Brad House comments

Results 249 comments of


                                            Brad House

KVM memballooning requires free page reporting and autodeflate

Ok, I have a custom built 4.22 with this PR installed in my test environment. virsh dumpxml of a running vm shows: ``` ``` And in turn the generated qemu...

KVM memballooning requires free page reporting and autodeflate

Well, honestly the first test was enough to convince me it is working well: Fresh VM (wihtin VM): ``` root@test1:~# free total used free shared buff/cache available Mem: 16369284 617328...

Punycode implementation and fix for Windows search suffixes that may need it

> I'd feel better with a more extensive test suite. This kind of parsing is always tricky to get right in C, especially at the edge cases. Things like maximum...

A crafted resolver configuration drives c-ares into unbounded mutual recursion between ares_requeue_query() and ares_send_query(), ultimately causing a stack overflow (ASan: stack-overflow).

Hmm, I cannot reproduce with your test case (at least on macos with llvm 18.1.8). That said, we have a security release in preparation that likely resolves this issue as...

A crafted resolver configuration drives c-ares into unbounded mutual recursion between ares_requeue_query() and ares_send_query(), ultimately causing a stack overflow (ASan: stack-overflow).

i did run under asan but on macos. Like I said, I'm pretty sure this is fixed on our end due to an upcoming security release, the commit isn't "public"...

A crafted resolver configuration drives c-ares into unbounded mutual recursion between ares_requeue_query() and ares_send_query(), ultimately causing a stack overflow (ASan: stack-overflow).

Can you verify this is fixed in 1.34.6?

A crafted resolver configuration drives c-ares into unbounded mutual recursion between ares_requeue_query() and ares_send_query(), ultimately causing a stack overflow (ASan: stack-overflow).

ok, I'll see if I can try it on ubuntu since macos doesn't exhibit this behavior

Degraded cloudstack agent

I wonder if this is the same issue I've been struggling with. That said, it seems at least in my case just restarting the agent isn't always enough, something gets...

Degraded cloudstack agent

@TadiosAbebe my environment matches yours .... ubuntu 24.04, hypercoverged ceph. And the reported behavior also matches. That said, using the force reconnect never did work for me as a resolution....