Re: [RFC][PATCH 7/7] lkdtm: Add READ_AFTER_FREE test

2016-01-05 Thread Laura Abbott
On 1/5/16 4:15 PM, Kees Cook wrote: On Mon, Dec 21, 2015 at 7:40 PM, Laura Abbott wrote: In a similar manner to WRITE_AFTER_FREE, add a READ_AFTER_FREE test to test free poisoning features. Sample output when no poison is present: [ 20.222501] lkdtm: Performing direct entry READ_AFTER_FREE

Re: [RFC][PATCH 7/7] lkdtm: Add READ_AFTER_FREE test

2016-01-05 Thread Kees Cook
On Mon, Dec 21, 2015 at 7:40 PM, Laura Abbott wrote: > > In a similar manner to WRITE_AFTER_FREE, add a READ_AFTER_FREE > test to test free poisoning features. Sample output when > no poison is present: > > [ 20.222501] lkdtm: Performing direct entry READ_AFTER_FREE > [ 20.226163] lkdtm: Freed

[RFC][PATCH 7/7] lkdtm: Add READ_AFTER_FREE test

2015-12-21 Thread Laura Abbott
In a similar manner to WRITE_AFTER_FREE, add a READ_AFTER_FREE test to test free poisoning features. Sample output when no poison is present: [ 20.222501] lkdtm: Performing direct entry READ_AFTER_FREE [ 20.226163] lkdtm: Freed val: 12345678 with poison: [ 24.203748] lkdtm: Performing dir