On Saturday 15 October 2011 12:32:52 Anatolij Gustschin wrote: > If compressed data is located in sectors at the end of the flash and > it's offset + input stream size > 0xFFFFFFFF, the uncompressing time > is very long, since processing of the stream is done bytewise (and > not blockwise) due to overflow in inflate_fast() while calculation > and checking for enough input available. > > Check for this overflow condition and limit the available stream > input size to the actually max. possible input size. This fixes > the problem. > > The issue is easily reproduceable by placing a gziped bitmap in flash, > e.g. at FFF80000, and running 'bmp' commands like 'bmp info FFF80000' > or 'bmp display FFF80000'. The uncompressing can take up to 3 sec. > whereas it should normaly take a fraction of a second. If the > 'splashimage' environment variable points to this address, the > booting time also increases significantly.
can we send this to the upstream zlib project if it isn't there already and get feedback from them ? -mike
signature.asc
Description: This is a digitally signed message part.
_______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
