prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000000000))
r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
pread64(r0, 0x0, 0x0, 0x0)