On Tuesday, February 06, 2018 06:04:24 PM Gustavo A. R. Silva wrote: > Cast _pitch_ to u64 in order to give the compiler complete information > about the proper arithmetic to use. Notice that this variable is > being used in a context that expects an expression of type u64 > (64 bits, unsigned). > > The expression pitch * var->yres_virtual is currently being evaluated > using 32-bit arithmetic and the result of the operation is being stored > into variable mem, which is a variable of type u64. Based on that, > chances are there is a potential integer overflow as a result of the > operation. > > Addresses-Coverity-ID: 200655 ("Unintentional integer overflow") > Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com>
Patch queued for 4.17, thanks. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics