[Coverity CID :218733] Explicit null dereferenced in tests/ztest/error_hook/src/main.c

[zephyrbot]

Static code scan issues found in file:

https://github.com/zephyrproject-rtos/zephyr/tree/fe7c2efca800a0cf1bccf23aefe08b3c4beb88bf/tests/ztest/error_hook/src/main.c#L68

Category: Null pointer dereferences
Function: trigger_fault_access
Component: Tests
CID: 218733

Details:

62         /* For most arch which support userspace, derefencing NULL
63          * pointer will be caught by exception.
64          */
65         void *a = (void *)NULL;
66     #endif
67         /* access a illeagal address */
>>>     CID 218733:  Null pointer dereferences  (FORWARD_NULL)
>>>     Dereferencing null pointer "a".
68         volatile int b = *((int *)a);
69    
70         printk("b is %d\n", b);
71     }
72    
73     static void trigger_fault_divide_zero(void)

Please fix or provide comments in coverity using the link:

https://scan9.coverity.com/reports.htm#v32951/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.

[nashif]

intentional, closed in coverity