On Tue, Jan 28, 2025 at 01:37:06AM +0100, Florian Westphal wrote: > Sunny73Cr <Sunny73Cr@xxxxxxxxxxxxxx> wrote: > > > Please elaborate as what is wrong here in listing 3. > > > > Within the second line of the rule (@ih,80,16 set @ih,80,16 & 0x3f0 \) > > > > The mask 0x3f0 equates to 1,008 in decimal. > > (3 * 16**2) + (15 * 16**1) + (0 * 16^0) = 1,008 > > Here '**' indicates exponent. > > > > 1,008 is far larger than the 34 bit range that I covered. > > Sigh. Why did you not say something like: > > The mask is provided as '0x3f0' in the listing, but I had expected > 0xfc0f, as only 6 bits should be cleared, but the mask KEEPS 6 bits. > > It would have saved me a headache figuring out bug you refer to. > I am not a mind reader :-/ > > Use --debug=netlink, it looks like its a display bug. > > I'll have a look. It looks like netlink_delinearize is missing code to compact the expression.
