pussuw commented on issue #8917: URL: https://github.com/apache/nuttx/issues/8917#issuecomment-1490218854
Unfortunately I found another location where tcb->waitobj is accessed from the wrong context (happens when a user process is running and `ps` is executed from the terminal): https://github.com/apache/nuttx/blob/f4683713327aaeab0656e3ea83814b44267bdc4a/sched/sched/sched_get_stateinfo.c#L81-L103 This could be kludged together by creating a getter function for the sem_t object, which would make a copy of it into kernel addressable memory (e.g. a stack variable inside that function). Read only access could then be performed on that. Sound like a dirty workaround to me... I did one kludge fix, I'm wondering if this is going to be a recursive set of kludges.. Resolving the kernel addressable virtual address for waitobj might be a safer option still. I'll need to think for a moment how this can be achieved. Walking the page directory in one option, and this support needs to be implemented for each platform that supports MMU. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@nuttx.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
