prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000000000))
r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/keys\x00', 0x0, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
sendfile(r1, r0, 0x0, 0x0)