[Coverity CID: 222151] Negative array index write in tests/subsys/logging/log_msg2/src/main.c

[zephyrbot]

Static code scan issues found in file:

https://github.com/zephyrproject-rtos/zephyr/tree/0622bde3bf22926544c1aaef4c01dfa23d79f26e/tests/subsys/logging/log_msg2/src/main.c

Category: Memory - corruptions
Function: basic_validate
Component: Tests
CID: 222151

Details:

zephyr/tests/subsys/logging/log_msg2/src/main.c

Line 111 in 0622bde

buf[rv] = '\0';

Please fix or provide comments in coverity using the link:

https://scan9.coverity.com/reports.htm#v29271/p12996.

Note: This issue was created automatically. Priority was set based on classification
of the file affected and the impact field in coverity. Assignees were set using the CODEOWNERS file.