Xiaosen,
> signed integer overflow happened in the following multiplication,
> ext_cyl*(end_head+1)*end_sector = 0x41040*(0xff+1)*0x3f = 0xffffc000,
> the overflow was caught by UBSAN and caused crash to the system,
> use unsigned int instead of signed int to avoid integer overflow.
This patch is against a very old kernel. Please see commit a10183d744fb
("scsi: simplify scsi_partsize") which was merged back in 2020.
--
Martin K. Petersen Oracle Linux Engineering
