818
And I read the content of the test FS 0.476
Then patterns cover at least 99% of the test FS size in the guest's memory 3.494 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.709
Then I find very few patterns in the guest's memory after 3 seconds 5.738 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.612
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.357
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 8.315
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the root filesystem 16.020
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.798
Then patterns cover at least 128 MiB in the guest's memory 2.897 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.812 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.493
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:12.293
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:28.635
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.009
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.195 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.535
After features/support/hooks.rb:100 0.011