On Tue, Mar 05, 2019 at 08:34:50AM +0000, Omer Shpigelman wrote: > From: Dan Carpenter <dan.carpen...@oracle.com> > Sent: Tuesday, 5 March 2019 8:40 > > Hello Omer Shpigelman, > > > > The patch 0feaf86d4e69: "habanalabs: add virtual memory and MMU > > modules" from Feb 16, 2019, leads to the following static checker > > warning: > > > > drivers/misc/habanalabs/memory.c:96 alloc_device_memory() > > warn: integer overflows '(args->alloc.mem_size + (page_size - 1)) >> > > page_shift' > > > > You are correct, we'll send a fix shortly. > BTW which static checker did you use? we use Sparse and Smatch and they > didn't catch that.
It's not released because it's pretty rubbish. Checking for integer overflows is hard. And then when you find a real integer overflow, it can can be deliberate and/or harmless. regards, dan carpenter _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
