[Coverity CID :197604]Memory - corruptions in /tests/kernel/mem_protect/userspace/src/main.c

[aasthagr]

Static code scan issues seen in File: /tests/kernel/mem_protect/userspace/src/main.c
Category: Memory - corruptions
Function: stack_buffer_scenarios
Component: Tests
CID: 197604
Please fix or provide comments to square it off in coverity in the link: https://scan9.coverity.com/reports.htm#v32951/p12996

[aasthagr]

*** CID 197604: Memory - corruptions (ARRAY_VS_SINGLETON)
/tests/kernel/mem_protect/userspace/src/main.c: 991 in stack_buffer_scenarios()
985 * the stack pointer.
986 *
987 * First test does direct read & write starting at the estimated
988 * stack pointer up to the highest addresses in the buffer
989 */
990 stack_ptr = &val;

CID 197604:  Memory - corruptions  (ARRAY_VS_SINGLETON)
Using "pos" as an array.  This might corrupt or misinterpret adjacent memory locations.

991 for (pos = stack_ptr; pos < stack_end; pos++) {
992 /* pos is volatile so this doesn't get optimized out */
993 val = *pos;
994 *pos = val;
995 }
996

[andrewboie]

this is a false positive, I dismissed in Coverity