Project Number Date
test_Tails_ISO_stable 4763 02 Apr 2024, 23:14

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 45 1 7 0 0 53 5 1 6 9:55.894 Failed
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.
21.289
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.238
And I prepare Tails for memory erasure tests 0.400
When I start a process allocating 128 MiB of memory with a known pattern 1.385
Then patterns cover at least 128 MiB in the guest's memory 4.333

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

When I kill the allocating process 0.544
Then I find very few patterns in the guest's memory 6.386

Pattern coverage: 0.000% (0 MiB out of 847 MiB reference memory)

After features/support/hooks.rb:291 0.714
After features/support/hooks.rb:75 0.000
25.265
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.177
And I prepare Tails for memory erasure tests 0.434
And I find very few patterns in the guest's memory 4.803

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.494
Then patterns cover at least 99% of the test FS size in the guest's memory 4.575

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

When I umount "/mnt" 0.590
Then I find very few patterns in the guest's memory 4.189

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:291 0.996
After features/support/hooks.rb:75 0.000
29.670
Scenario Erasure of read and write disk caches on unmount: vfat
Before features/support/hooks.rb:245 0.002
Steps
Given I have started Tails from DVD without network and logged in 9.022
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.815
Then I find very few patterns in the guest's memory 4.894

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.474
Then patterns cover at least 86% of the test FS size in the guest's memory 5.013
85.505% of the test FS size (127.599609375 MiB) has the pattern, but more than 86.000% was expected.
<false> is not true. (Test::Unit::AssertionFailedError)
./features/step_definitions/erase_memory.rb:170:in `/^patterns cover at least (\d+)% of the test FS size in the guest's memory$/'
features/erase_memory.feature:37:in `Then patterns cover at least 86% of the test FS size in the guest's memory'
Output 1

Pattern coverage: 85.505% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory 0.000
# read cache
When I mount the USB drive again 0.000
And I read the content of the test FS 0.000
Then patterns cover at least 99% of the test FS size in the guest's memory 0.000
When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory 0.000
After features/support/hooks.rb:291 4.592

SCENARIO FAILED: 'Erasure of read and write disk caches on unmount: vfat' (at time 00:28:43)

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4763/artifact/build-artifacts/00:28:43_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4763/artifact/build-artifacts/00:28:43_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.mkv

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4763/artifact/build-artifacts/00:28:43_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.boot-log

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_stable/4763/artifact/build-artifacts/00:28:43_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.journal

After features/support/hooks.rb:75 0.000
1:6.647
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.222
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.329
Then I find very few patterns in the guest's memory 3.958

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.561
Then patterns cover at least 99% of the test FS size in the guest's memory 3.439

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

When I umount the USB drive 0.701
Then I find very few patterns in the guest's memory 4.668

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

# read cache
When I mount the USB drive again 3.506
And I read the content of the test FS 0.534
Then patterns cover at least 99% of the test FS size in the guest's memory 3.533

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 4.640
Then I find very few patterns in the guest's memory 4.115

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

After features/support/hooks.rb:291 1.212
After features/support/hooks.rb:75 0.000
52.532
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.272
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the root filesystem 17.401
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.220
Then patterns cover at least 128 MiB in the guest's memory 3.328

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

When I trigger shutdown 0.014
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.818

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

After features/support/hooks.rb:291 3.506
After features/support/hooks.rb:75 0.000
6:40.488
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:55.980
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.787
When I trigger shutdown 0.010
And I wait 20 seconds 20.019

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.276

Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)

After features/support/hooks.rb:291 3.480
After features/support/hooks.rb:75 0.019