On Tue, Jan 06, 2026 at 10:31:29AM +0000, Alexandr Semenikhin wrote: > This patch changes how the maximum socket count is calculated. > > On some systems (e.g. GB200), physical_package_id values are not > contiguous or zero-based. Instead of 0..N, they may contain large > arbitrary identifiers (e.g. 256123234). The previous implementation > assumed a 0..N range and used the maximum ID value directly. > > This caused: > excessive memory allocation > extremely large loop bounds > OOM / DoS scenarios > unnecessary CPU time consumption > > The new implementation computes the socket count as the number of unique > package IDs present on the node, rather than relying on the maximum numeric > value. > > Signed-off-by: Alexandr Semenikhin <[email protected]> > --- > src/util/virhostcpu.c | 32 +++++++++++++++++++++++++++++--- > 1 file changed, 29 insertions(+), 3 deletions(-)
Reviewed-by: Daniel P. Berrangé <[email protected]> and pushed. With regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
