Handling argc==0 in the kernel [LWN.net]

Handling argc==0 in the kernel

Posted Feb 4, 2022 16:48 UTC (Fri) by sbaugh (guest, #103291)
In reply to: Handling argc==0 in the kernel by dskoll
Parent article: Handling argc==0 in the kernel

>The first argument to execve() is the pathname being executed; that could be placed as argv[0].

Not when using execveat(fd, "", ..., AT_EMPTY_PATH)

Handling argc==0 in the kernel

Posted Feb 5, 2022 1:14 UTC (Sat) by mchapman (subscriber, #66589) [Link]

What is the process name -- as returned by prctl(PR_GET_NAME) -- when you do that? It seems like whatever it chooses would be an appropriate thing to default argv[0] to.