prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000001b00))
r0 = gettid()
r1 = getpgrp(0x0)
kcmp(r1, r0, 0x5, 0xffffffffffffffff, 0xffffffffffffffff)