Hi, Dave, Daisuke. > OK, mystery solved. > … > Regardless, I fixed the patch to be based upon the kernel version, and queued > it for crash-7.1.2: > > https://github.com/crash-utility/crash/commit/e81db08bc69fb1a7a7e48f892c2038d992a71f6d Thanks for looking into it, now it makes more sense to me. > Probably it should just set addr_d = addr - amount, but that's what the code effectively > does now (by mistake), so I'm just going to leave this alone. Would you, maybe, still prefer modifying it to addr_d = addr - amount anyway to avoid both compiler and code reviewer confusion in the future please? > It's pretty much impossible to have a pml without its PAGE_PRESENT bit set, > so it's been a benign bug. But the fix is incorrect. They should be: > > if (!(*pml4 & _PAGE_PRESENT)) Thanks for the explanation. Would you still prefer changing it to a proper expression since original one is confusing (NOT is evaluated before &)? > Oleksandr, this looks good to me. > Thanks for your patch. Thank you for looking into it. Dave, would you prefer applying this patch directly now? Also, I'd still like to get a response regarding other patches in the series once you have some time. Thanks! -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility
