Hi, this is a second version of patch demonstrating a bug on overlayfs when combining IMA with EVM. There is ongoing work made by Ignaz Forster and Fabian Vogt [1] [2], IMA only behavior was already fixed [3]. Main patch is the last one (previous are just a cleanup and not changed). Kind regards, Petr [1] https://www.spinics.net/lists/linux-integrity/msg05926.html [2] https://www.spinics.net/lists/linux-integrity/msg03593.html [3] https://patchwork.kernel.org/patch/10776231/ Petr Vorel (3): ima: Call test's cleanup inside ima_setup.sh cleanup shell: Add $TST_DEVICE as default parameter to tst_umount ima: Add overlay test doc/test-writing-guidelines.txt | 4 +- runtest/ima | 1 + testcases/commands/df/df01.sh | 7 +- testcases/commands/mkfs/mkfs01.sh | 2 +- .../integrity/ima/tests/evm_overlay.sh | 86 +++++++++++++++++++ .../security/integrity/ima/tests/ima_setup.sh | 12 ++- .../integrity/ima/tests/ima_violations.sh | 2 - testcases/lib/tst_test.sh | 2 +- 8 files changed, 100 insertions(+), 16 deletions(-) create mode 100755 testcases/kernel/security/integrity/ima/tests/evm_overlay.sh -- 2.21.0