Project Number Date
test_Tails_ISO_20860-unsafe-browser-desktop-portals 7 12 May 2025, 20:56

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 11:29.686 Passed
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.
32.741
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.172
And I prepare Tails for memory erasure tests 0.418
When I start a process allocating 128 MiB of memory with a known pattern 6.459
Then patterns cover at least 128 MiB in the guest's memory 4.231

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 2.123
Then I find very few patterns in the guest's memory after 5 seconds 11.335

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:330 0.857
After features/support/hooks.rb:100 0.000
27.249
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 8.498
And I prepare Tails for memory erasure tests 0.466
And I find very few patterns in the guest's memory 3.723

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.263
Then patterns cover at least 99% of the test FS size in the guest's memory 4.118

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 1.414
Then I find very few patterns in the guest's memory after 3 seconds 6.763

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:330 2.026
After features/support/hooks.rb:100 0.000
50.673
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 8.113
And I prepare Tails for memory erasure tests 0.462
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.065
Then I find very few patterns in the guest's memory 4.602

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.751
Then patterns cover at least 75% of the test FS size in the guest's memory 3.948

Pattern coverage: 89.968% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.136
Then I find very few patterns in the guest's memory after 3 seconds 6.550

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# read cache
When I mount the USB drive again 0.403
And I read the content of the test FS 0.755
Then patterns cover at least 99% of the test FS size in the guest's memory 4.034

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.222
Then I find very few patterns in the guest's memory after 3 seconds 6.627

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:330 1.112
After features/support/hooks.rb:100 0.000
1:16.818
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 8.128
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.959
Then I find very few patterns in the guest's memory 2.671

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.640
Then patterns cover at least 99% of the test FS size in the guest's memory 2.751

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.716
Then I find very few patterns in the guest's memory after 3 seconds 5.656

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# read cache
When I mount the USB drive again 4.524
And I read the content of the test FS 0.461
Then patterns cover at least 99% of the test FS size in the guest's memory 3.411

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.486
Then I find very few patterns in the guest's memory after 3 seconds 5.970

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:330 0.898
After features/support/hooks.rb:100 0.000
51.539
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 7.976
And I prepare Tails for memory erasure tests 0.543
When I fill a 128 MiB file with a known pattern on the root filesystem 16.747
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.166
Then patterns cover at least 128 MiB in the guest's memory 3.139

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.952

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:330 3.494
After features/support/hooks.rb:100 0.000
7:30.663
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 6:46.233
And I prepare Tails for memory erasure tests 0.580
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.567
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.263

Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)

After features/support/hooks.rb:330 3.536
After features/support/hooks.rb:100 0.011